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Backend Dev Needed for PaidFamily Platform – API & Real-Time Integration Hi, I’m looking for an experienced backend developer to integrate APIs and real-time features for my platform. All UI templates (HTML/CSS/JS) are fully built and ready. Your role will be to handle backend development, integrations, and making the system fully functional. ⸻ Key Features Needing Implementation 1. Call / Communication System (Most Critical) * Outbound call creation via provider (Twilio / Plivo / similar) * Caller ID configuration using custom caller ID spoofing and real-time call control features * Real-time call control (answer, hangup, DTMF input handling) * Multi-language voice support (TTS integration) * Call recording storage & retrieval * Call flow / verification workflows (menu-based, user input, etc.) * Optional SMS integration (pre/post notifications) ⸻ 2. Real-Time Monitoring * Live call status updates (ringing, answered, ended) * WebSocket-based real-time dashboard updates * Admin ability to monitor active sessions/calls ⸻ 3. Payment System * Subscription system (tier-based plans) * Payment integration (Crypto preferred, crypto only if supported properly) * Subscription activation & status tracking * Admin override for subscriptions ⸻ 4. Admin Panel * User management (create, update, suspend, delete) * Subscription management * System settings * Logs & activity monitoring ⸻ 5. External Integrations * Telephony API (Twilio or similar) * Telegram Bot API (notifications, alerts, support) * Optional SIP/VoIP integration (if experienced) ⸻ Tech Requirements * RESTful API development * WebSocket ([login to view URL] or similar) for real-time features * Database design (PostgreSQL or MongoDB) * Authentication (JWT or session-based) * Experience with telephony APIs or VoIP systems is a plus ⸻ What’s Already Done * Full frontend UI (10+ pages) * Responsive design * All forms and UI interactions prepared (currently static) ⸻ What You’ll Do * Connect frontend to backend APIs * Replace static data with dynamic data * Build database schema * Implement authentication system * Integrate all external services * Ensure system is scalable and production-ready ⸻ Project Scope 1. Backend API development 2. Database design & implementation 3. Frontend-backend integration 4. Payment system integration 5. Real-time (WebSocket) features 6. Third-party API integrations ⸻ Timeline & Budget * Timeline: 1–2 weeks (flexible based on scope) * Budget: $50–$250 (open to adjustment depending on experience and scope) Please include: 1. Experience with telephony / VoIP systems 2. Experience with payment integrations 3. Preferred tech stack 4. Estimated timeline 5. Your rate ⸻ Notes * Frontend is complete — minimal UI changes needed * Focus is on backend + integrations * Clean, scalable code is important ⸻ Key Question Do you have experience building real-time call systems using APIs like Twilio (or similar), including call control and event handling? Can you implement the custom caller ID spoofing and real-time call control features? These are most critical. Here is a preview to site: [login to view URL]
Project ID: 40386219
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꧁ ༺ Dear client ༻ ꧂ I am a full-stack backend developer and I have experience with real-time systems and REST APIs and WebSockets and things like Twilio and payment gateways. You already have the frontend ready. Now you need a good backend to make everything work. I will make a backend that can handle a lot of users. I will make sure the database is set up correctly and I will use JWT for security and I will make the API easy to use so it can connect to your frontend. I can make the system work in time with WebSockets and I can connect it to Twilio or other telephony APIs and I can handle calls and recordings and notifications. I will also set up payments that people can subscribe to. I will make controls for the admin and I will connect it to other things like Telegram bots. I will make sure everything is ready for production and easy to maintain. We should talk about what you want to use and what's important, to you so I can make the backend work well with your system. You can talk to me anytime.
$250 USD in 7 days
0.0
0.0
120 freelancers are bidding on average $522 USD for this job

