Java Backend Developer
UST
About the role
Role Description
At UST, we help the world’s best organizations grow and succeed through transformation. Bringing together the right talent, tools, and ideas, we work with our client to co-create lasting change. Together, with over 30,000 employees in 30+ countries, we build for boundless impact—touching billions of lives in the process. Visit us at www.ust.com
Job Description: Java Backend Developer
Job Title: Java Backend Developer
Location: Trivandrum / Pune
Experience: 5–10 Years
Mandatory Skills
- Java
- Spring Boot
- Microservices
- AWS / GCP
Roles & Responsibilities
- Design, develop, and maintain scalable backend services using Java and Spring Boot.
- Design and develop microservices-based applications following industry best practices.
- Build and document RESTful APIs, including request validation, error handling, API versioning, and documentation.
- Implement authentication and authorization using Spring Security, including OAuth 2.0/OIDC, JWT, and Role-Based Access Control (RBAC).
- Apply secure coding practices, including input validation, secure session handling, and protection against OWASP Top 10 security risks.
- Design data models and develop efficient database queries using JPA/Hibernate and relational databases.
- Write and maintain unit and integration tests using JUnit and Mockito, including tests for security configurations.
- Participate in peer code reviews and contribute to improving coding standards and overall code quality.
- Troubleshoot application defects and performance issues and contribute to Root Cause Analysis (RCA).
- Collaborate closely with frontend, QA, DevOps, and other engineering teams throughout the software development lifecycle.
- Contribute to CI/CD pipelines, Docker containerization, and application deployment processes.
- Support the deployment and operation of applications on AWS and/or GCP cloud environments.
Technical Skills
Core / Mandatory Skills
- Java
- Spring Boot
- Microservices
- AWS / GCP
Additional Technical Skills
- Spring Security
- RESTful APIs
- OAuth 2.0 / OIDC
- JWT
- Role-Based Access Control (RBAC)
- JPA / Hibernate
- Relational Databases
- JUnit
- Mockito
- Docker
- CI/CD
- Secure Coding
- OWASP Top 10
- API Design and Development
- Issue Analysis and Troubleshooting
Desired Profile
- 5–10 years of software development experience with strong expertise in backend development.
- Strong hands-on development experience with Java, Spring Boot, and Microservices architecture.
- Experience in designing and developing scalable and secure REST APIs and microservices.
- Hands-on experience with AWS and/or GCP cloud platforms.
- Good understanding of Spring Security, authentication, authorization, JWT, OAuth 2.0, and OIDC.
- Strong knowledge of relational databases and ORM frameworks such as JPA/Hibernate.
- Experience with automated testing using JUnit and Mockito.
- Exposure to Docker, CI/CD pipelines, and cloud-based deployment processes.
- Strong debugging, troubleshooting, and root-cause analysis skills.
- Good communication and collaboration skills with experience working across development, QA, DevOps, and frontend teams.
What We Believe
We’re proud to embrace the same values that have shaped UST since the beginning. Since day one, we’ve been building enduring relationships and a culture of integrity. And today, it's those same values that are inspiring us to encourage innovation from everyone, to champion diversity and inclusion and to place people at the centre of everything we do.
Humility
We will listen, learn, be empathetic and help selflessly in our interactions with everyone.
Humanity
Through business, we will better the lives of those less fortunate than ourselves.
Integrity
We honour our commitments and act with responsibility in all our relationships.
Equal Employment Opportunity Statement
UST is an Equal Opportunity Employer. We believe that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.
All employment decisions shall be made without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.
UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.
- To support and promote the values of UST.
- Comply with all Company policies and procedures
Skills
Java, Spring Boot, Spring Security, microservices, AWS/GCP
Eligibility & process
Who can apply
Employment type: Full-time
Skills & stack
Selection process
Details are shared by the recruiter after shortlisting.
Prep kit
20 resourcesStudy material 4
Company-specific guides 4
Likely coding questions 4
Round-wise strategy 4
Technical questions 5
Explain OOP (Object-Oriented Programming) principles with real-world examples in Java. Answer
What is the time and space complexity of QuickSort vs MergeSort? Answer
Explain the difference between SQL Indexing (B-Tree vs Hash) and when not to use an index. Answer
What happens under the hood when you enter a URL in a browser? Answer
What is the difference between REST and GraphQL APIs? Answer
Behavioural & HR questions 3
Highlight UST's market reputation, recent tech innovations, and how your skills in Java directly solve their team's objectives.
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
Competitive Package
Pune, India
Employment type: Full-time
