Demo

Senior Software Engineer

Haystack
York, NY Full Time
POSTED ON 9/27/2026 CLOSED ON 9/29/2026

What are the responsibilities and job description for the Senior Software Engineer position at Haystack?

We're hiring on behalf of a Haystack partner!


The Role

• Design, build, and operate large-scale, distributed security detection systems.

• Collaborate with applied scientists and security researchers to transform research outcomes into scalable, production-ready systems.

• Own the full software development lifecycle, from conception to maintenance.

• Conduct design and code reviews, providing feedback on architecture, integration, scalability, and performance.

• Operate in a highly available, customer-facing environment with on-call responsibilities.

• Participate in root cause analysis and implement long-term improvements.


What You'll Need

• 5 years of professional software development experience.

• 5 years of programming experience in at least one software language.

• 5 years of experience leading the design or architecture of new and existing systems.

• Experience as a mentor, tech lead, or leading an engineering team.

• Experience with the full software development lifecycle, including coding standards, code reviews, source control, build processes, testing, and operations.

• Experience with security frameworks, cloud computing and security, AI security, or threat intelligence is a plus.


What's On Offer

• Competitive annual salary ($184,900 - $250,200) plus potential for sign-on bonuses and stock units.

• Comprehensive benefits package including health insurance, 401(k) matching, and paid time off.

• Opportunities for career growth and mentorship within a supportive team environment.

• Work on cutting-edge security detection systems at a global scale.


Apply via Haystack today!

Salary : $184,900 - $250,200

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