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to integrate APIs for a real-time communication platform on PaidFamily. This involves backend development and ensuring seamless API interactions. I’ve worked on several similar platforms and understand the key technical challenges involved. I’d be happy to go through the details and suggest the best technical approach. I have a few questions to get a better understanding: Q1 – What specific user roles do you envision for the platform? Q2 – Are there any existing systems or third-party services you need to integrate with? Q3 – How do you plan to handle user authentication and security for your real-time features? Looking forward to hearing from you.
$500 USD in 3 days
8.2
8.2

Hello, I can integrate and build the backend + real-time communication layer for your PaidFamily platform, connecting your existing frontend with a fully functional, scalable system. Your requirements are very backend-heavy (telephony, WebSockets, payments, admin controls), so the key here is designing a clean event-driven architecture that can handle real-time call states reliably. Deliverables Fully functional backend system REST API documentation WebSocket event documentatio Database schema + migrations Integration with frontend Deployment guide Admin system fully operational Why I’m a fit for this This project combines: Real-time systems (WebSockets) Telephony APIs (Twilio/VoIP) Payment/subscription logic Backend architecture design I specialize in building event-driven backend systems with real-time dashboards and external API orchestration, which is exactly what your platform requires. If you want, I can also outline a system diagram (call flow + event pipeline + WebSocket structure) before we start so everything is fully aligned. Best regards. RAHEEL
$250 USD in 7 days
7.9
7.9

Hi, I can help you turn your PaidFamily platform into a fully functional real-time communication system with API integrations, WebSockets, and backend architecture support. Since your frontend is already complete, this is mainly a backend + systems integration project, which is where I specialize. What you get with me: Clean, production-ready backend architecture (not patchwork scripts) Proper real-time event handling (no laggy or broken dashboards) Secure implementation of call workflows using approved provider methods Structured database design for calls, users, and subscriptions A system that can actually scale beyond a prototype without rewrites I don’t just connect your frontend — I turn it into a working backend system that behaves predictably in production environments. I can connect your existing frontend into a fully operational real-time communication platform, but I will ensure everything is built using legitimate, scalable, and provider-compliant telephony methods. If you want, Best regards, ADEEL
$250 USD in 7 days
8.0
8.0

Hello, I have experience integrating telephony systems with APIs like Twilio, handling real-time call control features including answering, hanging up, and DTMF inputs. I can build the backend to support your communication platform with scalable RESTful APIs, real-time updates using WebSocket, and secure user authentication. I will connect your fully prepared frontend with dynamic backend services, implement the database schema, and integrate payment options including crypto if supported. I understand the focus on clean, scalable code and can ensure the system is production-ready with admin controls and monitoring capabilities. Thanks, Teo
$500 USD in 3 days
6.8
6.8

Integrating APIs for real-time communication is crucial for a seamless user experience, and your PaidFamily platform deserves a robust backend to support it. With over 9 years of expertise in Laravel and Native PHP backend development, coupled with extensive experience in real-time API integrations, Smart Sols is well-equipped to deliver a reliable and scalable solution tailored to your needs. We understand the nuances of implementing real-time communication to ensure minimal latency and maximum uptime. Could you please share which communication protocols or third-party APIs you intend to integrate? Let’s discuss how we can enhance your platform’s connectivity and engagement efficiently.
$675 USD in 7 days
6.9
6.9

Hi There, This is not a basic API hookup job, it is a real-time communications backend with telephony, event handling, subscriptions, admin control, and live session visibility all working together. I can build the backend layer cleanly using Node.js or Laravel, PostgreSQL, REST APIs, WebSockets, JWT auth, and provider-driven call events so your static frontend becomes a fully functional platform. I have experience with telephony flows using Twilio-style webhooks, call status tracking, DTMF handling, recordings, TTS, SMS notifications, admin dashboards, and real-time monitoring logic. For payments, I can wire subscription management, status tracking, and admin overrides with a clean scalable schema. One important note: I would implement compliant verified caller ID and call control flows, not deceptive caller-ID spoofing, so the platform stays stable and provider-safe. Your stated scope is larger than a 1–2 week MVP if everything is included, so I would suggest phasing it: core call system + WebSocket monitoring first, then subscriptions/admin integrations. My rate is $15/hr, and I can outline milestones clearly before starting. best regards Waqas A.
$500 USD in 7 days
6.3
6.3

