Spring Data Experts For Hire
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Sponsored Freelancers
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Hire PentabayC
Most Reviewed Companies by The Manifest in the Software Development category. Our team consists of seasoned professionals with a wealth of expertise, offering a diverse range of digital services to elevate your business: ✅ Custom Logo Design to establish a unique brand identity. ✅ Creative Graphics Design to...Most Reviewed Companies by The Manifest in the Software Development category. Our team consists of seasoned professionals with a wealth of expertise, offering a diverse range of digital services to elevate your business: ✅ Custom Logo Design to establish a unique brand identity. ✅ Creative Graphics Design to captivate and engage your customers. ✅ Comprehensive Website Design & Development that tells your brand’s story while boosting your global reach. ✅ Mobile App Design & Development bringing your business to your customers’ fingertips. ✅ CRM Development to manage customer relations and streamline your workflow. ✅ SaaS Design & Development for scalable, cloud-based solutions to enhance operational efficiency. ✅ ERP Solutions Design & Development to unify and optimize business processes across departments. ✅ Blockchain Development including decentralized platforms, decentralized applications (dApps), and smart contracts using Ethereum, BNB Smart Chain, Solana, Polygon, and other blockchain technologies. At Pentabay, we understand that a robust online presence is key to business success. That’s why we adopt a holistic approach to all our services, ensuring that your digital presence is fully optimized and resonates with your target audience. Whether it's crafting an eye-catching logo or developing feature-rich, user-friendly websites and mobile applications, we’ve got you covered. Our Promise to You: ✅ 100% Client Satisfaction Rate ✅ 200+ Years of Combined Experience in IT services across our team ✅ 1000+ Happy Clients from various industries ✅ 100+ In-House Experts ready to serve your needs ✅ Our clientele spans 42+ Countries ✅ Quick Response Time (Under 2-3 hours) ✅ 5-Star Rated Profile across all platforms ✅ Dedicated Project Managers with fluency in English ✅ Support Availability 5 days a week across EST, PST, MST, and GMT time zones ✅ Physical Presence in the UK, USA, UAE, and Pakistan Let's connect! Start a conversation here on Freelancer.com so we can discuss your project requirements in detail and share our innovative ideas with you. Thanks for visiting our profile! less -
Hire dmytroy7
As a seasoned Full-Stack Developer, I build dependable, high-performance products from start to finish spanning polished user experiences to resilient backend architectures. I excel at integrating AI and intelligent automation into systems, transforming complex workflows into streamlined, data-driven operations that...As a seasoned Full-Stack Developer, I build dependable, high-performance products from start to finish spanning polished user experiences to resilient backend architectures. I excel at integrating AI and intelligent automation into systems, transforming complex workflows into streamlined, data-driven operations that reduce costs and increase efficiency. I prioritize real-world, deployable solutions that are easy to manage, built securely and engineered to grow with your business. My Core Tech Stacks: Frontend: HTML5, CSS3, Tailwind CSS, JavaScript(ES6+), TypeScript, React.js, Next.js, Vue.js, Angular.js Backend: Node.js, Express.js, Nest.js, Laravel, Django, Spring Boot, ASP.NET Mobile: React Native, Android Native(Java), Flutter APIs & Architecture: REST APIs, GraphQL, WebSockets Third-Party APIs & Integrations: OpenAI API Marketing: SEO Auth & Security: JWT, OAuth 2.0, RBAC, API Authentication Database: MySQL, PostgreSQL, MongoDB, Firebase DevOps & Cloud: AWS(Lambda, ECS, S3, RDS), Nginx, Vercel, Docker, GCP Backend / AI / LLM Framework: LangChain, Whisper Testing & Performance: Jest, Cypress, Postman, Playwright, Load Testing, Sentry, Datadog, Espresso What I can do for you: - Craft high-performing web applications and sleek dashboards that excel in production. - Develop smooth, cross-platform mobile apps for both Android and iOS. - Design and implement robust backend APIs, seamless system integrations and scalable services built for growth. - Infuse your projects with intelligent, AI-powered features and smart automation. less -
Hire gtorres83
Senior developer with 10+ years of experience in analysis, design, development, and implementation Java applications using several frameworks such as Spring framework and Hibernate. Broad experience in databases such as MySQL and Oracle pl/sql, and ETL using Pentaho data integration. Well-experienced in agile...Senior developer with 10+ years of experience in analysis, design, development, and implementation Java applications using several frameworks such as Spring framework and Hibernate. Broad experience in databases such as MySQL and Oracle pl/sql, and ETL using Pentaho data integration. Well-experienced in agile methodologies such as scrum. Optimization of legacy applications and improving software process. less -
Hire Pyyetru
Pyyetru Pyyetru
$50 USD / hour
