# Senior Software Engineer, Full-Stack at Avantos

- Company: Avantos
- What the company does: Avantos is the AI native operating system for client management, delivering a new operating layer with AI agents that power onboarding, servicing, and growth while fitting seamlessly into your existing technology stack. Backed by Bessemer.
- Company website: https://avantos.ai/
- Type: Startups (AI role)
- Level: Senior
- Location: New York City
- Work setup: Remote
- Posted: 2026-05-27
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/avantos/bdbf36bd-44a7-4969-a3a6-d0837dc6e643
- Page: https://www.1752.vc/careers/jobs/avantos-senior-software-engineer-full-stack/

## About the role

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.

## What they're looking for

- 8+ years of engineering experience building production web applications
- Expert-level frontend depth — React + Next.js mastery (streaming, modern rendering patterns, state strategy)
- Proven ability to design high-performance, scalable, modern frontend systems with clarity and intentionality
- Solid backend competency — ideally Golang, but strong API design fluency is required
- Deep understanding of performance, caching, hydration, code splitting, bundling, deploy strategy, DX/UX tradeoffs
- Product and architecture instincts — you care about what should be built, not just how

Tags: Engineering