Senior Frontend Engineer - React/Typescript in London
Senior Frontend Engineer - React/Typescript

Senior Frontend Engineer - React/Typescript in London

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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SoSafe

At a Glance

  • Tasks: Lead the development of innovative learning tech features and user experiences.
  • Company: Join SoSafe, a fast-growing scale-up in cybersecurity.
  • Benefits: Enjoy flexible hours, 33 vacation days, and wellness support.
  • Why this job: Make a real impact in cybersecurity while working with cutting-edge technology.
  • Qualifications: 5+ years frontend experience, strong React and TypeScript skills.
  • Other info: Collaborative culture with opportunities for growth and community connection.

The predicted salary is between 36000 - 60000 £ per year.

We’re building the tech foundation that powers accessible, personalized, and localized learning at scale. Our mission is to enable teams to turn content into engaging, reusable learning experiences – AI-assisted, fast to produce, and ready for delivery in multiple formats, from interactive modules to microlearnings. With a strong focus on accessibility, performance, and internationalization, we help bring tailored learning to users across the globe—faster than ever before.

What you'll do

  • Lead the development of new features and user experiences from concept to deployment.
  • You think in outcomes, not just implementation, and care deeply about user experience and impact.
  • Design and build scalable, modular frontend architecture.
  • Ensure quality through unit tests, e2e tests, and contract testing.
  • Monitor and improve performance, accessibility, and reliability using tools like Sentry, Datadog, etc.
  • Collaborate cross-functionally in a modern Agile/Scrum environment.
  • Help shape our CI/CD pipelines and contribute to DevOps practices.
  • Mentor and support teammates through code reviews, pair programming, and architecture discussions.

What makes you a great fit

  • 5+ years of professional frontend experience, with 3+ years in React + TypeScript and Node.js.
  • Experience building or integrating AI-powered features into user-facing products.
  • Strong knowledge of frontend testing strategies (unit, integration, e2e, contract testing).
  • Comfortable working with (or contributing to) AI-assisted tooling like GitHub Copilot or Cursor.
  • Experience working with observability tools like Sentry, Datadog, or similar.
  • Familiarity with CI/CD processes and DevOps practices.
  • Bonus: Experience with AWS, Kubernetes.
  • Strong communication skills in English.
  • Track record of working in fast-paced, agile environments (SaaS background preferred).

What we offer

  • Work/Life balance: Flexible hours, 33 vacation days.
  • Wellbeing and financial support: Access to Open Up, corporate discounts.
  • Connection & community: Virtual events, collaborative team activities, and opportunities for local meet-ups.
  • And the list goes on: Tech equipment, referral bonuses, dog-friendly HQ.

Perks and benefits listed above are for full-time employees and may vary slightly by office location. These are just a sample — you'll learn more during the interview process.

About Us

At SoSafe, we’re on a mission to make the digital world safer by addressing the human factor in cybersecurity. As one of the fastest-growing security awareness scale-ups worldwide, we leverage behavioural science and data-driven learning to empower people against cyber threats. Our Human Risk Management approach helps organisations turn their employees into their strongest line of defence.

Backed by leading VCs like Highland Europe and Global Founders Capital, we’re rapidly expanding across the globe. We’re looking for team players who want to drive meaningful change in cybersecurity, take ownership of their work, and grow with us.

If you thrive in a vibrant, purpose-driven environment that values innovation, diversity, and collaboration, then this is the place for you!

Senior Frontend Engineer - React/Typescript in London employer: SoSafe

At SoSafe, we pride ourselves on being an exceptional employer that champions innovation and collaboration in the fast-paced world of cybersecurity. Our vibrant work culture fosters personal and professional growth, offering flexible hours, generous vacation days, and a supportive community that values diversity and well-being. Join us in our mission to make the digital world safer while enjoying unique perks like a dog-friendly HQ and opportunities for local meet-ups.
SoSafe

Contact Detail:

SoSafe Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Frontend Engineer - React/Typescript in London

✨Tip Number 1

Network like a pro! Reach out to folks in your industry on LinkedIn or at meet-ups. A friendly chat can lead to opportunities that aren’t even advertised yet.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your best projects, especially those using React and TypeScript. This gives potential employers a taste of what you can do.

✨Tip Number 3

Prepare for interviews by practising common frontend questions and coding challenges. We recommend doing mock interviews with friends or using online platforms to get comfortable.

✨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, we love seeing candidates who are proactive!

We think you need these skills to ace Senior Frontend Engineer - React/Typescript in London

React
TypeScript
Node.js
Frontend Development
AI Integration
Frontend Testing Strategies
Unit Testing
E2E Testing
Contract Testing
CI/CD Processes
DevOps Practices
Sentry
Datadog
Agile/Scrum Methodologies
Strong Communication Skills

Some tips for your application 🫡

Tailor Your Application: Make sure to customise your CV and cover letter to highlight your experience with React, TypeScript, and any AI-powered features you've worked on. We want to see how your skills align with our mission of creating engaging learning experiences!

Showcase Your Impact: When detailing your past projects, focus on the outcomes rather than just the tasks you completed. We care about how your contributions improved user experience and performance, so share those success stories!

Be Clear and Concise: Keep your application straightforward and to the point. Use clear language and avoid jargon where possible. We appreciate a well-structured application that makes it easy for us to see your qualifications at a glance.

Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, we love seeing applications come directly from our site!

How to prepare for a job interview at SoSafe

✨Know Your Tech Stack

Make sure you’re well-versed in React, TypeScript, and Node.js. Brush up on your knowledge of frontend testing strategies and observability tools like Sentry and Datadog. Being able to discuss your experience with these technologies confidently will show that you’re a strong candidate.

✨Showcase Your Problem-Solving Skills

Prepare to discuss specific examples where you've led the development of new features or improved user experiences. Think about how you’ve approached challenges in previous projects, especially in an Agile/Scrum environment, and be ready to share those stories.

✨Demonstrate Your Collaborative Spirit

Since this role involves cross-functional collaboration, be prepared to talk about how you’ve worked with other teams in the past. Highlight any mentoring experiences or how you’ve contributed to code reviews and architecture discussions to show you’re a team player.

✨Ask Insightful Questions

Prepare thoughtful questions about the company’s approach to AI-powered features, CI/CD processes, and their vision for the future of learning technology. This not only shows your interest but also helps you gauge if the company aligns with your career goals.

Senior Frontend Engineer - React/Typescript in London
SoSafe
Location: London
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