Senior Software Engineer - Backend
Content + Source + Freshness • 12 Dec 2025 • 95% confidence
Offer value
Good opportunity for experienced backend developers looking to impact a scaling fintech startup.
- Role in a scaling fintech startup with strong growth potential
- Focus on innovative product development
- Requires significant backend coding experience
- Ability to adapt to startup dynamics
Pros
- Potential impact in a fast-growing fintech environment
- Exposure to innovative AI-driven product development
- Supporting a mission of financial inclusion
Cons
- Small team may require wear multiple hats
- Startup environment can be volatile
- Competitive and aggressive recruiting landscape
Who it's for
Mid-Level / Senior • Remote
Good fit
- Experienced backend engineers
- Those passionate about fintech and innovation
- Developers wanting to explore AI applications
Not recommended for
- Entry-level candidates
- Individuals without backend experience
- Those preferring structured roles in large organizations
Motivation fit
Key skills
About the job
Bits is a UK based Fintech startup backed by Y Combinator that promotes financial inclusion. It currently does over $13 million in revenue a year, and is profitable, serving over 500,000 consumers in the US and UK. You will be joining a small engineering team (6-10 ppl) that are all about ownership and commitment. We are launching an exciting AI driven product globally and hiring engineers in USA for our new office on the west coast.
As a Backend Engineer you will:
Design, prototype and implement new features Work directly with our Engineering, Product and Design teams Help develop guidelines and best coding practices for our growing dev team See the effects of your work make real-world impact
Requirements: You'll be a great fit if you:
Have 5+ years of experience in software development Are highly proficient with JavaScript and/or Typescript Have 3+ years commercial experience with AWS (Api Gateway, SQS, DynamoDB, Lambda etc) Deliver clean, maintainable and testable code Know how to integrate with third party APIs Have experience writing automated tests Are proactive, a builder (vs maintainer) and own everything you ship Have good conversational and written English
Bonus points if you:
Have experience building SaaS products Have experience with IAC (AWS CDK)
Benefits: A competitive market salary Life insurance 28 days holidays/ year incl. UK/ England public & bank holidays Honestly, whatever else you want, within reasonable bounds Company Benefits
Interview Process
A quick introductory call A short take home technical challenge A final round to discuss your code, introduce you to our CEO and founder, plus other members of the team and business, and answer any questions you might have
