Software Engineer; JavaScript

Company Description

Heatly recently welcomed United Living Group as a majority shareholder. The strategic partnership underpins our future growth by providing the financial strength and industryneeded to expand our services and reach.

United Living Group's investment enables Heatlyto enhance our capabilities, broaden our product scope and accelerate our market expansion efforts with a core focus on the regulatory global decarbonisation of heat, initially through heat pump roll out and with £ of UK Gov development funding already injected. We have developed a Software as a Service (SaaS) platform that is currently at the MVP stage and is now starting to ope rationalise and commercialise having gained enterprise “proof of concept” contracts with two of the largest energy companies.

Our focus is on delivering net zero emissions from domestic heating which is aligned with the UK government’s ambition. So far approximately 190+ million heat pumps are installed globally which accounts for only 10% of overall sales and only 20 million of these are in Europe. There is a significant ‘Total Addressable Market’ (TAM) of over million heat pump installs happening every month making our proposition leading edge with significant growth potential.

Our SaaS platform utilises cutting edge scanning technology that is operating system agnostic, using these methods heatly is redefining how technology is used to survey and create building digital twins.

We require talented people to join our team to turn our MVP into a fully working, scalable technology proposition to deliver our ambition and be first to market.

You will already have worked in a similar startup environment and have a proven track record in delivering, fast, quality and scalable technology platforms, with time pressure to ensure we are first to market.

We are seeking a versatile and skilled Staff Software Engineer (JS). The successful candidate will be responsible for the development and implementation our platform and application services, ensuring they meet the highest standards of quality, security, and performance. This hands‑on role requires a strong grasp of JavaScript / Type Script, CI / CD pipelines, Service Design, Design Patterns and a solid understanding of the wider technical stack.

A strong background in agile development, code reviews and rapid software iterations is essential.

Experience with WebGL whilst not essential, would be preferrable.

• You will sit inside a cross-cutting technical pod, supported by dedicated UI / UX, PMO and Dev Ops roles.

• Design and develop software solutions:
  Write clean, maintainable, and efficient code for our platform and applications. This includes developing new features, fixing bugs, and optimising existing code.
• Implement features and enhancements:
  Collaborate with product managers and other developers to implement new features and improve existing ones. Participate in design discussions and provide input on technical feasibility and best practices.
• Ensure security by design:
  Integrate security best practices into the development process to ensure that software is secure from the ground up. Conduct regular code reviews and security assessments to identify and mitigate potential vulnerabilities.
• Optimise for performance and scalability:
  Design and implement solutions that can dynamically scale to meet varying demands and ensure high performance and availability. Use profiling tools to identify performance bottlenecks and optimise code accordingly.
• Develop APIs and microservices:
  Design and implement APIs and microservices to support the platform’s functionality. Ensure that APIs are secure, scalable, and well‑documented.
• Strong Experience with JavaScript / Type Script, particularly with modelling in WebGL. Experience with the various JS testing frameworks and the ability to optimise rendering and performance of client‑side rendering. Some of our JS stack uses in‑house, low‑level WebGL libraries.

• Implement and manage CI / CD pipelines:
  Set up and maintain continuous integration and continuous deployment pipelines to ensure efficient and…