Nestjs jobs

I’m building a scalable web app (PWA) that includes: - Stripe payment integration (webhooks) - Automatic generation of unique codes after purchase - User access system (token-based) - Audio streaming (audiobook) - Secure PDF delivery (premium only) - Album streaming (premium only) - Raffle system with user codes Requirements: - Strong experience with Node.js (Express or NestJS) - Experience with Stripe webhooks () - Experience building scalable systems (10k+ concurrent users) - Knowledge of queues / async processing (SQS, Redis, RabbitMQ) - PostgreSQL database design - AWS experience (S3, EC2 or Lambda) - Ability to build secure access control (token / signed URLs) Nice to have: - Experience with PWA () - Experience with media streaming - Experience with

FinancialControl MVP. A private web app for the Owner to upload bank CSV statements, classify transactions, run 7 rules with monthly aggregation plus a scheduled daily check, and chat with a strictly read-only AI Advisor. Stack: NestJS + + Postgres + OpenAI. Single Owner login, JWT + 2FA. Lean by design: simple functions per rule, plain cron, entity_id scoping. No rule engine, no embeddings, no agentic loops. 10 milestones, $2,500 total: M1 Kickoff + skeleton ($150) M2 Auth + 2FA + schema ($250) M3 Entities + Loans ($250) M4 CSV ingestion ($300) M5 Classification ($300) M6 Rules 1-4 + scheduler ($300) M7 Rules 5-7 + alerts ($300) M8 Dashboard ($150) M9 AI Advisor + audit log ($250) M10 Polish + Loom handoff ($250) Each milestone has a concrete pass condition (see scope-agreement

Job Overview: We are seeking a highly skilled Senior ERP Developer with 5+ years of experience to design and build robust, scalable ERP solutions tailored for the manufacturing industry. The ideal candidate will have strong expertise in modern web technologies including React.js, Node.js, and NestJS, along with hands-on experience in both relational (SQL) and NoSQL (MongoDB) databases. In this role, you will be responsible for developing and enhancing ERP modules, contributing to system architecture, and ensuring high performance and reliability of applications. You will work closely with cross-functional teams to translate business requirements into technical solutions, with a strong focus on manufacturing workflows and enterprise-grade systems. Experience with cloud platforms such...

...Build scalable backend integrations with PostgreSQL • Integrate and deploy applications using AWS infrastructure • Write clean, maintainable, and well-documented code • Collaborate with product managers, designers, and backend engineers • Optimise application performance and ensure responsiveness • Participate in code reviews and technical planning Required Skills • Strong experience with NestJs and React • Solid understanding of PostgreSQL • Experience deploying and managing applications on AWS • Understanding of REST APIs and modern web architecture • Familiarity with Git and CI/CD workflows • Strong problem-solving and debugging skills Nice to Have • Experience working on SaaS platforms • Knowledge...

We are seeking an experienced backend developer to finalize and stabilize an existing yacht/catamaran booking platform for its upcoming launch. The platform is already built with a modern tech stack and requires critical payment integration and system Technology Stack:Frontend: : NestJSDatabase: PostgreSQLCompleted Modules:Admin dashboardBooking system with availability managementCustomer and trip managementBasic frontend and booking pagesProject Scope - Key Deliverables:Stripe Payment Integration: Implement comprehensive Stripe integration, including creating payment intents, managing deposit and full payment logic, and setting up Confirmation: Develop robust webhook handling to confirm successful payments and update booking statuses Integrity: Implement logic to prevent duplicate book...

...DOCUMENTATION (10%) Maintain the "Master Blueprint" - architecture diagram, data flow, API specs Document all integration points Create deployment runbooks Write setup guides for future developers Ensure system is audit-ready for institutional partners TECHNICAL REQUIREMENTS MANDATORY SKILLS (The "Generalist" Mastery): Expert-level React (TypeScript) - 4+ years Expert-level Node.js (NestJS/Express) - 4+ years Expert-level Python (FastAPI) - 3+ years PostgreSQL or MongoDB - Advanced proficiency REST API design and implementation Docker and Kubernetes (basic to intermediate) Git and CI/CD pipelines Linux server administration Strong English communication NON-NEGOTIABLE REQUIREMENT: Fintech Experience: Previous work with payment gateways, re...

