Senior Software Engineer
New York, onsite, senior, full time, 5+ years
posted 09 Jul 2026
- Distributed Systems
- Backend Architecture
About the role
Senior Software Engineer | AI Startup | NYC
Primis is partnered with a well-funded, early-stage AI startup in NYC building intelligent fraud detection software.
ARR is growing fast, they have enterprise logos, and they're backed by strong institutional investors. Small team, real ownership, meaningful equity.
They're hiring a Senior Software Engineer to own meaningful parts of the platform end-to-end.
What you would do
* Own features from design through deployment - pipelines, workflows, internal tooling, and core platform capabilities
* Build systems where correctness and reliability aren't optional
* Work directly with product and operations to turn real business needs into scalable software
* Mentor junior engineers and help raise the bar across the team through code reviews, on-call, and incident response
What they are looking for
* 5+ years building large-scale distributed systems in production
* Experience with high-reliability, high-accuracy, or high-security systems - you understand what it means when things can't be wrong
* Track record designing and launching backend architectures that serve multiple users and tenants at scale
* Able to move between rapid prototyping and production-grade development without losing either speed or quality
* Writes clearly, communicates well, and can hold a conversation with both engineers and non-engineers
* Self-starter who's energized by unsolved problems, not intimidated by them
* Strong collaborator - direct, open to feedback, and comfortable giving it
Interested? Please apply for more info!
ADVERT DISCLAIMER
Research indicates that men will apply to a role when they only meet 50-60% of the descriptions, however, when looking at women and other minority groups, they can look for up to a 99% match in order to apply to a role. If you feel you are a fit for our role, please still apply - don't worry if you don't tick every single box. We'd still love to hear from you. We encourage underrepresented talent to apply to all our roles and support accessibility needs.
* ##### Charlotte Boyle
* Charlotte
* +1 929 865 0149
Ready to work with us?
* I am looking to: Hire talent Find my role Join the team Get in touch
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