Principal Flutter Developer

Newcastle Upon Tyne, England, United Kingdom

6/11/2025

📍 Location: Newcastle or Leeds

🕐 Contract Type: Full-time

hedgehog lab is a globally renowned digital product consultancy with two decades of experience and a reputation as true masters of our craft. Proudly operating from the heart of Northern England, we are on a mission to digitally craft a better world by delivering transformative solutions that align seamlessly with strategic visions.

Our culture thrives on turning constraints into catalysts for innovation, empowering our team to tackle the most complex technical challenges with confidence, architecting scalable and innovative solutions that future-proof businesses. Beyond our award-winning work, we’re also known for our Flexa-certified company culture.

We’re looking for a passionate Principal Flutter Developer who thrives in an environment where expertise, curiosity, and impact converge. If you’re ready to help shape the future and create digital products that leave a lasting legacy, we’d love to hear from you.

Why this role matters:

As Flutter continues to gain momentum across the tech industry, this role positions you at the forefront of innovation, driving strategic leadership and setting technical direction for Flutter development at hedgehog lab. You’ll have the opportunity to shape engineering standards, influence architectural decisions, and elevate the quality of our products for global clients. This is a chance to push the boundaries of what Flutter can achieve, while mentoring teams and delivering cutting edge digital experiences.

What you will be doing:

• Provide strategic technical leadership and vision for Flutter development projects.
• Drive Flutter best practices and standards across hedgehog lab as a key member of our working group.
• Lead engagements with clients, collaborating with project teams including Product Managers, Scrum Masters, Designers, and Engineers, ensuring successful outcomes.
• Take ownership of managing technical risks and issues.
• Engage directly with clients to understand their technical needs, advise on Flutter best practices, and propose innovative solutions.
• Provide technical expertise and contribute to pre-sales activities, including solution design, scoping, and estimation of Flutter projects for potential clients.
• Mentor and guide Flutter team members, fostering their professional growth and enhancing the overall skill set of the team.
  
  

How we will know you're thriving:

• Project Delivery and Client Satisfaction
• Technical Leadership
• Client Engagement and Problem Solving
• Innovation and Adaptability
  
  

Where this role can take you:

• Set technical vision and drive strategic direction for Flutter at hedgehog lab.
• Lead and scale high-performing teams while mentoring senior and junior engineers.
• Evolve and expand Flutter capabilities through innovation and cross-team collaboration.
• Represent hedgehog lab at Flutter events and in the wider community as a thought leader.
  
  

Who you are:

This role could be a great fit if you have...

• Extensive experience developing for Google’s Flutter platform using Dart.
• Experience with a secondary skill as a native Android (Java / Kotlin) or iOS (Swift) mobile developer, or another relevant domain.
• Exceptional analytical and problem-solving abilities, including debugging complex issues and translating business requirements into technical solutions.
• Expertise in architecting complex Flutter applications using patterns such as BLoC, Provider, Riverpod, or similar state management solutions.
• Strong understanding of mobile app best practices in performance, security, and usability.
• Expert knowledge of HTTP, RESTful APIs, and mobile app integration.
• Deep understanding of mobile UX and Apple & Google's Human Interface Guidelines.
• Knowledge of mobile app security best practices, including data encryption, secure storage, and authentication/authorization.
• Deep understanding of integrating Flutter apps with platform-specific features (e.g., push notifications, in-app purchases, camera access) and native code.
• Knowledge of Flutter testing including unit, widget, integration, and end-to-end testing, and experience building a comprehensive test strategy and automation pyramid.
• Expertise in setting up, configuring, and maintaining Continuous Integration/Continuous Delivery pipelines for Flutter applications ensuring efficient and reliable software delivery processes.
  
  

Note: Research shows that women and individuals from underrepresented backgrounds often refrain from applying to positions unless they meet all the specified criteria. If you believe you possess the necessary qualities for this role but do not fulfil every requirement, don't hesitate to apply. We actively encourage you to showcase your skills and what you can contribute.

Our interview process:

Stage 1️⃣ - Intro Call with a member of the Talent team, (30 minutes Google Meet)

Stage 2️⃣ - First stage interview with the hiring manager (30 minutes Google Meet)

Stage 3️⃣ - Take home tech test (no deadline, simply return when you’re happy)

Stage 4️⃣ -Final stage interview with at least 2 member of the hiring team (60 minutes Google Meet)

Why join us at hedgehog lab?

At hedgehog lab, we’ve built a workplace where people genuinely enjoy what they do and who they do it with.

We’re proud to be:

🎯 Rated #1 in the UK on Clutch for mobile development

🌟 A Great Place to Work! 93% of our team said so

🧘 Flexa-certified with an 85% FlexScore for flexible working

🏅 Holders of the Advanced Good Work Pledge in the North East

But culture goes beyond certifications. We’re a team that values trust, autonomy, and inclusion. Whether you're working from our Newcastle HQ, home, or a café, we support what works for you. We’ve created an environment where neurodiverse, LGBTQ+, and underrepresented voices are celebrated, and where every person can be their authentic self.

Read what our team says on Glassdoor.

What we offer:

💡 How we support your growth

• Annual personal development budget
• Career frameworks and coaching support
• Impact Days – 5 days a year to spend on learning, volunteering, or making a difference in ways that matter to you
  
  

🧘 How we support your wellbeing

• 2 wellbeing days a year (in addition to leave)
• Free therapy with Spill
• Bupa health cash plan (UK)
• Wellbeing budget
• Multisport card (Bulgaria)
• Bippit (UK) – access to a financial coach, tools, and resources to support your money goals
  
  

🎉 How We Stay Connected

• Monthly payday socials
• Annual summer & Christmas parties
• Celebrations for cultural and team milestones
  
  

🏡 How We Support Your Work/life Balance

• Work from anywhere: home, office or hybrid
• Flexa-certified employer with 85% FlexScore
• Enhanced parental policies
• 36 days holiday (UK), 30 days (Bulgaria) including bank/public holidays
• Open to alternate working patterns to suit you
  
  

Diversity & inclusion statement

We strongly believe that having diversity within our team is integral to doing our best work and creating the most innovative products for our customers. We encourage people from underrepresented backgrounds to apply to our roles.

We’re a family-friendly employer with a culture based on trust, autonomy and flexibility. With a current 85% FlexScore®, we’re learning as we go. By listening to our team and always asking for feedback, we can continue to improve and offer a working environment worthy of attracting the most creative and dedicated people in technology.

If you require any adjustments to submit an application for a vacancy, or if you require any reasonable adjustment should you be invited to interview, please let us know.

For any questions about this role or future opportunities, please contact Holly Orange, Senior Talent Acquisition Adviser, at [email protected] or [email protected]