iwoca

Senior Full-Stack Engineer - Credit Cards

iwoca
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5 hours ago
London, United KingdomSenior

Responsibilities

  • Shape and build business credit card features based on customer needs.
  • Own features from data modeling and API design through testing, release, monitoring, and production operation.
  • Build Python and FastAPI backend services backed by PostgreSQL.
  • Build customer-facing web features with React and TypeScript.
  • Contribute to the React Native iwoca Mobile App and Credit Cards CRM when required.
  • Learn and apply expertise in card transactions, card processors, and card schemes.
  • Use AI coding tools and agentic workflows responsibly, reviewing their output before production.
  • Collaborate with product, design, and payments-platform engineers.

Requirements

  • Experience building well-tested Python services for customer-facing products and maintaining them in production.
  • Experience designing relational data models, ideally with PostgreSQL, and building and integrating APIs.
  • Enough React and TypeScript experience to build and ship customer-facing features.
  • Experience taking product features from idea to production and owning them after launch.
  • Experience building agentic workflows or using AI to scale engineering output, with sound judgment and output review.
  • Clear, direct, concise written and verbal communication skills.
  • Preferred: iOS or Android development experience, ideally with React Native.
  • Preferred: financial-product or card-payments experience.
  • Preferred: production FastAPI experience.
  • Preferred: experience building software for operations or support staff.

Benefits

  • Hybrid work in London, United Kingdom, with flexible working hours.
  • Offices in London, Leeds, Berlin, and Frankfurt, with drinks and snacks.
  • Medical insurance from Vitality, including discounted gym membership.
  • Private GP service for employees, partners, and dependents.
  • 25 days of annual holiday, a birthday day off, the option to buy or sell five additional days, and unlimited unpaid leave.
  • One month of fully paid sabbatical after four years.
  • External counselling and therapy sessions.
  • 3% pension contributions on total earnings.
  • Employee equity incentive scheme.
  • Parental leave and nursery tax benefit scheme.
  • Electric car scheme and cycle-to-work scheme.
  • Two company retreats per year.
  • Learning and development budget, company-wide talks, and access to learning platforms such as Treehouse.

Tech Stack

FastAPIiOSPostgreSQLPythonReactReact NativeTypeScript
iwoca

About iwoca

501-1,000 employees

iwoca provides working capital loans, credit lines and B2B payment options to small businesses in the UK, delivered online and via partner integrations. It earns interest and fees on lending and also offers an API for embedded finance. Founded in 2012 and headquartered in London’s West End, the privately held company says it has provided funding to over 100,000 businesses.

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