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I am Nitesh, Having Bachelor degree in Computer Science and Oracle Certified Java Professional. Recently i started working as independent consultant, before that i worked for top IT company like Accenture, KPMG, Amdocs & Oracle. More than 13 years of experience in Software development and specialised in Backend development and Designing/Architecting solutions for enterprise. I am very strong in developing Micro-services/Event driven & Cloud native backend using Spring Boot, Quarkus, AxonIQ & Google app engine framework. I worked as back-end engineer for many project so good in collaborating, leading front-end/mobile developer for integrating with API. Also worked on TCP/UDP, Java NIO socket, Websocket programming heavily so well aware of reading and writing data from socket client, concurrency and multi-threading. I worked for EV charge process monitoring application and integrated with eRoaming platforms like Hubject so strong knowledge in EV domain with Event driven programming using Spring Boot, AxonIQ framework and AWS MQTT. Worked on integrating OpenAI, Gemini, Anthropic & Deepseek API, Good experience in LangChain4j. Also worked on AI agents like OpenHands & Jule. Also worked on developing API for Video, Image analysis, Audio Transcription from video and many other AI features. Good in Agile methodology, working with remote teams, Scrum call, Sprint planning & DevOps practices. Use Docker, configure CI/CD pipelines for Github/Gitlab, AWS ECS, ECR and able to configure Kubernetes cluster. Also able integrate the metrics and logging using Prometheus, Grafana, Loki & AWS cloudwatch for any java project. I am also very good in desigining and developing Event driven systems and data integration across various application. I am solace certified solutions consultant and worked on various Messaging & event broker like - Solace, Apache Kafka, Rabbit MQ, ActiveMQ, AxonIQ, AWS SQS & MQTT. Good in migrating legacy system to microservices, OpenAI API integration, full-text search using Apache Lucene and Elastic Search. Worked on 3rd party integration like Facebook API, QuickBooks, PayPal, Visa, Stripe, Hubspot CRM, Weclapp ERP, Zoho CRM, SAP, Salesforce and many more third-party system. Excellent in cloud platform services like Google app engine, Google Cloud Function, gRPC, AWS Lambda, API Gateway, S3, EC2, ECS, ECR, RDS, MQTT, Cloudwatch, MSK, DynamoDB, Azure & Heroku . Key Skills: Java, Kotlin, J2EE, Spring MVC, Spring Boot, Spring Data, Quarkus, Hibernate/JPA, Web Services(SOAP,REST), Event Driven programming, AxonIQ, Rabbit MQ, Java Swing, JavaFx, TCP/UDP socket programming, Java NIO, Scala Play Framework, JUnit/Mockito, XML, Maven, Ant. Intermediate skills in GoLang, Scala, Python, C++, Salesforce Apex, SAP HANA DB, Google Big Query , full-text search using elastic search. Database- Oracle, MySQL/MariaDB, PostgreSQL, H2, Derby, Microsoft SQL Server, MongoDB, DynamoDB, Neo4J(GraphDB) These skills are not limited, i am able to learn any tech-stack and deliver result quickly. Thanks,