...framework involved, and I’m ready to move the entire codebase over to Node.js and React.js. The rewrite must cover Both Frontend and Backend so the finished product behaves exactly like the current site from a user’s point of view. Your role is to rebuild every feature, route, and page in Node.js, preserving the existing MySQL schema and overall look-and-feel. I’m open to your preferred stack—Express, NestJS, , or another mainstream option—as long as it is well supported and future-proof. If you think the UI is better served as a modern SPA, propose it, but identical functionality is non-negotiable. Deliverables • Complete Node.js codebase mirroring current core-PHP functionality • Converted frontend templates/assets or a comparable SPA...

... Key Features: * Modern UI built with (fast, SEO-friendly, responsive) * Dynamic food and restaurant listings * Shopping cart functionality * Clean and user-friendly design * Optimized performance and routing Backend Capabilities (can be included or customized): * REST API built with Node.js / Express or NestJS * User authentication (JWT-based login/signup) * Order management system * Database integration (MongoDB or PostgreSQL) * Payment integration (Stripe or similar) What I Offer: * Full-stack development (frontend + backend) * Custom feature development based on client needs * Clean, maintainable, and scalable code * Deployment support (Vercel, cloud platforms) Use Cases: * Food delivery startups

We are looking for an experienced developer or team who has already developed a betting / gaming platform backend. We do not want to build from scratch. Preference will be given to candidates who already have a working system (demo or codebase). Our requirement is limited to: Admin...game settings / odds configuration Backend APIs for: authentication user management wallet & transactions deposits & withdrawals game activity Database design and setup IMPORTANT Must have prior experience building betting / gaming platforms Must be able to share demo / screenshots / references Preference for candidates with ready or partially ready systems TECH (flexible) Laravel / Node.js / NestJS MySQL / PostgreSQL NOTE: We are on a tight timeline, so ready solutions or prior work is...

...e-commerce project in active development and need an experienced backend engineer to build, develop, and maintain the server-side application using JavaScript, TypeScript, Node.js, and, above all, NestJS. PostgreSQL is the chosen database, so every module you create should interact with it efficiently and securely. Your first task is to establish a clean, scalable NestJS architecture, then extend it with the essential e-commerce features—authentication, product catalogue endpoints, shopping cart and order workflows, plus a role-based layer to separate admin, vendor, and customer access. Deliverables: • NestJS project scaffold wired to PostgreSQL • Auth module with JWT/refresh-token flow • CRUD endpoints for products and orders • Ass...

...(no complex AI interaction required) ________________________________________ Technical Approach The system will be designed as a zero-touch accounting workflow, minimizing manual intervention. Core Capabilities • Automated document understanding • Real-time financial reconciliation • Scalable and secure processing • High accuracy accounting automation Technology Stack • Backend: Node.js (NestJS) • OCR + AI: OpenClaude pipeline • Database: PostgreSQL / MySQL • Queue / Worker: Redis + Celery or BullMQ • Storage: S3-compatible (MinIO) • Frontend: React dashboard • Deployment: Docker Compose • Integration: TAXflow App ________________________________________ Expected Outcome A fully automated, scalable, and aud...

...EXEC are separate states. • Devices can report executed pulses. • No physical bay-running confirmation exists in V1; only logical session/device execution status is available. • OTA remote execution is supported. • Local device logs exist. • No real offline local fallback is available in V1 when internet is down. Required Skills • React / or equivalent modern frontend stack. • Node.js / NestJS / Express or equivalent backend stack. • PostgreSQL or equivalent relational database. • MQTT / Mosquitto integration. • RBAC, secure authentication, audit logs, wallet/payment flows. • Responsive web apps, admin dashboards, staging/production deployment. • Strong advantage: prior IoT or embedded-integrated platform experience. ...

...generate deep-links of product links from popular sites like flipkart, amazon, myntra etc. Additional requirements- • Instagram Graph API integration • Keyword rule engine • Rate limit handling Preferred Tech Stack - Although we're open to other options, but here's the tech stack we would prefer to use- • Frontend (Web): React + • Mobile: React Native / Flutter • Backend: Node.js + NestJS • Database: PostgreSQL (AWS RDS) • Cache: Redis (AWS ElastiCache) • Storage: AWS S3 • Hosting: AWS ECS/EC2 with auto-scaling • Payments: Razorpay / Stripe • Monitoring: Datadog / NewRelic Deliverables • Web Dashboard (React + ) • Meta API secure integration • Subscription Billing • Analytics &...

