As a Staff Engineer at Sonio, you will be the ultimate technical authority for our Elixir/Phoenix ecosystem, architecting high-scale, resilient systems and driving engineering velocity across your squad.

Requirements

  • 8+ years of software engineering experience
  • 3+ years in Elixir in production at scale
  • Expertise in web & cloud native environment
  • Deep knowledge of Elixir/Phoenix/Ecto/PostgreSQL performance
  • Experience with distributed systems in a cloud context
  • Strong architecture and API design skills
  • Written communication skills to author RFCs/ADRs
  • Technical leadership without authority
  • Fluent English; French a plus

Benefits

  • Generous salary (€85k - €100k + 10% bonus)
  • Bonus for experience in a regulated environment and React/TypeScript familiarity
  • Flexible work arrangement (remote work possible with Paris visits every 1-1.5 months)