Senior Software Engineer | Full-Stack | React | TypeScript | Node.js | Must have Startup Exp

Senior Software Engineer | Full-Stack | React | TypeScript | Node.js | Must have Startup Exp

Start: ASAP

Working model: Hybrid 1/2 days in the Boston Office

Salary: $130,000 - $180,000 + Meaningful equity

Required: Full-stack engineering, React/TypeScript, Node.js or Python, data pipelines, ETL/ELT, integrations, Start up experience (Non-Negotiable)

Eligibility: U.S. Citizenship Only - No visa sponsorship available

🚨 Non‑Negotiables - Please only apply if you have ALL of the following 🚨

Core technologies:

• React and TypeScript (frontend)
• Node.js and/or Python (backend)
• Experience building data pipelines and ETL/ELT processes
• Experience integrating APIs and external data sources

Environment:

• Strong experience working in fast-paced startup or scale-up environments
• Comfortable owning features end-to-end across the full stack
• Able to work with ambiguity, rapid iteration, and high autonomy
• Proven, hands-on experience as a Software Engineer
• Strong experience designing, building, and deploying production-ready features
• Solid understanding of modern engineering practices and scalable architectures

Key skills:

• Experience with React, TypeScript, Node.js and/or Python
• Experience building and maintaining data pipelines, ETL/ELT, and integrations
• Strong knowledge of working with APIs for data ingestion and product features
• Strong SQL skills and experience with structured and semi-structured data
• Experience ensuring code quality, reliability, and performance
• High-level written and spoken English, with the ability to communicate clearly with a global team

Role Overview

We’re looking for an experienced Senior Software Engineer to join a fast-moving, early-stage team building a modern B2B SaaS platform used by enterprise customers. You’ll play a key role in designing, developing, and maintaining end-to-end features across the stack, helping to scale both the product and the engineering function.

This is a hands-on role focused on full-stack development, data pipelines, integrations, and product delivery - working closely with product, design, and customer-facing teams in a highly collaborative environment.

Key Responsibilities

• Design, build, and deploy end-to-end features across frontend, backend, and infrastructure
• Develop robust data pipelines and integrations that power analytics and insights
• Collaborate with product, design, and customer teams to solve real customer problems
• Take ownership of systems from design through deployment, making pragmatic technical decisions
• Help shape the engineering culture and define best practices that will scale with the company
• Contribute to architectural decisions and long-term technical direction
• Ensure high standards of code quality, testing, and documentation
• Regularly demo your work to the wider team and stakeholders

Nice to Have

• Experience in travel tech, fintech, or B2B SaaS
• Experience with cloud platforms (AWS, GCP, or Azure)
• Exposure to analytics, BI, or data engineering workflows
• Experience working in fast-paced or early-stage startup environments

If you tick all of the above boxes and can start ASAP, we’d love to hear from you.