...large monolithic systems) that follow a clear architecture and strict coding conventions. Each application is developed according to a detailed specification document — an example spec will be provided so you can understand the expected level of structure and clarity before starting. The role involves: - Implementing frontend features (Nuxt / modern Vue-based stack) - Developing backend logic (NestJS / GraphQL) - Respecting an existing shared domain model - Following our architectural and naming conventions carefully - Writing clean, maintainable, well-structured code We value clarity, rigor, and consistency in architecture. If you enjoy structured environments and modular system design, this role will suit you well. Deliverables Implement frontend, backend, and componen...

...DOCUMENTATION (10%) Maintain the "Master Blueprint" - architecture diagram, data flow, API specs Document all integration points Create deployment runbooks Write setup guides for future developers Ensure system is audit-ready for institutional partners TECHNICAL REQUIREMENTS MANDATORY SKILLS (The "Generalist" Mastery): Expert-level React (TypeScript) - 4+ years Expert-level Node.js (NestJS/Express) - 4+ years Expert-level Python (FastAPI) - 3+ years PostgreSQL or MongoDB - Advanced proficiency REST API design and implementation Docker and Kubernetes (basic to intermediate) Git and CI/CD pipelines Linux server administration Strong English communication NON-NEGOTIABLE REQUIREMENT: Fintech Experience: Previous work with payment gateways, re...

...Easy order process * SEO settings for pages * Blog/resource management * Support/contact form * Scalable architecture for future expansion **Performance / Quality Expectations:** This website must be: * super fast * premium looking * trustworthy * secure * scalable * very well coded * easy to maintain I prefer modern custom stacks such as: * / for frontend * Laravel / Node.js / NestJS for backend * MySQL or PostgreSQL * Custom admin panel I do **not** want bloated low-quality work or generic template results. **Important:** Do not copy Buzzoid exactly. I want an original website inspired by their business model and features, but with a much better look, feel, and performance. **Deliverables:** * full source code * frontend + backend * admin panel * database setup * depl...

...online travel agency platform that lets customers search, bundle and pay for flights, car rentals and hotel bookings in a single, streamlined cart. A secure user-login area is required so travellers can retrieve itineraries, modify dates and download invoices at any time. Frontend: Responsive Web App () + Mobile Apps (React Native)+ React.js (Web) + Flutter (Android/iOS) Backend: Node.js (NestJS) with modular/microservices design Database: PostgreSQL + Redis (for caching search results) APIs: REST/GraphQL, modular supplier connectors wire frames of all screens we already have . Core Features Unified search, bundling & cart (flights, hotels, cars, packages ) Secure login + user dashboard (itineraries, edits, invoices) Agent portal (markup control, client lists, re-quotes) A...

...for server-side rendering, and NestJS powering the back end. The codebase is mature but evolving quickly, so a robust, living test strategy is essential to keep releases stable and fast. You will start by reviewing the current architecture and delivery pipeline, then propose a practical test plan that balances automated coverage and exploratory testing. From there, I expect you to implement the plan, integrate automated suites into CI/CD (we use GitHub Actions), and surface clear, actionable reports after every run so developers can fix issues early. Key areas to cover • Functional correctness across critical user journeys • Cross-browser and responsive behaviour on desktop, tablet, and mobile breakpoints • API contract validation between and NestJS...

I need a self-sufficient full-stack developer who can take ownership of an end-to-end web application built with React.js on the client, rendered server-side through , and powered by a NestJS API. Your first objective is to set up a robust, well-structured codebase that follows modern best practices—typed components, clear folder architecture, and sensible testing coverage—so future features can be added without friction. After the initial build, I’ll rely on you to keep the code clean, deal with performance optimisations, and introduce new functionality as requirements evolve. I value readable TypeScript, meaningful commit messages, and a mindset that treats maintainability as a feature in itself. Guidance on database selection, authentication flows, and CI/CD to...

