Senior Software Engineer (EMO)

OVO; Greater London; On-site; GBP 58,000 - 90,000; Full time

Benefits offered by this job

Hybrid work model

15% on-target bonus

Flexible benefits

34 days holiday

Health insurance

Job summary

OVO is seeking a Senior Software Engineer to own end-to-end development of complex systems at hub-based offices in London, Bristol, or Glasgow, with a hybrid setup. The role emphasizes technical leadership, architecture decisions, and mentoring engineers to raise capabilities.

You'll work across backend, cloud, and frontend technologies (Node.js, Python, TypeScript; React). The position offers a 12-month fixed term contract, 58k-90k GBP, plus a 15% on-target bonus and generous flexible benefits.

Qualifications

• Significant hands-on software development in an agile environment.
• Experience designing scalable microservices architectures.
• Proficient in Node.js, Python, and TypeScript.

Responsibilities

• Own end-to-end development of complex systems and features.
• Lead technical initiatives and design decisions.
• Mentor engineers to raise team capabilities.
• Ensure scalable, high-quality software delivering business value.

Skills

Backend development

Microservices

Cloud platforms

CI/CD

Frontend React

Tools

Node.js

Python

TypeScript

Docker

Kubernetes

React.js

React Native

GCP

AWS

Job description

Role OVO-View

Team: EMO

Location: Hub Based - Hybrid for all

Salary banding: £ 5 8,000 - £ 9 0,000

Experience: Senior

Working pattern: Full-Time / Fixed Term Contract for 12 months

Reporting to: Delivery & Growth Lead

Sponsorship: Unfortunately we are unable to offer sponsorship for this role.

This role in 3 words: Build, Collaborate, Deliver

Top 3 qualities for this role: Communication, Delivery Expertise, Amplification

Where you ’ l l work:

Depending on the needs of your business area, we expect hub based people to be in the office at least once a week, and to go to OVO Connection events in-person.

You ’ l l be assigned to the closest one of our three hub offices, Bristol, Glasgow, or London; unless your role requires field-based work. Each hub has accessible spaces to park your laptop, is designed to inspire people, help them connect and bring big ideas to life.

Everyone belongs at OVO:

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 ’ l l be joining plays a gigantic role in making that happen. Here ’ s how:

As a Senior Software Engineer, you ’ l l own the end-to-end development of complex systems and features that are core to our business.

This role in a nutshell:

This is a 12 month fixed-term contract. You will lead technical initiatives, make critical design decisions, and mentor engineers to elevate the team's capabilities. Your expertise will be the driving force that ensures we build scalable, high-quality software that pushes our company forward.

Your key outcomes will be:

• Technical Leadership & Architecture: Drive the architectural vision for key features, designing robust, scalable systems and contributing to the technical roadmap to influence the future direction of the product.
• Engineering Excellence & Quality: Champion best practices by writing clean, efficient code, leading rigorous code reviews, and implementing comprehensive automated testing to ensure high-quality, performant solutions.
• Mentorship & Team Growth: Lead and mentor other engineers, fostering a culture of continuous learning and collaboration through knowledge sharing, technical discussions, and constructive feedback.
• Project Execution & Delivery: Translate complex projects into clear, executable tasks within an Agile framework, proactively resolving blockers to ensure the timely and efficient delivery of team commitments.
• Community & Knowledge Sharing: Actively contribute to the wider engineering community by leading discussions, sharing expertise through documentation and workshops, and driving the exchange of best practices.

You ’ l l be a successful Senior Software Engineer at OVO if you …

Professional Experience: Significant hands-on experience developing software in an agile environment, with a proven track record of delivering high-quality, clean code.

Backend & Architecture: Expertise in designing and building scalable microservices-based architectures using languages like Node.js, Python, and TypeScript.

Cloud & DevOps: Hands-on experience with cloud platforms (GCP, AWS), containerization (Docker, Kubernetes), and modern CI/CD practices.

Frontend Development: Proficiency in modern frontend frameworks such as React.js and/or React Native.

Leadership & Mentorship: Proven ability to lead technical initiatives and mentor other engineers, fostering a culture of technical excellence.

Collaboration & Problem-Solving: Excellent communication and analytical skills, with the ability to thrive in a high-ownership, collaborative team environment.

Let ’ s talk about what ’ s in it for you:

We ’ l l pay you between £ 5 8,000 and £ 9 0,000, 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 ’ l l 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 … a nd 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 ’ l l 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 £ 4 00 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 ’ r e 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.