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 Tech Lead (Senior Software Engineer) to lead a small, high-impact engineering team building features that power Engage50 and Product50 — the products helping enterprises measure and reduce their carbon footprint. You’ll set the technical direction, mentor others, and use AI-assisted development to multiply the team’s speed and impact. This is a hands-on leadership role with real product ownership and a clear mission: accelerate the world’s transition to net-zero.Responsibilities: <ul><li>Lead a small, fast-moving team building features across Engage50 and Product50.</li><li>Set technical direction, uphold engineering standards, and ensure high-quality delivery.</li><li>Balance hands-on coding with mentoring, design reviews, and coordination across product and design.</li><li>Work closely with leadership to translate business goals into technical roadmaps.</li><li>Drive adoption of AI-assisted development to boost productivity and creativity across the team.</li><li>Partner daily with product managers, designers, and other engineers to turn ideas into shipped features — and help shape the technical culture of the company as we scale.</li></ul>Requirements: <ul><li>5+ years of engineering experience</li><li>Deep expertise in Go or React (and a willingness to stretch across both)</li><li>Proven experience leading projects or small teams</li><li>Strong technical judgment and architectural understanding</li><li>Prior startup experience and comfort with ambiguity</li><li>Motivation to build meaningful software for sustainability</li><li>Experience scaling teams in a startup environment is a plus</li><li>Familiarity with cloud infrastructure, deployment automation, and monitoring are a plus</li><li>Exposure to climate, ESG, or sustainability domains is a plus</li></ul>Salary range: The base pay range for this position is £85,000 – £100,000 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.

Tech Lead (Senior 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 Tech Lead (Senior Software Engineer) to lead a small, high-impact engineering team building features that power Engage50 and Product50 — the products helping enterprises measure and reduce their carbon footprint. You’ll set the technical direction, mentor others, and use AI-assisted development to multiply the team’s speed and impact. This is a hands-on leadership role with real product ownership and a clear mission: accelerate the world’s transition to net-zero.Responsibilities:&nbsp;<ul><li>Lead a small, fast-moving team building features across Engage50 and Product50.</li><li>Set technical direction, uphold engineering standards, and ensure high-quality delivery.</li><li>Balance hands-on coding with mentoring, design reviews, and coordination across product and design.</li><li>Work closely with leadership to translate business goals into technical roadmaps.</li><li>Drive adoption of AI-assisted development to boost productivity and creativity across the team.</li><li>Partner daily with product managers, designers, and other engineers to turn ideas into shipped features — and help shape the technical culture of the company as we scale.</li></ul>Requirements:&nbsp;<ul><li>5+ years of engineering experience</li><li>Deep expertise in Go or React (and a willingness to stretch across both)</li><li>Proven experience leading projects or small teams</li><li>Strong technical judgment and architectural understanding</li><li>Prior startup experience and comfort with ambiguity</li><li>Motivation to build meaningful software for sustainability</li><li>Experience scaling teams in a startup environment is a plus</li><li>Familiarity with cloud infrastructure, deployment automation, and monitoring are a plus</li><li>Exposure to climate, ESG, or sustainability domains is a plus</li></ul>Salary range:&nbsp;The base pay range for this position is £85,000 – £100,000 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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