Santhiya Mittal

PSNA College of Engineering and Technology

B.E. Computer Science and Engineering · Computer Science and Engineering

August 1, 2015 – June 30, 2019

Matrimony.com

Contributing to backend services and database optimization using Node.js, TypeScript, GraphQL, and Redis

August 1, 2022 – Present

India

Future Trends LLC

Developed and deployed REST APIs and real-time applications for e-commerce and data analytics clients.

May 1, 2021 – July 1, 2022

India

Nextay Solutions Pvt Ltd

Worked on backend systems using Node.js and MongoDB, improving application efficiency and system stability.

June 1, 2019 – May 1, 2021

India

Matrimony Biodata

January 1, 2026 – Present

Led and worked hands-on with the backend team to build a scalable system Node.js with a microservices architecture, ensuring modularity and high availability. Implemented GraphQL to handle complex, optimized queries and reduce over-fetching. Improved performance and memory management with Java 17.Used MySQL for transactional data storage, Redis for caching and performance optimization, and Apache Solr for fast and efficient search capabilities. Integrated the Biodata application with Bharat Matrimony to enable real-time data synchronization.

MeraLuv

January 1, 2024 – December 31, 2025

Led and contributed hands-on to backend services for a large-scale American dating platform. Optimized API performance and query execution using GraphQL, improved response times with Redis caching, and handled high-traffic workloads with scalable service design. Integrated and maintained CI/CD pipelines using GitLab and Jenkins to automate build. Implemented Spring Boot microservices for authentication and orchestration. Prepared technical design documents, API contracts, and test case documentation following SDLC best practices. Utilized AI-assisted engineering workflows (ChatGPT / GitHub Copilot) to accelerate development tasks such as GraphQL resolver generation, unit test scaffolding, and debugging distributed service interactions. Developed responsive React dashboards for user analytics and platform insights. Developed Python automation scripts for database updates.

Luv.com

January 1, 2024 – December 31, 2025

Led backend architecture for a high-traffic dating platform using Node.js microservices. Designed optimized GraphQL schemas, implemented Redis-based distributed caching, and integrated Solr for high-performance search. Built real-time data synchronization pipelines to support high-concurrency workloads. Developed reusable React components using hooks to support scalable frontend modules with lazy loading and component memoization. Practiced Test-Driven Development (TDD) with strong unit and integration test coverage. Utilized AI-assisted development tools (GitHub Copilot) for resolver generation, test scaffolding, and debugging distributed services.

Bharat Matrimony Revamp

January 1, 2022 – December 31, 2023

Re-architected backend services using a Node.js microservices architecture and optimized database layers to improve scalability and maintainability. Enhanced GraphQL resolvers and backend workflows, resulting in a 40% performance improvement and significantly reduced application load times. Troubleshot UAT and production issues, performed root cause analysis and async APIs using FastAPI to handle concurrent requests efficiently and reduce latency.

Bitconia Lottery System

January 1, 2021 – December 31, 2022

Designed and developed a decentralized lottery DApp with smart contract integration. Implemented secure RNG-based winner selection and blockchain-backed prize distribution. Built backend services using a Node.js monolithic architecture to handle transaction validation, user management, and system integrity. Integrated blockchain event logs with Python (Django)-based services for eligibility verification, ensuring idempotent and fault-tolerant draw execution and FastAPI services for blockchain event handling and validation workflows with async processing. Developed a concurrent Go-based lottery engine using goroutines and worker pools to process high-volume participant validation and securely compute winners. Designed complex MongoDB aggregation pipelines for participant validation, draw eligibility filtering, and winner computation across large datasets, ensuring efficient query execution under high concurrency.

N2Coin

January 1, 2020 – December 31, 2021

Built an ICO presale and token management platform integrated with Binance Smart Chain. Developed Django REST APIs for token allocation and async transaction processing with ORM-based data modeling. Implemented Spring Boot microservices for authentication and orchestration, and integrated Kafka for event-driven transaction workflows. Designed secure wallet connectivity, vesting logic, and scalable contributor data management. Designed scalable MongoDB schema models for contributor transactions, token allocation, and vesting schedules, handling large presale datasets with optimized indexing and aggregation queries.

Doodem

January 1, 2020 – December 31, 2020

Developed Go-based backend services to handle subscription lifecycle management supporting pay-per-view (PPV) access. Spring Boot for subscription lifecycle and tip-based monetization. Implemented secure APIs, subscription management, and scalable backend services using a Node.js monolithic architecture to support reliable, creator-driven content delivery and Implemented JWT/OAuth2-based authentication

Phonoart

January 1, 2020 – December 31, 2020

Implemented a cart-less shopping system using QR code scanning and virtual currency payments. Designed a Node.js microservices-based backend to support seamless checkout flows and real-time transaction processing with high reliability.

Blockchain Firm

January 1, 2019 – December 31, 2019

Developed responsive, SEO-optimized marketing websites and dynamic web pages. Focused on performance, cross-browser compatibility, and clean UI for blockchain-focused products.