Senior Product Engineer, Greenpixie
Frontend Focus
£60-90k
+ Share options
2-5 days a week in office (Central London)
A Sustainability Tech Company
Be an early applicant
A Sustainability Tech Company
1-20 employees
Be an early applicant
£60-90k
+ Share options
2-5 days a week in office (Central London)
1-20 employees
Company mission
Maximising cloud value with sustainability.
Role
Who you are
- Deep experience building and scaling full-stack systems with React / Next.js & Python
- Proven experience owning frontend architecture or major product surfaces
- Strong full-stack capability (APIs, backend systems, ideally Python)
- Exceptional product and UX judgement
- Experience designing systems and interfaces from first principles
- Ability to operate as a technical leader without formal authority
- Strong communication and decision-making skills
- Clear communication and a product-focused mindset
Desirable
- Backend experience using Python (FastAPI, Flask, or similar)
- Experience defining or scaling a design system
- Experience with AWS, Terraform, or modern cloud infrastructure
- Experience in data-heavy or complex B2B products
- Familiarity with AI-assisted development workflows
- Interest in sustainability and reducing the environmental impact of cloud computing
What the job involves
- We are hiring a Senior Product Engineer with a strong frontend focus and full-stack capability
- This is a product-minded engineering role with real ownership
- You will take features from rough concepts through to production, with a particular focus on building high-quality, intuitive user experiences
- You will define how the frontend is structured, how products feel to use, and how the team approaches building user-facing features
- You will act as a key technical and product voice, working closely with leadership, engineering, and data teams
- Own and define the frontend architecture across a variety of products
- Set standards for UI quality, interaction design, and performance
- Act as the go-to expert for frontend and UX decisions
- Design and build complex product features end-to-end
- Translate highly technical data into intuitive product experiences
- Shape product direction in collaboration with founders and the wider team
- Establish and evolve a design system and component architecture
- Improve development workflows, including use of AI tooling
- Contribute across the stack (React / Next.js + Python)
- Guide technical decisions without formal line management
- Raise the bar across engineering through example and feedback
- Document decisions clearly and pragmatically
- AI development tooling such as Claude Code and Cursor is encouraged. Our technical tests will assess candidates both with and without AI support
- We are a fast-growing start-up with a lot of moving parts. We want someone comfortable working independently, making decisions, and collaborating closely with others
Salary benchmarks
Our take
The tech sector is predicted to account for 10-20% of the world's electricity consumption by 2023, yet the environmental impact of cloud computing remains largely unaddressed. Greenpixie is stepping in, on a mission to sustainably optimise the cloud with scalable software tools that help businesses measure and reduce their cloud computing carbon emissions.
By offering detailed, usage-based sustainability data for hyperscaler cloud users (such as AWS and Azure), Greenpixie is empowering organisations to make data-driven decisions that support both environmental and financial goals.
Its a novel idea and as the company goes forward, it's in a good position to play a pivotal role in the GreenOps movement. By integrating sustainability tracking with cloud cost management, Greenpixie offers businesses a unique solution to reduce their carbon footprint while optimising their cloud operations and as the demand for cloud computing grows, Greenpixie will be sure to an essential in helping organisations reach their environmental goal efficiently.
Freddie
Company Specialist at Welcome to the Jungle
Company
Funding (2 rounds)
Jul 2023
$0.1m
GRANT
Jul 2022
$0.4m
SEED
Total funding: $0.5m
Company benefits
- Flexible Working Hours
- Share Options Scheme
- 2 weeks global remote working allowance
- Opportunities for travel and public speaking
- Training and learning budgets
Company HQ
Holborn, London, UK
Leadership
John Ridd
(CEO)John is a creative CEO providing high fidelity data to enable enterprise to reduce millions of tonnes of co2e from cloud computing (2%+ total global emissions).
William Tinney
(CTO)In 2021, William founded Greenpixie to build data solutions to tackle the growing climate change issues arising from cloud computing.
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