Senior Flutter Developer (Contract)
Posted 7 days ago by hedgehog lab
Negotiable
Undetermined
Undetermined
London, England, United Kingdom
Summary: The Senior Flutter Developer (Contract) role involves joining a UK-based investment platform to contribute to a long-term mobile app program. The position focuses on building and maintaining high-quality Flutter applications, emphasizing performance, reliability, and user experience. The developer will work collaboratively with cross-functional teams to deliver features and improve app quality. This is a hands-on role that requires strong technical skills and a commitment to engineering excellence.
Key Responsibilities:
- Build and maintain production-grade Flutter applications
- Own features end-to-end, from implementation through to release
- Design and implement testing across unit, widget, integration, and E2E
- Drive improvements in performance, reliability, and maintainability
- Contribute to CI/CD pipelines (GitHub Actions, Bitrise, etc.)
- Collaborate closely with product, design, and QA
- Raise engineering standards through clean code and best practices
Key Skills:
- Strong commercial experience with Flutter and Dart
- Proven track record building and shipping mobile apps at scale
- Deep understanding of testing strategies and automation
- Experience with CI/CD in mobile environments
- Ability to solve complex problems with clean, maintainable code
- Strong understanding of performance, UX, and mobile architecture
Salary (Rate): undetermined
City: London
Country: United Kingdom
Working Arrangements: undetermined
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
Job title: Senior 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. This is not a support role. You’ll work on a high-traffic product used by thousands of customers, focused on performance, reliability, and user experience at scale. You’ll own Flutter delivery within the project, solving complex technical problems, improving app quality, and building clean, scalable solutions that hold up 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
- Own features end-to-end, from implementation through to release
- Design and implement testing across unit, widget, integration, and E2E
- Drive improvements in performance, reliability, and maintainability
- Contribute to CI/CD pipelines (GitHub Actions, Bitrise, etc.)
- Collaborate closely with product, design, and QA
- Raise engineering standards through clean code and best practices
Required experience
- Strong commercial experience with Flutter and Dart
- Proven track record building and shipping mobile apps at scale
- Deep understanding of testing strategies and automation
- Experience with CI/CD in mobile environments
- Ability to solve complex problems with clean, maintainable code
- Strong understanding of performance, UX, and mobile architecture
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.