Staff Frontend Designer

JobsCloseBy Editorial Insights

Lunar Energy is seeking a Staff Frontend Designer to join a small, collaborative team and shape the TS+React front end for Lunar Gridshare, which optimizes solar, home storage, EVs and other energy flows. You will own high impact UI/UX work, contribute to a robust component library, and ensure consistency across teams. To apply, showcase a strong portfolio with UI/UX, data visualizations and motion design, plus expert frontend skills (TypeScript, React, HTML/CSS) and tooling (Figma, Adobe Suite, Sketch). Demonstrate experience building complex components and a comfort with functional programming. Highlight autonomous delivery in a small team, mentoring or leadership if relevant, and tailor your materials to energy or data visualization contexts while proving collaboration with diverse stakeholders and meeting deadlines.

Lunar Gridshare is transforming how we use and manage energy in the home and on the grid. We manage solar, home energy storage systems, electric vehicles, and other energy-intensive flows in the home, optimising value and efficiency for end users and energy companies to reduce costs and carbon footprint.

We are looking for a Staff Frontend Designer to join our small, focused and collaborative team of talented developers. Your work will focus on the Typescript+React-based web front-end to our platform, and its corresponding UI/UX designs.

Your responsibilities would include:

• Taking initiative to ensure delivery of high stakes and/or time sensitive deliverables
• Working and coordinating across multiple teams to ensure delivery, raise standards and ensure consistency
• Ensuring the quality and reliability of the Lunar Energy component library both at the software and design level
• Contributing to the continual improvement of our development best practices

You will be supported to work and grow your knowledge on multiple parts of the stack according to your interests and abilities. Our team has a strong tradition of using functional programming and type systems to build pragmatic and flexible systems to solve business problems.

Your key skills & experience:

• Expert level in Typescript, React and front-end development (HTML/CSS)
• Expert level in UI/UX design, and tools such as Figma, Adobe Suite, and Sketch
• Strong visual portfolio showcasing UI/UX design, data visualisations, and motion design.
• Experience in developing component libraries, including complex, high-interaction components such as charts, tables, date pickers, and other advanced UI patterns.
• Experience working in a functional programming paradigm or openness to doing so
• Working experience with Unix-like operating systems
• You love working in a smaller team where you can see the huge impact of your work
• You are autonomous and enjoy managing your workload and deadlines

Optional/useful:

• Experience mentoring other developers and providing leadership on technical decisions
• Experience with AWS, particularly serverless architecture
• Ability to work independently, using your assessment of the technical landscape to work out where you will be most effective
• Ability to engage with multiple technical stakeholders and teams, to find common needs and themes

Joining us gives you:

• A competitive salary and stock options package
• 25 days annual leave a year + public holidays 
• Private Medical Insurance via BUPA (medical history disregarded)
• A wellbeing and lifestyle benefits plan through Medicash
• 5% employer contributions pension matching
• A budget for work-related training of £1,000 per financial year and an allowance of 4 training days
• Cycle To Work scheme and Workplace Nursery benefit
• Access to Spill - Mental Health Support platform
• Enhanced Maternity + Paternity Pay
• Regular socials and activities, online and in-person
• Flexible start and finish times, fully remote working or hybrid depending on preferences

Duration: Full-Time

Location: Fully remote, but you are welcome any time at our office in Spitalfields, London (UK), as often as you like.

We are proud to be an equal opportunities employer and welcome applications from all suitably qualified persons regardless of race, sex, ethnicity, disability, religion/belief, sexual orientation, gender identity or expression, nationality, age or social background. We would like to actively encourage applications from those who identify with less represented and minority groups. We do not filter applications by university background and encourage those who have taken alternative educational and career paths to apply