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Staff Software Engineer

Company:
Lunar Energy
Location:
London, Greater London, United Kingdom
Posted:
September 17, 2025
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Description:

At Lunar Energy, we're on a mission to transform the way we power our homes by building an ecosystem of all-electric products, starting with a next-generation home battery system and a cloud PaaS to manage large fleets of Distributed Energy Resources (DER) assets. Comprising a team of visionary entrepreneurs and dedicated technology and industry experts, we're united by our shared vision of deploying and building products to electrify homes that are connected through an integrated software platform.

We’re looking for a Staff Software Engineer to join our talented team of Software Engineers in the UK.

Your responsibilities will include:

Building the required platform infrastructure to ingest and process big streams of data in real time, using AWS primitives

Solving complex optimisation problems, using machine learning and other often bespoke algorithms

Designing and implementing the business logic to expose our functionality via APIs and UI interfaces, using functional programming and serverless computing

Your key skills & experience:

8+ years of experience as a Software Engineer

Experience in strongly typed languages, such as Typescript, Rust or others

Experience working with IoT devices in the cloud

Working experience with Unix operating systems

You enjoy working in a smaller team where you can see the huge impact of your work

You value learning and approach new information with an open mind, willing to reconsider your opinions when presented with compelling evidence

You are autonomous and enjoy managing your own workload and deadlines

Desirable skills:

Experience with the functional programming paradigm

Experience using AWS, serverless technologies and infrastructure as code

Experience with Machine Learning in Python

Professional experience in the renewable energy sector, or an interest in green tech

Joining us gives you:

A competitive salary and stock options package

Access to a private Medical Insurance scheme through BUPA (medical history disregarded)

A wellbeing and lifestyle benefits plan through Medicash

5% employer contributions pension matching

Life assurance & income protection schemes (available after 12 months of service)

A budget of £1,000 per financial year for work-related training and an allowance of 4 training days.

Cycle To Work scheme and Workplace Nursery benefit.

A £200 bonus upon joining for remote work setup.

Access to Spill - a Mental Health Support platform.

Enhanced Maternity and Paternity Pay

25 days of annual holiday entitlement plus 8 Bank Holidays.

Fully remote working within the UK

Duration: Full-time

Location: Fully remote work within the UK. You're also welcome to work from our office in Liverpool Street, London (UK), as frequently as you desire.

Inclusivity Matters: Lunar Energy is committed to being an equal opportunities employer, welcoming applications from individuals regardless of their race, gender, ethnicity, disability, religion/belief, sexual orientation, gender identity or expression, nationality, age, or social background. We actively encourage applications from underrepresented and minority groups, and we do not filter applications by university background, welcoming those who have taken alternative educational and career paths.

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