> Markdown version of [/jobs/ext/4409159-senior-java-backend-developer](https://www.wearedevelopers.com/jobs/ext/4409159-senior-java-backend-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). --- # Senior Java Backend Developer - **Company:** ASM - **Location:** Sunnyvale, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Spring Security, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cloud Computing, Databases, Apache JMeter, Software Deployment, SQL Databases, Performance Testing, Large Language Models, Spring-boot, Software Security, Gatling, Generative AI, Backend, Kubernetes, Apache Kafka, Restful APIs, Docker, Jenkins, Microservices - **Published:** October 17, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-java-backend-developer-sunnyvale-ca--895c7a34-0ead-4081-9fd2-24bda86620d0 ## About the Role * Core Java * Spring Boot and Microservices * Apache Kafka * Spring Security and JWT * SQL (including window functions) * Jenkins, Docker, Kubernetes * Strong coding and problem-solving skills Nice to Have * JMeter or Gatling * Generative AI / LLM experience * Cloud experience (AWS, GCP, or Azure) ## Description Job Title: Senior Java Backend DeveloperLocation: Sunnyvale, CAExperience: 9+ yearsAbout the Role We are looking for an experienced Java Backend Developer to build and support microservices using Java, Spring Boot, and Kafka. You will develop APIs, process real-time events, and deploy applications using modern DevOps tools.ResponsibilitiesDevelop backend services and REST APIs using Java and Spring BootBuild Kafka producers and consumers for real-time event processingSecure applications using Spring Security and JWTWrite and optimize SQL queries and fix database issuesDeploy applications using Jenkins, Docker, and KubernetesRun performance tests using JMeter or GatlingIntegrate Generative AI / LLM features into backend servicesRequired SkillsCore JavaSpring Boot and MicroservicesApache KafkaSpring Security and JWTSQL (including window functions)Jenkins, Docker, KubernetesStrong coding and problem-solving skillsNice to HaveJMeter or GatlingGenerative AI / LLM experienceCloud experience (AWS, GCP, or Azure)