Java Backend Engineer | 10+ yrs | Spring Boot + Kafka | Docker/Kubernetes | Immediate Joiner | UST

UST; Bengaluru; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

UST is seeking a Senior Backend Developer in Bengaluru, India, to design and develop scalable backend services using Java and the Spring ecosystem. The ideal candidate should have a minimum of 10 years of Java experience, deep expertise in microservices architecture, and proficiency with SQL/NoSQL databases. Responsibilities include optimizing APIs, implementing CI/CD pipelines, and collaborating with cross-functional teams. Strong leadership and communication skills are essential for success in this role.

Qualifications

• Minimum 10 years of hands‑on experience in Java.
• Strong experience in the Spring ecosystem.
• Extensive experience with microservices architecture.
• Strong proficiency with SQL and NoSQL databases.
• Hands‑on expertise with Docker and Kubernetes.

Responsibilities

• Design and develop backend services using Java and Spring.
• Implement microservices with emphasis on scalability.
• Develop and optimize RESTful APIs.
• Collaborate with cross-functional teams.
• Drive code quality through reviews and mentoring.

Skills

Java 8+

Spring Boot

Microservices architecture

SQL and NoSQL databases

Docker

Kubernetes

Performance tuning

CI/CD tooling

Event-driven architecture

Tools

Jenkins

GitLab CI

Kafka

Job description

Candidates ready to join immediately can share their details via email for quick processing.

[e-mail]

Key Responsibilities

• Design and develop backend services using Java and the Spring ecosystem (Spring Boot, Spring MVC, Spring Data, Spring Security).
• Design and implement microservices with emphasis on scalability, resilience, and API contract integrity.
• Develop and optimize RESTful APIs, backend workflows, and data-processing components.
• Apply domain-driven design, clean architecture, and secure coding practices.
• Work with relational databases; ensure optimal schema design and query performance.
• Integrate services with messaging systems such as Kafka, RabbitMQ, or similar.
• Implement CI/CD pipelines, containerization (Docker), and orchestration (Kubernetes).
• Troubleshoot and resolve complex issues related to performance, concurrency, and scalability.
• Analyze and address performance bottlenecks across the stack, including code, database, and infra layers.
• Collaborate with cross-functional teams for requirements, architecture, reviews, and production support.
• Drive code quality through reviews, technical guidance, and mentoring junior engineers.

Required Skills

• Minimum 10 years of hands‑on experience in Java (Java 8+), including deep expertise in core language fundamentals, collections, concurrency, and JVM internals.
• Strong experience in the Spring ecosystem: Spring Boot, Spring Data, Spring Security, Spring Cloud.
• Extensive experience with microservices architecture and distributed system patterns.
• Proven ability to analyze and resolve performance bottlenecks using profiling tools and optimization techniques.
• Strong proficiency with SQL and NoSQL databases, including performance tuning and query optimization.
• Experience with event‑driven architectures and message brokers (Kafka preferred).
• Hands‑on expertise with Docker, Kubernetes, and cloud platforms (preferably Azure).
• Experience with CI/CD tooling such as Jenkins, GitLab CI, or GitHub Actions.
• Strong understanding of system design, design patterns, and architectural best practices.

Soft Skills

• Ability to lead technical design discussions and make decisions.
• Clear, structured communication and cross‑team collaboration.

Strong ownership mindset and focus on delivery excellence.