Senior Software Engineer, AI Platform
- Level
- Senior
- Work type
- Hybrid · New York
Not stated in the posting: salary, visa.
Open. First seen 29 October 2026.
About the role
Avantos AI's standard text
Company Overview
Avantos AI is shaping the future of client relationship management by reimagining it through the lens of artificial intelligence. We are building the industry’s first AI-native operating system for financial services, transforming how firms onboard clients, deliver advice, and manage critical servicing workflows. Our platform consolidates fragmented data, automates complex processes, and embeds intelligent decision-making throughout every stage of the client lifecycle.
Supported by Bessemer Ventures and MIT’s investment arm, our team comprises execution-focused, design-driven, product-centric founders and leaders from Wharton, MIT, top design programs, and unicorn SaaS companies. We move swiftly, tackle deep industry challenges, and build technology that empowers users to take charge of their workflows.
If you thrive on client impact, innovative product design, and tackling complex problems, Avantos is the place for you.
About the Role
We’re looking for a Senior Full Stack Engineer with strong backend and applied AI experience to join our AI engineering team. You’ll productize and scale our intelligence platform while connecting its capabilities to the product.
Responsibilities
- Build and productize reusable AI platform capabilities for other engineering teams.
- Own backend services, APIs, and integrations, primarily in TypeScript with Go where needed.
- Deliver full-stack features connecting AI capabilities to React/Next.js product experiences.
- Improve scalability, reliability, and performance through sound architecture, testing, troubleshooting, and on-call participation after ramping.
- Use coding agents to accelerate delivery while maintaining ownership of planning, code quality, review, and validation.
- Collaborate across engineering, product, and design; communicate proactively, share ownership, and commit to team decisions.
Minimum Qualifications
- Senior-level experience shipping and owning production software at scale.
- Hands-on applied generative AI engineering experience building intelligence layers or AI-enabled products.
- Strong backend engineering and API design skills in TypeScript or another transferable language.
- Full-stack capability, including the ability to build and maintain modern web interfaces.
- Sound system design judgment across scalability, reliability, performance, and engineering tradeoffs.
- High autonomy and accountability, with clear communication and sound decisions in ambiguous environments.
Preferred Qualifications
- Experience with Python and/or Go.
- Experience with AI evaluations, integrity systems, or recommendation capabilities.
- Prior startup experience or experience productizing early-stage platforms.
- Financial-services, fintech, or data-intensive product experience.
What We Offer
- Competitive compensation + meaningful equity.
- Opportunity to shape and scale an AI platform for financial services.
- A culture optimized for engineering excellence, focus, deep work, and ownership.
What this role asks for
Particular to this role
Generative AI · TypeScript
Rare in Avantos AI's other 9 open postings.
Standard for software engineering roles
Python
Common in software engineering postings at any company.
66% of this description is written for the role. The rest is Avantos AI's standard text, folded away below.
Compared with Avantos AI's other open jobs.
The team: Engineering HIRES STEADILY
This role is one of 5 open in Engineering. 1 was posted in the last 30 days and the oldest in May: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Golang (5 of 5), JavaScript (3 of 5), Next.js (3 of 5), PostgreSQL (3 of 5), React (3 of 5), AWS (2 of 5), Python (2 of 5)
OTHER ROLES ON THIS TEAM
- Senior Software Engineer, Full-Stack posted May 27
- Software Engineer, Full-Stack posted May 27
- Software Engineer, Backend posted May 27
- Staff Data and Platform Engineer posted May 27
From the team and dates on Avantos AI's own job board.
Salary context
8 other open postings titled Senior Software Engineer, AI Platform state a salary: median USD 191,000 to USD 254,000 a year.
See Software Engineer salaries in New York →
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