> Markdown version of [/jobs/ext/4457789-senior-software-engineer-trading-systems](https://www.wearedevelopers.com/jobs/ext/4457789-senior-software-engineer-trading-systems). 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 Software Engineer, Trading Systems - **Company:** Eliassen Group - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $156,000.0 - $176,800.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Algorithmic Trading, Amazon Web Services, C++ (Programming Language), Databases, Continuous Integration, Software Design Patterns, Linux, Financial Information EXchange, Github, Python (Programming Language), Apache Maven, Performance Tuning, Software Deployment, GitHub Copilot, KDB+, Information Technology, Low Latency, IBM UrbanCode Deploy, Apache Kafka, Jenkins, Artifactory - **Published:** October 2, 2026 - **Apply:** https://www.disabledperson.com/jobs/75657579-senior-software-engineer-trading-systems ## About the Role Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance., * 10+ years of hands-on software design and development experience. * Expertise in Java, C/C++, Python, and Linux. * Deep experience with low-latency messaging systems such as 29West or Kafka. * Proficiency with KDB+ or other time-series databases. * 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, including order management. * Understanding of the FIX protocol and FIX engines. * Familiarity with AI developer assist tools such as GitHub Copilot. * Experience with CI/CD tools including GitHub, Maven, Jenkins, Artifactory, and uDeploy. * Hands-on experience deploying applications to AWS or other cloud platforms. * Ability to analyze end-to-end systems to identify performance, scalability, and resilience bottlenecks. * Strong analytical, communication, and organizational skills. * Ability to manage multiple tasks and work in a collaborative team environment. * Self-driven innovation and comfort working with leadership. * Willingness to support production systems and participate in on-call rotations, including occasional weekend support. Education Requirements * Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent. ## Description * Architect and develop distributed, event-driven trading systems optimized for low latency and high throughput. * Design and implement asynchronous processing frameworks and resilient messaging services. * Collaborate with internal and external teams to deliver robust, end-to-end electronic trading workflows. * Lead platform-wide performance tuning and optimization initiatives. * Mentor engineers and promote engineering best practices. * Support production and non-production environments, including participation in a weekly on-call rotation.