Elixir, Phoenix & BEAM Systems Reviewer
Job Description
Work at IXO
Apply your experience in Elixir and Phoenix engineering to paid work at IXO. You will develop realistic evaluation examples and review AI responses for technical correctness, clear reasoning and practical usefulness. The work calls for explanations that identify the actual defect or trade-off and show how a better answer would address it.
Responsibilities
• Assess OTP, GenServer and supervision examples for appropriate process structure, immutability and pattern matching.
• Review LiveView, Channels, PubSub and Ecto schema, changeset and transaction behaviour.
• Evaluate clustering and failover in distributed Erlang, explaining mailbox growth, process interaction and supervision-strategy defects.
• Record the assumptions, supporting evidence and corrections needed for another specialist to follow your review.
Experience and expertise
• 5• years of Elixir or Erlang in production systems.
• Practical depth in OTP, GenServers, supervisors, and Tasks.
• Experience building production Phoenix apps, including LiveView.
• A thorough understanding of Ecto, including multi, sandbox, and migrations.
• Ability to work confidently with releases, hot upgrades, and clustering BEAM nodes.
• Familiarity with NIFs, Ports, or Rust interop is an advantage.
Working arrangements and pay
Remote work in these eligible locations: USA, UK, Germany, Brazil, Canada. Planning availability: Flexible, 10-25 hours/week. IXO will confirm the actual start and schedule before acceptance. Compensation is $85 • $140/hr USD. The agreed rate, delivery requirements and review criteria are confirmed before work begins.