Hi, I'm

Apavayan Sinha

Full Stack GenAI Software Architect | 4+ Years Building Scalable Systems

I architect and build high-performance applications with modern technologies, specializing in React, Node.js, Spring Boot, FastAPI and AI/ML integrations.

About Me

Full Stack Developer with 4+ years of hands-on experience in Java Spring Boot, Node.js, React.js, Next.js, Python, and microservices architecture. Skilled in designing scalable systems, leading small teams, and delivering AI-powered solutions that drive measurable business outcomes.

I'm passionate about building systems that scale and mentoring developers. Currently focused on AI/ML integrations, microservices architecture, and contributing to open-source government platforms.

Location

Lucknow, India

Education

Master of Computer Application (MCA)

Dr. Bhimrao Ambedkar University

Bachelor of Computer Application (BCA)

Lucknow Public College of Professional Studies

Skills

Frontend

  • React 17/18/19
  • Next.js 14/15
  • Redux
  • Tailwind CSS
  • shadcn/ui
  • Micro-Frontend
  • TypeScript

Backend

  • Spring Boot 3
  • Spring Cloud
  • FastAPI
  • Node.js
  • Django
  • GraphQL
  • RESTful APIs

AI/ML

  • OpenAI API
  • Google Gemini
  • RAG Architecture
  • Qdrant Vector DB
  • LLM Orchestration
  • Multi-Agent Systems

Databases

  • PostgreSQL
  • MySQL/MariaDB
  • MongoDB
  • Redis
  • Firebase
  • Apache Kafka

DevOps

  • Docker
  • Kubernetes
  • AWS
  • Linux
  • Nginx
  • GitHub Actions
  • CI/CD

Experience

Jun 2025 - Present

Full Stack Developer

Tattva Foundation | Lucknow, India

  • - Architected DXVeda, a multi-agent LLM medical triage system with 85%+ diagnostic accuracy
  • - Built high-throughput data pipelines using Java Spring Boot with Kafka, reducing processing time by 50%
  • - Developed React micro-frontend with config-driven UI architecture
  • - Integrated Elasticsearch and Kibana for observability, improving debugging efficiency by 40%
  • - Contributed to DIGIT/UPYOG open-source government platform
Sep 2023 - Jun 2025

Senior Software Engineer

AWOKE India | Lucknow, India

  • - Deployed Redis caching achieving 20% reduction in database load
  • - Designed responsive UIs using React/Next.js, driving 35% increase in mobile traffic
  • - Created AI Proposal Generator with ChatGPT API, saving 30 minutes per email
  • - Led team of 2-3 developers and participated in architectural decision-making
Sep 2019 - Jul 2021

Software Developer

Global Webs Link | Lucknow, India

  • - Delivered 20+ interactive websites using React.js, Django, and MySQL
  • - Integrated 10+ RESTful APIs ensuring consistent cross-platform experiences

Get in Touch

I'm always open to discussing new projects, opportunities, or just having a chat about technology.