> Markdown version of [/jobs/ext/2708134-backend-java-developer](https://www.wearedevelopers.com/jobs/ext/2708134-backend-java-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 Developer - **Company:** Intersources Inc. - **Location:** Columbus, OH, United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Spring Security, Application Programming Interfaces (APIs), Apache Tomcat, Software Quality, Continuous Integration, Data Retrieval, Java Database Connectivity, Spring Framework, Apache Maven, MyBatis, OAuth, SQL Databases, Data Streaming, Test-Driven Development (TDD), System Availability, Spring-boot, Backend, Event Driven Architecture, Gitlab-ci, Information Technology, Apache Kafka, Reactive Programming, Graphql, Data Management, Docker, Confluent - **Published:** September 4, 2026 - **Apply:** https://www2.jobdiva.com/portal/?a=62jdnw10t7d77ytz0lbaey9qxonk3b05a9tqw96rb7z6hlfo7xj79l9g6mp6aj2o&compid=0/jobs/26071581#/jobs/26071581 ## About the Role With Kafka, Spring WebFlux, and GraphQL Expertise (3-5 years experience) Location: LATAM | 100% Remote We are looking for a talented Backend Java Developer who is proficient in working with Kafka, Spring WebFlux, and GraphQL. This role requires a balance of skills in these three key areas, enabling our team to build responsive, efficient, and scalable backend services., * 3-5 years of experience in backend development, specifically with Java, Kafka, Spring WebFlux, and GraphQL. * Bachelor's degree in Computer Science, Engineering, or a related field. * Strong understanding of reactive programming concepts and their application in Spring WebFlux. * Proven experience in designing and implementing GraphQL APIs. * Excellent problem-solving skills and the ability to work independently or as part of a team. * Strong communication and collaboration skills. By joining our team, you will play a pivotal role in shaping our backend architecture, utilizing your expertise in Kafka, Spring WebFlux, and GraphQL. We offer an environment where innovation is valued, and your contributions will directly impact the success of our projects. ## Description * Develop and maintain backend services using Java with Spring Boot (2.7 or higher), incorporating robust security practices with Spring Security (5.x preferred). Understanding of Oauth and JWT is a plus. * Design and implement APIs using GraphQL to optimize data retrieval and manipulation in a flexible, efficient manner. * Understanding of reactive programming techniques and ability to utilize Spring WebFlux for building non-blocking, reactive applications and enhancing system responsiveness and resilience. * Manage Kafka-based event-driven architectures, including event streaming, topic creation, configuration, and Spring Boot integration with Kafka. * Hands-on experience creating custom Kafka producers and consumers using Java and Spring Boot for effective message processing and handling. * Gain familiarity with Confluent Cloud to enhance our Kafka implementation (preferred). * Strong understanding of implementing and maintaining data management solutions with MyBatis, JDBC, and SQL. * Efficiently deploy applications on Tomcat, ensuring high availability and performance. * Use Maven for dependency management and Docker for containerization of applications. * Proficient in Docker and Kubernetes for container orchestration and application scaling. * Adhere to test-driven development practices to ensure code quality and maintainability. * Experience in developing CI pipelines using GitLab CI and managing deployments with Helm is preferred. ## Related Videos - [Rethinking Reactive Architectures with GraphQL ](https://www.wearedevelopers.com/videos/121-rethinking-reactive-architectures-with-graphql) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Back(end) to the Future: Embracing the continuous Evolution of Infrastructure and Code](https://www.wearedevelopers.com/videos/440-back-end-to-the-future-embracing-the-continuous-evolution-of-infrastructure-and-code) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)