At a Glance
- Tasks: Redesign and evolve product experiences while collaborating with cross-functional teams.
- Company: Join Fonoa, a forward-thinking tech company focused on innovative solutions.
- Benefits: Competitive salary, flexible work environment, and opportunities for professional growth.
- Other info: Dynamic team culture with a focus on collaboration and continuous improvement.
- Why this job: Shape the future of frontend engineering and create impactful user experiences.
- Qualifications: Strong frontend development skills and a passion for product design.
The predicted salary is between 60000 - 80000 € per year.
About Engineering at Fonoa
Engineering is central to how we build the business. We focus on solving real customer problems, not just shipping features. We work in small, high-trust teams, with full ownership across the lifecycle, from design to production and beyond.
We value:
- Ownership – engineers own what they build end-to-end
- Simplicity – we break down complex problems into clear solutions
- Thinking Big - we innovate with modern technologies (LLMs, AI Agents, etc.) to solve meaningful problems
- Quality – scalable, maintainable systems are non-negotiable
- Speed & iteration – we ship fast, learn, and improve continuously
- Collaboration – we win as a team, not as individuals
Position Overview
As Fonoa continues to evolve beyond APIs into a broader platform experience, we are looking for a Frontend Engineer to help redefine how our products are designed, built, and experienced across the company. This role goes far beyond implementing interfaces. You will play a foundational role in shaping the future of the Fonoa platform — from customer-facing products and internal tooling to the overall design system, interaction patterns, and frontend architecture that ties everything together.
We are looking for someone who cares deeply about product experience, systems thinking, and frontend craftsmanship. Someone who can work closely with product, engineering, and design to build products that feel fast, intuitive, and thoughtfully designed, while also helping define how frontend engineering operates and scales at Fonoa.
As our platform evolves toward more intelligent, agent-driven workflows, the frontend becomes a critical part of the experience. We want to move beyond traditional dashboards and workflows toward interfaces that feel more dynamic, contextual, and assistant-like, helping customers navigate complex compliance and tax operations in a much more seamless way.
This is a highly collaborative, hands-on role for someone who thrives in ambiguity, enjoys shaping products from first principles, and wants to have a meaningful impact on both the user experience and the engineering culture around frontend development.
What You Will Be Doing
- Redesign and evolve product experiences across customer-facing and internal platforms
- Help define and scale our frontend architecture, patterns, and design systems
- Build fast, reliable, and intuitive user experiences across web applications
- Collaborate closely with product, design, and engineering to shape new workflows and features
- Contribute to the visual identity and frontend standards of the platform
- Help evolve Fonoa from an API-first company into a broader platform experience
- Build interfaces that support intelligent, assistant-like, and agent-driven workflows
- Continuously improve frontend quality, performance, maintainability, and developer experience
- Mentor and influence frontend standards and practices across the engineering organisation
What We’re Looking For
- Strong experience building high-quality frontend applications and product experiences
- Deep understanding of frontend architecture, state management, performance, and scalability
- Strong product and design instincts, with attention to detail and usability
- Ability to collaborate closely with designers and product teams from concept to production
- Experience designing and evolving frontend systems and reusable component libraries
- Builder mentality with high ownership and strong product thinking
- Comfortable operating in ambiguity and shaping problems, not just implementing requirements
- Strong communication and collaboration skills in cross-functional environments
- Curiosity around AI-driven interfaces and how intelligent workflows change product experiences
API Documentation
For engineers, API design and structure are an important part of evaluating a role. You can explore our API and how we build products here: https://docs.fonoa.com/
Tech Stack
We use these technologies today, but we don’t hire for specific tools. We care about engineers who can understand problems, make good technical decisions, and choose the right tools for the job.
- Backend: Node.js, Go
- Frontend: React, TypeScript
- Infrastructure: GCP, k8s, Terraform, Postgres
Note: If you don’t think you have the full experience we’re looking for, but you could be a fit and are willing to learn, do apply anyway! We are building a diverse and inclusive team.
As part of the recruitment process at Fonoa, we process your personal data in accordance with our Privacy Notice for Job Applicants. This notice explains how and why your data is collected and used, and how you can contact us if you have any concerns.
Senior/Staff Frontend Engineer in London employer: Fonoa
Fonoa is an exceptional employer that fosters a culture of ownership, collaboration, and innovation, making it an ideal place for a Senior/Staff Frontend Engineer to thrive. With a focus on meaningful product experiences and cutting-edge technologies, employees are empowered to shape the future of the platform while enjoying opportunities for professional growth and mentorship. Located in a dynamic environment, Fonoa offers a unique chance to work alongside talented teams dedicated to redefining user interactions and engineering practices.
StudySmarter Expert Advice🤫
We think this is how you could land Senior/Staff Frontend Engineer in London
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Fonoa on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Show off your skills! If you have a portfolio or GitHub, make sure it’s up to date with your best work. Highlight projects that demonstrate your frontend craftsmanship and problem-solving abilities.
✨Tip Number 3
Prepare for the interview by understanding Fonoa's products and how they solve customer problems. Think about how you can contribute to their mission of creating intuitive, intelligent workflows.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the team.
We think you need these skills to ace Senior/Staff Frontend Engineer in London
Some tips for your application 🫡
Show Your Ownership:When writing your application, make sure to highlight your ownership of projects. We love engineers who take full responsibility for what they build, so share examples where you've driven a project from start to finish.
Keep It Simple:We value simplicity in our solutions, so when you describe your experience, break down complex problems into clear, digestible points. This will show us that you can think critically and communicate effectively.
Think Big:Don’t shy away from showcasing your innovative ideas! We’re looking for someone who can think outside the box and use modern technologies to solve meaningful problems. Share any relevant experiences where you’ve done just that.
Collaborate and Communicate:Since collaboration is key at Fonoa, make sure to mention your experience working with cross-functional teams. Highlight how you’ve worked closely with product and design to create exceptional user experiences.
How to prepare for a job interview at Fonoa
✨Understand the Company Culture
Before your interview, dive deep into Fonoa's values and culture. They focus on ownership, simplicity, and collaboration, so think about how your experiences align with these principles. Be ready to share examples of how you've taken ownership in past projects or simplified complex problems.
✨Showcase Your Frontend Craftsmanship
Prepare to discuss your experience with frontend architecture and design systems. Bring specific examples of high-quality applications you've built, focusing on performance and scalability. Highlight your attention to detail and usability, as these are crucial for creating exceptional products at Fonoa.
✨Emphasise Collaboration Skills
Fonoa values teamwork, so be prepared to talk about how you've collaborated with product and design teams. Share stories that demonstrate your ability to work cross-functionally and how you’ve contributed to shaping workflows and features together.
✨Be Curious About AI and Intelligent Workflows
Since Fonoa is evolving towards AI-driven interfaces, show your curiosity about this area. Discuss any relevant experiences or ideas you have about how intelligent workflows can enhance user experiences. This will demonstrate your forward-thinking mindset and alignment with their vision.
