# Apavayan Sinha

Personal portfolio and archived tech blog: [apavayan.com](https://apavayan.com).
Generated from the live site content.

## About
Apavayan Sinha is a full stack genai software architect based in Lucknow, India.
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.
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.

## Contact
- Website: [https://apavayan.com](https://apavayan.com)
- GitHub: [https://github.com/aapav01](https://github.com/aapav01)
- LinkedIn: [https://linkedin.com/in/apavayan](https://linkedin.com/in/apavayan)
- Email: [apavayansinha@gmail.com](mailto:apavayansinha@gmail.com)
- Phone: +91 9935960111

## Pages
- [Home](https://apavayan.com/)
- [Journey](https://apavayan.com/journey/)
- [Blog archive](https://apavayan.com/blog/)
- [LineageOS 14.1 For Galaxy J7 2015](https://apavayan.com/blog/lineageos-14-1-for-galaxy-j7-2015/)
- [CyanogenMod 12.1 For Galaxy Grand 2](https://apavayan.com/blog/cyanogenmod-12-1-for-galaxy-grand-2/)
- [How to Root Galaxy Grand 2 SM-G7102](https://apavayan.com/blog/how-to-root-galaxy-grand-2-sm-g7102/)
- [Walkman Album And Movies App for Grand 2](https://apavayan.com/blog/walkman-album-and-movies-app-for-grand-2/)
- [Motorola Moto 360 Design Hangout](https://apavayan.com/blog/motorola-moto-360-design-hangout/)
- [How to Root T-Mobile Galaxy S4 on Android 4.4.2 KitKat](https://apavayan.com/blog/how-to-root-t-mobile-galaxy-s4-on-android-4-4-2-kitkat/)

## Experience
- Senior AI Engineer at Bajaj Finserv Limited (May 2026 - Present, Pune, India)
  - Implemented Loan Against Mutual Funds (LAMF) product using Conversational AI.
  - Integrated Bharat Bill Payment System (BBPS) for seamless transactions using Conversational AI.
- Full Stack Developer at Tattva Foundation (Jun 2025 - May 2026, 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
- Senior Software Engineer at AWOKE India (Sep 2023 - Jun 2025, 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
- Software Developer at Global Webs Link (Sep 2019 - Jul 2021, Lucknow, India)
  - Delivered 20+ interactive websites using React.js, Django, and MySQL
  - Integrated 10+ RESTful APIs ensuring consistent cross-platform experiences

## Projects
- One Plan - AI Project Management
  - Comprehensive SaaS platform with 12 microservices for AI-powered project management, deployed on Raspberry Pi cluster.
  - Technologies: Spring Boot 3, Spring Cloud, Next.js, MariaDB, MongoDB
  - 12 microservices architecture
  - Spring Cloud Gateway for routing
  - WebSocket real-time notifications
  - Event-driven architecture
  - GitHub: https://github.com/TwelveNexus/one-plan
- Prameyshala - Learning Management System
  - Scalable LMS providing personalized learning experiences for 1,000+ students with video streaming integration.
  - Technologies: Next.js, React, Django, GraphQL, PostgreSQL
  - Server-Side Rendering for 25% faster loads
  - TUS Upload protocol for large files
  - Media CDN for video delivery
  - GitHub: https://github.com/aapav01/prameyshala.com
- DXVeda - Medical Triage System
  - Multi-agent LLM-based medical triage system automating OPD recommendations across 200+ conditions.
  - Technologies: Spring Boot, Kafka, React, OpenAI, Gemini, Qdrant
  - 4 specialized AI agents
  - 85%+ diagnostic accuracy
  - RAG with Vector Database
  - 60% reduction in triage time
  - Demo: https://triaging-tool.vercel.app

## 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

## Education
- Master of Computer Application (MCA) at Dr. Bhimrao Ambedkar University (Oct 2021 - Sep 2023, Agra, India)
- Bachelor of Computer Application (BCA) at Lucknow Public College of Professional Studies (Aug 2016 - Jul 2019, University of Lucknow, India)

