> Markdown version of [/jobs/ext/2959983-software-engineer-payments-fintech](https://www.wearedevelopers.com/jobs/ext/2959983-software-engineer-payments-fintech). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Software Engineer - Payments/Fintech

- **Company:** KAREN KNIGHT CONSULTING LLC
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Relational Databases, DevOps, PostgreSQL, Node.Js, Payment Gateway, Next.js, Systems Integration, Backend, Api Gateway, Serverless Computing
- **Published:** September 17, 2026
- **Apply:** https://computerjobs.com/us/en/mob/job/CB00D0911FE8B5A38D

## About the Role

* Around 5 years' experience as a backend/full-stack engineer, ideally with some Front End exposure (Node.js/Next.js)
 * Payments or fintech background essential. Exposure to card payments, PSPs, acquiring, or scheme/issuer processing
 * Strong AWS experience (serverless, API Gateway, relational databases; Postgres/Aurora)
 * Comfortable working independently, with real ownership rather than a rigid ticket queue
 * Bonus: familiarity with PayFac, ISO, or payment gateway architecture

## Description

* Designing and building on AWS using serverless-first architecture
 * Working across the stack: APIs, data, integrations, and infrastructure
 * Integrating third-party services; payment processors, KYC/KYB providers, fraud platforms, banking APIs
 * Building secure, PCI-aware systems fit for a regulated payments environment
 * You won't be building everything solo. Third-party engineering teams handle a lot of the heavy infrastructure/DevOps build, so you're directing and reviewing that work rather than carrying it all yourself

What's in it for your

 * Genuine equity/options, a real stake in the business, not a token gesture
 * Direct access to and mentorship from the CTO, not buried in a large engineering org
 * Real scope for growth as the team scales
 * The chance to shape a modern engineering function


## Related Videos

- [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform)
- [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js)
- [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio)
- [APIs and Architecture for scaling omnichannel payments](https://www.wearedevelopers.com/videos/90-apis-and-architecture-for-scaling-omnichannel-payments)
- [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment)
- [Fintech Rebellion: How Developers Are Disrupting the Future of Commerce](https://www.wearedevelopers.com/videos/596-fintech-rebellion-how-developers-are-disrupting-the-future-of-commerce)

## Related Articles

- [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)
- [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)