Staff Software Engineer

• Partner with our Head of Engineering to design architecture and implement the most challenging parts of our system
• Take full ownership of projects from conception to delivery - you'll drive initiatives forward without waiting to be told what to do
• Collaborate with Product Managers to define new projects, plan work, and advise on technical feasibility
• Work across teams - whether that's Sales, Customer Success, or Carbon Team - to understand needs and deliver solutions that work in the real world
• Mentor engineers and help level up the team through code review, technical discussions, and setting engineering standards
• Be comfortable with ambiguity and changing priorities - startup life means adapting quickly while keeping the big picture in mind

This role directly addresses the climate crisis by building software that helps the world's biggest supply chains measure and reduce their carbon emissions, turning messy operational data into actionable insights for sustainability teams.

• 8+ years delivering complex software systems and getting large scale user adoption
• Deep expertise in modern web applications and distributed systems
• Strong collaboration skills - you work closely with Product to ideate features, advise on trade-offs, and iterate on what we've built
• Experience with Python and TypeScript (we value versatility and broad knowledge over memorizing PEPs)
• Proven ability to design and implement cloud-based system architectures
• Knowledge of IaC/Terraform and modern CI/CD practices
• Bonus: experience with data-intensive systems
• Bonus: experience building SaaS and enterprise applications

• 28 days annual leave
• £500 home office setup allowance
• £2,000 annual learning allowance
• Private healthcare
• Generous parental leave policy
• Weekly team lunches in the office
• Office gym, and cycle to work scheme

CarbonChain helps the world's biggest supply chains measure and reduce their carbon emissions using verified primary data and robust defaults, building software that turns operational information into decision-grade carbon and compliance insights.