Staff Software Engineer, Full-Stack

Role Summary

A well-funded, Series A/B–and-beyond AI fintech platform — now at Series D — is hiring a Staff Software Engineer, Full-Stack to help shape a cutting-edge AI product built on large language models (LLMs). Sitting within a 51–200 person Engineering team in New York City (on-site) , you'll own major features across the stack, partner closely with Product and Customer Success, and push the boundaries of what AI-powered tooling can do for the financial services industry.

This is a high-impact, high-autonomy role for an engineer who thrives in fast-moving environments and cares deeply about craft, scalability, and user experience.

Visa sponsorship is not available for this role.

Responsibilities

• Shape product direction and own technical design for AI-powered features across the full stack.
• Deliver major product features end-to-end, from design through production launch.
• Build and maintain feedback loops with end users and the Customer Success team to continuously improve the product.
• Architect scalable systems and implement robust, performant software components.
• Ensure platform reliability, observability, and operational excellence for production services.
• Collaborate with cross-functional engineers and domain experts to solve complex, ambiguous problems.
• Iterate on UI/UX and product design to deliver experiences that delight users.

Requirements

• 5+ years of industry experience in full-stack software engineering, delivering production-grade web applications.
• Extensive experience with React and TypeScript for front-end development.
• Proven experience deploying production applications with Python , Next.js , NestJS , Docker , AWS , and Tailwind CSS .
• Hands-on experience adopting the latest framework features in production (e.g., React Server Components, streaming).
• Experience collaborating with product, design, and domain experts to architect scalable systems in a fast-paced environment.
• Bachelor's degree in Computer Science or equivalent practical experience.
• Strong CS fundamentals, self-motivated owner mindset, and exceptional attention to detail.
• Genuine enthusiasm for AI/LLM tooling and a demonstrated passion for early-stage or hyper-growth companies.

Nice-to-haves

• Background as an early engineer at a hyper-growth startup.
• Experience at a leading AI research institution or a world-class product organization.
• UI/UX and product design sensibility.
• Domain familiarity with financial services or fintech workflows.
• This role is on-site in New York City, NY . Remote or hybrid arrangements are not available. Visa sponsorship is not offered.