Role description
We are looking for a Senior Software Engineer with 5+ years of experience in building enterprise-scale applications using microservices architecture. The ideal candidate must have strong hands-on expertise in developing REST-based microservices using Java (preferably Kotlin), implementing Kafka-based services, and writing unit tests and integration tests. The role requires solid knowledge of design and architectural patterns and the ability to contribute to scalable, maintainable backend systems.
Key Responsibilities
Design, develop, and maintain enterprise-grade microservices using Java (preferably Kotlin).
Build and expose RESTful APIs with proper versioning, validation, error handling, and documentation.
Develop and enhance Kafka-based services (producers/consumers) to support event-driven workflows and asynchronous processing.
Implement unit tests and integration tests to ensure high code quality and reliable releases.
Apply design and architectural patterns (e.g., layered architecture, hexagonal/clean architecture, CQRS where relevant) to ensure scalability and maintainability.
Collaborate with architects, product owners, QA, and DevOps teams to deliver features end-to-end in Agile teams.
Support troubleshooting and performance tuning in lower/production environments and participate in code reviews.
Must-Have Skills
5+ years of backend engineering experience in enterprise-level applications.
Strong hands-on experience developing microservices using Java (Kotlin preferred).
Strong hands-on experience building REST-based microservices / RESTful APIs.
Must have knowledge and hands-on practice of Unit Testing and Integration Testing (JUnit/Mockito, integration suites).
Good understanding of design patterns and architectural patterns for distributed systems.
Experience implementing Kafka-based services (event streaming, async messaging preferred).
Strong problem-solving, debugging, and ownership mindset.
Skills
Java,spring boot,microservices,API
About UST
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.
