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Senior Fullstack Engineer

at Primis Talent

New York, onsite, senior, full time, 7+ years

posted 09 Jul 2026

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  • MUI
  • React Query
  • Fastify
  • Storybook
  • Node
  • Playwright
  • Vite
  • React

About the role

Senior Software Engineer | WealthTech Data Orchestration | NYC

Primis is partnered with a wealthtech startup building the first data orchestration platform for financial advisors. They sync client data across an advisor's entire tech stack, solving a painful, expensive problem that touches an $80T market. Backed by strong institutional investors, with real momentum and a fast-growing early team.

They're hiring a Senior Software Engineer to lead development of their early product, with heavy influence over architecture and the product roadmap.

What you would do

* Lead development on business-critical features: self-service onboarding, data blending and deconfliction, and digital account opening

* Play a large role in shaping technical vision and product roadmap as an early employee

* Help build and maintain a strong, enjoyable developer experience

* Ensure the product runs smoothly in production, using observability and monitoring tools to triage and resolve issues

* Help hire and mentor engineers as the team grows

What they are looking for

* 7+ years of engineering experience with a strong track record of shipping high-quality, high-complexity systems at scale

* Experience building high-quality, delightful user-facing web applications

* Experience working closely with a cross-functional product team

* Excited to primarily be an individual contributor with a high degree of ownership

* Comfortable operating in an early-stage, fast-paced environment with real ambiguity and agency

* Impact-driven, with a bias towards action and ownership

* Customer-centric approach and a fast working pace

* Experience building B2B software and/or fintech software

* Experience at seed or early-stage startups (for example, being a first-3 engineer at a company)

* Experience building and maintaining open source software

* Previously started a company or launched personal projects

* Experience with AI prompting, models, and tools, both in your own work and helping level up a team

Tech stack: React, Node, Fastify, MUI, React Query, Vite, Storybook, Playwright

Interested? Please apply for more info!

Read from primis-talent.com, last seen 3d ago.