{"schemaVersion":"jobsearcher.job.v1","id":"e1c7c0ab99c8f77a0f1c4f8d","url":"https://jobsearcher.com/jobs/e1c7c0ab99c8f77a0f1c4f8d","canonicalUrl":"https://jobsearcher.com/jobs/e1c7c0ab99c8f77a0f1c4f8d","title":"Principal Software Engineer","description":"We're hiring on behalf of a Haystack partner!The Role• Lead and advise on the design, development, and delivery of trading software initiatives.• Build and maintain high-performance trading systems, leveraging expertise in C++ and the FIX protocol.• Modernize trading solutions by driving the adoption of new technologies and best practices.• Provide technical thought leadership for sophisticated software applications vital to trading activities.• Lead code reviews and knowledge sharing to uphold excellence and advance team capabilities.• Mentor and support the software engineering team, improving application performance, scalability, and reliability.What You'll Need• Minimum of 6 years of relevant work experience, with a strong focus on C++ (modern standards).• Extensive experience with the FIX protocol (Financial Information eXchange).• Proven track record in designing, developing, and maintaining high-performance, low-latency trading systems.• Strong understanding of multithreading, concurrency, and performance optimization.• In-depth knowledge of electronic trading systems and financial markets.• Demonstrated ability to lead and mentor cross-functional engineering teams.What's On Offer• Competitive annual salary of $144,000 - $210,000, plus potential for a discretionary incentive award.• Comprehensive benefits program including medical and other benefits.• Opportunity to work on mission-critical trading systems in a fast-paced environment.• Chance to influence and adopt new technologies and best practices in trading engineering.Apply via Haystack today!","company":"Haystack","rawCompany":"haystack","city":"Atlanta","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-09-20T07:04:01.454Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Software Engineer","description":"We're hiring on behalf of a Haystack partner!The Role• Lead and advise on the design, development, and delivery of trading software initiatives.• Build and maintain high-performance trading systems, leveraging expertise in C++ and the FIX protocol.• Modernize trading solutions by driving the adoption of new technologies and best practices.• Provide technical thought leadership for sophisticated software applications vital to trading activities.• Lead code reviews and knowledge sharing to uphold excellence and advance team capabilities.• Mentor and support the software engineering team, improving application performance, scalability, and reliability.What You'll Need• Minimum of 6 years of relevant work experience, with a strong focus on C++ (modern standards).• Extensive experience with the FIX protocol (Financial Information eXchange).• Proven track record in designing, developing, and maintaining high-performance, low-latency trading systems.• Strong understanding of multithreading, concurrency, and performance optimization.• In-depth knowledge of electronic trading systems and financial markets.• Demonstrated ability to lead and mentor cross-functional engineering teams.What's On Offer• Competitive annual salary of $144,000 - $210,000, plus potential for a discretionary incentive award.• Comprehensive benefits program including medical and other benefits.• Opportunity to work on mission-critical trading systems in a fast-paced environment.• Chance to influence and adopt new technologies and best practices in trading engineering.Apply via Haystack today!","datePosted":"2026-09-20T07:04:01.454Z","dateModified":"2026-09-20T07:04:01.454Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Atlanta","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"e1c7c0ab99c8f77a0f1c4f8d"},"url":"https://jobsearcher.com/jobs/e1c7c0ab99c8f77a0f1c4f8d"}}