Flutter Engineer - Banking at Capital on Tap | GB | Rezi

Flutter Engineer - Banking at Capital on Tap

Flutter Engineer - Banking

Capital on Tap · GB

Today

Flutter Engineer - Banking

Capital on Tap · GB

an hour ago
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About the Role

As a Senior Flutter Engineer, you'll own the mobile and work on the back-end systems that power our Banking and Repayments platform, helping transition mobile and front-end ownership from our Customer Experience team into Banking. This is a high-priority hire with real impact from day one.

Responsibilities

  • Own the full SDLC - from feature inception through to production, monitoring, and continuous improvement
  • Contribute to mobile development across iOS and Android using Flutter, Kotlin, and/or Swift
  • Collaborate with Product, Design, and QA from early feature shaping through to delivery
  • Write thorough unit and integration tests and uphold high engineering standards
  • Identify bottlenecks and drive improvements across the team
  • Work cross-functionally, bridging technical decisions with business goals

Requirements

  • Mobile development experience in Flutter/Dart, Kotlin, or Swift is a firm requirement
  • Strong back-end engineering experience
  • Solid testing practice across unit and integration testing
  • Experience with CI/CD platforms such as CodeMagic or similar
  • Comfortable working in Agile environments
  • Autonomous and collaborative - you take ownership and see things through

Skills

  • Flutter
  • Dart
  • Riverpod
  • GoRouter
  • Kotlin
  • Swift
  • SQL Server
  • MongoDB
  • Firestore
  • GCP (Firebase)
  • Azure
  • CodeMagic

Location

  • London Offices

Work Type

  • Hybrid

Experience Level

  • Senior

Benefits

  • Private Healthcare including dental and opticians services through Vitality
  • Worldwide travel insurance through Vitality
  • Anniversary Rewards (£250, £500, £750, 4-week fully paid sabbatical)
  • Salary Sacrifice Pension Scheme up to 7% match
  • Octopus EV Salary Sacrifice Scheme
  • 28 days holiday (plus bank holidays)
  • Annual Learning and Wellbeing Budget
  • Enhanced Parental Leave
  • Cycle to Work Scheme
  • Season Ticket Loan
  • 6 free therapy sessions per year
  • Dog Friendly Offices
  • Free drinks and snacks in our offices

About the Company

  • Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. Today we're a financial platform - not just a credit card company. We offer a best-in-class business credit card, SME-focused spend management platform, a savings product that hit £1 billion in funds within its first year, and a growing suite of tools and financial products that make running a small business easier.
  • 1,000+ employees, £20bn in annual card spend, 200,000+ customers, 17,000+ Trustpilot reviews averaging 4.7 stars, and we're profitable.
  • The Banking and Repayments teams sit at the heart of Capital on Tap's product, owning the core account experience for thousands of small business customers. Banking manages account operations, transaction lifecycles, balance management, ClearBank integration, and savings. Repayments owns the repayment rails, including the most recent open banking repayments.

Equal Opportunity

  • We welcome, consider and encourage applications from anyone who shares our commitment to inclusivity. Join us in creating a space where authenticity thrives, and everyone can do their best work.