Fullstack Software Engineer (Python/React)

TL;DR

Fullstack Software Engineer (Python/React): Engineer employee affiliation engine processing lifecycle events, simplify payroll and billing tools for HR teams with an accent on scalability across multiple countries and seamless integrations. Focus on automating workflows, ensuring accurate billing, and collaborating with product, design, and ops teams.

Location: Anywhere in France, Belgium, Spain. Flexible office & remote options.

Company

Vertically integrated health partner uniting insurance and smart healthcare delivery into one seamless system for companies across France, Spain, Belgium, and Canada.

What you will do

• Engineer employee affiliation engine to reliably process thousands of lifecycle events daily.
• Simplify payroll contributions and billing with tools HR teams love.
• Build seamless integrations with platforms like Payfit and Workday.
• Automate workflows at scale for companies of all sizes across countries.
• Ensure invoices are accurate, reliable, and easy to manage.
• Collaborate with product, design, and ops for unified experience.

Requirements

• Fluent in English (French is a plus).
• Backend and full-stack experience.
• Comfortable with complex business logic around insurance and payroll.
• Experience building scalable systems handling real-world complexity.
• Well-versed in OOP languages (Python, Java, C#) and modern web technologies (JavaScript).
• Curious, self-starting, humble, collaborative, eager to grow.

Nice to have

• B2B experience.

Culture & Benefits

• Mission-driven with long-term thinking, distributed ownership, radical transparency, and continuous growth.
• Fair rewards & equity packages.
• Top-tier equipment: MacBook Pro, monitor, noise-canceling headphones.
• Flexible vacation & hours, comprehensive healthcare, transport support.
• Training budget for conferences, courses, books; extended parental leave.

Hiring process

• May join different engineering team based on impact potential.
• High potential and curiosity prioritized over perfect fit.