Senior Software Engineer, AI Products

Job Summary

About this role

We are looking for a Senior Software Engineer with 4-15 years of experience to join Brillian as a core builder of AI-native financial intelligence products. You'll work alongside a small, senior team to transform manual accounting workflows into intelligent backend systems — bringing a scientific, experimental mindset to high-stakes AI engineering problems.

What will you be doing?

• Building agentic AI systems (looping, orchestration) that power customer-facing product features in production
• Taking messy financial data sets and building programmatic pipelines to model and extract insights from them
• Owning features end-to-end: from articulating the user need through to production deployment, monitoring, and iteration
• Designing and running rigorous evaluations to measure whether AI approaches are moving the needle
• Converting what's traditionally done manually in accounting into automated backend services

Key Requirements

• Proven track record shipping production code — strong software engineering fundamentals are non-negotiable
• Experience building AI/agentic systems in production at scale (not just side projects or prompt wrappers)
• Scientific, experimental approach to development — rigorous evaluation of AI outputs and ability to get stakeholder buy-in
• End-to-end ownership mentality; startup experience or evidence of taking things from zero to one
• Production-grade Python skills with backend service development experience.

Work experience

• Must have Hands-​on experience with ML/AI implementation including building agentic workflows and AI-​native product features -​ multi-​step orchestration,​ evaluations,​ not just API wrappers
• Must have Deep backend engineering experience,​ data-​dense domain like document parsing or financial data.
• Must have experience with Elixi.
• Must have Owned work end-​to-​end that created real user value or customer impact
• Must have US-​based,​ NY Metro preferred

Education

* Academic or research background in ML/Data Science

Skills

• Early-​stage startup experience,​ ideally experiencing a degree of growth;​ valuation accounting preferred
• Required Experience writing production code in Python
• Required Scientific,​ experimental approach to engineering — uses rigorous evaluations to measure progress and communicate results to stakeholders.

Pay: $200,000.00 - $250,000.00 per year

Application Question(s)

• What stage companies are you prioritizing in your search, and why?
• Will you require visa sponsorship now or in the future?
• What is your Notice period and LinkedIn Profile ?
• Tell us about a time you built an agentic system or AI-native feature in production. How did you evaluate your approach against alternatives and know you were moving the needle in the right direction?
• What is your salary expectation?

Education

* Bachelor's (Preferred)

Experience

* production Python, AI/ML systems ideally at startups: 4 years (Required)

Location

* New York County, NY (Required)

Work Location: Hybrid remote in New York County, NY