Senior Software Engineer, Ruby

We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle.

Key Responsibilities

• Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript.
• Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions.
• Contribute actively to our technology roadmap and priorities, working alongside your team members, key stakeholders, and leadership.
• Build a highly automated and reliable platform that serves both our external customers and internal teams.
• Take on ambiguous or loosely defined problems, analysing them, and proposing effective technical approaches and solutions.
• Have the opportunity to mentor more junior members as our team grows, sharing your knowledge and fostering a collaborative environment.
• Drive technical discussions and decisions within the team, ensuring solutions are scalable, maintainable, and align with long‑term strategic goals.
• Champion best practices in areas like system design, performance, security, and operational excellence.

About you

• 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript.
• Strong backend development skills with a willingness to contribute across the full stack.
• Proactive and self‑driven, able to take ownership of tasks from conception to deployment.
• Excellent communication skills, capable of translating complex technical concepts into clear, understandable language for non‑technical colleagues.
• Experience with various testing methodologies (e.g., unit, integration, end‑to‑end) and a commitment to writing well‑tested code.
• A commitment to robust and reliable software delivery, including familiarity with practices like no‑downtime deployments, proactive monitoring, and identifying potential risks.
• Proven ability to lead technical initiatives from concept to completion, often involving multiple team members or complex integrations.
• Well versed in production operations, incident response, and performance optimisation. You proactively identify and mitigate risks to ensure system stability and scalability.
• Hybrid working: Split your week between home and the office, with set in‑office days on Mondays and Wednesdays.
• Add 1 day holiday per year service + buy / sell up to 5 days each year.
• Flexible work policy with options to take into account family care.
• Best in class Family Friendly Leave and Pay.
• Use our own scheme to lease a vehicle through salary sacrifice and save 40-70% to drive a brand new electric car.
• £100 home office budget.
• Equity options – own a part of the business.

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