Saptyadeep Bhattacharjee profile photo 1 on Tal

Saptyadeep Bhattacharjee

Full Stack Engineer @ Techolution | Knight @Leetcode (Top 5.74%) | React + Next + MongoDB + FAST API + NodeJs + Typescript + Javascript

Kolkata

4+ years of work experience

Techolution
Mar 20242 yrs 6 mosPresent

Designed and maintained versioned REST APIs using Node.js, Express.js and MongoDB for authentication, user management, and real‑time services, supporting 2M+monthly requestswhile ensuring backward compatibility across multiple client applications. Implemented distributed caching usingRedis and asynchronous event‑drivenworkflowswithKafka, reducing database load by 55%, improving API response times by 70%, and increasing background job throughput by 60%. Developed secure authentication, authorization, and real‑time communication services using JWT, WebSockets, and Node.js, sup‑porting 10K+ concurrent connectionswith low‑latency messaging. Containerized backend applications using Docker and orchestrated deployments with Kubernetes, reducing deployment time by 75% and improving release reliability through automated CI/CD pipelines. Developed comprehensive unit and end‑to‑end tests using Jest and Playwright, achieving 85%+ test coverage and reducing produc‑tion regressions by 55%.
Techolution
Jul 20239 mosMar 2024

Developed backend APIs usingNode.js, Express.js, MongoDB, and REST APIs for cross‑platformmobile applications, reducing appli‑cation startup time by 40% and improving user engagement by 25%. Implemented secure authentication, API validation, and offline synchronization workflows supporting Android and iOS clients with 99.5% API reliability.
Apr 20232 mosMay 2023

Burdwan, West Bengal, India

• Lead a team of 11 developers and designers to make the fest registration website under record time of 1 month, guided the team to extensively use Git and GitHub. • Made the NodeJs APIs for User Authentication and Authorisation, events, Galleries and EmailVerification, integrated swagger UI, password Hashing. • Developed the User Story, Data Models and Microservice Architecture. Got 1000+ Registered Users, email verified.
Coding Junction
Jan 20239 mosSep 2023

Burdwan, West Bengal, India

Mentoring 10+ students in Data Structures and Algorithms. Upsolve leetcode contests with them regularly.
Jul 20225 mosNov 2022

Bengaluru, Karnataka, India

Developing the Reactjs front-end from scratch, including UI components and asynchronous api calls and features .Used redux for centralized state management. Dockerized the application and deployed using Kubernetes and gcp. Integrating with the microservices and developing Nodejs API microservice.
Jul 20225 mosNov 2022

Designed scalable REST APIs usingNode.js andMongoDB for authentication, booking, notifications, andmedical records, improving API performance by 55%, while integrating them into responsive applications built with Next.js, TypeScript and Zustand.

Saptyadeep’s AI Stack

antigravity
antigravity
claude code
claude code
codex
codex

Education

University Institute of Technology, The University of Burdwan

B.E., Information Technology

University Institute of Technology, The University of Burdwan

20204 yrs2024
Council for the Indian School Certificate Examinations

High School Diploma, PCM

Council for the Indian School Certificate Examinations

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Headline

Full Stack Engineer @ Techolution | Knight @Leetcode (Top 5.74%) | React + Next + MongoDB + FAST API + NodeJs + Typescript + Javascript

About

Saptyadeep is a Full Stack Engineer known for delivering pixel-perfect UIs and building reliable, maintainable systems. He is a fast learner, highly adaptable, and self-motivated to tackle complex technical challenges with precision and drive.

Location

Kolkata

AI stack

antigravity

claude code

codex

Work experience

Full Stack Engineer at Techolution, Mar 2024 - Present · 2 yrs 6 mos, Designed and maintained versioned REST APIs using Node.js, Express.js and MongoDB for authentication, user management, and real‑time services, supporting 2M+monthly requestswhile ensuring backward compatibility across multiple client applications. Implemented distributed caching usingRedis and asynchronous event‑drivenworkflowswithKafka, reducing database load by 55%, improving API response times by 70%, and increasing background job throughput by 60%. Developed secure authentication, authorization, and real‑time communication services using JWT, WebSockets, and Node.js, sup‑porting 10K+ concurrent connectionswith low‑latency messaging. Containerized backend applications using Docker and orchestrated deployments with Kubernetes, reducing deployment time by 75% and improving release reliability through automated CI/CD pipelines. Developed comprehensive unit and end‑to‑end tests using Jest and Playwright, achieving 85%+ test coverage and reducing produc‑tion regressions by 55%.

Software Engineer Intern at Techolution, Jul 2023 - Mar 2024 · 9 mos, Developed backend APIs usingNode.js, Express.js, MongoDB, and REST APIs for cross‑platformmobile applications, reducing appli‑cation startup time by 40% and improving user engagement by 25%. Implemented secure authentication, API validation, and offline synchronization workflows supporting Android and iOS clients with 99.5% API reliability.

Technical Lead at WALTZ UIT 2K23, Apr 2023 - May 2023 · 2 mos, Burdwan, West Bengal, India, • Lead a team of 11 developers and designers to make the fest registration website under record time of 1 month, guided the team to extensively use Git and GitHub. • Made the NodeJs APIs for User Authentication and Authorisation, events, Galleries and EmailVerification, integrated swagger UI, password Hashing. • Developed the User Story, Data Models and Microservice Architecture. Got 1000+ Registered Users, email verified.

DSA Mentor at Coding Junction, Jan 2023 - Sep 2023 · 9 mos, Burdwan, West Bengal, India, Mentoring 10+ students in Data Structures and Algorithms. Upsolve leetcode contests with them regularly.

Software Engineering Intern at Softnerve Technology Private Limited, Jul 2022 - Nov 2022 · 5 mos, Bengaluru, Karnataka, India, Developing the Reactjs front-end from scratch, including UI components and asynchronous api calls and features .Used redux for centralized state management. Dockerized the application and deployed using Kubernetes and gcp. Integrating with the microservices and developing Nodejs API microservice.

Software Engineer Intern at Softnerve Technology, Jul 2022 - Nov 2022 · 5 mos, Designed scalable REST APIs usingNode.js andMongoDB for authentication, booking, notifications, andmedical records, improving API performance by 55%, while integrating them into responsive applications built with Next.js, TypeScript and Zustand.

Education

B.E., Information Technology, University Institute of Technology, The University of Burdwan

High School Diploma, PCM, Council for the Indian School Certificate Examinations