Senior Full Stack Engineer

Job Role: Senior Full Stack Engineer
Working Model: Permanent
Location: Remote
Salary: Up to £85,000

Are you a passionate full-stack engineer who thrives in high-growth, fast-paced environments?

Do you love building across both Front End and Back End systems, solving complex engineering challenges, and shaping seamless user experiences?

This is an exciting opportunity to join a rapidly scaling cybersecurity organisation building world-class technology that helps enterprises understand how they could be compromised - in Real Time. You'll work within a high-energy, research-driven engineering function focused on delivering innovative, impactful features used by some of the world's most advanced security teams.

About the Role

As a Senior Full Stack Engineer, you'll design, build, and maintain high-quality features across Back End and Front End systems. You'll work closely with designers, product managers, and fellow engineers to translate vision and requirements into scalable, elegant solutions.

You'll play a key role in elevating product performance, solving deep engineering challenges, and driving improvements across standards, processes, and tooling.

Key Responsibilities

• Build, enhance, and maintain full-stack features across Back End and Front End systems.

• Translate product and UX requirements into reliable, scalable, high-performance code.

• Collaborate cross-functionally to deliver polished, seamless product experiences.

• Solve complex problems related to scalability, performance, and developer experience.

• Elevate engineering processes, standards, and tooling across the team.

Essential Skills & Experience

Ideally, you will bring 5+ years of full-stack development experience, including:

• Experience building enterprise SaaS products, ideally within cybersecurity (Threat Intelligence or Offensive Security a plus).

• Strong Back End engineering skills with TypeScript and NestJS (REST, GraphQL, Sequelize).

• Frontend expertise with React, Next.js, TypeScript, Chakra UI, and React Query.

• Experience designing and implementing data-driven dashboards and complex UIs.

• Strong understanding of relational (MySQL) and NoSQL databases.

• Excellent debugging, troubleshooting, and performance optimisation skills.

• Ability to work from complex Figma designs and business logic diagrams.

• Proven ability to thrive in high-growth, fast-moving environments.

• Proactive, ownership-driven mindset with strong collaboration skills.

• Ability to learn rapidly and adapt to evolving priorities.

Preferred Experience:
Candidates with startup or scale-up experience are strongly encouraged to apply.

Desirable Skills

• Experience with AWS and Kubernetes.

• Familiarity with workflow engines (Xstate, Argo Workflows).

• Knowledge of computer infrastructure and networking

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.