UST
Website:
ust.com
Job details:
Role Description
- Java Backend Developer - APIs & Testing
Job Summary
We are looking for a skilled
Java Backend Developer with strong experience in building
RESTful APIs and/or GraphQL services, along with solid knowledge of
testing frameworks. The role involves designing, developing, testing, and maintaining scalable backend services that support high-performance enterprise applications.
Key Responsibilities
Backend Development (Java)
- Design, develop, and maintain backend services using Java and related technologies.
- Build scalable, secure, and high-performance applications following best practices.
- Write clean, maintainable, and well-documented code.
- Participate in architecture and design discussions.
API Development (REST / GraphQL)
- Design and implement RESTful APIs and/or GraphQL APIs for frontend and third-party integrations.
- Ensure API reliability, security, versioning, and performance optimization.
- Collaborate with frontend and integration teams to define API contracts.
- Handle data serialization formats such as JSON and XML.
Testing & Quality Assurance
- Develop and execute tests using unit, integration, and functional test frameworks.
- Write automated tests using tools such as JUnit, TestNG, Mockito, or similar.
- Ensure high code quality through test coverage, code reviews, and static analysis.
- Debug and resolve defects across development and testing environments.
Collaboration & Delivery
- Work closely with product managers, architects, DevOps, and QA teams.
- Contribute to Agile/Scrum ceremonies such as sprint planning, stand-ups, and retrospectives.
- Adhere to secure coding standards and performance best practices.
- Support CI/CD pipelines and automation efforts.
Required Skills & Qualifications
- Strong proficiency in Java and object-oriented programming principles.
- Hands-on experience building RESTful APIs and/or GraphQL services.
- Good knowledge of test frameworks and automated testing practices.
- Familiarity with Spring / Spring Boot or similar Java frameworks.
- Understanding of HTTP, API security (OAuth, JWT), and microservices concepts.
- Experience with version control systems such as Git.
- Strong analytical, troubleshooting, and problem-solving skills.
Skills
api testing,testing frameworks,restful apis,unit testing,
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