Hi, I’m Priya — a Senior Backend Engineer with 10+ years of experience building scalable backend systems, cloud-native microservices and high-performance APIs using Java and Spring Boot. I help startups and businesses: ✔ Build secure, scalable REST APIs ✔ Design microservices architectures ✔ Improve backend performance & reliability ✔ Migrate legacy systems to modern cloud stacks ✔ Integrate AI-powered features into applications ✔ Agentic AI, RAG pipeline development, Prompt engineering, integrating Claude, Open AI, Openrouter, Ollama I’ve worked with global companies like TCS, Capgemini, and Hilti, contributing to mission-critical enterprise platforms and distributed systems used at scale. 🔹 Core Expertise Java, J2EE, Spring Boot, Spring MVC Microservices (REST, event-driven, Kafka, RabbitMQ) Frontend development on Angular , React, Thymeleaf System design, multithreading, performance optimization AWS (Lambda, EC2, ECS, RDS, API Gateway, S3, CloudWatch) Docker, Kubernetes, CI/CD pipelines SQL & NoSQL databases (Postgres, MySQL, MongoDB, DynamoDB, Supabase) 🤖 AI & Intelligent Systems I also help teams integrate modern AI capabilities into their products: Agentic AI workflows RAG (Retrieval-Augmented Generation) APIs, Configured Light RAG for uploading kowledgebase, business data and based on that AI will respond to user queries and trigger workflow. OpenAI / GPT / Claude / Gemini integrations Vector databases (pgvector, Pinecone) AI microservices & knowledge-base systems Implemented MCP servers and deployed on Railway. Configured Agent in Claud and TypingCloud. What clients like about working with me: Clear communication Strong architecture thinking Clean, maintainable code On-time delivery Long-term reliability If you’re looking for a senior backend engineer who can both build strong systems and think strategically about architecture, I’d be happy to discuss your project.

I'm a Python developer and manual QA tester with hands-on experience testing realworld web apps. I've worked on usability and bugtesting contracts where I documented findings in structured reports with severity ratings and detailed observations. What I bring: - Manual QA & usability testing (bug reports, test scenarios, severity classification) - Python scripting (automation, Google Sheets API, Google Drive API, ADB/Android automation) - Past projects: encrypted chat app (AES + socket programming), blockchain validator, Google API integrations - Honest about what I know and fast at picking up what I don't I work well on early-stage products, small automation tasks, and anything that needs careful, detail-oriented testing. I'm a quick learner and comfortable taking on stretch roles.

I build trading bots, custom indicators, and automated strategies that work exactly the way you want them to. What I Do: I turn your trading rules into fully working algorithms. You tell me your strategy — I code it, backtest it, optimize it, and deliver it ready to run live. Platforms I Work With: MetaTrader 4/5 (MQL4/MQL5), NinjaTrader 7/8 (C#), cTrader/cAlgo (C#), QuantConnect (Python/C#), TradingView (Pine Script) What I Build: → Trading bots & Expert Advisors → Custom indicators (multi-timeframe, multi-symbol, alerts) → Scalping, grid, breakout, hedging, mean reversion strategies → Backtesting & walk-forward optimization → Risk management systems (SL/TP, trailing stops, breakeven, pyramiding) → Broker & exchange API integration (Binance, Bybit, Oanda, Interactive Brokers) → Prop firm challenge bots (FTMO, MyFundedFX, etc.) Why Clients Choose Me: → Top Rated on Upwork — 32 jobs done, 1,370+ hours, $40K+ earned → I follow your rules exactly — no guessing, no shortcuts → Clean, well-documented code with source files included → Fast replies and on-time delivery I work with forex traders, crypto traders, futures traders, prop firms, and hedge funds. Send me your trading idea or strategy rules — I'll tell you exactly how I can automate it.