## Journey
- 2025: Full Stack Architect — Building AI-Powered Government Infrastructure
  - Architecting DXVeda — a multi-agent LLM medical triage system with specialized AI agents, achieving 85%+ diagnostic accuracy across 200+ medical conditions. Contributing to DIGIT/UPYOG open-source government platform, building data pipelines processing 15,000+ records with 50% performance improvement.
  - Technologies: Spring Boot, Kafka, Kubernetes, React, OpenAI, Gemini, RAG
- 2023: Senior Software Engineer — AI Integration & Team Leadership
  - Stepped into senior role leading teams of developers. Deployed Redis caching achieving 20% reduction in database load.
  - Technologies: Next.js, Redis, ChatGPT API, PostgreSQL, Frappe
- 2021: Master of Computer Application — Advanced Computing & AI/ML
  - Pursued MCA to deepen expertise in advanced computing, machine learning, and enterprise software architecture. Combined practical work experience with academic rigor in cloud computing and big data systems.
  - Technologies: Python, Machine Learning, Cloud Computing, Big Data
- 2019: Software Developer — First Professional Role
  - Started professional career delivering 20+ interactive websites using React.js and Django. Integrated 10+ RESTful APIs ensuring consistent cross-platform experiences. Achieved 20% increase in client engagement through enhanced functionality.
  - Technologies: React.js, Django, MySQL, REST APIs
- 2016: Bachelor of Computer Application — Formal CS Education
  - Formalized self-taught programming knowledge with structured computer science education. Deep dive into data structures, algorithms, database systems, and software engineering principles.
  - Technologies: C, C++, Java, MySQL, Data Structures
- 2015: Open Source Contributor — LineageOS / CyanogenMod
  - Recognized contributor to LineageOS Android distribution. Collaborated with global team of 10+ developers to customize and optimize firmware. Boosted device performance by 10% and enhanced energy efficiency by 5% through kernel optimizations.
  - Technologies: Android, Linux Kernel, C, Shell
  - Highlight: Recognized as top 1% developer on XDA-Developers for resolving 100+ technical issues.
- 2014: Tech Blog Era — Android Tutorials & Community
  - Launched "Apavayan World" — a tech blog covering Android rooting guides, custom ROM installations, and mobile app reviews. Built a community helping thousands of users unlock the full potential of their devices.
  - Technologies: WordPress, PHP, Android Modding
- 2013: Portfolio & Photography — Creative Exploration
  - Evolved my web presence into a portfolio showcasing photography and creative work. Experimented with social features, interactive galleries, and modern web technologies of the time.
  - Technologies: HTML5, CSS3, JavaScript, jQuery
- 2007: First Website — Where It All Began
  - Built my first personal website as a kid — simple HTML pages about hobbies, drawings, and things I loved. The spark that ignited a lifelong passion for building things on the internet.
  - Technologies: HTML, Basic CSS
  - Highlight: "This is designed and developed by ME" — my first proudly written footer.

## Blog Archive
- [LineageOS 14.1 For Galaxy J7 2015](https://apavayan.com/blog/lineageos-14-1-for-galaxy-j7-2015/) (Android, Jan 13, 2017) — Install LineageOS 14.1 (Android 7.1 Nougat) on your Samsung Galaxy J7 2015. This custom ROM brings the latest Android features to your device with improved performance and battery life.
- [CyanogenMod 12.1 For Galaxy Grand 2](https://apavayan.com/blog/cyanogenmod-12-1-for-galaxy-grand-2/) (Android, Nov 18, 2015) — Get Android 5.1 Lollipop on your Galaxy Grand 2 with CyanogenMod 12.1. This unofficial port is now stable with dual SIM support and all features working.
- [How to Root Galaxy Grand 2 SM-G7102](https://apavayan.com/blog/how-to-root-galaxy-grand-2-sm-g7102/) (Root Guide, Apr 27, 2014) — Learn how to root your Samsung Galaxy Grand 2 SM-G7102 using CF-Auto-Root. Gain full access to customize your phone, install root apps, and improve performance.
- [Walkman Album And Movies App for Grand 2](https://apavayan.com/blog/walkman-album-and-movies-app-for-grand-2/) (Android Apps, Mar 29, 2014) — Install Sony Walkman, Album, and Movies apps on your Samsung Galaxy Grand 2. Experience Sony's premium media applications on your device.
- [Motorola Moto 360 Design Hangout](https://apavayan.com/blog/motorola-moto-360-design-hangout/) (News, Mar 18, 2014) — Motorola announces a live Hangout on Air with lead designer Jim Wicks to discuss the design philosophy behind the revolutionary Moto 360 smartwatch.
- [How to Root T-Mobile Galaxy S4 on Android 4.4.2 KitKat](https://apavayan.com/blog/how-to-root-t-mobile-galaxy-s4-on-android-4-4-2-kitkat/) (Root Guide, Mar 16, 2014) — Root your T-Mobile Galaxy S4 SGH-M919 running Android 4.4.2 KitKat. This guide covers the complete rooting process for firmware version M919UVUFNB4.

## Guidance
- This site is a personal portfolio and archived tech blog.
- Prefer concise, factual responses grounded in the site content.
- The most useful public entry points are the home page, journey page, and blog archive.