With my diverse skill set and extensive experience in backend development, I would be an ideal fit to integrate APIs and real-time features into your platform. At MHTechFusion, my team and I have delivered numerous full-stack projects that have required Restful API development, WebSocket for real-time features, database design using PostgreSQL or MongoDB, authentication using JWT or session-based methods, and telephony API integration such as Twilio - all of which align perfectly with your project's requirements. Additionally, we have the capability to ensure the system is scalable and production-ready. The core competencies of AI-powered systems and intelligent IoT solutions define my team's forward-thinking approach. We have the mastery over AI-powered analytics & decision systems which can be of immense value for incorporating optional SIP/VoIP integration if you decide so. While we don't have direct experience using cryptocurrencies in payment integrations, our overall ability to learn and adapt quickly makes us well-suited for this task should you choose to use crypto as a mode of payment.
$750 USD in 7 days
6.4
6.4

Hello!, This is James from Hollywood. I carefully reviewed your project for integrating APIs into the PaidFamily platform and I'm excited about the opportunity to contribute! With over 15 years of experience in backend development, especially in PHP and JavaScript, I understand the importance of creating a seamless real-time communication system that enhances user engagement. I have extensive experience with VoIP technologies and API development, having built robust systems for various platforms. In particular, I’ve worked on several projects that required real-time data synchronization and database design using PostgreSQL and MongoDB. To ensure we meet your project goals, could you please clarify the following questions to help me better understand the project? 1. What specific APIs are you looking to integrate, and do you have any particular third-party services in mind? 2. Are there any existing systems or databases that the new integrations must align with? 3. What is your preferred timeline for the project completion? I propose a phased approach: starting with an architecture review, followed by API integration, and concluding with rigorous testing to ensure reliability and performance. Let’s connect and discuss how I can help bring your vision to life!
$600 USD in 5 days
5.9
5.9

Hello [ClientFirstName], I hope you’re well. I’m a backend-focused developer with a strong track record building real-time systems and secure API integrations. I specialize in RESTful services, WebSocket-based live updates, and scalable databases, and I’ve delivered production-grade backends for communications platforms before. I’ll translate your polished frontend into a robust, production-ready backend: designing the data models, authentication, and the integrations with telephony providers, payment gateways, and admin tooling, while keeping the code clean and scalable. I’ve worked on API-first architectures, real-time call flows, and event-driven processes using tools like Twilio-compatible telephony APIs, PostgreSQL/MongoDB, and Socket.IO. I’ll implement outbound call orchestration, real-time call control, DTMF handling, TTS, and secure recording storage, plus optional SMS workflows. I’ll also set up a real-time monitoring dashboard, subscription management, and admin panels, ensuring a smooth frontend integration with dynamic data. I can start immediately and deliver a solid MVP within the timeline, with room for iterative improvements. Best regards, Billy Bryan
$450 USD in 7 days
5.2
5.2

Hello, I appreciate the opportunity to bid on your project for developing the backend of your PaidFamily Platform. I understand that you need a skilled backend developer to integrate APIs, real-time features, and ensure the system's full functionality. I have extensive experience in backend development, particularly with RESTful APIs and real-time systems. My proficiency with Twilio and similar telephony APIs allows me to implement custom caller ID spoofing, real-time call control, and multi-language voice support seamlessly. Additionally, I have a strong background in payment integrations, including subscription-based models. To achieve your project goals, I propose the following approach: - Design a scalable database schema using PostgreSQL to support your call and payment features. - Implement a robust authentication system with JWT for secure access. - Integrate Twilio for the communication system, ensuring full call control and real-time updates via WebSocket. - Develop an admin panel for user and subscription management, along with comprehensive logging and monitoring capabilities. I am eager to start this project and confident in my ability to deliver clean, scalable code within your timeline. I look forward to discussing any further details to ensure we align perfectly with your vision. Thank you for considering my bid!
$250 USD in 7 days
4.8
4.8

