Software Developer — Cloud, DevOps, Backend

Hola,
I'm Debajyoti
Saha

Welcome to my portfolio website! Explore my projects and get to know me better. Feel free to check out my contact links for more details or potential collaborations.

See the work Get in touch

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01 — About

Tech enthusiast building systems that scale

Fig. 01 — Practice areas

01Cloud & DevOps

I'm a tech enthusiast passionate about Cloud, DevOps, and Backend Development. I have experience working with tools like Rust, AWS, Docker, Kubernetes, Terraform to build scalable and efficient systems.

02Backend

In Backend Development, I specialize in Node.js, Express, MongoDB, and microservices architecture, ensuring robust and high-performance applications.

03Web

In Web Development, I work with Next.js, React, TypeScript, and Tailwind CSS to build modern and interactive user experiences.

04Mobile

I have past experience in building Mobile Applications using Flutter, leveraging Dart, Firebase, BLoC, Provider, and SQLite for seamless cross-platform development.

02 — Experience

Work Experience

Chainrisk

2 yrs 7 mosRemote

Cloud & InfraFull-time

Aug 2024 – Present · 2 yrs 1 mo · Remote

Built a TEE-attested Proof-of-Reserves system for Real-World Assets on AWS Nitro Enclaves. Designed a concurrent ZK-proof API (Circom + snarkjs) with bounded concurrency to prove asset reserves, binding Merkle commitments directly to hardware attestations (verifiable to AWS Root CA).
Provisioned production AWS infrastructure as code (Terraform) — RDS PostgreSQL (multi-AZ), WAF, KMS, ALB, CloudWatch auto-scaling — backing a real-time DeFi protocol.
Developed a Retrieval-Augmented Generation (RAG) backend utilizing Weaviate vector search and OpenAI to deliver accurate DeFi insights via Discord bot integrations.
Architected and shipped several interactive partner community dashboards from scratch to production using NextJS.

Amazon Web Services (AWS)Cloud Computing

Software EngineerPart-time

Feb 2024 – Aug 2024 · 7 mos · Remote

Worked on distributed risk-simulation control plane in Rust, orchestrating millions of parallel Monte Carlo simulations across an auto-scaling fleet of AWS Fargate (ECS) workers.
Took entire ownership of frontend workloads from the first day, driving end-to-end development and ensuring seamless user experiences.

Amazon Web Services (AWS)Rust

DryFi Laundry

Nov 2023 – Mar 2024 · 5 mosKolkata, West Bengal, India · Hybrid

Software EngineerFull-time

Nov 2023 – Mar 2024 · 5 mos · Kolkata, India · Hybrid

Built the Admin Dashboard for efficient monitoring and orders management
Built the POS from scratch to cater the Laundry Business
Built Mobile App for Delivery Person using React Native

Next.jsTypeScript

ClueLess Community

Feb 2022 – Jun 2024 · 2 yrs 5 mosKolkata, West Bengal, India · Remote

Co-FounderSelf-employed

Feb 2022 – Jun 2024 · 2 yrs 5 mos · Kolkata, India · Remote

Clueless is a developer community that builds developer tools with the power of open source. We believe in the vision “Learn and Grow” and encourage & guide enthusiasts to dive deep into the world of open source.

03 — Selected work

Projects

All repositories

Featured — Backend

FlexAuth

Flexauth is a flexible, blazingly fast, and secure auth system that you can use for your project/company. Need to add a specific feature as you need? Change the code as you like and deploy it on your servers.

RustMongoDBDockerKubernetes

MamaVault

Mama vault is a utility management application for pregnant women. It helps you manage your documents, reach your caring ones in one tap, and keep your memories safe.

FlutterDartGo

Socially

This is a Social Media made with flutter & firebase. In this project Firebase Auth, Firebase Firestore and Firebase Storage is used to make it a realtime social media mobile Application.

FlutterDartFirebaseProvider

Skribble Multiplayer Game

This is Multiplayer Flutter app built with MongoDB, NodeJS and Socket.io. Here one player has to draw inorder to explain a certain Word where the other has to guess. Atlast the one who guesses right with time, Wins.

FlutterDartSocketNodeJSMongoDB

BookLee

Booklee is a Web App, to sell and donate your second hand books at a minimal price or free of cost to help a needy learner, learn and grow more. This made it to the Finals of Microsoft Imagine Cup 2022

ReactNextJSAzureMapboxTailwind

Clueless Official Website

This is Clueless official website where you can make your developer profile as well as meet new people across the world.

TypescriptNextJSMUIFirebaseGCP

Smart Naka

It is an Flutter application to facilitate police officers with Nakas in a more convenient way. With this We won Ethos - a national level hackathon oraganised by IIT Guwahati.

FlutterDartOpenCVAWSYolo v5

04 — Capability

Technologies

I've worked with a variety of technologies in Web Development, Mobile App Development, and Backend Development.

Front-EndReact, Next.js, Flutter, Dart, TypeScript, React-Native

Back-EndNodeJs, Rust, Firebase, MongoDB, GCP

Cloud & DevOpsAWS, GCP, Docker, Kubernetes, Terraform

UI/UXFigma, Adobe XD

Let's
Connect

debajyotisaha14@gmail.com

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Hola,I'm DebajyotiSaha