Senior Full Stack Developer

Led the design and implementation of cloud-native backend platforms using Kotlin (Spring Boot, GraphQL) and Java, supporting high-throughput APIs and distributed workflows. Built and operated microservices across multiple stacks, including Node.js (NestJS) and Go, selecting languages based on performance, concurrency, and scalability requirements. Designed backend services integrating Python (FastAPI) for AI/LLM pipelines and Elixir-based services for concurrency-heavy, event-driven workloads. Developed and maintained frontend applications using React, Next.js, and Angular for internal tools and customer-facing dashboards. Designed and optimized data layers using PostgreSQL, MongoDB, Redis, and vector databases for real-time and analytical workloads. Deployed and operated systems on AWS using Docker, Kubernetes, and automated CI/CD pipelines.

Led backend development for multiple client platforms using Node.js (NestJS, Express), Java (Spring Boot), and C# / ASP.NET Core. Built modular APIs and backend services using PHP (Laravel) and Ruby on Rails for marketplaces, e-learning systems, and payment-enabled applications. Designed authentication, billing, and notification systems integrating third-party services such as Stripe, Firebase, and Twilio. Collaborated with frontend teams using React and Vue.js, defining API contracts and supporting real-time features. Optimized PostgreSQL and MongoDB queries to improve performance and scalability.

Developed enterprise-grade frontend applications using Vue.js, React, and TypeScript, delivering dashboards, CRM systems, and client portals. Built frontend modules using Angular for internal business tools and administrative interfaces. Integrated frontend applications with backend services built in Spring Boot, ASP.NET, and Laravel. Collaborated closely with backend engineers to refine API designs and improve frontend-backend data flows.

Developed backend services and REST APIs using Python (Django, Flask) and C# / .NET. Implemented backend logic in C++ for performance-sensitive processing components. Worked with relational databases and contributed to API integrations with frontend and mobile teams.