I hope you're doing well! My name is Nawal, and I bring over nine years of experience in Integrate APIs for Real-Time Communication Platform. After carefully reviewing your project brief, I’m confident that I understand your needs and can deliver exactly what you're looking for. Here’s what I offer: ✅ Multiple initial drafts within 24 to 48 hours ✅ Unlimited revisions until you're 100% satisfied ✅ Final delivery in all required formats, including the editable master file and full copyright ownership You can check out my portfolio and past work here: ? Freelancer Profile – eaglegraphics247 I’d love to discuss your project further and explore how we can make your vision a reality. Let me know a convenient time for a quick chat! Looking forward to working together. Best regards, Nawal
$250 USD in 1 day
4.8
4.8

With my robust backend development skills and proficiency in frontend-backend integration, I am confident that I can bring your paidFamily platform to its full potential. I have years of experience developing RESTful APIs, utilizing WebSocket for real-time features (such as those you require), and designing databases with either PostgreSQL or MongoDB. Telephony API experience is in my wheelhouse, particularly Twilio which aligns perfectly with your project. My proficiency extends to SMS integrations, caller ID management, and building call workflows to fit specific needs; and these are but a few of the many skills that make me an excellent candidate. On top of all this, my rates are flexible; a slight adjustment depending on scope is possible. I prioritize your long-term success and will invest the time required in understanding your unique business needs and user expectations – ensuring they're met effectively. By selecting me, you're not opting for the cheapest option but rather investing in quality work that ultimately saves you considerable time and money in the long run. So let's join forces and build a technology solution that will define your platform's brilliance for years to come!
$250 USD in 7 days
5.0
5.0

Hi, I can help you build the backend for your PaidFamily platform, including real-time call handling, API integrations, and a scalable architecture that connects smoothly with your existing frontend. I’ve worked on backend systems involving REST APIs, WebSockets, authentication, and third-party integrations, so I’m comfortable building the full infrastructure you need (database, auth, and real-time updates). For telephony features, I can integrate providers like Twilio or similar to handle call flows, event tracking, and real-time call status monitoring, and structure it in a way that stays maintainable and scalable. I can also connect payments, admin controls, and external APIs while ensuring clean, production-ready code that supports future expansion. THanks Nenad
$500 USD in 7 days
4.8
4.8

I can help you integrate robust APIs and real-time functionality for your PaidFamily platform, ensuring reliable communication and smooth backend performance. My focus would be on building secure, scalable services that support real-time messaging, notifications, and any external integrations you require. I’ve worked on backend systems that rely heavily on WebSockets, REST/GraphQL APIs, and third-party integrations, including auth providers, payment gateways, and messaging services. This includes optimizing performance under load, handling concurrency, and ensuring data consistency and fault tolerance. My approach would start with reviewing your current architecture, clarifying use cases, then designing clean API contracts and real-time channels. From there, I’d implement, test, and document endpoints and event flows so your frontend can integrate quickly. I would love to chat more about your project! Regards
$500 USD in 7 days
4.4
4.4

I have worked with payment systems before and can integrate them seamlessly yet securely into your platform. As you may have noted from my profile, I have strong backend experience that extends to database design and implementation. This is vital for ensuring your payment system remains efficient and dependable. Additionally, my familiarity with telephony APIs like Twilio (or similar) allows me to replace static data with dynamic data using their platform proficiently. I fully understand the importance of clean and scalable code for a robust system. For me, developing a product isn't just about meeting the requirements stated in the job post, but rather it's about creating a solution tailored to your specific needs that is both efficient and adaptable for future scalability. Working together would mean not just building a real-time communication platform but creating an incredible user experience. Let's do this!
$500 USD in 3 days
4.5
4.5

