Senior Software Engineer

We’re looking for a Senior Engineer with strong technical depth and a passion for building exceptional user experiences. You’ll play a key role in shaping our front-end architecture, collaborating closely with product and design teams, and delivering scalable, performant solutions used by legal professionals worldwide.

As a senior member of the team, you’ll act as a technical expert and a trusted partner helping to guide best practices, influence decisions, and mentor others through collaboration and example.

What you’ll do:

• Design and build sophisticated React applications integrating with Microsoft Word, M365, and other Office products using Office.js.
• Write clean, scalable, and maintainable code while driving performance and reliability.
• Collaborate with product, design, and engineering teams to deliver user-focused, accessible features.
• Contribute to architectural discussions and help shape the evolution of our tech stack.
• Mentor and support team members through knowledge sharing, code reviews, and best practice guidance.
• Troubleshoot complex technical challenges and drive continuous improvement through automation and AI-assisted workflows.
• Maintain high-quality standards with robust testing, documentation, and security practices.

What you’ll bring:

• 4+ years of hands‑on experience building production React applications.
• Familiarity with agentic coding assistants such as Claude Code or similar AI tools.
• Excellent communication and collaboration skills in English.
• Proven ability to work independently while contributing effectively to team goals.
• Experience working successfully in hybrid or remote development environments.
• Solid understanding of React performance optimisation (e.g. memoisation, code splitting, avoiding unnecessary re‑renders).
• Experience with Git, version control best practices, and CI/CD pipelines.

We’ll be lucky if you have:

• Knowledge of Microsoft Office Add‑in guidelines and Office Store submission processes.
• Prior experience in product‑focused or startup environments.
• Exposure to AI‑powered developer tools and automation workflows.

What we offer:

• Competitive salary + bonus
• Share options
• Quarterly team socials & annual company offsite
• We can offer hybrid or remote working for this role
• 1 month “work from anywhere”
• Take your birthday off
• £750 annual learning & development budget
• Enhanced parental leave
• …