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Elixir Backend Engineer

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Together AI

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Location:
Netherlands , Amsterdam

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

Together.ai is looking for a Senior Backend Engineer to join the Identity & Collaboration team, where we build the foundational authentication, authorization and collaboration features that power every product and service. Our work is mission-critical: as part of the Product Foundations engineering group, we own authentication flows (including SSO and OAuth), organizations, projects, API keys, and role-based access controls that enable secure collaboration across at scale.

Job Responsibility:

  • Design & Implement Elixir APIs and services that serve Together AI users
  • Build service SDKs and advise other teams who consume our Elixir API in TypeScript, Golang, and Python
  • Contribute to running the Elixir/Erlang VM (BEAM) in production
  • Work across services to improve service integrations and replace legacy solutions
  • Participate in making product and technical decisions that are in the best interest of our customers
  • Maintain our systems to the highest standards of code quality, documentation, automated testing, and continuous delivery
  • Work with relational (PostgreSQL) and non-relational (MongoDB) data

Requirements:

  • Experienced backend developer
  • Worked with relational databases, key/value stores, and object-relational mappers
  • Willing and eager to become proficient in Elixir and Phoenix
  • Excellent programming skills
  • Experience working in Elixir or another functional programming language is strongly preferred
  • Experienced with, or at least interested in, authentication and authorization (including abbreviations like OIDC, SAML, OAuth, JWT, RBAC, ABAC, SSO and more)
  • Proficient in TypeScript and Next.js API development
  • Passion for working in high-performing startup teams where you can take charge of reducing ambiguity and shaping open-ended requirements
  • Curious to try and learn new things, and are not afraid to propose new approaches and make mistakes
  • Excel in your communication skills, such as openly soliciting and giving feedback to improve and develop the team, constructively discussing approaches to problems faced by the team
What we offer:
  • Competitive compensation
  • Startup equity
  • Competitive benefits

Additional Information:

Job Posted:
January 04, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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