SAYAN DAS

Software Development Engineer

Kolkata, IN.

About

Full Stack Developer with hands-on experience in building scalable web and mobile apps using Next.js, React Native, and NestJS. Contributed to production-grade projects across Web3, GenAI, and real-time systems during internships and full-time roles.

Work

Metaborong

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Software Development Engineer

Nov 2024→ Present

Full time

Highlights

Developed a GenAI NDA platform and a Web3 staking portal using Next.js, NestJS, and Hasura GraphQL, contributing to 100% client retention and a major Web3 hackathon win.

Built a real-time Air Quality Monitoring system for a government body with Google Maps integration, visualizing 11+ parameters and enabling live updates every minute.

Leading backend development of an AI-driven R&D tool that analyzes GitHub/Web3 contracts, generating architectural diagrams and summaries using NestJS, MongoDB, and Gemini AI.

Parentheses Labs

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SDE Intern

Apr 2024→ Nov 2024

Highlights

Built the company's official website using Next.js and Prismic CMS, delivering a fully dynamic site with pixel-perfect Figma implementation and Framer Motion animations.

Developed a full-stack React Native app for sharing travel diaries with Appwrite backend and auth, and a responsive UI using Expo and Tamagui.

Contributed to a large-scale University Exam Portal with live proctoring, multi-role dashboards, and a custom code editor using Next.js, Zustand, Apollo Client, and Nhost (GraphQL + PostgreSQL).

Education

Academy of Technology

Bachelor of Technology Computer Science and Engineering Grade: 8.67

Awards

Ranked 4244 globally(among 300k+ participants) in TCS Codevita Season 11.

Won a Startup Pitch Deck(called Eureka) leading a team of 5 members, which was held at Academy of Technology.

Skills

Languages

Javascript, Typescript, Python, C, C++, JAVA(OOPs).

Frontend

NextJS, ReactJS, Zustand, Redux, React Native, Expo, Javascript, CSS, HTML.

Backend

ExpressJS, NestJS, Hasura (GraphQL backend), Appwrite, Firebase.

Databases

PostgreSQL, MongoDB, Redis.

Authentication

Firebase, Autho, Clerk, Appwrite.

CMS

Prismic, Strapi.

Tools

Git/Gituhb, Figma, Linux.

Projects

Xposure's website

Community Contribution

Summary

Developed a platform for a photography contest with seamless Razorpay payment gateway integration, reducing processing time by 40% and enhancing user experience.

Apertre 2.0

Community contribution

Summary

Developed a full-stack open-source event platform used by 1,500+ users with Next.js, NestJS, PostgreSQL, and Redis, featuring dynamic ticket generation and role-based access control.