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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:
- Lead a small, fast-moving team building features across Engage50 and Product50.
- Set technical direction, uphold engineering standards, and ensure high-quality delivery.
- Balance hands-on coding with mentoring, design reviews, and coordination across product and design.
- Work closely with leadership to translate business goals into technical roadmaps.
- Drive adoption of AI-assisted development to boost productivity and creativity across the team.
- 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.
- 5+ years of engineering experience
- Deep expertise in Go or React (and a willingness to stretch across both)
- Proven experience leading projects or small teams
- Strong technical judgment and architectural understanding
- Prior startup experience and comfort with ambiguity
- Motivation to build meaningful software for sustainability
- Experience scaling teams in a startup environment is a plus
- Familiarity with cloud infrastructure, deployment automation, and monitoring are a plus
- Exposure to climate, ESG, or sustainability domains is a plus
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:
- Competitive salary
- Flexible / hybrid working (London-based preferred, occasional remote)
- Generous annual leave and public holidays
- Budget for learning and conferences
- Collaborative, high-ownership culture built around climate impact
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.
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