Vishal Kumar Singh

Software Engineer

Bengaluru, Karnataka, India2 yrs 11 mos experience

Key Highlights

Proficient in Java and Spring Boot for backend development.
Expertise in designing scalable microservices and RESTful APIs.
Strong experience with database optimization and performance enhancement.

Stackforce AI infers this person is a Backend Developer specializing in Fintech and enterprise-grade applications.

Contact

Skills

Core Skills

JavaSpring BootMicroservicesRedisOauthKafkaHibernateMultithreadingJunitGit

Other Skills

AWS LambdaAmazon EC2Amazon ECSAmazon Relational Database Service (RDS)Amazon Web Services (AWS)Apache KafkaCore JavaData StructuresDockerEurekaGitlabJSON Web Token (JWT)Postman APIProblem SolvingPython (Programming Language)

About

Java backend developer with 2+ years of professional experience, specializing in building scalable and high-performance backend systems. Proficient in Java, Spring Boot, Hibernate, and JPA, with expertise in designing RESTful APIs and microservices. Skilled in database management using PostgreSQL, Redis, and MySQL, optimizing query execution and enhancing system efficiency. Experienced in implementing secure authentication protocols such as JWT and OAuth and leveraging cloud services like AWS (EC2, Elastic Beanstalk, ECS, Lambda, RDS) to deliver robust solutions. Adapt at using tools like Docker, Git, IntelliJ IDEA, Postman, and Swagger for development and deployment. Known for improving application performance through advanced multithreading techniques and automated testing using JUnit, ensuring code reliability and maintainability. A collaborative team player with a track record of driving innovation and delivering impactful results in enterprise-grade applications.

Experience

2 yrs 11 mos

Total Experience

1 yr

Average Tenure

10 mos

Current Experience

Natwest group

Software Engineer

Aug 2025 – Present · 10 mos · Bengaluru, Karnataka, India · On-site

P2p system

Software Engineer

Aug 2024 – Apr 2025 · 8 mos · Bengaluru, Karnataka, India · Remote

Developed RESTful APIs and business features in Java and Spring Boot, improving system reliability by 20%.
Spearheaded the microservices architecture design, slashing deployment time by 15% and significantly boosting maintainability.
Leveraged Redis caching to optimize performance, accelerating data retrieval by 40% and reducing database load by 25%.
Integrated OAuth for secure user authentication, ensuring 100% compliance with data protection standards.
Implemented real-time credit scoring using Kafka, reducing decision-making latency by 30% .

JavaSpring BootRESTful APIsMicroservicesRedisOAuth+1

Siemens digital industries software

2 roles

Software Engineer

Jul 2023 – Jul 2024 · 1 yr · On-site

Led the design and development of mission-critical Java-based backend systems, spearheading
architectural decisions and ensuring scalability, reliability, and maintainability of enterprise
applications.
Implemented cutting-edge RESTful APIs using Spring Boot, orchestrating seamless communication
among microservices and enhancing system scalability by 35% .
Engineered highly performance database interactions through the integration of Hibernate ORM,
resulting in a 25% reduction in query execution time and optimizing overall system responsiveness.
∗ Utilized advanced multithreading and concurrency techniques in Java to optimize application
performance, achieving a 30% increase in processing speed and enhancing system efficiency.
Pioneered the implementation of comprehensive automated testing strategies using JUnit, ensuring
robust code quality and minimizing defects by 40%.
Collaborated closely with cross-functional teams to drive product innovation, leveraging agile
methodologies to deliver high-impact features and enhancements, resulting in a 20% boost in user
satisfaction and engagement.
Championed version control practices using Git and actively participated in code reviews, maintaining
codebase integrity and fostering a culture of continuous improvement.

JavaSpring BootRESTful APIsHibernateMultithreadingJUnit+1

Software Engineer Intern

Jan 2023 – Jun 2023 · 5 mos · On-site

Developed and maintained a high-performance Java-based backend system, enhancing the
functionality and reliability of enterprise applications.
Implemented RESTful APIs using Spring Boot, facilitating seamless communication between
microservices and improving system scalability by 35%.
Optimized database interactions by integrating Hibernate ORM, resulting in a 25% reduction in query
execution time.
Utilized multithreading and concurrency techniques in Java to enhance application performance,
achieving a 30% increase in processing speed.
Developed automated unit and integration tests using JUnit, improving code quality and reducing
bugs.
Collaborated with cross-functional teams to design and implement new features, contributing to a
20% increase in overall user satisfaction.
Utilized Git for version control and participated in peers code reviews, ensuring best practices and
maintaining complete codebase integrity.