...built with React.js on the client, rendered through , and powered by a NestJS API. The goal is to ship an initial production-ready version and then continue iterating on new features and maintenance. You will design the project structure, implement the full component and API layer, wire up server-side rendering, and set up testing and CI so the codebase stays clean and easy to extend. We can decide together on authentication, database choice, and any role-based access once you are on board; for now I just need someone comfortable making those architectural calls and justifying them. Deliverables I expect for the first milestone: • A running app skeleton with sample pages rendered through • A NestJS backend with at least one example CRUD endpoint •...

... updating, searching, and securely storing patient data while respecting common compliance guidelines (HIPAA-style encryption at rest and in transit, access logging, role-based permissions). You’ll design the database schema, expose well-documented REST (or GraphQL if you prefer) endpoints, and connect them to React components you build yourself. I’m open to your choice of frameworks—Express, NestJS, , or similar—so long as you can demonstrate scalability and test coverage. Core deliverables • Database schema and migration scripts • Secure API endpoints with unit & integration tests • React pages/components that consume those endpoints • Brief setup documentation so I can run everything locally and in staging Future phases ...

...Tailwind CSS, Shadcn/UI, Zustand, TanStack Query, React Hook Form + Zod, FullCalendar, Recharts, Vitest + Playwright Frontend Móvil: Flutter 3.x (Dart), Riverpod 2.x, GoRouter, Firebase FCM + APNs Backend: NestJS 10+, TypeScript estricto, Prisma 5+, PostgreSQL 16, Redis 7 + BullMQ, AWS S3, JWT + OAuth2 (Google + Instagram), SendGrid, pasarela de pagos Wompi Panamá, Jest + Supertest, Swagger/OpenAPI Infraestructura: Docker + Docker Compose (desarrollo), ambientes staging y producción, GitHub Actions CI/CD, Terraform, monitoreo con Sentry --- ALCANCE DEL TRABAJO — MVP (FASE 1) Backend API (NestJS) - Auth completo: email/contraseña, Google OAuth, Instagram OAuth, refresh tokens, verificación de email - Motor de disponibilidad: c&...

We’re building a data-heavy SEO SaaS platform (keyword research, SERP analysis, content generation, and LLM insights). We’re looking for a senior full-stack engineer who can own architecture and execution end-to-end. Tech Stack (must be comfortable with): - Frontend: (React, TypeScript) - Backend: NestJS (Fastify) - Database: PostgreSQL - Cache/Queues: Redis - Analytics: ClickHouse - AI/Data: Python (microservices for NLP, content generation, clustering) - Infrastructure: Docker (self-hosted, no Vercel dependency) What you’ll do: - Build and ship core product features (dashboard, keyword tools, content editor) - Design scalable APIs and async job pipelines (crawl, analyze, generate) - Architect data flows across Postgres, Redis, and ClickHouse - Integrate LLM wo...

Project Overview: We are experiencing recurring runtime crashes in a production system built with NestJS (backend) and React/ (frontend), deployed on AWS ECS (Fargate). The application includes modules for leads, quotes, vendors, tasks, and notifications. The system deploys successfully but fails shortly after startup due to runtime errors, causing ECS deployments to stop via circuit breaker. Current Issues: Backend Crash (Primary Issue) Error: TypeError: Cannot read properties of null (reading 'email') Occurs inside scheduled jobs (Cron / Scheduler) Likely caused by unsafe access to .email in notification/reminder services Affects: task-notification service email sending logic (SendGrid) scheduled reminder jobs Frontend Crash (Secondary Issue) Error: Cannot read proper...

I’m ready to bring on a staff-level software engineer who can own the technical direction of our core platform and make it scale confidently as our user base grows. Today the stack is React.js + on the front end, with a NestJS service layer behind it; we need someone who can look at that holistically, spot the weak points, and turn the entire system into something that easily supports many more concurrent users without compromising speed or reliability. Here’s what I expect you to drive once you come on board: • Set the high-level architecture that lets us add 10× the current traffic. • Build and document patterns for horizontal scaling, performant data access, and sensible front-end code splitting. • Pair with engineers across teams to mentor...

