Staff Software Engineer (m/w/d)

Job Description

At OVO, we are on a mission to solve one of humanity's biggest challenges, the climate crisis. And we know it takes all of us to change the world. That's why we need diverse people from all abilities, gender identities, ethnicities, ages, sexual orientations, life experiences and backgrounds to join us.

Teamworking for the planet

Everything we do here spins around Plan Zero. So, naturally, the team you'll be joining plays a gigantic role in making that happen.

This role in a nutshell

As a Staff Mobile/Web Engineer, you'll be a hands-on technical leader across one or more teams. You'll shape and deliver architecture within your domain, raise engineering standards, and mentor engineers to multiply impact. You'll partner closely with Product, Design, and Backend teams, contribute to our design system and shared libraries, and help the Community of Practice drive consistent, modern front-end practices across squads.

Your key outcomes will be

• Own the end-to-end technical delivery for complex initiatives, balancing architecture, quality, and speed.
• Contribute to and evolve our mobile/web architecture within your domain (design system adoption, shared libraries, cross-platform patterns).
• Set and uphold engineering standards for performance, accessibility, observability, security, and reliability across apps and web properties.
• Influence API and BFF design to optimise client-server contracts and reduce complexity at the edges.
• Reduce tech debt with clear, measurable plans; guide teams through refactors and incremental modernisation.
• Mentor and grow engineers (pairing, design reviews, talks), building a strong pipeline of future staff engineers.
• Contribute to hiring through calibrated interviews and fair, skills-based assessments.
• Support incident response and own the operational excellence of your services.

Within your first 6 months month you'll

• Be recognised as a trusted leader and advisor across multiple teams and in the Mobile/Web Community of Practice.
• Co-lead architectural reviews within your area/team, author ADRs, and drive adoption of agreed patterns; partner with Principals on org-wide standards.
• Define and own performance & accessibility targets for your domain.
• Act as the primary technical counterpart to Product, Design, and Backend for your team, planning work, aligning roadmaps, and unblocking cross-team dependencies.
• Level up the craft through mentoring, design/code reviews and pair programming.
• Play an active role in hiring top talent into the mobile/web engineering teams.
• Drive discussions and contribute in the Mobile/Web Community of Practice, fostering collaboration and knowledge sharing across the organisation.

You'll be a successful Staff Mobile/Web Engineer at OVO if you...

• Bring deep expertise in mobile/web engineering, including TypeScript/Javascript, React.js, React Native, Swift and/or Kotlin is a plus.
• Have a track record of technical leadership, leading complex projects across squads-aligning stakeholders, unblocking teams, and shipping reliably.
• Are passionate about performance, UX, and accessibility, and know how to measure and improve them in production.
• Are an excellent communicator and mentor, raising the bar around you.
• Thrive in innovation, exploring and applying emerging frontend technologies.
• Are hands-on, actively contributing to design, code, and architecture while leading by example.

Let's talk about what's in it for you

We'll pay you between ??95,833 and ??138,000, depending on your specific skills and experience.

We keep our pay ranges broad on purpose to give us, and you, flexibility to match your experience to our zero carbon mission.

You'll be eligible for an on-target bonus of 15%. We have one OVO bonus plan that focuses on the collective performance of our people to deliver our Plan Zero goal.

We also offer plenty of green benefits and progressive policies to help you feel like you belong at OVO...and there's flex pay. We'll give you 9% Flex Pay on top of your salary - 4% of this is auto enrolled into your pension, and the remaining 5% is yours to do what you like with. You can use this to buy from our extensive range of flexible benefits, including our green benefits which we've put at the heart of our offering, add to your pension or even take it as cash.

Here's a taster of what's on offer:

For starters, you'll get 34 days of holiday (including bank holidays).

For your health
With benefits like a healthcare cash plan or private medical insurance depending on your career level, critical illness cover, life assurance, health assessments, and more

For your wellbeing
With gym membership, travel insurance, workplace ISA, will writing services, dental insurance, and more

For your lifestyle
With extra holiday buying, discount dining, home & tech loans, and supporting your favourite charities with give-as-you-earn donations

For your home
Get up to ??400 towards any OVO Energy plan, plus great discounts on solar, smart thermostats and EV chargers

For your commute
Nab a great deal on ultra-low emission car leasing, plus our cycle to work scheme and public transport season ticket loans

Want to hear about our full range of flexible benefits and progressive people policies? Our People Team can tell you everything you need to know.

For your Belonging

To find better ways to support our people, we need to listen to each other's experiences and find ways to build a truly inclusive and diverse workplace. As part of this, we have 8 Belonging Networks at OVO. Led by our people, for our people - so when you join OVO, you can play a part - big or small - with any of the Networks. It's up to you.

Oh, and one last thing...

We'd be thrilled if you tick off all our boxes, yet we also believe it's just as important we tick off all of yours. And if you think you have most of what we're looking for but not every single thing, go ahead and hit apply. We'd still love to hear from you!

If you have any additional requirements, there's a space to let us know on the application form; we want to make the process as easy and comfortable for you as possible.