Senior Software Engineer

Company: Tech Ladies®
Apply for the Senior Software Engineer
Location: London
Job Description:

Job Description

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 a UK B Corp Certified salary sacrifice specialist, The Electric Car Scheme is on a mission to make net zero the obvious choice by making electric cars and other Net Zero Benefits easy, affordable and simple for employers to offer their people. Built on best-in-market pricing, complete employer protection and trusted 5‑star service, we are accelerating the UK towards a net zero future while creating win‑win outcomes for our customers, our team and the planet.

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 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, analyse them, and propose effective technical approaches and solutions.
  • Mentor more junior members as the team grows, sharing 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 of 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 per annum personal development budget.
  • £100 home office budget.
  • Bupa healthcare.
  • Equity options – own a part of the business.

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Posted: May 24th, 2026