Senior Full-Stack Engineer

Posted 4 Days Ago
Be an Early Applicant
Chicago, IL
Hybrid
135K-165K Annually
Senior level
Fintech • Software • Automation
Automate business bank switching
The Role
Lead development of the TypeScript stack, build and scale frontend and SDKs (Lit 3+), develop a custom web automation library, contribute to Rails backend, prototype and ship features, and integrate with fintech APIs.
Summary Generated by Built In

About InstaSwitch

InstaSwitch is the fastest way for banks and fintech platforms to activate new accounts, driving deposits and primary relationships. Businesses hesitate to switch accounts due to time and complexity, leading to lost primacy. InstaSwitch automates switching, seamlessly moving income sources, payroll, and spend with minimal effort.

Why This Role?

  • Greenfield Opportunity: We’re solving deeply technical, impactful problems that no one has cracked yet. You’ll be one of the first engineering hires, helping shape our product and solving critical problems.
  • Collaboration & Ownership: Move fast while maintaining a strong focus on reliability. You’ll work directly with the founding team to bring ideas to life and ensure a robust and scalable system.
  • Startup Energy: If you thrive in ambiguity and enjoy solving complex problems with adaptability and creativity, this is for you.
  • Bias Towards Action: We’re here to iterate, learn, and improve. If you enjoy taking initiative and making an impact, you’ll fit right in.

What You’ll Do

  • Own our TypeScript stack. Build, distribute, and scale our frontend and SDK using Lit 3+
  • Build and maintain our custom web automation library
  • Contribute to our backend infrastructure using Rails 7+
  • Rapidly prototype, test, ship, and iterate on new features
  • Contribute to technical strategy and engineering culture as part of a small, tight-knit team
  • Build seamless API integrations with fintech platforms

What We’re Looking For

  • 5+ years of experience in full-stack development
  • Proficient in TypeScript
  • Proficient in Lit, React, Next.js or equivalent framework
  • Experience building or maintaining front-end SDKs
  • Self-starter: you’re proactive and take initiative
  • Startup/small team experience: you enjoy working in dynamic, collaborative environments
  • Security minded approach to development
  • Strong execution mindset: you focus on outcomes and delivering results

Nice to Have

  • Conversant in Ruby or Python
  • Experience with Ruby on Rails, Django, Flask, or equivalent
  • Web automation expertise (Puppeteer, Selenium, AI-driven automation, etc.)
  • Experience building and distributing browser extensions (chrome, firefox, safari, etc.)
  • Fintech experience (banking APIs, payments infrastructure, etc.)
  • Experience with API integrations & SSO flows

Top Skills

Typescript,Lit 3,React,Next.Js,Front-End Sdks,Ruby,Ruby On Rails,Rails 7,Python,Django,Flask,Puppeteer,Selenium,Browser Extensions (Chrome,Firefox,Safari),Ai-Driven Automation,Api Integrations,Sso,Banking Apis,Payments Infrastructure
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The Company
5 Employees
Year Founded: 2024

What We Do

InstaSwitch helps financial institutions turn opened accounts into funded relationships through guided and self-serve switching.

Why Work With Us

InstaSwitch is a high-velocity engineering-driven company. We value ownership, integrity, clarity, grit, and the ability to learn fast. We're a team of creatives, problem-solvers, and industry veterans who believe you can move fast without breaking everything.

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