[Remote] Backend Engineer 1

Note: The job is a remote job and is open to candidates in USA. DUPR is a leading market player in the sports technology industry, known for its pioneering algorithm and ratings application. The Backend Engineer I will be responsible for backend engineering on DUPR's server-side systems, focusing on building and maintaining Kotlin/Spring Boot services while providing technical support to B2B integration partners. Responsibilities Back-End Development: Develop and maintain Kotlin/Spring Boot services that power DUPR's platform Database Management: Work with PostgreSQL as the primary datastore, including writing and reviewing Liquibase migration scripts Cloud Infrastructure: Work alongside senior engineers with AWS services including SQS (async messaging), S3 (file storage), EventBridge (event routing), and RDS (managed PostgreSQL) B2B Partner Support: Triage and debug integration issues reported by external B2B partners Integration of User-Facing Elements: Collaborate with front-end developers to integrate client-facing features with server-side logic, ensuring smooth coordination across the stack Code Optimization: Contribute to improving the performance and scalability of existing backend features, providing implementation feedback in design discussions and code reviews Debugging and Troubleshooting: Identify and resolve bugs and bottlenecks in backend systems, working methodically to understand root causes and deliver durable fixes Learning and Growth: Actively develop skills in Kotlin, Spring Boot, AWS, and backend best practices Skills Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience 1–2 years of professional backend development experience Hands-on experience with Kotlin, or strong JVM language depth (Java or Scala) with a clear commitment to working in Kotlin Experience with Spring Boot or a comparable server-side framework Working knowledge of relational databases (PostgreSQL preferred) and RESTful API design Experience with Git and collaborative development workflows Strong problem-solving skills and the ability to communicate clearly with both technical and non-technical stakeholders Must be authorized to work in the United States Experience or interest in functional and/or reactive programming Experience with AI-assisted coding tools such as Claude Code or GitHub Copilot Interest or hands-on experience building user-facing features that leverage LLMs or AI APIs Knowledge of pickleball or rating systems Company Overview Dupr is the pickleball's Most Accurate Global Rating System. It was founded in 2021, and is headquartered in Austin, Texas, USA, with a workforce of 11-50 employees. Its website is