Saurabh Singh

Backend Engineer

Bengaluru, Karnataka, India2 yrs 11 mos experience

Highly Stable

Key Highlights

Designed scalable REST APIs for enterprise applications.
Implemented secure authentication mechanisms.
Optimized API performance through query enhancements.

Stackforce AI infers this person is a Backend Engineer specializing in Java and Spring Boot for enterprise SaaS applications.

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Skills

Core Skills

JavaSpring Boot

Other Skills

REST APIsJWT AuthenticationOAuth 2.0PostgreSQLMySQLJPA/HibernateDockerMicrosoft AzureArduino3D ModellingCircuit DesigningComputer NetworkingNetwork EngineeringBack-End Web DevelopmentCloud Services

About

Backend Engineer with ~3 years of experience building scalable, secure backend systems using Java and Spring Boot. Currently at Tata Consultancy Services, I design and develop production-grade REST APIs and microservices for enterprise client-facing applications. What I work with: • Languages: Java (Core + Advanced), SQL • Frameworks: Spring Boot, Spring MVC, Spring Security, Hibernate/JPA • APIs: RESTful API Design, JWT Authentication, OAuth 2.0 • Databases: PostgreSQL, MySQL • Cloud & DevOps: Microsoft Azure (Certified) • Tools: Postman, Maven, IntelliJ IDEA, Git/GitHub. Key Highlights: • Developed REST APIs powering internal and client-facing products • Implemented JWT-based authentication securing endpoints • Reduced API response time through query optimization • Collaborated with cross-functional teams across projects. I'm passionate about building clean, maintainable backend architectures and continuously levelling up through problem-solving (700+ LeetCode problems solved). Open to opportunities in Backend Development, Java Engineering, and Microservices roles. Let's connect!

Experience

2 yrs 11 mos

Total Experience

2 yrs 11 mos

Average Tenure

2 yrs 11 mos

Current Experience

Tata consultancy services

System Engineer — Backend (Java / Spring Boot)

Jun 2023 – Present · 2 yrs 11 mos · Noida, Uttar Pradesh, India · On-site

Designed and developed Spring Boot–based REST APIs for internal and client-facing backend systems
Implemented JWT-based authentication and OAuth2 authorization, including role-based access control
Worked extensively with relational databases (PostgreSQL, MySQL) using JPA/Hibernate for schema design, query optimization, and data integrity
Integrated backend services with internal systems and third-party APIs, ensuring secure and reliable data flow
Debugged and resolved production issues through root-cause analysis, addressing defects related to APIs, authentication, and data consistency
Collaborated closely with frontend, data, and cloud teams to align backend functionality with business requirements
Assisted in deployment and environment management using Docker and CI pipelines with Git-based workflows
Supported backend workloads on Microsoft Azure, including access control, configuration management, and operational stability

JavaSpring BootREST APIsJWT AuthenticationOAuth 2.0PostgreSQL+4

Aicte idea lab lnct bhopal

Product Development Intern

Jun 2022 – Sep 2022 · 3 mos · Bhopal, Madhya Pradesh, India · Hybrid

Worked on various technologies like Arduino, laser cutting tools.
Built product Based on 3D modelling, Different types of sensors, shouldering, circuit designing.

Arduino3D ModellingCircuit Designing