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OCJP Certified Java Architect | Spring Boot | Microservices | AWS | Kafka | Camunda | 13+ Years Experience With 13+ years of professional experience in designing, developing, and deploying enterprise-grade applications, I help businesses build scalable, secure, and high-performance cloud-native solutions. My expertise spans Java, Spring Boot, Microservices Architecture, AWS Cloud, Kafka, Redis, Docker, Kubernetes, CI/CD, OAuth2, Keycloak, JWT, and Camunda BPM. Key Highlights: ✔ OCJP Certified Java Professional ✔ 12+ Years of Software Development Experience ✔ Microservices & Cloud-Native Architecture Specialist ✔ Banking & FinTech Domain Expertise ✔ RESTful APIs, Event-Driven Systems, and Distributed Architecture ✔ AWS Cloud Deployment & DevOps Automation ✔ Security Implementation with OAuth2, JWT, Keycloak, LDAP, and Okta Recent Accomplishments: ✅ Designed and implemented cloud-native microservices using Java, Spring Boot, Spring Cloud, Docker, and Kubernetes. ✅ Built FinTech and Banking solutions integrating payment gateways and remittance platforms, including Stripe, RIA, and Instant Cash Exchange House APIs. ✅ Developed high-performance event-driven architectures using Kafka and Redis for real-time processing and scalability. ✅ Automated deployment pipelines using Jenkins, Docker, Kubernetes, SonarQube, and Git-based CI/CD workflows. ✅ Implemented workflow orchestration and business process automation using Camunda BPM. AI-Assisted Development: I effectively leverage AI tools such as ChatGPT and GitHub Copilot to accelerate development productivity by 60–80% through: • Business rule analysis and API design • Schema and ORM modeling • Rapid endpoint generation • Code completion and refactoring • Automated code reviews and quality improvements • Technical documentation generation Core Technologies: • Java, Spring Boot, Spring Framework, Spring Cloud, Hibernate, JPA, Camunda, GraphQL, WebSockets • Kafka, RabbitMQ, Redis, Docker, Kubernetes • MySQL, Oracle, PostgreSQL, MongoDB, Elasticsearch • AWS (EC2, ECS, RDS, S3, IAM, SQS) • OAuth2, JWT, Keycloak, LDAP, Okta, Spring Security • React, Angular, TypeScript, JavaScript • Jenkins, Git, Maven, SonarQube, Jira I am passionate about building reliable, scalable, and secure enterprise solutions that deliver measurable business value. Let's discuss how I can help your team accelerate development, modernize architecture, and successfully deliver high-quality software solutions.

Are your logs getting expensive, Elasticsearch slowing down, or monitoring systems hard to manage? I help businesses build and optimize scalable, cost-efficient logging and monitoring systems using ELK Stack and modern DevOps tools. With 5+ years of experience in production environments, I focus not only on performance and reliability — but also on reducing infrastructure and storage costs without sacrificing visibility. What I can help you with: ✔ Elasticsearch cluster setup, scaling & performance tuning ✔ Cost optimization (index lifecycle, shard strategy, storage reduction) ✔ Query optimization to reduce load and improve response time ✔ Logstash pipelines (efficient parsing, reduced ingestion overhead) ✔ Kibana dashboards, RBAC, and alerting ✔ Grafana monitoring & visualization ✔ Kubernetes & Docker deployments (optimized resource usage) ✔ NGINX configuration and performance tuning ✔ AWS infrastructure setup with cost-aware architecture ✔ Automation using Ansible and CI/CD Why work with me? ✓ I reduce Elasticsearch storage and compute costs (ILM, rollover, retention tuning) ✓ I build systems that are fast, scalable, and efficient ✓ I understand real-world production and SOC environments ✓ Clean, maintainable architecture with proper documentation If you’re looking to cut costs, improve performance, or fix an existing setup, I can help you get it done the right way.

🏅 Certified Professional: Python (PCEP, PCAP) & Java (OCA) 🏆 Proven Experience: Expert in business automation solutions 💰 Results-Oriented: Focused on delivering measurable business value Skills & Expertise: • Programming Languages: Python, Java, PHP • JavaScript : React, Vue, Angular, TypeScript, jQuery • Backend Development: Django, Spring Boot, Laravel, CodeIgniter, Custom PHP • Database Management: MySQL, MSSQL, PostgreSQL, Oracle, MongoDB • Web Development: HTML, CSS, Bootstrap, Thymeleaf, Blade Templates • API Integration: JSON, XML, REST, SOAP • Reporting Tools: JasperReports • Infrastructure & Cloud: HAProxy, Spring Cloud Gateway, Microservices, Google Cloud, Azure, Docker, Kubernetes 🌟If you're seeking a dependable partner to elevate your project, let's connect and explore how I can contribute to your success. Feel free to reach out or schedule a chat!

