Senior Software Engineer, Ruby

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Senior Software Engineer

Hayes, London

Hybrid


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.


As the UK’s only B Corp Certified salary sacrifice provider, we’re transforming the future of electric vehicle adoption in the UK through salary sacrifice. Building on that success, we’ve launched The Charge Scheme – an innovative benefit allowing employees to save 20–50% on EV charging via salary sacrifice. Voted 4.9 on Glassdoor and certified by Welcome To The Jungle, it’s never been a more exciting time to join!


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.



Benefits:

  • Hybrid working: Split your week between home and the office, with set in-office days on Mondays and Wednesdays
  • 25 days holiday plus bank holidays
  • 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
  • £500 pa. personal development budget
  • £100 home office budget
  • Bupa healthcare
  • Equity options – own a part of the business
”, “datePosted”: “2026-05-02”, “hiringOrganization”: { “@type”: “Organization”, “name”: “The Electric Car Scheme”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__420282987__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: The Electric Car Scheme
Apply for the Senior Software Engineer, Ruby
Location: London
Job Description:

Senior Software Engineer

Hayes, London

Hybrid

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.

As the UK’s only B Corp Certified salary sacrifice provider, we’re transforming the future of electric vehicle adoption in the UK through salary sacrifice. Building on that success, we’ve launched The Charge Scheme – an innovative benefit allowing employees to save 20–50% on EV charging via salary sacrifice. Voted 4.9 on Glassdoor and certified by Welcome To The Jungle, it’s never been a more exciting time to join!

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.

Benefits:

  • Hybrid working: Split your week between home and the office, with set in-office days on Mondays and Wednesdays
  • 25 days holiday plus bank holidays
  • 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
  • £500 pa. personal development budget
  • £100 home office budget
  • Bupa healthcare
  • Equity options – own a part of the business

Posted: May 2nd, 2026