Back to Developers
Santanu Singha

Santanu Singha

Java Web Developer

Kolkata, India 5+ yrs exp 80 ยท Excellent

About

No bio added yet

Skills & Expertise (50)

Core Java Intermediate
6.5/10
1
Years Exp
RESTful APIs Intermediate
6.5/10
1
Years Exp
Spring Framework Intermediate
6.3/10
1
Years Exp
JavaScript Intermediate
6.0/10
1
Years Exp
Web Applications Gemini Frontend Integration Gradle Gitlab Version Control TDD Clean Code Software Development Life Cycle Application Deployment Technical Documentation Security Best Practices Web Application Security OAuth API Gateway Kubernetes Cd pipelines GitHub Actions AWS cloud technologies GitHub Copilot Claude Code OpenAI Spring MVC Java 8+ Java 17+ Java 21 OOP Object-Oriented Programming Streams Lambdas Multithreading Collections Exception Handling JDBC Typescript Spring Security RESTful Web Services JPA relational databases SQL Server Oracle Queries Query Optimization HTML CSS

Work Experience

Technical Mentor & Software Engineer

Mallabhum Institute of Polytechnic

Aug 2024 - Present

Mentored 80+ junior engineers in Core Java, OOP, Spring Framework, Spring Boot, RESTful Web Services, Hibernate/JPA, and SQL across the SDLC, elevating proficiency by 70%. Coached learners in debugging, troubleshooting, clean and structured coding practices, technical documentation, and security best practices, strengthening analytical and problem-solving skills by 85%.

Freelance Software Engineer

Upwork

Dec 2023 - Present

Architected scalable and high-performance Java-based web applications using Core Java, Spring Boot, and Spring Framework, developing scalable backend services with RESTful APIs, achieving 100% client satisfaction. Engineered database structures and queries using SQL, MySQL, PostgreSQL, and Hibernate/JPA; wrote clean, efficient, reusable, and maintainable code, integrating backend services with frontend developers via HTML, CSS, and JavaScript, improving throughput by 70%. Debugged, troubleshot, and resolved application issues; optimized application performance, scalability, and reliability; participated in code reviews, technical discussions, and the complete Software Development Life Cycle (SDLC), leveraging AI-assisted tools (GitHub Copilot, Claude Code), reducing incident response time by 85%.

Software Engineer โ€“ Java Developer

LightFi India Pvt. Ltd. (CloudBankIN)

May 2023 - Oct 2023

Developed and maintained Java-based web applications with scalable backend services using Core Java, Spring Boot, and RESTful APIs, writing clean, efficient, reusable, and maintainable code following OOP principles. Constructed RESTful Web Services and APIs; designed and managed database structures and queries with MySQL, PostgreSQL, Hibernate/JPA; integrated backend services with frontend developers using HTML, CSS, JavaScript. Resolved application issues via debugging and troubleshooting; optimized application performance, scalability, and reliability; participated in code reviews, technical discussions, application deployment, monitoring, and maintenance, improving performance by 85%.

Education

B.Tech in Computer Science & Engineering - Mallabhum Institute of Technology (MAKAUT)

2018 - 2022 ยท Afghanistan

Certifications

No certifications added yet

Interested in this developer?

Profile Score Breakdown

๐Ÿ“ท Photo 10/10
๐Ÿ“„ Resume 10/10
๐Ÿ’ผ Job Title 10/10
โœ๏ธ Bio 0/10
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 80/100

Profile Overview

Member sinceSep 2026

Availability Details

Visa Status

Citizen

Relocation

Open to Relocation