Mid-Level Flutter Developer (Contract)
Posted 7 days ago by hedgehog lab
Negotiable
Undetermined
Hybrid
London, England, United Kingdom
Summary: The Mid-Level Flutter Developer (Contract) role involves joining a UK-based investment platform to contribute to a long-term mobile app program. The developer will focus on building and maintaining high-quality Flutter applications, ensuring performance and user experience for a high-traffic product. Collaboration with cross-functional teams is essential for delivering features end-to-end. The position offers flexibility in working arrangements, including remote, hybrid, or onsite options within proximity to office locations in the UK.
Key Responsibilities:
- Build and maintain production-grade Flutter applications
- Deliver features end-to-end, from implementation through to release
- Contribute to testing across unit, widget, integration, and E2E
- Support improvements in performance, reliability, and maintainability
- Work with CI/CD pipelines (GitHub Actions, Bitrise, etc.)
- Collaborate closely with product, design, and QA
- Follow and contribute to engineering best practices
Key Skills:
- Commercial experience with Flutter and Dart
- Experience building and shipping mobile applications
- Understanding of testing approaches and automation
- Familiarity with CI/CD in mobile environments
- Ability to write clean, maintainable code
- Good understanding of performance, UX, and mobile fundamentals
Salary (Rate): undetermined
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: undetermined
Seniority Level: Mid-Level
Industry: IT
Job title: Mid-Level Flutter Developer (Contract)
Type: Full-time contract
Location: UK, within 30 miles of one of our offices (remote, hybrid, or onsite)
Office locations: Edinburgh, Newcastle, Leeds, Manchester, London
The role
You’ll join a major UK-based investment platform, embedding directly into a long-term mobile app programme. You’ll work on a high-traffic product used by thousands of customers, focused on performance, reliability, and user experience at scale. You’ll contribute to Flutter delivery within the project, building features, improving app quality, and helping shape scalable solutions in production. You’ll work closely with engineers, product, and QA in a cross-functional client team, delivering features end-to-end with a strong focus on quality.
What You’ll Do
- Build and maintain production-grade Flutter applications
- Deliver features end-to-end, from implementation through to release
- Contribute to testing across unit, widget, integration, and E2E
- Support improvements in performance, reliability, and maintainability
- Work with CI/CD pipelines (GitHub Actions, Bitrise, etc.)
- Collaborate closely with product, design, and QA
- Follow and contribute to engineering best practices
Required Experience
- Commercial experience with Flutter and Dart
- Experience building and shipping mobile applications
- Understanding of testing approaches and automation
- Familiarity with CI/CD in mobile environments
- Ability to write clean, maintainable code
- Good understanding of performance, UX, and mobile fundamentals
About Hedgehog Lab
hedgehog lab is a digital product consultancy with 20 years of experience. We partner with global brands to design and build high-quality digital products through strong engineering and collaborative delivery.
How To Apply
Submit your application below. Please note: you must be based within 30 miles of one of our UK office locations to be considered for this role.