Senior Full Stack Software Engineer

About the Role

We are seeking a Senior Software Engineer to join our founding team. As one of our first engineering hires, you’ll help shape both our product and our engineering culture. This is a true full-stack role where you’ll build core product features, contribute to data infrastructure, and take ownership of systems from design through deployment. You’ll collaborate closely with product and design, experiment rapidly, and help define best practices that will scale with us. With 2–3 days per week in our Boston office, you’ll be at the center of key technical and strategic decisions as we scale.

Responsibilities

• Full-Stack Development
• Design, build, and deploy end-to-end features across frontend, backend, and infrastructure.
• Ensure code quality, scalability, and maintainability while balancing speed of delivery.
• Data Engineering & Systems Design
• Contribute to building robust data pipelines and integrations that power financial and emissions insights.
• Collaborate on data modeling, ETL, and analytics foundations to support customer needs.
• Startup Agility
• Wear multiple hats and move quickly to meet customer and product demands.
• Make pragmatic technical decisions while keeping long-term scalability in mind.
• Cross-Functional Collaboration
• Work closely with Product and Design to deliver features that solve real customer problems.
• Partner with business teams to understand enterprise requirements and translate them into technical solutions.

Qualifications

• Have 3+ years of professional software engineering experience.
• Bring full-stack experience (e.g., React/TypeScript, Node.js, Python, or similar).
• Have startup or early-stage experience and thrive in fast-paced, ambiguous environments.
• Are excited about automating data engineering processes and already have experience with pipelines, ETL, and analytics systems.
• Are quick to learn new technologies and approaches.
• Based in the Boston area and available for 2–3 in-office days per week.

Preferred Skills

• Experience with dbt, DuckDB, or the modern data stack.
• Familiarity with cloud platforms, DevOps, or infrastructure as code.
• Background in sustainability, carbon accounting, or financial systems.