Senior Software Engineer (Developer Platform)

Location: Remote (United States); Remote (Canada)

Department: Engineering

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. This includes enhancing our monorepo architecture, optimizing CI/CD pipelines, and improving local development experience.

Responsibilities:

• 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

Previous Experience:

• Strong expertise in JavaScript ecosystem (TypeScript, bundling, nodejs)
• 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

Preference may be given to candidates with the following:

• 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

Compensation:

The salary range for this role is $130k-$190k USD, $140k-$200k CAD.

These ranges span multiple location-based salary bands across the US and Canada. Candidates are aligned to a narrower range based on geographic market compensation data, and final offers reflect demonstrated skills, experience, and role expectations.

Benefits & Perks:

Details vary by location (USA/Canada), but all employees receive:

• Health & wellness: Comprehensive medical, dental, and vision coverage with significant employer contribution; short- and long-term disability coverage; health savings/flexible spending options
• Retirement: Employer-matched retirement savings plan (401(k) or RRSP)
• Time off: Generous paid time off, statutory holidays, and year-end office closure
• Parental leave: 13 weeks fully paid (eligibility requirements apply)
• Remote work: Company-provided home office equipment, setup stipend, and access to WeWork spaces
• Equity: Stock options for eligible roles

Our Culture & Values

• Passion for the environment and climate work. We are a mission-driven company, and this is what motivates us to work hard and deliver outcomes for our customers. 
• Clear and empathetic communication, especially while working asynchronously. We have always been a global, remote-first company and we collaborate using Notion, Miro, Slack, Loom, and other tools. 
• We celebrate healthy conflict in the workplace; we focus on the solutions and we move on quickly. 
• The ability and accountability to deliver what we promise. We do what we say we will do, and we don’t make promises we can’t keep. 
• Experience driving systemic change. Our mission is to make advertising and AI more effective for the economy and the environment, and this requires a holistic approach to re-imagining and inspiring an industry movement at a global scale. 

A Note To Applicants

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 that are listed within this job description.

About the Company

About Scope3

Scope3 is redefining advertising for an AI-first world, building the foundation for agentic advertising that connects brands with their audiences—wherever they are. Brand agents on the Scope3 platform drive measurably better media outcomes while enabling safe and sustainable growth. Our partners include leading advertisers, agencies, publishers, and platforms across the entire media ecosystem.

We’re a venture backed company of 65 folks distributed across the globe. We are fortunate to be led by an experienced leadership team, many of whom designed and engineered the digital advertising landscape as we know it today. The company secured $20M in Series B funding led by GV in Oct 2023 (additional investors include Venrock, Rucker Park, Room40 Ventures, and Craft Ventures), and we are thrilled to be the recipient of an additional round of $25M in Oct 2024. Scope3 has significant market traction with more than 150+ customers and is experiencing accelerated growth.

Scope3 is a fully remote company and largely asynchronous with teams across North America, Europe, and APAC.