With 15+ years of experience in extensive list of technologies, I am able to provide you with high quality, sophisticated, robust solutions that are well tested, efficient, accurate. I shine at diving into your existing codebase, find the source of issues, and resolve them without breaking another thing. If you have old legacy code, or a vibe coded program that is not working, I can fix them up for you to clean and conscious code. Need to automate? Got your back. Data processing, parsing complex PDF? Sure thing! You need it, if there is solution for it, I can get it done. Technologies I am currently working with: Rust, Python, Axum, SQLAlchemy, FastAPI, Django, PostgreSQL, SQLite, HTMX, ReactJS, Tailwindcss, RunPod, AI/LLM I am a passionate software engineer who enjoys challenges, and finding solutions. I have extensive experience of diving into existing code, finding issues, and resolve them. As a hardworking, resourceful engineer who also loves automating things, that usually saves a lot of time, I can provide the best service for the most reasonable costing. Besides developing data mining applications, automation tools, Websites, I have personal interest in Open Source projects. Here's a list of, but not limited to, responsibilities I have successfully fulfilled: ◾️ Desktop application ◾️ Refactoring ◾️ Prompt Engineering (Local LLM) ◾️ Machine Learning ◾️ Web development ◾️ Web Scrapers ◾️ Email processing ◾️ Distributed applications ◾️ ETL ◾️ Automation ◾️ Server configuration and deployments ◾️ Bug fixing and code improvements ◾️ High Performance computing Let's get in touch.

I help businesses stabilize, scale, and extend existing applications without costly rewrites. With 15+ years of experience, I specialize in Java (Spring Boot) and Laravel-based systems, focusing on bug fixing, performance optimization, API development, and long-term maintenance for SaaS and enterprise applications. If your application is slow, unstable, hard to maintain, or needs new features added safely — I can help. What Can I Help You With - Fixing critical bugs and production issues - Improving performance and database efficiency - REST API development and third-party integrations - Refactoring legacy Java / PHP applications - Secure authentication and role-based access - Ongoing maintenance and technical support Why Clients Trust Me - 15+ years building and maintaining real-world systems - $70K+ earned and 5,000+ hours on Upwork - Long-term contracts (1,000+ hours) with US & UK clients - Strong focus on clean, maintainable, and scalable code Technical Stack - Backend: Java, Spring Boot, Spring Security, Hibernate, JPA, PHP, Laravel - Frontend: Angular, React - Databases: MySQL, SQL Server - Tools: REST APIs, JUnit, Mockito, Git

👋 I help startups, businesses, and international clients build scalable backend systems, AI-powered applications, SaaS platforms, fintech/payment solutions, and modern full-stack software. I am a Software Engineer with 3.5+ years of industry experience, specializing in Java, Spring Boot, Python, React, AI Agents, LLM Integration, Microservices, Redis, RabbitMQ, Kafka, gRPC, SaaS, Fintech, and Payment Application Development. My focus is on building clean, secure, scalable, and production-ready software systems that solve real business problems. 🚀 Core Expertise Areas ⚙️ Backend Engineering & Architecture - Java, Spring Boot, Python - RESTful API design and development - Microservices architecture - Redis for caching and performance optimization - RabbitMQ and Kafka for messaging and event-driven systems - gRPC-based service-to-service communication - Scalable backend system design - Secure authentication with OAuth and JWT - Clean, maintainable, and performance-focused code 🤖 AI Agents & LLM Integration - AI agent development - LLM integration into backend systems - AI-powered automation tools - Chatbot and assistant-based systems - AI workflow development - Backend services enhanced with AI capabilities 💳 SaaS, Fintech & Payment Development - SaaS platform development - Fintech and payment application development - Payment workflow development and integration - Business dashboards and admin panels - User management and role-based access - Secure and scalable API ecosystems 🌐 Frontend Development - React frontend development - Responsive and user-friendly interfaces - API integration with backend systems - Dashboard and admin panel UI development 🛠️ DevOps, Databases & Deployment - Docker, Linux servers, CI/CD pipelines - Cloud-ready application deployment - PostgreSQL, MySQL, MSSQL, Oracle, MongoDB - Backend performance optimization - Long-term maintenance and system improvement 🧠 AI Development Tools I Use I am proficient with modern AI-assisted development tools, including: - Codex - Claude Code - OpenCode - Gemini CLI 🌍 Open-Source Contributions I also contribute to open-source projects, including: - OpenClaw / ClawdBot - PyTorch ✅ Systems I Can Help You Build - AI agents and LLM-powered applications - SaaS platforms - Fintech and payment applications - Java Spring Boot backend systems - Python backend services - Microservices-based applications - API-driven business platforms - React dashboards and admin panels - Event-driven systems using RabbitMQ or Kafka - High-performance backend communication using gRPC - Scalable systems using Redis caching ✅ What I Help Clients Achieve - Build scalable and secure backend systems - Integrate AI and LLMs into real applications - Develop SaaS, fintech, and payment platforms - Improve backend performance and architecture - Build clean REST APIs and microservices - Create reliable full-stack business applications - Turn product ideas into production-ready software 🧩 Skills Java, Spring Boot, Python, React, AI Agents, LLM Integration, SaaS Development, Fintech Development, Payment Application Development, Backend Development, Full-Stack Development, Microservices, REST API, API Integration, gRPC, Redis, RabbitMQ, Kafka, PostgreSQL, MySQL, MSSQL, Oracle, MongoDB, Docker, Linux, CI/CD, OAuth, JWT, Codex, Claude Code, OpenCode, Gemini CLI. ⭐ Why Clients Hire Me - I build complete solutions, not just isolated features - Strong backend and full-stack engineering experience - Experience working with international business clients - Ability to integrate modern AI tools into real software systems - Focus on clean code, scalability, security, and production readiness - Comfortable working on both new product development and existing system improvement 🎯 Ideal Projects I Work On - Java Spring Boot backend development - LLM integration into SaaS or business applications - Python backend development - Fintech and payment application development - SaaS platform development - Microservices architecture - AI agent development - API development and integration - React frontend development - Backend performance optimization If you need a reliable software engineer to build scalable backend systems, AI-powered tools, fintech/payment applications, or SaaS platforms, I can help you design, develop, and deliver it properly.