...data Map pipeline stages → production metrics Sync data regularly (cron or webhook) 6. Authentication & Roles Admin Manager Agent Restrict data visibility based on role 7. Reporting Date filtering (AEP, OEP, custom) Downloadable reports KPI snapshots TECH STACK (Preferred) Frontend: Vue 3 (already partially built) Vite Tailwind or clean CSS / ApexCharts Backend: Node.js (Express or NestJS) OR serverless (Vercel / Firebase) Database: PostgreSQL (preferred) OR Firebase / Supabase Integrations: GoHighLevel API CSV imports (carriers if needed) IMPORTANT TECH REQUIREMENTS Clean, modular architecture (component-based) API abstraction layer Scalable for future SaaS version Secure handling of API keys (NO frontend exposure) Ability to expand features later DELIVERABLES...

...________________________________________ 1. SYSTEM OVERVIEW Mobile App / Web App ↓ Backend API Server ↓ PostgreSQL Database ↓ Image Storage (Bucket) • Single backend (no microservices) • Clean, low-cost, scalable base ________________________________________ 2. TECH STACK Frontend • Mobile App: Flutter or React Native • Web: React Backend • Node.js (Express or NestJS) Database • PostgreSQL Storage • Cloud Storage (images) Hosting • Google Cloud Platform CDN • Cloudflare ________________________________________ 3. CORE LOGIC (IMPORTANT) Marketplace Toggle (MAIN FEATURE) At top of app: [ Brand New ] [ Second Hand ] Behavior: • Brand New → show vendor pro...

...that) * Inspection Module: "Audit-ready" packs including employee registries and leave records. * Multi-Currency & Language: Support for USD/CDF and English/French interfaces. Technical Stack Preferences: We are open to your professional recommendation, but our initial architectural vision includes: * Frontend: , React, PHP, or Angular (Responsive Web). * Backend: Laravel, Spring Boot, or NestJS. * Database: PostgreSQL or MySQL with Redis for caching. * Infrastructure: AWS or Azure using Docker/Kubernetes. Developer Requirements: * Proven experience building SaaS/Multi-tenant applications. * Strong understanding of Relational Database Design (ERDs provided in PRD). * Experience with Fintech/Payroll integrations and automated document generation. * Ability to im...

...This should power the website and desktop portal. Why: fast SEO-friendly scalable perfect for web dashboards and landing pages Mobile App If your app is already built, keep the current framework unless it’s a mess. If starting fresh, I’d lean: React Native because it stays in the JS ecosystem and makes web/app alignment easier. Backend Best options: Option A — Best overall Node.js + NestJS This is what I’d recommend for BINS APP if you want a serious backend. Why: structured scalable good for APIs better than a messy plain Express app Option B — Simpler Node.js + Express Good, but only if the dev is disciplined. Otherwise it gets sloppy fast. Database PostgreSQL Not MySQL if you can avoid it. Why: stronger for complex platfor...

... Commission system Example: Store sells product ₹100 Admin commission = 10% Store receives = ₹90 --- Analytics Track: daily revenue order volume top areas delivery time --- 8. Technical Architecture Keep architecture simple but scalable. Mobile Apps Recommended: Flutter Advantages: Android + iOS same code cheaper development --- Backend Recommended stack: Node.js + NestJS Structure: API Gateway | User Service Order Service Product Service Delivery Service Payment Service Notification Service --- Database Use: PostgreSQL Tables: users addresses products categories stores orders order_items riders deliveries payments --- Caching Use: Redis Purpose: faster product loading session storage --- Cloud Affordable options: AWS / DigitalO...

...Business logic vulnerability testing OWASP Top 10 vulnerability assessment Manual + automated penetration testing Deliverables: Detailed VAPT Report (with risk levels: Low, Medium, High, Critical) Proof of Concept (PoC) for identified vulnerabilities Clear remediation steps to fix issues Optional re-testing after fixes (if required) Technical Details: Platform: Web Application Backend: NestJS (Node.js) Frontend: (Specify if Angular / React / etc.) Hosting: VPS Server Access: Will be provided (Staging/Production as required) Attachments: Application screenshots (for scope understanding) Timeline: Expected completion within 5–10 working days (flexible) Requirements: Proven experience in VAPT / Ethical Hacking Strong knowledge of OWASP Top 10 Experience wi...

