React Native Developer for UK Tax Calculator Apps

Sara Kents
January 28, 2026 2 Mins Read
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Expired on: Feb 28, 2026

About TAXYZ.CO.UK

Welcome to TAXYZ.CO.UK, a dynamic UK-based company revolutionizing financial tools for individuals and businesses! We’re the creators of UK Tax Calculator Pro and UK Tax Calculator Premium, trusted mobile apps that simplify tax calculations for thousands of users. Based in vibrant London, we’re looking for a talented React Native Developer to join our friendly team and help take our apps to the next level.

The Role

We’re seeking a passionate React Native Developer to update and enhance the calculation logic in our UK Tax Calculator Pro and UK Tax Calculator Premium apps. You’ll work closely with our small, collaborative team to ensure our apps remain accurate, user-friendly, and compliant with UK tax regulations for 2025–26 and beyond. This is a fantastic opportunity to make a real impact, working on apps that empower users to manage their finances with ease.

Key Responsibilities

  • Update and optimize the calculation logic for UK Tax Calculator Pro and UK Tax Calculator Premium to reflect UK tax rules (2023–24, 2024–25, and 2025–26), including income tax, National Insurance, and dividend tax calculations.
  • Enhance app features, such as take-home pay, overtime, and capital gains tax calculators, ensuring accuracy and compliance with HMRC guidelines.
  • Implement mobile-friendly UI/UX improvements using React Native and Nativewind for a seamless, touch-friendly experience.
  • Collaborate with our backend team to integrate updated APIs and ensure smooth data handling.
  • Conduct thorough testing and debugging to maintain high performance and reliability across iOS and Android platforms.
  • Stay up-to-date with UK tax law changes and suggest innovative features to keep our apps ahead of the curve.

What We’re Looking For

  • Experience: 2+ years of React Native development, with a proven track record of building or updating mobile apps for iOS and Android.
  • Technical Skills:
    • Proficiency in React Native, JavaScript, and Nativewind for styling.
    • Experience with RESTful APIs and handling complex calculation logic.
    • Familiarity with UK tax systems (income tax, NI, CGT) is a big plus but not essential—we’ll guide you!
    • Knowledge of mobile app testing frameworks and debugging tools.
  • Soft Skills:
    • A friendly, team-oriented attitude with excellent communication skills.
    • Passion for creating intuitive, user-focused mobile experiences.
    • Ability to work independently and collaboratively in a fast-paced environment.
  • Bonus Points:
    • Experience with financial or tax-related apps.
    • Familiarity with UK tax regulations or HMRC data integration.
    • Knowledge of TypeScript or other modern JavaScript frameworks.

APP LINK: https://play.google.com/store/apps/details?id=com.taxyz.uktaxcalcpremium

APP LINK: https://play.google.com/store/apps/details?id=com.taxyz.uktaxcalc

Why Join Us?

  • Impactful Work: Contribute to apps that make a real difference in users’ financial lives.
  • Flexible Environment: Work hybrid from our London office with a supportive, inclusive team.
  • Growth Opportunities: Take on exciting challenges and grow your skills in a fast-growing company.
  • Competitive Package: Attractive salary, benefits, and perks tailored to your experience.
  • Fun Culture: Enjoy team outings, regular catch-ups, and a welcoming vibe in the heart of London.

Job Category: Remote
Job Type: Freelance
Job Location: London United Kingdom
Sorry! This job has expired.

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Sara Kents

Sara Kents is a finance writer and researcher with over 10 years of experience specialising in UK taxation, student finance, and personal money management. She focuses on translating complex financial legislation and HMRC guidance into clear, practical insights that help individuals understand their obligations, manage costs effectively, and make informed long-term financial decisions.Her work covers key areas including income tax, National Insurance, self-assessment, student loan repayments, and personal budgeting. Sara closely follows updates to UK legislation and HMRC policy to ensure her content remains accurate, compliant, and aligned with current regulations.Known for her structured, evidence-based approach, Sara breaks down complicated financial rules into accessible, actionable guidance without oversimplifying critical details. Her writing is designed to support clarity, compliance, and confident decision-making for individuals navigating the UK tax and student finance systems.