Senior Software Engineer (Developer Platform)

Senior Software Engineer (Developer Platform) at Scope3. Join to apply for the Senior Software Engineer (Developer Platform) role at Scope3.

Scope3 is the industry’s leading collaborative sustainability platform. By modeling the complex digital advertising supply chain, we help brands measure and dramatically reduce digital waste to reduce carbon emissions from advertising and increase the efficacy of advertising investment. Scope3 is a fully remote company with global teams and flexible working hours, hiring in Canada, Australia, the UK, France, Germany, and the United States.

About the role: We’re looking for a Senior Software Engineer to join our Platform team. You’ll be responsible for designing, building, and maintaining the core systems that other developers rely on, including enhancing our monorepo architecture, optimizing CI/CD pipelines, and improving local development experience.

• Lead technical initiatives to improve developer productivity across our codebase
• Optimize build systems to ensure fast, reliable CI pipelines
• Design and develop reusable libraries and tools for our engineering teams
• Identify and resolve performance bottlenecks in our applications

• Strong expertise in JavaScript ecosystem (TypeScript, bundling, Node.js)
• Experience building developer tools, libraries, or infrastructure
• Track record of shipping high-quality code in production environments
• Experience diagnosing and solving performance issues
• Familiarity with both monorepo management and microservices best practices
• Self-directed problem solver who takes ownership of projects
• 5+ years of related experience

• Experience with the Vercel ecosystem (Next.js, Turborepo)
• Experience deploying and maintaining applications on Kubernetes
• GCP familiarity
• Observability tooling familiarity (Grafana, Prometheus, flame graphs, otel)
• Experience building with GitHub Actions

• Passion for the environment and climate work. We are a mission-driven company, and this motivates us to deliver outcomes for our customers.
• Clear and empathetic communication, especially while working asynchronously. We are a global, remote-first company and collaborate using Notion, Miro, Slack, Loom, and other tools.
• We celebrate healthy conflict in the workplace; we focus on solutions and move on quickly.
• Ability and accountability to deliver what we promise; we do what we say and don’t over-promise.
• Experience driving systemic change. Our mission is to make advertising and AI more effective for the economy and the environment, requiring a holistic, global approach.

We believe that all people are capable of great things. We encourage you to apply even if you do not meet all of the requirements listed within this job description.

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Engineering and Information Technology
• Industries: Software Development

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