... Commission system Example: Store sells product ₹100 Admin commission = 10% Store receives = ₹90 --- Analytics Track: daily revenue order volume top areas delivery time --- 8. Technical Architecture Keep architecture simple but scalable. Mobile Apps Recommended: Flutter Advantages: Android + iOS same code cheaper development --- Backend Recommended stack: Node.js + NestJS Structure: API Gateway | User Service Order Service Product Service Delivery Service Payment Service Notification Service --- Database Use: PostgreSQL Tables: users addresses products categories stores orders order_items riders deliveries payments --- Caching Use: Redis Purpose: faster product loading session storage --- Cloud Affordable options: AWS / DigitalO...

...Track rewards 3. Cashback System Logic Cashback calculated from base premium Reward remains LOCKED during policy Unlocks only if: policy completes no claim is made Disqualifiers: claim paid policy cancelled 4. Admin Dashboard Admin must be able to: View all users View policies Track cashback liabilities Approve payouts Monitor commissions Preferred Tech Stack Frontend: Backend: Node.js / NestJS Database: PostgreSQL Hosting: AWS Design Style Clean, modern fintech / insurtech Similar to SaaS dashboards Mobile responsive Colours: Navy, Green, Grey, White Important This must be built as a scalable platform, not a basic template Clean code and structured backend required Must be able to extend into mobile app later Deliverables Fully functional website Working user dashboard Admin pa...

...dashboards using React / Next.js. • Backend Development – Implement APIs, authentication, project workflows, messaging, referral system and analytics services. • Testing & Deployment – Conduct QA testing, fix issues and deploy the platform on the cloud environment. 3. Technologies Components Stack UI/UX Designer Figma Web Frontend React.js / , TypeScript Backend Node.js (Express / NestJS) or FastAPI Database PostgreSQL Automation Layer ● AI-assisted proposal drafting ● Pricing rules engine Authentication JWT (JSON Web Tokens) Infrastructure AWS / GCP / Azure Cloud 5. Third Party Expenses The project budget does not include expenses and third-party tools- Third Party Domain Registration Hosting (AWS and Infrastructure) ₹800 – ₹1500 yea...

The developer must be comfortable working across the full stack: - Web Frontend & Admin Panel - React or (TypeScript + SCSS) - Backend Node.js with NestJS Database RDS / PostgreSQL (via Prisma ORM) Auth & APIs JWT OAuth Third-party APIs Cache & Storage Redis Cloudflare R2 (or S3-compatible storage) DevOps (basic) Docker Deployment CI/CD (YAML configuration) Tasks & Timeline Milestone 1 — Soft Launch Fixes (3 Days) 1. Categories / Sub-Categories API adjustments Frontend updates (Home page, auction listings, onboarding steps) 2. Website Polishing Routing fixes UI improvements Button and form adjustments Field validation Fix login issues Improve website performance (currently heavy) Increase Lighthouse score Optimize API calls 3. Adm...

...for engineers who can design their layer correctly first, then execute against a locked blueprint. I have five open roles. Apply for the one that matches your strongest skillset. THE PLATFORM STACK AWS (VPC, IAM, S3, RDS, ECS/EKS, KMS) · PostgreSQL · Neo4j or Neptune · OpenSearch · FastAPI or NestJS · React / · Airflow or Prefect · Docker · GitHub Actions · Kafka or SQS OPEN ROLES 1 — Backend Engineer (×2) Build the core API layer, service architecture, and data access patterns. FastAPI or NestJS. Must have experience with multi-service architectures and RBAC. Performance targets: search under 1.5 seconds, 500 concurrent users. 2 — Data Engineer Design and build the global data ingestion an...

...installations or complaints using the mobile application. 5. Engineers update service status and submit call closure reports. 6. Managers review service closure and track reports and PM schedules. These workflows follow the sales → installation → service → reporting lifecycle. Technology Preference Implementation should use modern scalable technologies, such as: Backend • Laravel / Node.js / NestJS / Django Frontend • React / / Vue Mobile Apps • Flutter or React Native (single codebase preferred) Database • PostgreSQL or MySQL Infrastructure • Cloud hosting (AWS / DigitalOcean / similar) • Docker-based deployment preferred Project Scope (Phase-1 MVP) Sales Module • Create and manage sales quotations • Update quotat...

