Fullstack Staff Engineer (React.js/Python)

VanHack
VanHack

Software Engineering

Toronto, ON, Canada

Posted on Sep 16, 2026

About the Company

This is a Series B startup focused on transforming how organizations design, manage, and optimize sales compensation. The platform supports large-scale commission processes, handling billions in payouts for enterprise clients. The company’s mission is to redefine how businesses leverage sales data and incentives to drive performance and strategy.

About the Team

The engineering team is composed of full-stack problem solvers who work across the entire product. They focus on building intuitive user experiences while maintaining highly reliable systems that support complex, high-value financial operations. The team values simplicity in solving complex problems, strong collaboration, and a customer-first mindset.

About the Role

The company is hiring a Staff Full Stack Engineer to play a key role in product development. Working closely with Product and Design, you will build new features and enhance existing ones, with a strong focus on rapid prototyping and thoughtful system design.

You will take ownership across the full development lifecycle, including architecture, solution design, estimation, development, testing, and code review. The role requires navigating complex problem spaces, particularly within sales compensation, and translating them into scalable and maintainable technical solutions.

What You’ll Do

  • Design and build new product features and modules
  • Own technical architecture and solution design
  • Contribute to code reviews, testing, and observability practices
  • Collaborate closely with cross-functional teams
  • Continuously improve engineering processes and product quality

What They’re Looking For

  • 10+ years of experience in software engineering
  • Strong product ownership and customer-focused mindset
  • Experience working in ambiguous environments and making pragmatic decisions
  • Solid frontend experience (React, TypeScript preferred)
  • Strong backend design experience (Python preferred, but flexible)
  • Proven ability to build scalable, reliable, and maintainable systems
  • Strong communication skills across technical and business stakeholders
  • Ability to lead architectural decisions and guide technical direction

Tech Stack

  • Frontend: React, TypeScript, JavaScript
  • Backend: Python, Django, PostgreSQL
  • Infrastructure: AWS, Docker, CI/CD tools