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BAPPADITYA SINHA

BAPPADITYA SINHA

Java Backend Developer

Kolkata, West Bengal, India 7+ yrs exp 90 ยท Outstanding

About

Java Backend Developer with 2.2 years of industry experience building Spring Boot applications, REST APIs, PostgreSQL databases, and AWS-based microservices, backed by 4 years of R&D experience in Network Systems. Experienced in Docker, CI/CD, Redis, OAuth2, and cloud deployment, with a strong foundation in networking, system performance, and distributed systems.

Skills & Expertise (26)

Microservices Advanced
8.5/10
4
Years Exp
GitHub Advanced
8.0/10
6
Years Exp
Docker Advanced
8.0/10
4
Years Exp
AWS Advanced
8.0/10
4
Years Exp
GitHub Actions Advanced
8.0/10
4
Years Exp
REST APIs Advanced
8.0/10
4
Years Exp
Spring Boot Advanced
8.0/10
4
Years Exp
React.js Advanced
8.0/10
4
Years Exp
System Design Advanced
7.5/10
4
Years Exp
Java Advanced
7.5/10
6
Years Exp
Kubernetes Advanced
7.5/10
2
Years Exp
SOLID principles Advanced
7.0/10
4
Years Exp
Postgresql Advanced
7.0/10
4
Years Exp
OAuth2 Advanced
7.0/10
4
Years Exp
Kafka Intermediate
6.5/10
2
Years Exp
JWT Intermediate
6.5/10
2
Years Exp
Python Intermediate
6.5/10
3
Years Exp
LINUX Intermediate
6.5/10
3
Years Exp
MySql Intermediate
6.5/10
4
Years Exp
Redis Intermediate
6.0/10
2
Years Exp
CSS Intermediate
6.0/10
6
Years Exp
HTML Intermediate
6.0/10
6
Years Exp
MongoDb Intermediate
5.5/10
2
Years Exp
Spring AI Intermediate
5.5/10
2
Years Exp
Typescript Intermediate
5.0/10
2
Years Exp
Gen AI Intermediate
5.0/10
1
Years Exp

Work Experience

Software Developer

Independent

Nov 2024 - Present

Developed and deployed full-stack applications using React.js, Spring Boot, PostgreSQL, Docker, GitHub Actions, and AWS, strengthening expertise in microservices architecture, secure API development, CI/CD, and cloud deployment. Completed advanced training in AWS architecture, Kubernetes orchestration, Kafka event streaming, Microservices design patterns through structured hands-on projects. Strengthened expertise in system design, CI/CD pipeline automation, and cloud infrastructure management through daily practical implementation.

Application Developer

Sujosu Technology Pvt. Ltd.

Sep 2022 - Oct 2024

Built scalable Java, Spring Boot, React.js, and PostgreSQL applications, improving performance by 30%. Developed AWS-based microservices with Lambda and API Gateway, reducing backend latency by 30%. Automated CI/CD pipelines using GitHub Actions and Docker, decreasing deployment time by 25%. Optimized backend APIs with Redis caching and query tuning, increasing throughput by 40%. Implemented OAuth2 and SSO authentication, enhancing application security and access management.

Research Fellow

Jadavpur University

Jan 2018 - Dec 2021

Developed Python-based TCP/UDP communication modules, reducing network latency by 25%. Applied compression and error-correction techniques, improving transmission reliability and efficiency. Optimized Linux system performance by implementing advanced protocol testing, reducing critical errors by 35% and improving application stability by 25%.

Education

M.Tech in Computer Technology - Jadavpur University

- 2022 ยท Afghanistan

B.Tech in Electronics & Communication Engineering - Uem, Jaipur

- 2017 ยท Afghanistan

Certifications

No certifications added yet

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Profile Score Breakdown

๐Ÿ“ท Photo 10/10
๐Ÿ“„ Resume 10/10
๐Ÿ’ผ Job Title 10/10
โœ๏ธ Bio 10/10
๐Ÿ› ๏ธ Skills 20/20
๐ŸŽ“ Education 10/10
โฑ๏ธ Experience 15/15
๐Ÿ’ฐ Rate 0/5
๐Ÿ† Certs 0/5
โœ… Verified 5/5
Total Score 90/100

Profile Overview

Member sinceSep 2026

Availability Details

Visa Status

Citizen

Relocation

Depends on Offer