{"id":3459703,"url":"https://alion.io/job/iwoca-senior-backend-engineer-introducer-tech","title":"Senior Backend Engineer - Introducer Tech","company":{"id":6070,"name":"iwoca","domain":"iwoca.co.uk","url":"https://alion.io/company/iwoca","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":83,"open_postings":9,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80000,"max":100000,"currency":"GBP","period":"year","gross":null,"usd_annual":133088},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Agentic Workflows","optional":false},{"name":"AI Agents","optional":false},{"name":"CI/CD","optional":false},{"name":"Django","optional":false},{"name":"FastAPI","optional":false},{"name":"Flask","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-29T12:14:27Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-10-29T22:29:54Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Senior Backend Engineer - Introducer Tech - DE\nHybrid in London / Remote within the UK\nWe’re looking for a Senior Backend Engineer\nYou'll own the Lending API in Germany, which banks, fintechs, brokers, and comparison sites build on to offer iwoca's finance to their customers. You'll decide how it evolves and help build the features that make partners choose iwoca.\nThe company\nSmall businesses move fast. Opportunities often don’t wait, and cash flow pressures can appear overnight. To keep going, and growing, SMEs need finance that’s as flexible and responsive as they are.\nThat's why we built iwoca. Our smart technology, data science and five-star customer service ensures business owners can act with the speed, confidence and control they need, exactly when it's needed.\nWe’ve already cleared the way for 100,000 businesses with more than £5 billion in funding. Our passionate team is driven to help even more SMEs succeed, through access to better finance and other services that make running a business easier. Our ultimate mission is to support one million SMEs in their defining moments, creating lasting impact for the communities and economies they drive.\nThe team\nIntroducer Tech builds the systems that partners in Germany use to refer businesses to iwoca. The aim is to get new partners integrated quickly and to make applying simple for their customers. The team also looks after how partners earn commission.\nIts work covers three main areas:\nThe Lending API. Developing the versioned API and the webhooks that keep partners up to date on their customers.\n\nThe Introducer Portal. Building the web app that German brokers log in to, to submit applications and upload documents.\n\nThe sign-up journey. Improving how businesses apply and how well they convert, after a partner referral.\n\nThe team is growing to have two product managers, who each focus on either the broker or the partner flow, and three engineers across the backend and frontend, including this hire.\nThe team currently works in sprints, with three stand-ups a week and planning every two weeks. However, there is room to adapt how it works as it grows.\nThe role\nYou'll be the senior engineer behind iwoca's broker and partner channels in Germany, from the tools partners integrate with to the internal systems that broker account managers use.\nOwnership and autonomy\nOwn the Lending API in Germany end to end, deciding what to build, when to release a new version, when to retire an old one, and what iwoca can promise partners.\n\nOwn the developer portal and every tool partners use to integrate, from documentation that their developers and coding agents can build from to self-serve testing that needs no help from iwoca.\n\nImpact\nShip the features that make partners choose iwoca, starting with pre-qualification, which shows a customer what they could borrow before they apply.\n\nMake integration quick and simple, so a partner can go live with few questions and little hand-holding.\n\nAutomate parts of the broker funnel and the internal CRM that broker account managers use, cutting friction and the lag between a decision and the action that follows, and building agents wherever they help.\n\nGrowth trajectory\nSet the team's technical direction and shape the product and technical roadmap alongside the product manager.\n\nAlign designs with the UK engineers who share the API, so German requirements shape the design from the start.\n\nAs well as being hands on, you’ll develop your mentoring and coaching skills. You’ll help lead the team as the most senior engineer.\n\nYou'll work with the commercial colleagues who bring in new partners, and join the team's weekly support rotation.\nThe requirements\nEssential:\nBackend engineering. You've designed and built production backend systems in Python - ideally with Django, though FastAPI or Flask count too. You've used PostgreSQL or another relational database in production, and kept it fast and maintainable.\n\nAPI design. You've built and evolved APIs that other teams or companies depend on, and made the decisions on structure, versioning, and change.\n\nOwnership. You've taken work from a commercial problem through to production - scoping the solution, making the trade-offs, and iterating based on how people use it.\n\nMentoring. You've helped other engineers grow through code reviews and design sessions.\n\nAI leverage. You've built agentic workflows, or used AI to scale your engineering output beyond what you could deliver alone. You judge when to use it and when not to.\n\nCommunication. You write and speak clearly, directly, and concisely. You adapt technical detail to your audience.\n\nBonus:\nPartner onboarding. You've helped external developers integrate with an API - through documentation, test environments, or working with them directly.\n\nFull-stack. You've contributed to frontend codebases, particularly in React or TypeScript.\n\nCI/CD. You've set up or maintained the pipelines that test and release a production service.\n\nMeasurement. You've used data, metrics, or A/B tests to check whether a change had the effect you intended.\n\nThe salary\nWe expect to pay from £80,000 to £100,000 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.\nThe culture\nAt iwoca, the best idea wins. We model our culture on independent thinking, challenging untested logic, and evidence-based decisions. We prioritise learning and growth, and give people the autonomy to develop in the direction that makes them most effective.\nWe're a tech company and believe in the power of AI to help us work faster and better. We provide the infrastructure where every iwocan always has access to the best models and where those models have access to all of our data. We will help our people to learn how to use and grow with the new tools available to them.\nThe offices\nWe put a lot of effort into making iwoca a great place to work:\nOffices in London, Leeds, Berlin, and Frankfurt with plenty of drinks and snacks.\n\nEvents and community-led groups, including running groups, padel, and monthly ping-pong and pool competitions.\n\nThe benefits\nFlexible working hours.\n\nMedical insurance from Vitality, including discounted gym membership.\n\nA private GP service (separate from Vitality) for you, your partner, and your dependents.\n\n25 days’ holiday per year, an extra day off for your birthday, the option to buy or sell an additional five days of annual leave, and unlimited unpaid leave.\n\nA one-month, fully paid sabbatical after four years.\n\nInstant access to external counselling and therapy sessions for team members that need emotional or mental health support.\n\n3% pension contributions on total earnings.\n\nAn employee equity incentive scheme.\n\nGenerous parental leave and a nursery tax benefit scheme to help you save money.\n\nElectric car scheme and cycle to work scheme.\n\nTwo company retreats a year: we’ve been to France, Italy, Spain, and further afield.\n\nAnd to make sure we all keep learning, we offer:\nA learning and development budget for everyone.\n\nCompany-wide talks with internal and external speakers.\n\nAccess to learning platforms like Treehouse.\n\nUseful links:\niwoca benefits & policies.\n\nInterview welcome pack.","description_format":"text","description_chars":7304,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Equity","Flexible schedule","Gym membership","Health insurance","Parental leave"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"},{"name":"United 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