Backend performance audit and optimization for the CRM API built with NestJS, TypeORM, MySQL, and Redis.

...installations or complaints using the mobile application. 5. Engineers update service status and submit call closure reports. 6. Managers review service closure and track reports and PM schedules. These workflows follow the sales → installation → service → reporting lifecycle. Technology Preference Implementation should use modern scalable technologies, such as: Backend • Laravel / Node.js / NestJS / Django Frontend • React / / Vue Mobile Apps • Flutter or React Native (single codebase preferred) Database • PostgreSQL or MySQL Infrastructure • Cloud hosting (AWS / DigitalOcean / similar) • Docker-based deployment preferred Project Scope (Phase-1 MVP) Sales Module • Create and manage sales quotations • Update quotat...

Role Overview Build and maintain a fintec...Build multi-level commission engine • Design optimized database schema for high-volume transactions • Implement authentication, OTP login, and security best practices • Deploy applications using cloud infrastructure and CI/CD pipelines Frontend Skills • React.js / or Flutter • HTML, CSS, JavaScript, TypeScript • API integration and responsive UI development Backend Skills • Node.js / NestJS or Java Spring Boot • REST API development and microservices • Payment gateway integration Database & Infrastructure • PostgreSQL / MySQL • Redis caching • Docker, Kubernetes Preferred Experience • payment platform development • Wallet systems and ledger-based accounting &bu...

...notifications Future‑ready for SMS integration 3.6 Admin Panel (Basic) Apptixx internal admin must be able to: Create/edit/delete projects Assign project owners Manage clients Manage lifecycle stages Upload documents 4. Technical Requirements 4.1 Preferred Tech Stack To ensure scalability and future modular expansion, the preferred stack is: Frontend React or TailwindCSS or MUI Backend Node.js (NestJS preferred) REST API (GraphQL optional) Database PostgreSQL Prisma or TypeORM Infrastructure AWS (ECS/Lambda, RDS, S3, CloudFront) OR developer may propose equivalent cloud architecture Authentication Auth0 or AWS Cognito (preferred) JWT-based session management 5. Deliverables (Phase 1) Fully functional client portal Three lifecycle modules (Build, Design, Real Estate) Document hub...

...Non-Functional Requirements (Performance, Scalability, UX) The #1 priority is speed and responsiveness with minimal loading screens and an architecture that can scale to millions of users and heavy navigation/activity. My preferred technical direction (this is the target requirement): * Frontend: (React) + TypeScript , using SSR/SSG/ISR depending on page needs. * Backend: NestJS (Node.js) + TypeScript (or an equivalent high-performance service layer such as Go for critical services), exposing a clean API (REST or GraphQL). * Database: PostgreSQL (optionally PostGIS for geo/nearby queries) + Redis for caching / or / MySQL no problems. * Caching & CDN: CDN (e.g., Cloudflare) + aggressive caching strategy for API and pages, optimized image pipeline...

A multi-tenant SaaS platform combining real-time uptime monitoring, synthetic transaction monitoring across 7 global regions, and a full incident management system with on-call scheduling, escalation, and status pages. TECH STACK: NestJS · React/ · Go (uptime bots) · Node.js + Playwright (synthetic) PostgreSQL + TimescaleDB · Redis + BullMQ · Kubernetes · Docker DELIVERY PLAN: Sprint 1 (Wk 1-2): Multi-tenant DB, Auth, RBAC (5 roles), Workspace API, CI/CD Sprint 2 (Wk 3-4): Go uptime bots, Playwright synthetic monitoring, 7-region K8s deployment, fault-tolerance, data pipeline & dashboards Sprint 3 (Wk 5-6): Incident management, on-call scheduling, escalation (email + push), status page, tenant UI + mobile app, gamificatio...

