jobapplier

Senior Backend Engineer (AI Product Engineering)

Recruitee

Skills

Required

  • AI
  • LLM / feature
  • Elixir
  • backend development
  • Ruby
  • Rails / Python / Java / PHP
  • evaluate trade-offs
  • Polish

Preferred

  • TypeScript
  • Mastra

Join Tellent, a company focused on building AI capabilities for their suite of products. As a Senior Backend Engineer, you will take ownership of features, collaborate with various teams, and contribute to technical discussions and architectural decisions. Enjoy benefits such as hybrid work, flexible hours, a training budget, well-being support, and more.

Responsibilities

  • Prendre en charge des fonctionnalités et contribuer aux discussions techniques, aux revues de code et aux améliorations de la plateforme.
  • Collaborer étroitement avec les ingénieurs Backend et Frontend, le Design, l'assurance qualité et DevOps pour résoudre des problèmes complexes.
  • Assumer la responsabilité des fonctionnalités livrées, en veillant à ce qu'elles soient bien testées, maintenables et conformes à nos normes de qualité.

Requirements

  • Senior-level judgment: you have shipped enough to know when good enough is good enough
  • Commercial experience with Elixir, or strong backend development experience in technologies such as Ruby on Rails, Python, Java, or PHP combined with a strong motivation to learn Elixir
  • Interest in building with AI: hands-on LLM or feature experience is a plus; curiosity and shipped experiments count too
  • Product thinking: you push back on specs, evaluate trade-offs, prototype cheaply, and kill your own ideas when data says so
  • Fluent English; Polish is a plus

Preferred

  • Experience with TypeScript and Mastra (AI TypeScript framework) or strong willingness to learn it

Pay

EUR 69,000 - 85,000