About Green Project: At Green Project Tech, we’re building the intelligence layer behind sustainable supply chains. Our UK team leads on Engage50 (supplier engagement for enterprises) and Product50 (efficient PCF / carbon footprint calculation at scale). These tools feed into Account50 and Act50, powering a full-stack sustainability platform used by enterprises and SMEs across the GPT / ACT ecosystem. ACT, our parent company, is a global leader in sustainable products — giving us reach and credibility, with the autonomy and excitement of a startup.Green Project is looking for a Backend Software Engineer to build the backend systems powering Engage50 and Product50 — tools that help enterprises and suppliers reduce their carbon footprint. You’ll design and deliver reliable services in Go, leverage AI tooling to ship faster and smarter, and play a key role in scaling the foundation of our sustainability platform.Responsibilities: <ul><li>Design, build, and maintain backend services in Go that scale across Engage50 and Product50.</li><li>Develop and operate cloud infrastructure on AWS, ensuring performance, security, and reliability.</li><li>Use AI-assisted tools to debug, test, and ship code faster with higher quality.</li><li>Collaborate with frontend engineers to design clean APIs and data flows.</li><li>Work closely with product and design to bring new ideas from concept to production.</li><li>You’ll work tightly with product, design, and frontend teams — a small, mission-driven group who value curiosity, ownership, and learning.</li></ul>Requirements: <ul><li>3–6 years of professional experience in Go or another typed backend language</li><li>Solid understanding of distributed systems and API design</li><li>Experience with AWS, containers, and CI/CD</li><li>Prior startup experience and comfort with ambiguity</li><li>Enthusiasm for using AI tools in engineering workflows</li><li>Passion for building software that advances sustainability and net-zero goals</li><li>Exposure to frontend frameworks (React / TypeScript) is a plus</li><li>Interest in climate-tech or sustainability is a plus</li></ul>Salary range: The base pay range for this position is £70,000 – £90,000 annually + discretionary bonus; however, base pay offered may vary depending on location, job-related knowledge, skills, and experience.     What We Offer: <ul><li>Competitive salary</li><li>Flexible / hybrid working (London-based preferred, occasional remote)</li><li>Generous annual leave and public holidays</li><li>Budget for learning and conferences</li><li>Collaborative, high-ownership culture built around climate impact</li></ul>If you're passionate about sustainability and have a track record of success in carbon accounting (or a desire to pivot into climate tech!), we want to hear from you! Apply now to join our team and help our clients achieve their sustainability goals. Don't meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Green Project we are dedicated to building a diverse, inclusive and authentic workplace, so if you're excited about this role but your past experience doesn't align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles. Green Project Technologies, Inc is an equal opportunity employer that is committed to ensuring equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.

Green Project Technologies is a carbon accounting and ESG data management SaaS solution provider changing the way businesses collect, process, and report on sustainability data. By streamlining companies' data acquisition via targeted API integrations and flexible onboarding tools, conducting fully auditable GHG inventories, providing intuitive dashboards analytics &amp; goal-setting, and instantly generating ESG reports, Green Project is empowering companies of all sizes to accelerate their transition to sustainable operating practices.

Backend Software Engineer

About Green Project: At Green Project Tech, we’re building the intelligence layer behind sustainable supply chains. Our UK team leads on Engage50 (supplier engagement for enterprises) and Product50 (efficient PCF / carbon footprint calculation at scale). These tools feed into Account50 and Act50, powering a full-stack sustainability platform used by enterprises and SMEs across the GPT / ACT ecosystem. ACT, our parent company, is a global leader in sustainable products — giving us reach and credibility, with the autonomy and excitement of a startup.Green Project is looking for a Backend Software Engineer to build the backend systems powering Engage50 and Product50 — tools that help enterprises and suppliers reduce their carbon footprint. You’ll design and deliver reliable services in Go, leverage AI tooling to ship faster and smarter, and play a key role in scaling the foundation of our sustainability platform.Responsibilities:&nbsp;<ul><li>Design, build, and maintain backend services in Go that scale across Engage50 and Product50.</li><li>Develop and operate cloud infrastructure on AWS, ensuring performance, security, and reliability.</li><li>Use AI-assisted tools to debug, test, and ship code faster with higher quality.</li><li>Collaborate with frontend engineers to design clean APIs and data flows.</li><li>Work closely with product and design to bring new ideas from concept to production.</li><li>You’ll work tightly with product, design, and frontend teams — a small, mission-driven group who value curiosity, ownership, and learning.</li></ul>Requirements:&nbsp;<ul><li>3–6 years of professional experience in Go or another typed backend language</li><li>Solid understanding of distributed systems and API design</li><li>Experience with AWS, containers, and CI/CD</li><li>Prior startup experience and comfort with ambiguity</li><li>Enthusiasm for using AI tools in engineering workflows</li><li>Passion for building software that advances sustainability and net-zero goals</li><li>Exposure to frontend frameworks (React / TypeScript) is a plus</li><li>Interest in climate-tech or sustainability is a plus</li></ul>Salary range:&nbsp;The base pay range for this position is £70,000 – £90,000 annually + discretionary bonus; however, base pay offered may vary depending on location, job-related knowledge, skills, and experience.&nbsp;&nbsp;&nbsp; &nbsp;What We Offer:&nbsp;<ul><li>Competitive salary</li><li>Flexible / hybrid working (London-based preferred, occasional remote)</li><li>Generous annual leave and public holidays</li><li>Budget for learning and conferences</li><li>Collaborative, high-ownership culture built around climate impact</li></ul>If you're passionate about sustainability and have a track record of success in carbon accounting (or a desire to pivot into climate tech!), we want to hear from you! Apply now to join our team and help our clients achieve their sustainability goals.&nbsp;Don't meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Green Project we are dedicated to building a diverse, inclusive and authentic workplace, so if you're excited about this role but your past experience doesn't align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles.&nbsp;Green Project Technologies, Inc is an equal opportunity employer that is committed to ensuring equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.&nbsp;

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