...React Native, while the backend services are developed using NestJS and AWS cloud infrastructure. The platform was originally built using AWS Lambda (serverless architecture), but due to performance limitations, cold start latency, and stability issues, the application experienced delays in launch readiness. We are now migrating the backend architecture from AWS Lambda to AWS EC2-based services to ensure better performance, reliability, and scalability for production. The project also requires debugging and fixing issues in the existing React Native mobile application, along with improving backend stability and API performance in the NestJS backend. Key Responsibilities • Review the existing React Native mobile application and NestJS backend codebase • Ide...

...and develop backend APIs • Integrate white-label GPS tracking system • Implement real-time bus location ingestion • Develop digital ticketing and fare management system • Integrate payment gateway • Implement data analytics and reporting • Design scalable database architecture • Support high telemetry data ingestion (~2.5M GPS records/day) Technology Stack Preferred experience with: • Node.js (NestJS) or Java Spring Boot • PostgreSQL • Redis • Kafka or MQTT • REST APIs • WebSockets • Cloud deployment (AWS / Azure / DigitalOcean) Nice to Have • Experience with transport systems • Experience with IoT or GPS telemetry • Payment gateway integration • High-scale backend systems Project Durati...

...Title: Senior Full-Stack Developer Needed – NestJS + React/TypeScript Fuel Levy Pricing Engine for Rideshare Platform Job Description: I am looking for a highly skilled full-stack developer to build the first production-ready version of a vehicle-specific fuel levy / energy levy pricing engine for my rideshare platform based in Queensland, Australia. This system must be designed as a secure backend-driven pricing engine, where the commercial logic remains private on the server and is not exposed to the browser. The purpose of the system is to calculate a fair trip-based fuel or energy levy using approved vehicle data and live/local fuel pricing inputs, with support for petrol, diesel, hybrid, and EV vehicles. The backend must be built using Node.js, NestJS, TypeScri...

...deliver high-quality features. Write clean, maintainable, and well-documented code. Participate in code reviews, testing, and CI/CD workflows. Troubleshoot, optimize, and improve application performance and reliability. Tech Stack (Experience with some — not necessarily all — of the following is expected.) Frontend: React React Native HTML5, CSS3 JavaScript / TypeScript Backend: Node.js (NestJS or Express) REST and/or GraphQL APIs Database: PostgreSQL (or other relational databases) ORM tools (Prisma, Sequelize, TypeORM, etc.) DevOps & Tools: Git & GitHub CI/CD pipelines Cloud platforms (AWS, GCP, or Azure) What We’re Looking For: - 3+ years of professional experience as a Full Stack Software Engineer. - Strong proficiency in JavaScript/TypeScrip...

I already have a production-ready library management platform running on a front end with a NestJS API, containerised with Docker and deployed on AWS (files are stored on S3). The missing piece is a compact student-tracking module that: • scans a student’s unique QR code on entry and exit • records the exact timestamps, the library section they visit, and calculates total duration of stay • appears seamlessly inside the current interface (no separate UI) The work involves adding the relevant pages/components in , extending the NestJS services and database schema, wiring in any AWS resources you need, and shipping the whole thing with full Jest unit/integration tests. Code quality must match the existing clean, typed, linted codebase; every new co...

I’m putting together a full-stack user management system built on NestJS for the backend and React for the frontend. The core functions are already defined; what I need is an experienced full-stack developer to bring them to life in a clean, scalable codebase. Scope of work • Secure authentication: register, login, forgotten-password flow, all powered by JWT. • Role-based access control with two roles—Super Admin and User. • Super Admin dashboard to list, create, update and delete users, as well as assign roles. • User dashboard where end-users can manage their profile, change their password, tweak account settings and trigger email-based password resets. • Robust validation and guards on every exposed API route. • PostgreSQL is...

Agwa Travel OS — MVP Development (Architecture‑First Build) Agwa Travel OS is a unified travel platform built on a modern, cloud‑ready stack: Node.js + NestJS services, React/ front end, PostgreSQL, Redis, and ElasticSearch running on AWS. The technical architecture, module boundaries, API contracts, and phased milestone plan are already fully documented. What I need now is a disciplined, architecture‑first development team that can execute cleanly and stay with the product long term. Scope of the MVP The first release focuses on delivering the complete core travel flow across multiple verticals: 1. Search → Book → Pay Users must be able to: Search flights, hotels, cars, and experiences View real‑time availability and pricing Complete booking and checkout using ...