Skip to main content

Aiwyn

Software Engineer, Payments

Remote (US-based) (Remote)fulltimemidAdded 1 month ago

About this role

Join Aiwyn's payments platform team as a senior engineer to build reliable money-movement systems for accounting firms. You'll own the infrastructure behind invoicing, collections, and reconciliation while collaborating closely with domain experts to deliver mission-critical financial systems at scale.

What you'll do

  • Build and maintain services and infrastructure that process payments reliably and securely
  • Develop and extend APIs for payment processors, banks, and firm integrations
  • Partner with accounting and payments domain experts to translate business requirements into technical solutions
  • Own projects end-to-end from specification through shipping and scaling
  • Design systems that handle complex edge cases and ensure accuracy across jurisdictions
  • Iterate on confidence metrics and improve system reliability cycles

What they're looking for

  • 5+ years professional software engineering experience
  • Fintech and payments systems expertise
  • Full-stack capability (backend, frontend, infrastructure)
  • Experience bridging technical and non-technical domain experts
  • AI-native development fluency
  • Systems thinking in high-correctness environments
  • API design and integration experience
  • Financial systems and ledger knowledge

Benefits

  • Competitive compensation and meaningful equity
  • Remote work (US-based)
  • Real autonomy and ownership over systems you build
  • Direct, reflective leadership team open to debate
  • Work on consequential, industry-defining platform
  • Opportunity to shape accounting industry transformation
Apply with Autofill

Opens the application — the Jobs AI extension fills it for you. Set up autofill

Opens the official application on the employer’s site. No login required.

Aiwyn

Aiwyn builds a comprehensive SaaS platform for accounting firms, offering practice management tools and payments infrastructure to handle work tracking, billing, collections, and financial reconciliation. The company is hiring senior engineers and AI specialists to develop mission-critical systems and embed AI workflows across its platform.

View all jobs at Aiwyn

Likely interview questions

  • Walk us through a payment system you've built or significantly contributed to—what were the hardest correctness or edge case problems you solved, and how did you know you got it right?
  • Tell us about a time you had to bridge a gap between engineers and non-technical domain experts (finance, accounting, legal, etc.). How did you build shared understanding, and what broke down or worked surprisingly well?
Unlock all 7 questions free — and practice them live →