Back End Engineer

iwoca
London
1 month ago
Applications closed

Related Jobs

View all jobs

AI Visual Specialist /  Machine Learning Engineer

Innovation Developer

Lead Enterprise Architect, Advanced Analytics

Senior Machine Learning Scientist (UK Remote)

Senior Machine Learning Scientist (UK Remote)

Senior Machine Learning Scientist (UK Remote)

Back End Engineer Repeats Team

Hybrid in London UK

The company

Fast flexible finance empowers small businesses to manage their cash flow better and seize opportunities making their business and the economy stronger as a whole. At iwoca we do just that. We help businesses get the funds they need when they need it often within minutes. Weve already made several billion in funding available to more than 100000 businesses since we launched in 2012 and positioned ourselves as a leading Fintech in Europe.

Our mission is to finance one million businesses. Well get there by continuing to make our finance ever more relevant and accessible to more businesses by combining cuttingedge technology data science and a 5star customer service.

The team

More than half of iwocas lending goes to repeat customers. The Repeats team shapes iwocas product offering and user experience for those customers by using the scientific method to maximise an internal metric. As the team works to maximise a metric rather than reporting to a stakeholder they enjoy a high degree of autonomy in choosing how to optimise these areas.

The team has a data scientist (with a second joining soon) a frontend engineer and two backend engineers (you would be the third).

The role

  • Autonomy: Own projects end to end from scoping and design to . Lead multiengineer projects coordinating with analysts product managers and other stakeholders.

  • Impact: Enhance our offerings to meet the needs of repeat customers improving their access to tailored lending solutions.

  • Shaping Systems: Design and maintain robust flexible and maintainable systems to ensure scalability and fastpaced development.

  • Learning Through Iteration: Embrace a culture of experimentation using trial and error to uncover insights refine approaches and grow your technical and strategic skills.

  • Continuous Deployment: Work iteratively supported by high test coverage and contribute to the teams frequent deployment cycles (averaging more than once per day).

  • DataDriven DecisionMaking: Use hypothesis testing and metrics such as issuance and profitability to quickly iterate and optimise our approach.

The projects

  • Instant decisions: We can sometimes make instant decisions by using fresh automatically collected data to refresh a customers previous decision (made by a credit analyst). Well make improvements to this process to allow instant decisions for larger amounts and for more customers.

  • Offer amount testing: Implement a test that will help us understand how offer amount affects customer behaviour issuance and loss. This should allow us to increase issuance and better meet our customers needs.

  • New product features: Were striving to offer our customers as much flexibility as possible while making the product easy for them to understand and use. Although we cant share details of unreleased features some recent highlights include interestonly periods (where for the first few repayments the customer only repays interest) and the option to extend these periods.

The requirements

Essential:

  • Experience in back end engineering ideally with Python.

  • Ability to manage projects endtoend; understanding a business problem designing and executing a solution and communicating with stakeholders.

Bonus:

  • An understanding of data analysis and statistics.

  • A strong numerical or technical background underpinned by a degree in maths physics computer science engineering or a related field.

  • Experience with Django.

  • Experience with relational databases (ideally PostgreSQL).

The salary

We expect to pay fromfor this role. But were openminded 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.

  • Medical insurance from Vitality including discounted gym membership

  • A private GP service (separate from Vitality) 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 five days of annual leaveand unlimited unpaid leave

  • A onemonth fully paid sabbatical after four years.

  • Instant access to emotional and mental health support.

  • 3 Pension contributions and share options.

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

  • Cycletowork scheme and electric car scheme.

  • Two company retreats a year weve 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.

  • Companywide talks with internal and external speakers.

  • Access to learning platforms like Treehouse.

Useful links:


Key Skills
EMR Systems,Typing,Customer Service,Athenahealth,HIPAA,Debits & Credits,POS,Microsoft Outlook,Medical office experience,Office Experience,Dental Office Experience,Phone Etiquette
Employment Type :Full-Time
Experience:years
Vacancy:1
Monthly Salary Salary:70000 - 90000

Get the latest insights and jobs direct. Sign up for our newsletter.

By subscribing you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Top 10 Best UK Universities for AI Degrees (2025 Guide)

Discover the ten best UK universities for Artificial Intelligence degrees in 2025. Compare entry requirements, course content, research strength and industry links to choose the right AI programme for you. Artificial Intelligence continues to transform industries—from healthcare to finance to transportation. The UK leads the way in AI research and education, with several universities consistently ranked among the world’s best for Computer Science. Below, we spotlight ten UK institutions offering strong AI-focused programmes at undergraduate or postgraduate level. While league tables shift year to year, these universities have a track record of excellence in teaching, research, and industry collaboration.

How to Write a Winning Cover Letter for AI Jobs: Proven 4-Paragraph Structure

Learn how to craft the perfect cover letter for AI jobs with this proven 4-paragraph structure. Perfect for junior developers and career switchers. When applying for an AI job, your cover letter can make all the difference. For many, the process of writing a cover letter for an AI position can be daunting, especially when there are so few specific guides for tailoring it to the industry. However, a clear, effective structure combined with AI-specific language and examples can help you stand out from the competition. Whether you're a junior entering the field or a mid-career professional switching to AI, the following framework will make it easier for you to craft a compelling cover letter. In this article, we’ll take you through a proven four-paragraph structure that works and provide sample lines that you can adapt to your personal experience.

Veterans in Tech: A Military‑to‑Civilian Pathway into AI Jobs

Published on ArtificialIntelligenceJobs.co.uk – empowering the UK talent pipeline for artificial intelligence, data, and robotics. Introduction Leaving the Armed Forces is both a proud milestone and a daunting leap into the unknown. Whether you served with the Royal Navy, British Army, Royal Air Force or Royal Marines, one thing is certain: the skills you forged under pressure are in high demand—especially in the booming field of artificial intelligence (AI).  The UK’s AI market is expected to contribute £400 billion to the economy by 2030, with defence and security applications at its core. Employers from start‑ups to FTSE‑100 giants are crying out for disciplined professionals who understand mission‑critical environments. Ex‑service personnel fit the bill perfectly. This guide maps the military‑to‑civilian journey, signposts Ministry of Defence (MoD) transition programmes, and shows you exactly how to land your first AI role. Quick Win: Bookmark our live listings for Machine Learning Engineer roles to see which employers are hiring right now.