Greenpixie

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 will be testing candidates both with and without AI support. Who are Greenpixie? 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. What are we looking for? We are seeking a dedicated and passionate Full-Stack Software Developer with 3+ years of experience to join our growing team. The ideal candidate will have a solid background in Javascript & Python development, experience building web applications with React, and a core understanding of APIs and modern infrastructure tooling. You will play a key role in building the applications and tools that surface our cloud sustainability insights to customers, contributing to our mission of making cloud computing more environmentally responsible. This role requires a product-minded developer who can own features end-to-end and will work directly with other areas of the business to build amazing things. What will you be doing? 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. What skills are we looking for? 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. What We Offer? ️ 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 2 weeks global remote working allowance Competitive salary package. Share options scheme. How to Apply: If you are passionate about building great products, software development and sustainability, we would love to hear from you. Please send your details to . The pay range for this role is: 50,000 - 70,000 GBP per year(London) PI408b06ecc26b-8912