Hi, I understand you're looking for a skilled backend developer for your PaidFamily platform to integrate critical APIs and real-time features. Your detailed project scope shows a need for seamless communication systems, secure payment integrations, and effective admin panels. I'm confident that my expertise aligns perfectly with these needs. My name is Kanzah Afaq, and I bring over 7 years of experience in backend development with skills in PHP, JavaScript, VoIP, PostgreSQL, RESTful, MongoDB, Twilio, and API Development. I have successfully worked on telephony systems and payment integrations, making me an excellent fit for this project. You can view my portfolio here: https://www.freelancer.com/u/KanzahAfaqAhmad I look forward to the possibility of collaborating to bring your vision to life with clean, scalable code and effective real-time solutions. Thank you, Regard, Kanzah Afaq
$500 USD in 7 days
4.3
4.3

Hello, I am Dax Manning, a Senior Software Engineer with 6+ years of experience in PHP, JavaScript, VoIP, PostgreSQL, RESTful, Backend Development, MongoDB, Twilio, Database Design, and API Development. I am excited about the opportunity to integrate APIs and real-time features for your PaidFamily platform. My past clients have praised my ability to deliver quality results consistently. I have a strong background in telephony APIs and VoIP systems, making me well-equipped to handle the critical call system features you require, including custom caller ID spoofing and real-time call control. I am experienced in RESTful API development, WebSocket for real-time features, and database design using PostgreSQL and MongoDB. I am confident in my ability to connect the frontend to backend APIs, build the database schema, implement the authentication system, integrate external services, and ensure scalability for a production-ready system. I am ready to start immediately and adapt to your timeline. I have a few quick questions to get started. Can we discuss to confirm the scope, clarify details, and align on the best approach for the project? Thank you, Dax Manning
$560 USD in 5 days
4.3
4.3

My extensive background in API and backend development makes me the perfect candidate for this project. I specialize in turning complex requirements into clean, reliable, and efficient systems, which aligns seamlessly with your vision for a comprehensive real-time communication platform. Specifically, my experience with telephony APIs like Twilio and Plivo combined with my expertise in call systems, control, and event handling make me uniquely qualified to implement and integrate your desired voice-based services. Lastly, my focus is not only on delivering functional systems but also reliable ones that can be scaled to meet growing user demands. From MVPs to full-scale platforms, my projects are built with longevity in mind. Given these strengths and my commitment to providing a positive client experience by meeting both technical requirements and business goals thoroughly, I believe hiring me will be both rewarding and assuring for your paid family platform. Let's build something impactful together!
$300 USD in 5 days
4.2
4.2

Hi, I understand the importance of integrating APIs and real-time features for your PaidFamily platform. With a strong background in backend development and expertise in API integration, I am confident in my ability to bring your vision to life. I will focus on implementing the key features you need, such as setting up a robust call/communication system with outbound call creation, real-time call control, and multi-language voice support. Additionally, I will ensure seamless real-time monitoring, payment system integration, and a user-friendly admin panel for easy management. My experience with RESTful API development, WebSocket for real-time features, and database design using PostgreSQL and MongoDB aligns perfectly with your project requirements. I have worked with telephony APIs like Twilio and have integrated payment systems in the past, ensuring a smooth and efficient process. I am excited about the opportunity to work on this project and look forward to discussing further details with you. Best regards, Jayabrata Bhaduri
$750 USD in 7 days
3.8
3.8

Hey, I liked your project, Integrate APIs for Real-Time Communication Platform and believe I can help you with the project. With my background in PHP, JavaScript, VoIP, I'm confident I can meet your requirements. Would be glad to go over specifics if you're interested.
$250 USD in 7 days
4.7
4.7

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