Full-Stack Software Developer

Greenpixie, a Climate-Tech Company, working on our cutting-edge software products.

Location: Hybrid (2+ days per week in our Central London office)

Employment Type: Full-Time

Salary Range:
£50 - 70k p.a. dependent on experience.
0.1% - 0.25% share options available.

The ideal candidate will have strong hands-on experience with modern web frameworks (ReactJS, Python, AWS) & APIs, as well as a working knowledge with back-end Python. AI development tooling such as Claude Code and Cursor is encouraged. Our technical tests may involve using AI support.

Greenpixie Ltd is an exciting, innovative tech start-up dedicated to measuring and reducing the environmental impact of cloud computing. Our mission is to develop cutting-edge methodologies and tools to accurately quantify cloud emissions, driving sustainability in public cloud usage.

• Building and maintaining APIs that power our products.
• Developing full-stack applications using React and Next.js, with a Python back-end.
• Build AI-driven product features with Claude Code, and continuously refine the prompts, patterns, and team workflows around it.
• Use frontend frameworks such as shadcn and tailwind-ui to build features without the need for high-fidelity designs.
• Working with our data team to surface insights in usable interfaces.
• Improving deployment pipelines and infrastructure (AWS, Terraform).
• Shipping iteratively and responding to customer feedback quickly.
• Collaborating directly with the platform and data teams to ensure seamless integration.
• Building a comprehensive understanding of our existing products and identifying areas for enhancement.
• Where required, helping with DevOps tasks and infrastructure automation.
• Documenting implementation processes clearly and concisely.
• Contributing to product discussions, bringing innovative solutions to complex challenges.
• Working as part of a tight-knit start-up team to make our vision of sustainability across the cloud a reality.

• 3+ years of experience in software development with a focus on building across the full stack of products.
• Designing features as they are built, extrapolating from existing or rough designs using UI frameworks such as shadcn and Tailwind UI.
• Experience building web applications with React and NextJS.
• Strong understanding of APIs (REST, GraphQL) and how to build and consume them, using Python in FastAPI, Flask or similar framework.
• Experience using Claude Code and/or Cursor to build features.
• Working knowledge of AWS or experience working with other major cloud platforms.
• Ability to work independently and manage multiple projects concurrently.
• Understanding of cloud infrastructure, deployment best practices & the ability to ship full-stack features quickly and iteratively.
• Strong problem-solving skills and clear communication.
• Nice to have: Experience with infrastructure-as-code and CI pipelines.
• Nice to have: Experience with data pipelines or working with large datasets.
• Nice to have: Passion for sustainability and reducing the environmental impact of cloud computing.
• We are a fast-growing start-up with a lot of moving parts - while we'll support you along the way, we want someone who is confident to work independently, as well as collaboratively.

• ️ Flexible working hours with hybrid office space in Central London.
• The opportunity to contribute to a meaningful project with a real-world impact.
• Working with a fun, passionate team in a company that is growing quickly.
• ️ Exposure to cutting-edge cloud technologies and large-scale data systems.
• Opportunities to attend global conferences in the tech and sustainability sectors. (even speaking opportunities if that floats your boat!)
• ️ Build up an extra day of holiday for every year you spend with us
• Competitive salary package.
• Share options scheme.

If you are passionate about building great products, software development and sustainability, we would love to hear from you. Please send your details to .