> Markdown version of [/jobs/ext/4580763-backend-java-api-developer](https://www.wearedevelopers.com/jobs/ext/4580763-backend-java-api-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Java API Developer - **Company:** Kasmo Inc - **Location:** Austin, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Microsoft Azure, Cloud Computing, Code Review, Databases, Continuous Integration, Software Debugging, DevOps, PostgreSQL, Node.Js, SQL Databases, Enterprise Software Applications, Spring-boot, Backend, Front End Software Development, Api Design, Restful APIs, Microservices - **Published:** November 5, 2026 - **Apply:** https://www.thejobnetwork.com/job/04f9e7ac-89e1-4508-a9c2-c17a81fbbded/backend-java-api-developer ## About the Role * Strong experience with Java * Spring Boot * REST APIs / RESTful Services * Microservices Architecture * API development and integration * Strong experience with SQL / PostgreSQL * Experience with Node.js is a plus * Cloud experience with AWS / Azure * CI/CD and DevOps practices * Strong troubleshooting and debugging skills * Experience designing and developing scalable backend applications ## Description * Design, develop, and maintain Java-based REST APIs and microservices. * Develop scalable and high-performance backend applications using Java and Spring Boot. * Integrate APIs with internal and external applications. * Work with databases including PostgreSQL/SQL. * Collaborate with frontend developers, architects, and business teams. * Participate in code reviews, testing, deployment, and production support. * Follow Agile development and CI/CD practices.