Software Developer jobs in United States

At Green Project Tech, we build 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), feeding into Account50 and Act50 and powering a full‑stack sustainability platform used by enterprises and SMEs across the GPT / ACT ecosystem.

• 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 shape the technical culture as we scale.

• 5+ years of engineering experience.
• Deep expertise in Go or React (and 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 is 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 plus discretionary bonus; base pay offered may vary depending on location, job‑related knowledge, skills, and experience.

• 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.

Mid‑Senior level

Full‑time

Information Technology

Green Project Technologies, Inc is an equal‑opportunity employer committed to ensuring equal opportunity for all applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other legally protected characteristics.