I bring over 10+ years of expertise in Java, Spring Boot and Cloud technologies. I have consistently delivered robust, scalable, and maintainable software solutions. My passion lies in tackling complex challenges head-on and transforming them into elegant, efficient optimize code. Whether you are looking to build a new application from the ground up, optimize an existing system or solve a specific problem, I bring a wealth of experience and a results driven perspective to ensure your project's success. Let's use Java to make your vision a reality, together. Key Technologies: ✅ Java 8 to 21 ✅ Spring MVC, Spring Boot, Spring Cloud Microservices, Spring Security (JWT, OAuth 2.0) ✅ Hibernate, JPA, JDBC ✅ Restful API, GraphQL ✅ Desktop application: JavaFx ✅ Spring Batch, Scheduler ✅ Frontend: JSP, Thymeleaf ✅ Relational DB: MySQL, PostgreSQL, Oracle ✅ NoSQL DB: MongoDB, Elasticsearch ✅ DB Migration: Liquibase ✅ Asynchronous Messaging: Apache Kafka, RabbitMQ ✅ Build Tool: Apache Maven, Gradle ✅ Version Controller: Git, GitHub ✅ Testing with Junit, Mockito ✅ API Documentation: Swagger UI ✅ Architecture: Monolithic, Microservice ✅ CI/CD Pipeline: Jenkins ✅ Containerization: Docker ✅ Orchestration: Kubernetes ✅ Cloud: AWS, GCP ✅ Monitoring Tools: Log4j, Slf4j, Datadog ✅ Code Quality Tools: SonarQube, Black Duck, Harbor, SecHub Scan ✅ Performance Testing Tool: JMeter ✅ Server: Apache Tomcat ✅ Realtime Scheduler: Quartz ✅ API Integration (Office365, Twilio) ✅ Libraries: Apache POI ✅ Agile Methodologies: Jira, Confluence, Scrum, Sprint Planning, Standup, Retrospectives ✅ Business & Technical Analysis: Requirements Gathering, Risk Analysis, Technical Design, Application Modeling, Implementation Planning and Support Favorite Topics: ⭐ Problem Solving Ability. ⭐ Provide Efficient Optimized Solutions. ⭐ Maintaining Good Quality Code. ⭐ Accepted Challenges That Allows Me to Learn New Skills. ⭐ Test Driven Development. ⭐ Always Prioritize Security Aspects. ⭐ Build automation. Domain Expertise: ✅ Manufacturing ✅ E-Commerce ✅ Education Services ✅ Applicant Tracking System (ATS) ✅ Customer Relationship Management (CRM) Let’s Connect ! 🎉 If you’re looking for a dedicated backend Java developer who can deliver results, I’d love to discuss your project further. Feel free to reach out, and let’s create something amazing together! Thank You

𝐖𝐞𝐥𝐜𝐨𝐦𝐞 𝐭𝐨 𝐦𝐲 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐩𝐫𝐨𝐟𝐢𝐥𝐞. ✅ 🏆 𝙏𝙊𝙋 𝙍𝘼𝙏𝙀𝘿 𝙋𝙇𝙐𝙎 🏆 Freelancer ✅ 6+ Years of experience ✅ Senior Full Stack Developer ✅ Senior Software Engineer ✅ Guarantee of High-Quality Product Delivery I am experienced and specialise in building a website , software and Application for small and large scale businesses. Whatever purpose you want to include in your app, I am here to setup your all needs. Also high quality, clean code, on-time delivery, good communication are my main concerns. Familiar with : - Front-end: - React.Js / React Native / Electron.Js Back-end: - Node.js / Express.js / Python (Django) / PHP (Laravel, Codeigniter) Database: - PostgreSQL / MySQL / SQL / SQLite3 / MongoDB / DynamoDB CI/CD: - Docker / Azure Pipeline and Release / AWS / BitBucket / GitHub Graphic Wrappers: - Ant Design / Tailwind / Semantic UI / Bootstrap / React Material-UI / HTML5 / CSS3 / Javascript / jQuery / RN Material-UI / Native base AWS: - AppSync / Lambda / SQS / S3 / EC2 / Cognito / CloudWatch / AWS Amplify / API Gateway / CloudFront Version Control: - GitHub / BitBucket / GitLab / Azure Task Manager: - Clubhouse / Jira / Trello / Azure DevOps / Asana ✅ Beyond my technical proficiency, I excel as a communicator and collaborator. Experienced in remote work, I thrive on engaging closely with clients and stakeholders to grasp their needs, ensuring tailored solutions. My knack for fostering strong client relationships coupled with a passion for technology positions me as an ideal candidate for diverse projects. 🎯 When you entrust me with your project, anticipate prompt responses, regular updates, swift task completion, reliability, and transparent communication. My commitment is to deliver immediate value to your endeavour. 🏁 Efficiency and excellence define my work ethic. I pride myself on delivering high-quality results swiftly. Let's work together to turn your vision into a reality! Please feel free to contact me if you have any questions or to discuss your project. Best regards, Gaurav V.