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- Tasks: Build a cross-platform app from scratch with a focus on security and performance.
- Company: Join a dynamic Series A startup with a £20m funding boost.
- Benefits: Competitive daily rate, remote work, and potential for contract extension.
- Why this job: Make a real impact on innovative projects while working with cutting-edge technology.
- Qualifications: 4+ years of Flutter experience and strong application security knowledge.
- Other info: Collaborative environment that values diverse perspectives and offers excellent career growth.
Rate: £400–£600 per day (Outside IR35)
Duration: 6 months initially (extensions likely)
Location: Remote first with occasional visits to central London office (no more than 1 or 2 times per month for workshops)
We are working with a Series A startup that recently secured a £20m round. They are looking for 2 x exceptional Flutter Engineers to join a high-impact, greenfield project. This is an opportunity to build an enterprise-grade, cross-platform application from the ground up — with a strong emphasis on security, performance, and reliability.
What You’ll Do
- Architect and implement high-quality, modular Flutter components for a real-time coordination platform.
- Drive best practices in testing, CI/CD, and automated release processes.
- Collaborate with backend engineers to integrate secure APIs and encrypted data flows.
- Apply advanced concepts in application security, encryption, and authentication.
- Contribute to defining a scalable, test-driven frontend architecture used across multiple device types.
What You’ll Bring
- 4+ years of professional Flutter experience (7+ in mobile engineering overall).
- Proven delivery of production-grade apps at scale.
- Strong grasp of application security, cryptography, and secure data handling.
- Hands-on experience with OIDC / OAuth2 authentication.
- Deep knowledge of Flutter testing frameworks, CI/CD, and modern state management (e.g. BLoC, Signals, Riverpod).
- Excellent communication and collaboration skills in remote/distributed teams.
Bonus Points
- Experience with secure messaging, E2EE, or federated communication systems.
- Knowledge of the Matrix protocol or similar frameworks.
- Familiarity with Flutter FFI or writing SDKs/libraries.
This is a contract for engineers who thrive on solving hard problems — where security, design excellence, and real-world impact all meet.
At Pixelated People, we don’t just do inclusion and diversity. We embrace people that have different opinions, perspectives and personalities. Because we believe that by seeing the world from all sorts of angles, we can make life better for all the people who live in it. So we want you to know that the things that make you, you — like your age, ability, background and identity — are things that we celebrate and support.
📱 Senior Flutter Engineer - 6M Contract - Outside IR35 employer: Pixelated People
Contact Detail:
Pixelated People Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land 📱 Senior Flutter Engineer - 6M Contract - Outside IR35
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those who might know about opportunities at startups. A personal recommendation can make all the difference when you're aiming for that Senior Flutter Engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best Flutter projects. Make sure to highlight any work related to security and performance, as these are key for the role. We love seeing what you can do!
✨Tip Number 3
Prepare for the interview by brushing up on your knowledge of application security and CI/CD practices. Be ready to discuss how you've implemented these in past projects. We want to see your expertise shine through!
✨Tip Number 4
Apply through our website! It’s the easiest way to get your application noticed. Plus, we’re always on the lookout for talented engineers like you to join exciting projects. Don’t miss out!
We think you need these skills to ace 📱 Senior Flutter Engineer - 6M Contract - Outside IR35
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your Flutter experience and any relevant projects you've worked on. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re excited about this opportunity and how your background makes you a perfect fit for our greenfield project. Keep it engaging and personal.
Showcase Your Technical Skills: Don’t forget to mention your hands-on experience with application security, CI/CD, and testing frameworks. We’re looking for someone who can hit the ground running, so highlight those skills that make you stand out!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!
How to prepare for a job interview at Pixelated People
✨Know Your Flutter Inside Out
Make sure you brush up on your Flutter knowledge before the interview. Be ready to discuss your experience with building production-grade apps, especially focusing on security and performance. Prepare examples of how you've implemented modular components and tackled challenges in your previous projects.
✨Showcase Your Problem-Solving Skills
Since this role involves solving hard problems, be prepared to discuss specific instances where you've overcome technical challenges. Think about scenarios where you had to apply advanced concepts in application security or integrate secure APIs, and be ready to explain your thought process.
✨Familiarise Yourself with CI/CD Practices
As the job emphasises best practices in testing and CI/CD, make sure you can talk about your hands-on experience with these processes. Be ready to share how you've contributed to automated release processes and any tools you've used to streamline development workflows.
✨Communicate Effectively in a Remote Setting
Given that the team is remote-first, demonstrate your excellent communication skills. Prepare to discuss how you've successfully collaborated with distributed teams in the past, and highlight any tools or strategies you use to maintain clear communication and collaboration.
