Head of Engineering, Sunsave
Meaningful Equity
3+ days a week in office (Holborn, London)
The UK’s first solar subscription
Open for applications
The UK’s first solar subscription
21-100 employees
Open for applications
Meaningful Equity
3+ days a week in office (Holborn, London)
21-100 employees
Company mission
Save every household meaningful money by putting power in their hands
Role
Who you are
- A proven engineering leader: you've led engineering teams before, or you're a strong lead ready to step up. You'll be our senior-most technical person as we scale through Series B
- Startup experience: you've built at early-stage startups (Series A to Series C) and know what shipping at that pace and stage actually takes
- Hands-on builder and architect: you write production code today, design systems, and make trade-offs beyond individual features, and have done so in early-stage environments. You know when to hack and when to invest
- A culture setter: you set the bar on output and intensity and hold people to it. Engineers who've worked with you got better because you were there. You've hired exceptional people before
- Genuinely AI-native: you use AI daily in your own workflow and in what you build on the side; shipping AI features in a previous role is a plus. You have a clear point of view on where AI creates real leverage
- Knowledge of our stack or appetite to learn: Python for AI/data science; TypeScript, React/Next.js, Node.js, Postgres and AWS across the rest.
Desirable
- Domain experience: you've worked in energy/optimisation or fintech; you'll be working across both
What the job involves
- Lead and transform the engineering team: raise the bar on output and pace, mentor and unblock the team - our default is leverage over headcount: make the engineers we have faster before adding more. Own hiring where required as we scale toward Series B
- Engineering strategy and architecture: define and own the multi-year technical strategy and architecture across solar, batteries, EVs, energy supply, the optimisation/dispatch layer and AI. You'll decide what we build, what we buy, and what we hire for, including bringing in deep specialist talent where the problem demands it
- Output focussed: stay close to the work. Write production code, shape architecture, lead by building. Where you spend your time is your call, judged on what you deliver
- Own the AI platform: the context layer that makes Sunsave readable by AI, the harness employees run agents through, and the eval and autonomy bar agents must clear in a regulated business. Lead the AI builders who deploy into departments
- Represent Engineering: at the leadership table, with investors, and cross-functionally with Product on where we trade off speed, quality, and long-term value
Application process
- Stage 1: Intro and initial CV review (~30 mins)
- Stage 2: Technical test, shared in advance (~1 hour)
- Stage 3: Architecture session (~45 mins)
- Stage 4: Culture and fit (~1 hour)
- Stage 5: Leadership team (~1 hour)
- References
Salary benchmarks
Our take
Sunsave is building what replaces your energy supplier. Energy companies sell power from a grid that gets more expensive every year. Sunsave believes the future of energy is decentralised, and they're building the company that brings that to the masses.
The national grid is creaking. Only 40% of a household's energy bill is actually used; the rest is grid cost, levies and policy costs. Even if wholesale energy prices drop, bills will keep increasing for decades. People are paying for a problem they didn't cause and can't control.
As energy decentralises, home energy is unbundling: a different company for the install, another for monitoring and maintenance, another for the financing, another for battery optimisation & trading. Sunsave bets that whoever puts it all back together into a single bill and a joined-up customer experience wins.
Founded in 2022, Sunsave lets people switch without paying anything upfront and offers an all-in-one package with kit, installation, finance and long-term protection. Battery optimisation and grid trading let customers charge when energy is cheap and sell it back when it's expensive, balancing the grid, earning money while they sleep and pushing their bill towards zero.
The traction shows their bet is paying off, with Sunsave raising a £113m Series A in 2025 and growing 3x that year. Growth is accelerating further in 2026, placing the company in the top 20 of Sifted's fastest-growing UK startups list two years running.
Steph
Company Specialist at Welcome to the Jungle
Insights
Company
Funding (last 2 of 3 rounds)
Jul 2025
$17.7m
SERIES A
Dec 2023
$7.4m
SEED
Total funding: $31.4m
Company benefits
- Private health insurance (incl. dependents under 18)
- Mental health support
- Monthly wellness budget (Juno)
- Enhanced maternity and paternity leave
- Team social events (remote & live)
- 25 days holiday (excl. bank holidays)
- Fortnightly company social events
- Quarterly team social outing
- Quarterly women's dinner/social
- Remote working home office budget
- Cycle to work scheme
Company values
- We're changing how people power their lives: We know that only doing what’s familiar or easy isn’t going to get us there, so we’re unashamedly ambitious and set audacious goals. We’re excited by the hard problems that come with accomplishing something difficult, and we do whatever it takes to get closer to achieving our mission
- We start with the customer: We’re here to help real people, so their voices are at the centre of everything we do. We know that we can’t create a hugely successful business without building things that people really love. So everything we do starts with us asking: ‘What’s best for the customer?’
- We make it happen: We act with urgency, constantly prioritising to make sure we channel our energy into what matters most. We believe every problem has a solution, and we take ownership to figure it out. When we don’t have perfect information it doesn’t slow us down: we act, learn and adapt
- We drive each other to be exceptional: We’re one team, made stronger by supporting each other, sharing openly, and holding ourselves and each other to the highest standards. We prize honest constructive feedback, and we value fresh perspectives and respectful differences of opinion. We win, lose and learn together, and don’t let silos or egos get in the way
Company HQ
Holborn, London, UK
Articles
Leadership
Alick Dru
(Co-Founder)Ex VC Investor at SoftBank Vision Fund, ex Strategy Consultant at Strategy&, ex Founder at Spires, ex Founder at Tripr. Ex Oxford University.
Ben Graves
(Co-Founder)Ex PE Investor at EMK, ex Strategy Consultant at BCG, ex Customer Success at Triptease. Ex Oxford University.
People progressing
I joined Sunsave as an Operations Associate and was promoted to Senior Operations Associate after 9 months and to Ops Manager after a further 10 months. I now manage a full team.
I joined Sunsave as a Sales Specialist and was promoted to Sales Development Manager after 6 months. I now manage the Sales team as a whole.
Diversity, Equity & Inclusion at Sunsave
- One of our core values as a young start up is that there's strength in diversity.
- We believe that a team with different perspectives, backgrounds and life- experiences will always outperform a homogenous one.
- Practical ways we show our commitment to building a diverse and inclusive team are:
- Flexibility of working hours and benefits to ensure employment suits different circumstances
- Enhanced parental leave
- Utilising software to test all job descriptions for unconscious bias
- Recruitment processes that are inclusive of our wider team and include an objectively measured skills based assessment wherever appropriate
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