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🚀 I help startups and enterprises build scalable, production-ready software with a strong focus on Java, Spring Boot, and modern backend architecture. As a Software Engineer, I have designed and delivered systems ranging from start-up MVPs to enterprise and government platforms serving thousands of daily users. My expertise is cantered around building clean, maintainable, and high-performance backend applications, while also collaborating across the full software stack whenever projects require it. What I can help you build: ✔ Java & Spring Boot Applications ✔ REST APIs & Backend Services ✔ Microservices Architecture ✔ Authentication & Security (JWT, OAuth2, Keycloak) ✔ Event-Driven Systems (Kafka, RabbitMQ) ✔ Database Design & Optimization ✔ Performance Optimization ✔ System Integration ✔ Cloud-ready Applications ✔ Software Architecture & Code Refactoring Technologies I work with include Java, Spring Boot, Spring Security, Hibernate, PostgreSQL, MySQL, MongoDB, Redis, Kafka, RabbitMQ, Docker, Camunda, Keycloak, AWS, and modern observability tools. Beyond my primary backend expertise, I have also delivered successful projects using Python, FastAPI, Django, React, Next.js, Flutter, and Supabase whenever they were the right technology for the job. 🌟 Highlights • Architected and developed the complete backend microservices platform for "Crewpr", a Dubai-based startup, designing 10+ microservices, integrating multiple third-party services, and building a scalable production system serving thousands of active users. • Contributed to digital transformation projects for Irish government organizations, including Enterprise Ireland, NEH, and Startup Ireland, building secure and scalable backend systems. • Improved the performance and scalability of Yugo, a large-scale European student accommodation platform, by developing backend features and integrating external hospitality systems including RentCafe, Student Suite, and Entrata.

I help companies turn complex technical problems into reliable, production-ready systems — whether that's a backend built from scratch, an AI agent that automates a manual workflow, or infrastructure that scales without breaking. My background spans backend engineering, data pipelines, cloud architecture, and enterprise warehouse systems, so I can usually see the full picture of what a project needs — not just the code. 💻 Software Development - Production APIs and services in Java, Python, and Go using Spring Boot, Django, Flask, and FastAPI. Multiple projects go live with my help in architecture backend - Enterprise-grade platform development: at Fortna, I built and customized Warehouse Execution Systems (WES) and Warehouse Control Systems (WCS), handling order orchestration, inventory management, and real-time integration with conveyors, sortation, and robotics in automated fulfillment centers - WES/WCS technical support — troubleshooting production issues, tuning order flow logic, resolving integration faults between software and material-handling equipment, and providing ongoing operational support for live warehouse systems 🤖 AI Agents & Automation - Designing agent workflows that handle real business tasks: data extraction, document processing, customer support, internal tooling, reporting - Building with Claude, Cursor, Codex, and LangChain-style orchestration to ship faster and cut manual work - Wiring AI agents into your existing stack — databases, APIs, dashboards — so automation fits your workflow instead of sitting on top of it 🗄 Databases & Data Engineering - Schema design and optimization across MySQL, MongoDB, Neo4j, and Redis - ETL pipelines and data warehouses, on-prem or cloud - Web scraping and data processing with Selenium, BeautifulSoup, Scrapy, Playwright, orchestrated via Airflow or Dagster ☁️ Cloud & DevOps - AWS and GCP deployment and management - Infrastructure as code with Terraform - Kubernetes for scalability - Monitoring with Prometheus and Grafana 🔐 Security & Digital Signatures - Digital signature workflows: PDF signing, PKI, CSC API - Tooling experience with iText, PDFBox, pyHanko, DSS Framework - Cryptography and HSM integration for compliance-driven projects

As a seasoned professional with a robust background in technology leadership and software development, I have continuously excelled as a catalyst for driving big data integration, automating data mining processes, and spearheading the development of cutting-edge social media tools. My journey has been defined by a passionate commitment to leveraging data analytics, software prowess, and automation to empower businesses. With a prominent track record of steering teams to success, I thrive in high-paced environments that prize innovation and problem-solving. My tenure as a CTO and senior software developer has fortified my strategic outlook, enabling me to envision and execute data-driven solutions that streamline operations, bolster decision-making, and amplify overall business performance. Within the sphere of data analytics, I possess an acute ability to extract actionable insights from intricate datasets, empowering organizations to make informed decisions that foster growth. Moreover, my extensive expertise in software development equips me with the agility to craft robust, scalable solutions tailored precisely to meet diverse business requirements. Automation stands as a linchpin in optimizing workflows and eradicating manual bottlenecks. I am adept at harnessing cutting-edge automation tools and technologies to architect streamlined systems that elevate productivity and precision across the board. Moreover, my proficiency in data mining has been instrumental in unearthing invaluable patterns, trends, and correlations within vast data reservoirs. Through adept utilization of data mining techniques, I've been pivotal in guiding strategic decision-making processes, providing businesses with a competitive edge. In essence, my amalgamation of adept leadership, technical finesse in data analytics, software development, automation, and data mining positions me as an indispensable asset in steering businesses toward resounding success. I am impassioned about collaborating with forward-thinking teams and organizations, dedicated to fostering innovation, growth, and the harnessing of data-driven insights to surpass their objectives.

