Senior Full Stack Engineer

Led the design and development of a microservices-based SaaS platform for banks, accounting, and tax firms, processing 100,000+ documents/month including invoices, tax forms, and contracts. Built Angular 18 and React frontends with advanced state management, lazy loading, and responsive UI, improving load times by 8% and enhancing user adoption. Implemented REST and GraphQL APIs, reducing response latency by 25% and enabling modular service scaling. Developed AI-assisted workflows using ChatGPT APIs and RAG vector search, improving document classification accuracy by 30% and reducing manual review effort by 20%. Migrated legacy monolithic services into microservices, cutting maintenance costs by 30% and accelerating CI/CD deployment cycles. Containerized services with Docker/Kubernetes and automated deployments with Terraform/CloudFormation, ensuring cloud consistency and reliability. Optimized system throughput with Redis caching and Kafka queues, improving data retrieval performance by 40%. Mentored engineers on Java design patterns, microservices architecture, cloud-native development, and AI integration, boosting team efficiency by 12%. Partnered with product managers, QA, and DevOps teams to define roadmaps, prioritize features, and deliver releases on time. Implemented security best practices, including input validation, role-based access control, and secure API design, improving compliance for enterprise clients.

Developed Java/Spring Boot microservices supporting 50,000+ monthly transactions, integrating ERP (SAP) and CRM (Salesforce) systems. Built dynamic Angular and React dashboards with TypeScript, improving page load times by 12% and enabling real-time analytics for operational teams. Designed REST and GraphQL APIs and modular services, improving maintainability and enabling rapid feature expansion. Implemented caching and message queues with Redis and Kafka, improving throughput by 25% and reducing latency. Optimized MySQL/PostgreSQL databases and queries, improving transaction speed and scalability. Integrated AI-assisted document parsing and automated data extraction, improving invoice/order accuracy by 18% and reducing manual review effort. Automated deployments and managed cloud infrastructure with Docker, Kubernetes, and AWS, decreasing deployment errors by 40% and improving uptime to 99.5%. Implemented logging, monitoring, and error-handling frameworks, ensuring operational reliability. Developed backend services to collect, aggregate, and analyze sales, inventory, and order data from multiple sources for retail and wholesale clients. Built interactive dashboards in Angular and React, with charting and reporting tools for business users, improving decision-making speed by 20%. Developed data pipelines and ETL processes, integrating transactional data into reporting modules, improving data reliability and consistency. Applied unit, integration, and end-to-end testing with JUnit, Mockito, and Cypress, increasing test coverage and reducing production defects. Collaborated with product owners and stakeholders to define requirements, prioritize features, and deliver 6 major releases on schedule.