⭐AlgoTrading Developer | NT8, TradingView, MT5, IBMoldova, Republic of⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script,...⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script, Python, Freqtrade, Backtrader, and CCXT. I help independent traders and small funds automate entries/exits, visualize edges, and get instant notifications to catch opportunities faster. I design systems to stay consistent across market regimes, withstand noise, slippage, latency, and partial fills, avoid overfitting, degrade gracefully when assumptions fail, and handle real-world edge cases like weekend gaps, news spikes, and low liquidity. ✅ Trading Platforms • IBKR TWS & IB Gateway API integration (ib_insync) • NT7 / NT8 strategies, indicators, addons • MT4 / MT5 indicators, Expert Advisors, • TradingView Pine Script indicators, strategies, screeners, alert webhook bridge • MultiCharts, QuantTower, Sierra Chart, Thinkorswim, Charles Schwab ✅ Backtesting & Quant Research • QuantConnect, VectorBT, Backtrader strategy backtesting, risk analysis • AI / RL strategy development (SB3, Gymnasium, SAC / PPO / A2C) ✅ Risk Analysis & Risk Management • Pre-trade risk checks (position limits, leverage) • Real-time P&L, drawdown & exposure monitoring with kill switches • Liquidity & execution risk (slippage, widening spread, commission, exchange fee) • Strategy risk validation (overfitting detection, walk-forward testing) ✅ Market Data & APIs • Stock market API integration & subscription cost optimization (IQFeed, DxFeed, Massive, AlphaVantage) ✅ Infrastructure, Observability, Data • Execution Engine • Kafka, Redis • Grafana, Prometheus • Trading performance monitoring dashboards • Time-series databases & tools: QuestDB, InfluxDB, TimescaleDB, ClickHouse, kdb+, ✅ Products & Licensing • Charting applications in C# Avalonia, Next.js • Copy trading tools • Trading product licensing ==================================================================================== "I believe the current trade I am in will be a loser ... a big loser at that." Larry Williams "Throughout all my years of investing I've found that the big money was never made in the buying or the selling. The big money was made in the waiting." Jesse Livermore "Don’t focus on making money, focus on protecting what you have." Paul Tudor Jones "In trading, you have to be defensive and aggressive at the same time. If you are not aggressive, you are not going to make money, and if you are not defensive, you are not going to keep the money." Ray Dalio "Amateurs think about how much money they can make. Professionals think about how much money they could lose." Jack Schwager less -
Hire Rajowan190
I'm an expert in Lead Generation, Data Entry, and Web & Internet Research. I'll provide 99% accurate leads. Less than 1% bounce rate guarantee. Tell me about your ideal lead. I can segment by industry, company size, location, title & what technologies they use. I am a curious, hardworking, and reliable individual with...I'm an expert in Lead Generation, Data Entry, and Web & Internet Research. I'll provide 99% accurate leads. Less than 1% bounce rate guarantee. Tell me about your ideal lead. I can segment by industry, company size, location, title & what technologies they use. I am a curious, hardworking, and reliable individual with close attention to detail My Services √ Lead Generation √ Data Entry √ web Research √ Admin Support √ LinkedIn Recruiting √ Valid Email provider √ Virtual Assistant √ Email Finding √ Missing Data Collection √ Data Appending/Enrichment √ Scrap Data from any Website √ Business Contact Information √ Contact & Email List Building √ Valid Email Provider less -
Hire zainalitariq245
zainalitariq245 zainalitariq245
$25 USD / hour
Web & Mobile Specialist | Flutter Laravel ExpertPakistanI specialize in web and mobile application development using Flutter and Laravel, focused on building scalable products, not just launches. Most developers complete features. I build complete systems that work in real business environments. I work as a strategic partner, not just a freelancer. I understand your...I specialize in web and mobile application development using Flutter and Laravel, focused on building scalable products, not just launches. Most developers complete features. I build complete systems that work in real business environments. I work as a strategic partner, not just a freelancer. I understand your business, design scalable systems, and help you avoid rebuilding later. I deliver full web and mobile apps, scalable backend systems, and complete product development with clean UI/UX and long-term support. I work with a structured team to ensure consistent quality, faster execution, and full ownership of your product. I build systems that scale, stay stable, and support real business growth. If you want something solid and long-term, let’s connect. Zain Ali less -
Hire LonelyJavaCoder
LonelyJavaCoder LonelyJavaCoder
$10 USD / hour
Java 8 | Spring Boot | REST API | MicroservicesIndiaHi, I’m Kundan Kumar, a passionate Java Developer with 5+ years of professional experience building scalable backend systems. I specialize in developing REST APIs, microservices, and banking/fintech applications using modern Java frameworks. ✅ Tech Stack: Java 8–17, Spring MVC ,Spring Boot ,Spring Security ,...Hi, I’m Kundan Kumar, a passionate Java Developer with 5+ years of professional experience building scalable backend systems. I specialize in developing REST APIs, microservices, and banking/fintech applications using modern Java frameworks. ✅ Tech Stack: Java 8–17, Spring MVC ,Spring Boot ,Spring Security , Hibernate ,JPA REST APIs, Microservices, Kafka, RabbitMQ MySQL, PostgreSQL, MongoDB ,Oracle Docker, AWS EC2, EKS, Jenkins CI/CD Unit Testing (JUnit, Mockito) Angular , HTML , CSS , JavaScript ,Jquery ✅ What I can do for you: Build or optimize backend services Design REST APIs or microservices Integrate with databases or 3rd party APIs Debug, refactor, or enhance existing Java apps Deploy Java apps to AWS / Docker 💬 Let’s discuss your project — I deliver clean, efficient, and maintainable code with proper documentation and testing. Project : “Banking loan management API using Spring Boot & MySQL” “Microservices-based loan processing system” “E-commerce backend with JWT security” less
