Lead JavaScript Engineer

Salary: £65,000 - 105,000 per year

Requirements:

• Proven experience building and developing robust, interactive websites and web applications
• Proficiency in frontend technologies such as VueJS, NuxtJS, React, or Angular
• Backend experience with at least one of NextJS, Express, or Koa
• Strong command of JavaScript, with working knowledge of TypeScript
• Familiarity with integrating external REST APIs and writing GraphQL solutions
• Ability to write unit, integration, and end-to-end tests for quality assurance

Responsibilities:

• Participate in the full software development life cycle, collaborating closely with the CTO
• Contribute to building the product roadmap and executing it effectively
• Engage in recruitment activities to expand the engineering team
• Perform code reviews and provide constructive feedback to improve code quality
• Contribute to product design and architecture decisions
• Develop robust and interactive websites and web applications
• Work with frontend technologies such as VueJS, NuxtJS, React, or Angular
• Apply backend experience with NextJS, Express, or Koa
• Integrate with external REST APIs and implement GraphQL solutions
• Write comprehensive unit, integration, and end-to-end tests to ensure code quality

Technologies:

• Angular
• Backend
• CTO
• Frontend
• GraphQL
• JavaScript
• NextJS
• NuxtJS
• REST
• React
• TypeScript
• Web
• Vue
• Java

More:

We are a fast-growing start-up in the energy space, recently secured with 500,000 in funding and planning to expand across Europe and the US within the next few months. We offer a competitive salary up to 80,000 per year, share options in a promising start-up, and a fully remote working arrangement. This is a unique opportunity to be our first engineering hire, working alongside a visionary CTO to build software that helps companies reduce energy consumption by up to 20% while growing into a leadership role as our engineering team expands.

last updated 34 week of 2026