SHIVAM KUMAR SINGH
Software Engineer | Java Backend Developer | Fintech | Pay10.India. | Spring Boot | Microservices | PPI | API Integration
Ghaziabad,UP
Work Preference
Summary
Java Backend Developer with 4+ years of experience in designing and developing scalable backend applications using Java, Spring Boot, and Microservices. Experienced in building enterprise-grade FinTech solutions including PPI Wallet, Payment Gateway, UPI-NPCI integrations, Merchant Payout, and Open Banking platforms. Skilled in developing secure RESTful APIs, event-driven systems using Apache Kafka, OAuth2 authentication, AES encryption, SQL/NoSQL databases, and production support for high-volume transaction processing systems.
Overview
4
4
Years of professional experience
Work History
Software Engineer PPI
Pay10 India Pvt. Ltd.
New Delhi
03.2024 - Current
- Backend application development using Java, Spring Framework, Hibernate, and RESTful APIs for enterprise web applications.
- Developed scalable backend services using Java and Spring Framework.
- Designed and implemented RESTful APIs following industry best practices.
- Integrated relational databases using Hibernate and Spring Data JPA.
- Developed reusable backend components to improve development efficiency.
- Collaborated with Frontend Developers and QA teams for successful feature delivery.
- Performed debugging, application maintenance, and performance optimization.
- Investigated and resolved production issues to improve system reliability.
- Participated in Agile Scrum ceremonies and sprint planning.
- Developed robust, scalable, modular and API-centric infrastructures.
- Collaborated with management, internal and development partners regarding software application design status and project progress.
- Designed and developed forward-thinking systems that meet user needs and improve productivity.
- Tested functional compliance of company products.
- Reviewed code and debugged errors to improve performance.
- Built databases and table structures for web applications.
- Conducted data modeling, performance and integration testing.
- Proved successful working within tight deadlines and a fast-paced environment.
- Corrected, modified and upgraded software to improve performance.
- Documented software development methodologies in technical manuals to be used by IT personnel in future projects.
- Coordinated deployments of new software, feature updates and fixes.
- Tested and deployed scalable and highly available software products.
- Designed and implemented scalable applications for data extraction and analysis.
- Developed conversion and system implementation plans.
- Created proofs of concept for innovative new solutions.
- Estimated work hours and tracked progress using Scrum methodology.
Java Backend Developer
Cantik Technology Pvt Ltd ( Parent Wipro.Ltd )
01.2023 - 03.2024
Java Backend Developer
Appsquadz Software Pvt. Ltd.
01.2022 - 12.2022
Education
Bachelor of Computer Applications (BCA) - Computer Application
Mewar Institute of Management
Ghaziabad 06.2018 - 06.2021
Skills
- Java
- SQL
- Core Java
- OOP's
- Collections Framework
- Multithreading
- Exception Handling
- Java 8 Features
- Spring Boot
- Spring MVC
- Spring Data JPA
- Hibernate
- Microservices
- REST APIs
- Apache Kafka
- Git
- GitHub
- Maven
- Postman
- JUnit
- Apache
- Tomcat
- IntelliJ IDEA
- STS
- Windows
- MySQL
- PostgreSQL
- MongoDB
- OAuth 20
- JWT
- AES Encryption