⭐️ 8+ Years in Software Engineering (Golang, Python) ⭐️ Hands-on LLM/ChatGPT/RAG product development and large-scale ML hosting on AWS ECS/CDK ⭐️ Backend for global platforms serving 3M+ users/day ⭐️ CKAD, AWS Solutions Architect – Associate & AWS DevOps Engineer – Professional certified ⭐️ Strong background in microservices, cloud-native systems & real-time data pipelines ⭐️ High-impact Upwork client results with consistent 5.0 ratings 🧑‍💻 Back-End Engineering (Golang, Python) ☑️ REST, gRPC, GraphQL API design ☑️ Go frameworks: Gin, Echo, Revel, Martini, Gorilla ☑️ ORM: Gorm, go-pg | Testing: GoMega, Ginkgo, go-mock ☑️ Concurrency: goroutines, channels, worker pools ☑️ Dependency Injection: go-wire ☑️ Structured logging: zap, zerolog, logrus ☑️ GolangCI-lint contributor – deep attention to clean code and linting 🧑‍💻 Cloud & Infrastructure ☑️ AWS: Lambda, ECS, RDS, DynamoDB, S3, API Gateway, Secrets Manager, CDK ☑️ GCP: Cloud Run (standalone & GKE), Firestore, Pub/Sub ☑️ Infrastructure as Code: Terraform, Ansible ☑️ Docker, Kubernetes (CKAD), Helm ☑️ CI/CD: GitHub Actions, Jenkins, Bitbucket Pipelines 🧑‍💻 Databases & Caching ☑️ PostgreSQL, MySQL, MongoDB, DynamoDB, Firestore ☑️ Redis, Memcached, Key-vault ☑️ Neo4j (graph db), Elasticsearch (search & analytics) 🧑‍💻 DevOps, Observability, Streaming ☑️ RabbitMQ, Apache Kafka, Apache Schema Registry ☑️ Prometheus, Grafana, Datadog, AWS CloudWatch ☑️ Log pipelines: ELK (Elasticsearch, Logstash, Kibana), Filebeat 🧑‍💻 AI / GenAI / LLM Work ☑️ LangChain, ChatGPT, Retrieval-Augmented Generation (RAG) ☑️ Slack-JIRA LLM assistant (LangChain + Python + ChromaDB) ☑️ TruthWatch: Real-time YouTube AI content audit web app ☑️ Amazon-scale LLM hosting & PDP localization pipeline ☑️ Prompt engineering, LLM pipelines, context chaining 🛠 Blockchain & Decentralized Systems ☑️ Ethereum, Web3 API, ERC-20 Token Transfers ☑️ Cowswap DEX integration ☑️ Katzenpost Mixnet-based Ethereum transaction privacy router ☑️ Secure wallet interaction, order book access, token tracking

I’ve successfully completed multiple projects on Upwork with 5-star⭐ ratings and positive client feedback. If you’re facing any kind of tech-related problem, I’m here to help. I'm a Full-Stack AI Software Engineer specializing in building modern web applications and AI-powered solutions. I develop scalable, production-ready software using Java, Spring Boot, React, PostgreSQL, MongoDB, Supabase, MySQL, while integrating the latest AI technologies such as LLMs, RAG (Retrieval-Augmented Generation), AI Agents, and workflow automation. Over the years, I have successfully designed and developed several full-stack and AI-powered applications, including: ✅Enterprise Multi-Tenant SaaS POS Application ✅Contractor Expert AI (RAG) ✅Expense Tracker ✅Food Delivery Web App ✅Smart Pharmacy Management System ✅Retail Billing Software ✅Trading Platform ✅Book Rental System ✅Hospital Management System Technical Skills ✅ Languages: Java, JavaScript, Python ✅ AI & LLMs: OpenAI API, Gemini API, LLM Integration, RAG (Retrieval-Augmented Generation), AI Agents, Prompt Engineering, Workflow Automation ✅ Frameworks: Spring Boot, Spring MVC, Hibernate, React, Tailwind CSS ✅ Web Services: RESTful APIs ✅ Databases: MySQL, PostgreSQL, MongoDB ✅ Tools: VS Code, IntelliJ, Eclipse, Postman, Git/GitHub ✅ Frontend: HTML5, CSS3, JavaScript ✅ Practices: Git-based version control, Agile methodology, automated testing I believe in clear, friendly communication to keep projects running smoothly and ensure we’re always aligned. Let’s chat about your project and see how I can help bring it to life! “Any fool can write code that a computer can understand. Good programmers write code that humans can understand.” – Martin Fowler

Proven expertise in managing the entire software development lifecycle—from gathering customer requirements, analysis, and design to development, automated testing, and deployment—utilizing a diverse technology stack including Java/J2EE, Python, C#, VueJS, AngularJS, JSF/PrimeFaces, Laravel, PHP, AWS, and WordPress. Extensive experience in the design and development of mission-critical applications, with a strong focus on: Requirement Analysis: Collaborating with stakeholders to understand and document project requirements, ensuring alignment with business objectives. Technical Design: Crafting robust architectural solutions, creating proof of concepts (POC), and providing detailed estimations to guide project execution. Development & Automation: Leading development teams to implement scalable, high-performance applications, and utilizing automation tools for testing and deployment. Code Review & DevOps: Conducting thorough code reviews to maintain quality standards and driving continuous integration and deployment processes using DevOps best practices. Skilled in providing comprehensive support for critical applications, offering clients in-depth technical knowledge, customized solutions, and feature-specific enhancements. A quick learner with a demonstrated ability to adapt to rapidly changing technical environments and resolve complex issues effectively. Known for delivering high-quality results under tight deadlines. Technical Skills/Tools: Programming Languages & Frameworks: Java, J2EE, Python, C#, PHP, Laravel JSF, PrimeFaces, Spring, Spring Boot VueJS, AngularJS, JavaScript, NodeJS Web Development: WordPress, HTML/JS/JSON Version Control & CI/CD: Git, SVN, Maven, Jenkins, Docker, Ansible Other Tools: Eclipse IDE, Trello Specializations: Machine Learning, AI, Selenium (Java), Data Scraping Tools (Java) Unity