Senior Backend Engineer (Remote) at iwoca
Job Description
Senior Backend Engineer - Partner Tech
Department: Software Engineering and Tech
Location: London
Employment Type: FullTime
Senior Backend Engineer - Partner Tech Team
Hybrid in London / Remote within the UK
The Partner Tech team builds new features and optimises existing flows to provide the best possible experience for iwoca's partners and the customers they refer to us. These partners use iwoca’s Lending API to embed iwoca loans into their own customer journey. Partnerships are an important and fast-growing source of customers for iwoca.
The team’s responsibilities include:
- Continually improving our Lending API and other developer tools, so that partners can integrate with iwoca quickly and easily.
- Adding new functionality to facilitate deeper integrations and ensure iwoca is the best embedded finance provider on the market.
- Improving the conversion rate of customers who come to us through partners, by streamlining the journey and removing obstacles.
The team is made up of two engineers plus a product manager, working closely with an internal team of commercial stakeholders. Partner Tech is remote/hybrid-friendly, meeting up for team days in the office once or twice a month, but not on a fixed schedule. They work in an Agile fashion with two-week sprints and a daily standup.
The role
You’ll work on challenging projects all over iwoca’s codebase - anywhere there are improvements to be made for partners and partner-referred customers. You’ll be encouraged to bring your own ideas and take responsibility for areas of functionality.
Autonomy:
- Own features and projects from scoping and design through to production.
- Collaborate with other engineers to meet the team’s goals, whilst being trusted to define your own solutions and work independently on your part of the problem.
- Design and maintain robust, flexible, and maintainable systems to ensure scalability and fast-paced development.
Impact:
- Deliver new functionality critical to onboarding important new partners.
- Optimise the customer experience, leading to measurable improvements.
- Leave code, docs, and processes in better shape than you found them.
Purpose and product thinking:
- Work on systems that genuinely help businesses get the funding they need.
- Collaborate with our partners and internal stakeholders to design effective solutions.
- Use data to make decisions, uncover insights, and refine strategies.
The requirements
Essential:
- Proven track record in designing and building backend systems using Python, ideally with Django but open to other web frameworks such as FastAPI, Flask, or Ninja.
- Experience working with relational databases, ideally PostgreSQL but open to MySQL or similar, with an understanding of performance and maintainability considerations.
- Experience building and maintaining APIs that are easy to use, reliable, and well-documented.
- Experience managing projects end to end, from understanding business problems to designing and delivering technical solutions.
- Pragmatism in balancing delivery speed with long-term system health.
Bonus:
- Front-end development experience, particularly with React and Typescript.
- Experience with DevOps practices, including containerisation and CI/CD pipelines.
- Experience using data to inform technical decisions or product improvements.
The salary
We expect to pay from £80,000 - £90,000 for this role. But, we’re open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews.

