Senior Frontend Engineer - Remote within UK

A platform you can believe in: Immersive One is the leading cyber resilience solution across the globe. Build and scale a best in class platform alongside a team of the brightest minds in cybersecurity! At Immersive, we’re uniquely positioned to future‑proof organizations against any cyber challenge. If that excites you, read on!

Immersive helps prove and improve your cyber resilience, by simulating real‑world threats, testing your skills, and measuring performance. We put your readiness to the ultimate test. From sharpening technical capabilities to making high‑pressure decisions, our platform allows you to assess every angle, pinpoint areas for growth, and prove your ability to tackle evolving threats with unwavering confidence.

Immersive was founded in 2017, from a cargo container in Bristol, UK we’ve grown to over 300 employees globally, announced funding of more than £150 million and been voted a Best place to work on multiple occasions!

Immersive is hiring! Could you be our next Senior Front‑end Engineer? Come and join our established UK Engineering team as a Senior Front‑end Software Engineer – we are looking for someone curious, eager to solve problems, and excited to build alongside a collaborative team. Reporting to one of our Engineering Managers and based in our Bristol office, you will be a key part of building our Immersive One platform. You’ll join a team where we value determination, ingenuity, and pragmatic, reusable technical solutions. This is an exciting opportunity to be responsible for developing a truly ground‑breaking product. You will be instrumental in shaping the future of our product, working across our entire system landscape.

Our tech stack includes:

• Backend: Ruby on Rails, Node.js and Python
• Front‑end: React and TypeScript
• Testing: Playwright and TypeScript

We are not just seeking a skillset – we are looking for someone who will also become an important and vital part of our team, so we seek a driven, curious and collaborative person to become our next colleague. You'll get to work in a friendly multi‑disciplinary agile team and also work on innovative ideas during our quarterly Hack Week, where collaboration between different teams is encouraged to find unique solutions.

As a senior individual contributor in the team, your main responsibilities will include:

• Work alongside the team to design, build, and maintain an efficient, reusable, and reliable codebase across the stack.
• Collaborate with Product Managers and other disciplines to help translate requirements into technical solutions.
• Partner with our Quality Experts to deliver automated tests, ensuring we have confidence in every feature we release.
• Contribute to the team's success by fixing bugs, resolving incidents, and minimizing customer impact.
• Help ensure code quality by sharing feedback with your peers via our code review process.

You’ll get to immerse yourself in engineering projects. We want to give you a place where you’ll learn from us and we’ll learn from you through getting involved in the following:

• Improving developer experience by reducing toil e.g. local development set up, CI/CD improvements, test suite optimisation etc.
• Architect and deliver step changes to our innovative product within small and focused project teams.
• Design, build and maintain an efficient, reusable and reliable codebase.
• Ensure the quality and maintainability of our code base e.g. by writing test automation.
• Work on all parts of our system landscape.
• Fix bugs, resolve incidents, and participate in our well paid on‑call scheme (all within reasonable limits and using a self‑organised rota).
• Translate technical language/concepts for non‑technical individuals written and orally.
• Coaching / mentoring and pairing with other engineers.
• Formulate technical solutions from product requirements in collaboration with others to create a first class platform.

Success in this role will depend most on your approach, underlying skills and potential for growth, even if some of the above would be new to you. Sounds good? We’d love to hear from you if you have proven experience in the following areas:

• You have extensive experience in building complex web applications or similar software.
• You have been using Docker and potentially also Kubernetes.
• Demonstrable, and up‑to‑date knowledge of best practices and patterns when working in a large, scalable frontend codebase, and familiarity with CI setups.
• You have a solid understanding of relevant web technologies such as HTML, CSS, HTTP etc.
• The ability to critically review technical solutions and identify potential performance / design system / security / scalability issues.
• You are willing and able to work with different programming languages and technology stacks.
• You prefer delivering real features over tech stack sophistication.
• The main parts of our system landscape are a Ruby on Rails back end, a React/TypeScript front end, a Node.js/TypeScript back end, and some Python services.
• Excited and driven to solve challenging problems in a high performing agile culture.
• A strong ability to communicate complex technical problems to a wide range of audiences both written and verbal.
• Seeks justification for introducing technical complexity to ensure the value / benefits outweigh the cost.
• You evaluate when adopting a new technology or “best practice” if it will deliver tangible benefits vs. when it will simply swap one set of problems for different ones.
• Excellent understanding of Git, semantic HTML and CSS/SASS, using styled‑components.

Our Values:

• Driven – We push the boundaries of innovation, acting swiftly to achieve ambitious outcomes. Our drive embodies a culture of ambition, where challenges are stepping stones to excellence.
• Inclusive – Our strength lies in diversity, fostering a culture where every individual contributes to our collective strength. We champion open dialogue and empathy, ensuring a collaborative, inclusive workplace.
• Customer Centric – We seek to develop deep relationships with our customers to help them achieve their business outcomes. We exceed our customers and partners' expectations by crafting products, services and experiences that surprise, delight and ensure they feel valued and supported every day.
• One Team – We are a talented global team working together to achieve our vision. Central to our ethos, resilience means adapting and thriving in adversity. It guides our innovation, ensuring we and our clients are prepared for the future.

We encourage people of all different backgrounds and identities to apply. We are committed to maintaining an inclusive, supportive place for you to be you and do your very best work.

Benefits:

• Time off, flexible and remote working so you can work when is best for you, includes 25 days annual leave + 2 volunteering days and your birthday off.
• The longer you are with Immersive, the more holiday days you get, up to a maximum of 30 days after five years of service.
• Look after your family and yourself with enhanced parental leave, mindfulness groups, critical illness cover, 7% matched pension, private healthcare plan and more.
• Career and learning development through the platform, a dedicated professional development fund and our ‘Learn Anything’ fund – which enables you to learn anything that’s not work!