{"id":1024010,"url":"https://alion.io/job/iwoca-back-end-engineer-partner-flow","title":"Backend Engineer - Partner Flow","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":81,"open_postings":9,"ghost_share":0,"stale_share":0.778,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Backend","role_family":"Backend","seniority":null,"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":60000,"max":85000,"currency":"GBP","period":"year","gross":null,"usd_annual":113694},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Agile","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"A/B Testing","optional":true},{"name":"CI/CD","optional":true},{"name":"dbt","optional":true},{"name":"Snowflake","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-18T09:32:42Z","employer_posted_date":"2026-09-18","last_verified_at":"2026-11-14T14:11:57Z","board_verified":true,"closed_at":null,"days_open":57,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":57},"description":"Backend Engineer - Partner Flow Team\nHybrid in London / Remote within the UK\nWe’re looking for a Backend Engineer to join the Partner Flow team.\nThis role is a chance to shape how thousands of small businesses find their way to iwoca. You'll join the team that owns iwoca's partner integrations - the Lending API and embedded flows that let third-party platforms, from major banks to fintechs, offer iwoca loans inside their own customer journeys. You'll own projects, collaborate with stakeholders, and design robust systems to deliver important functionality and measurably improve the experience for our partners and customers.\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 £4 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\niwoca partners with a variety of third-party platforms, ranging from large banks and comparison sites to small fintechs that serve SME customers. 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.\nThe Partner Flow 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. The team’s responsibilities include:\nContinually improving our Lending API and other developer tools, so that partners can integrate with iwoca quickly and easily.\n\nAdding new functionality to facilitate deeper integrations and ensure iwoca is the best embedded finance provider on the market.\n\nImproving the conversion rate of customers who come to us through partners - streamlining the journey, running RCTs (randomised control trials) and building models alongside our embedded data scientist to find what works.\n\nThe team is made up of three engineers, a data scientist plus a team lead, working closely with an internal team of commercial stakeholders. This role is one of two new engineering hires as we grow the team to meet our ambition.\nPartner Flow 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.\nThe role\nYou’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.\nAutonomy:\nOwn features and projects from scoping and design through to production.\n\nCollaborate 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.\n\nDesign and maintain robust, flexible, and maintainable systems to ensure scalability and fast-paced development.\n\nImpact:\nDeliver new functionality critical to onboarding important new partners.\n\nRun experiments (RCTs) and optimise the funnel to measurably improve how partner-referred customers convert.\n\nLeave code, docs, and processes in better shape than you found them.\n\nPurpose and product thinking:\nWork on systems that genuinely help businesses get the funding they need.\n\nCollaborate with our partners and internal stakeholders to design effective solutions.\n\nUse data to make decisions, uncover insights, and refine strategies.\n\nAI:\nWe're pushing hard on AI-assisted development. Engineers here write clear technical specs, let skills and agents implement boiler-plate, and hold a high bar on code review - the person, not the model, is accountable for what merges. We expect AI output to be validated for correctness, performance and security like any other change.\n\nWe give the team unlimited tokens across all models and expect people to experiment.\n\nThe requirements\nEssential:\nExperience designing and building scalable back-end systems, ideally in Python.\n\nExperience working with relational databases, ideally PostgreSQL, with an understanding of performance and maintainability considerations.\n\nExperience building and maintaining APIs that are easy to use, reliable, and well-documented.\n\nExperience managing projects end to end, from understanding business problems to designing and delivering technical solutions.\n\nPragmatism in balancing delivery speed with long-term system health.\n\nClear, concise written and verbal communication, focusing on outcomes and impact.\n\nA genuine team player: you support your teammates, share knowledge, and care about the team's success as much as your own.\n\nAI fluency. Experience using AI coding tools to accelerate real delivery, and a genuine interest in getting better at it - with a pragmatic sense of where it adds value and where it doesn't.\n\nBonus:\nFront-end development experience, particularly with React and Typescript.\n\nExperience with DevOps practices, including containerisation and CI/CD pipelines.\n\nExperience with experimentation (e.g. A/B tests or RCTs) or using data to drive product decisions.\n\nWorking knowledge of modern data tooling - ideally Snowflake and dbt - used to build analytical or reporting pipelines.\n\nThe salary\nWe expect to pay from £60,000-£85,000 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, we prioritise a culture of learning, growth, and support, and invest in the development of our team members. We value thought and skill diversity, and encourage people to explore new areas of interest, adopt better tools - including AI - and apply sound judgement so our products and decisions improve over time.\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 choice between a dedicated dental plan or a health cash plan that reimburses everyday medical expenses.\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 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