Mamata Sahoo
Summary
Java Backend Developer with 4+ years of experience building scalable, secure, and high-performance applications using Spring Boot, Microservices, and REST APIs. Strong expertise in Java, SQL, and AWS Cloud with hands-on experience in real-world banking and enterprise applications.Testing
Overview
7
7
years of professional experience
3
3
Certifications
Work History
Data Science Intern
Herkey
Bengaluru
10.2025 - 03.2026
- Developed foundational skills in Java, SQL, and backend development.
Currently enhancing expertise in Python for data analysis and visualization.
Aspired to derive actionable insights from data to address real-world challenges.
Eager to embrace opportunities for learning and professional growth in data science.
Care Giving To Child
CAREER BREAK
02.2023 - 07.2025
- Planned family responsibility breaks to support team well-being and work-life balance.
- Upskilled in Spring Boot and microservices to strengthen technical expertise and adapt to industry demands.
- Mastered system design fundamentals to ensure robust application architecture.
- Developed multiple backend projects to enhance competitive edge and showcase technical skills.
Software Engineer
Foray Software Pvt Ltd
Bengaluru
06.2022 - 01.2023
- Developed scalable backend services using Java & Spring Boot in banking domain
- Built 5 +REST APIs for account and transaction management
- Integrated MySQL using Spring Data JPA & Hibernate
- Improved API response time by optimizing queries and indexing
- Participated in Agile ceremonies, code reviews, and sprint planning
Software Engineer
Larsen & Toubro Pvt Ltd
Hyderabad
12.2021 - 08.2022
- Optimized enterprise-level Java applications, enhancing system performance by 25%.
- Resolved production issues to improve backend stability.
- Collaborated with cross-functional teams within an agile framework for efficient project execution.
Technical Research Executive
Silicon Media Technology Pvt Ltd
Bengaluru
04.2019 - 11.2021
- Researched emerging technologies like cloud computing & Java frameworks
- Created technical reports and trend analysis
- Built strong analytical and documentation skills
Education
Master of Computer Applications -
Institute of Management And Information Technology
05-2018
Skills
Programming languages: Java, JavaScript, Python, SQL
Frontend development: HTML, CSS
Backend frameworks: Spring Boot, Spring MVC, Spring Data JPA, Hibernate, REST API design
Security: Spring Security, JWT authentication
Database management: MySQL, SQL (joins, indexing)
Cloud and DevOps: AWS (S3, EC2), Docker, CI/CD (GitHub Actions)
Tools and technologies: Git, GitHub, Maven, Postman, IntelliJ IDEA, Eclipse
Core concepts: Object-oriented programming (OOP), system design, SDLC
Logging and monitoring: SLF4J, Log4j
API integration: Third-party APIs, OpenAI API integration
Trending technologies: Spring AI integration
Certification
Microservices Certification – Infosys Springboard (2026)
Projects
E-Commerce Product & Order Management System
- Developed REST APIs for managing products and orders
- Implemented authentication and role-based access
- Used Controller, Service, and Repository layers
- Connected with MySQL database using JPA and Hibernate
Banking Management System (Spring Boot)
- Built APIs for account creation, fund transfer, and transactions
- Added validations like balance check and transaction handling
- Used Spring Boot, JPA, and Hibernate
- Improved performance by optimizing queries
Employee Management System
- Developed CRUD APIs for managing employee data
- Implemented validation and exception handling
- Used clean code structure and DTO pattern
- Optimized SQL queries for better performance
Task Manager / To-Do Application
- Developed APIs for task management
- Implemented pagination and sorting
- Used layered architecture
- Followed clean and simple code practices
Education
other
Timeline
Data Science Intern
Herkey
10.2025 - 03.2026
Care Giving To Child
CAREER BREAK
02.2023 - 07.2025
Software Engineer
Foray Software Pvt Ltd
06.2022 - 01.2023
Software Engineer
Larsen & Toubro Pvt Ltd
12.2021 - 08.2022
Technical Research Executive
Silicon Media Technology Pvt Ltd
04.2019 - 11.2021
Master of Computer Applications -
Institute of Management And Information Technology