Principal Engineer - Repeats

Principal Engineer - Repeats Team

Hybrid in London or Remote within the UK

We’re hiring a Principal Engineer

Lead the technical evolution of our core decision-making systems in a hands-on Principal Engineer role that balances architectural design, people management, and shipping critical code.

The company

Imagine a world where every small business has the power to thrive. That's the world we're building at iwoca. Small businesses aren't just statistics – they're the heartbeat of our communities, the character of our high streets, and the engine of our economy. Since 2012, we've revolutionised how these businesses access finance, turning what was once a lengthy, frustrating process into something remarkable : funding that's fast, flexible, and actually works for modern businesses.

Our impact speaks for itself : we've provided billions in funding to over 150,000 businesses across Europe, making us one of the continent's leading fintech innovators. But we're just getting started. Our mission? To empower one million businesses with the financial tools they deserve.

We combine cutting-edge technology and data science with genuine human understanding to make finance feel less like a barrier and more like a superpower. Whether a business is managing cash flow or seizing unexpected opportunities, we ensure they get the funds they need – often within minutes.

The team

The Repeats team manages the lending strategy and digital user experience of our recurring customers. They own all the product decisions that occur after a customer has taken their first funding. This includes the user journey for repeat customers, the eligibility and document requirements for repeat applications, the offer terms (such as offered amount or pricing), among other things. The team continuously experiments with new product ideas and ensures these are delivered through an intuitive, high-performing digital experience. It has all the skills it needs to deliver this, including engineering, product, data, and design working together to align the strategy with customers needs and business goals.

The role

As the Principal Engineer in the Repeats team, you will guide both the technical architecture and the engineers responsible for its delivery. You will lead the design and development of systems that intelligently route existing customers to the most appropriate credit assessment process and the most appropriate offer terms, based on their unique profile and needs. This means moving beyond static rules to build scalable, adaptive systems that integrate real-time data and business logic. This is a hands-on leadership role, from ideas to delivery with a focus on the long term, where you will manage the team's engineers, own the technical roadmap, and actively contribute to the codebase.

Architectural ownership and impact :

Own the technical road map for the Repeats team, re-architecting the team’s code to meet ambitious and dynamic challenges.

Lead the evolution of our system architecture to optimise customer journeys and enhance decision-making and offer generation processes.

Collaborate with Principal Engineers in other teams to design and deliver a coherent system, with support from org-wide teams like a DevOps team.

Hands-on delivery and project leadership :

Be an active, hands-on contributor to the codebase, leading by example in quality, testing, and performance.

Drive the technical strategy and execution for the Repeats team’s projects, translating product goals into well-architected, production-ready code.

Proactively identify and resolve technical debt and production issues, ensuring the long-term health and stability of the systems you own.

Team leadership and management :

You will be the direct line manager for three engineers, responsible for their performance, coaching, and career development.

You will define and champion engineering best practices and standards, both within your team and as a senior leader in the wider engineering group.

The requirements

Essential :

Expertise in systems architecture, including designing and managing complex domain models

Advanced proficiency in software development using an object-oriented language

Business acumen : you can collaborate with stakeholders to translate complex challenges into scalable solutions. You have owned technical systems that deliver business outcomes in fast-paced environments.

You have proven experience leading a small team of engineers, including line management responsibilities. You excel at balancing hands-on coding and project delivery with strategic planning and are passionate about developing the engineers you manage.

Bonus :

Experience with Python, Django or PostgreSQL

Familiarity with data analytics and machine learning processes

An understanding of complex data systems, including event-sourced data models

A strong numerical or technical background, ideally with a degree in maths, physics, computer science, engineering, or a related field

Front-end development experience

The salary

We expect to pay from £100,000 - £160,000 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.

The culture

At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development of our team members. We value diversity in thought and skill, and encourage you to explore new areas of interest to help us improve our products and services.

The offices

We put a lot of effort into making iwoca a brilliant place to work :

Offices in London, Leeds, and Frankfurt with plenty of drinks and snacks

Events and clubs, like bingo, comedy nights, yoga classes, football, etc.

The benefits

Flexible working hours

Medical insurance from Vitality, including discounted gym membership, and a private GP service for you, your partner, and your dependents.

25 days’ holiday, an extra day off for your birthday, the option to buy or sell an additional 5 days of annual leave, unlimited unpaid leave, and one-month fully paid sabbatical after 4 years.

Instant access to emotional and mental health support with our partner, Spill.

Pension and share options.

Generous parental leave and a nursery tax benefit scheme to help you save money.

Paid volunteering day to support your chosen charity.

Cycle-to-work scheme and electric car scheme.

Two company retreats a year, we’ve been to France, Italy, Spain and further afield.

And to make sure we all keep learning, we offer :

A learning and development budget for everyone.

Company-wide talks with internal and external speakers.

Access to learning platforms like Treehouse.

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