Senior Software Engineer

Clarasight • Boston, MA

4d

About The Position

Join us in building the leading AI-Powered Mission Control for Corporate Travel. Some of the world's most recognizable companies, representing over $4T in market value, rely on Clarasight's software to reduce risks, save costs, protect revenues, and manage emissions aligned with business objectives and sustainability goals.

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. You'll be at the center of key technical and strategic decisions as we scale.

Requirements

• 3+ years of professional software engineering experience.
• Full-stack experience (e.g., React/TypeScript, Node.js, Python, or similar).
• Startup or early-stage experience and thrive in fast-paced, ambiguous environments.
• Excited about automating data engineering processes and already have experience with pipelines, ETL, and analytics systems.
• Quick to learn new technologies and approaches.

Nice To Haves

• 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.

Responsibilities

• Design, build, and deploy end-to-end features across frontend, backend, and infrastructure.
• Ensure code quality, scalability, and maintainability while balancing speed of delivery.
• 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.
• Wear multiple hats and move quickly to meet customer and product demands.
• Make pragmatic technical decisions while keeping long-term scalability in mind.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed