Software Engineer (JavaScript)

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

United Living Group's investment enables Heatly to 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 £1.8m 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 operationalise 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 1.5 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/TypeScript, 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 DevOps roles.

Key Responsibilities

Software Development:

• 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/TypeScript, 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.

Experience with CI/CD:

Alongside our DevOps Teams you will help to;

• Implement and manage CI/CD pipelines: Set up and maintain continuous integration and continuous deployment pipelines to ensure efficient and reliable software delivery.
• Integrate security into the CI/CD process: Implement security checks and controls at every stage of the pipeline to ensure secure software delivery. Use tools to perform static code analysis, vulnerability scanning, and compliance checks.

Agile Development:

• Participate in agile ceremonies: Engage in sprint planning, daily stand-ups, and retrospectives to ensure effective and efficient development cycles. Collaborate with team members to refine requirements, estimate tasks, and plan sprints.
• Collaborate with cross-functional teams: Work closely with product managers, and other developers to deliver high-quality software solutions. Foster a culture of collaboration and knowledge sharing within the team.
• Continuously improve processes: Identify and implement improvements to development and testing processes to increase efficiency and quality. Stay up-to-date with industry best practices and emerging technologies.

Qualifications

• Bachelor’s or Master’s degree in Computer Science or a related field.

Experience:

• Proven experience as a senior Software Developer in a tech start-up or fast-paced environment.
• Strong background in agile development methodologies.
• Experience with devops practices and CI/CD pipeline implementation.
• Experience with API (RESTful/Socket/OpenQL), microservice architecture and development.
• Experience with cloud-native platform patterns

Technical Skills:

High Proficiency with JavaScript/TypeScript, experience with .NET would be a bonus

• Experience with SQL, including schema design and optimisation
• Experience with testing frameworks and tools
• Knowledge of CI/CD tools
• Familiarity with security tools and practices
• Experience with defining and then consuming RESTful APIs and microservices.
• Experience with data scraping, modelling and security
• MVP is currently built using the following technologies and development languages; .NET (6), C#, React, JS,MySQL, Docker, and Python. This role firmly leans towards the JS aspect of that MVP.

Soft Skills:

• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.
• Ability to work in a fast-paced, dynamic environment and manage multiple priorities.
• Attention to detail and a proactive approach to identifying and addressing issues.
• Experience working on mission-critical or SaaS services is desirable
• Develop and execute test plans: Create comprehensive test plans and test cases to ensure that software meets quality standards. This includes functional, regression, performance, and security testing.
• Automate testing processes: Use to automate functional, regression, and performance testing. Ensure that automated tests are integrated into the CI/CD pipeline and run regularly.
• Conduct code reviews: Review code written by other developers to ensure it meets quality and security standards. Provide constructive feedback and suggest improvements.
• Identify and resolve defects: Work closely with developers to identify, document, and resolve software defects. Use bug tracking tools to manage and prioritise issues.