> Markdown version of [/jobs/ext/3798453-senior-fs-java-api-aws](https://www.wearedevelopers.com/jobs/ext/3798453-senior-fs-java-api-aws). 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 FS Java API AWS - **Company:** Kforce Inc. - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Databases, Continuous Integration, Software Design Patterns, Linux, Financial Information EXchange, Github, Python (Programming Language), Apache Maven, Enterprise Messaging Systems, Software Deployment, Software Engineering, GitHub Copilot, KDB+, Information Technology, Low Latency, IBM UrbanCode Deploy, Apache Kafka, Jenkins, Artifactory - **Published:** October 17, 2026 - **Apply:** https://www.kforce.com/find-work/search-jobs/#/detail/MTY5Nn5BUUd-MjE5MTYzNFQxfjk5/ ## About the Role * Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent * 10+ years of hands-on software design and development experience * Expertise in Java, Python, and Linux * Deep experience with low latency messaging systems (e.g., 29West, Kafka) * Proficiency in KDB+ or other time-series databases * Strong background in building scalable, distributed, asynchronous, and event-driven applications * Advanced knowledge of low latency design patterns and performance optimization techniques * Experience with Capital Markets or Brokerage systems, especially order management * Solid understanding of the FIX protocol and FIX engines * Worked with AI developer assist tools (e.g. GitHub Copilot) * Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy * Hands-on experience deploying applications to AWS or other cloud platforms ## Description Kforce has a client that is seeking a Senior FS Java API AWS in Jersey City, NJ. Duties Include: * Design and implement asynchronous processing frameworks and resilient messaging services * Collaborate with internal and external teams to deliver robust, end-to-end trading workflows * Lead performance tuning and optimization efforts across the platform * Mentor junior engineers and promote engineering best practices * Support production and non-production environments, including participation in a weekly on-call rotation