Sr. Backend Engineer

Mexico, Remote. Posted a month ago

The role

This person will design and operate complex agent orchestration systems and ship product features through agent-assisted development. The role focuses on Connectivity via third party integrations and the Peek Pro App Store, and secondarily on payments-related initiatives.

What you will do

Design and operate complex agent orchestration systems
Develop patterns for human-agent collaboration
Ship real product features primarily through agent-assisted development
Create scalable and reliable backend systems that integrate with multiple services
Collaborate with stakeholders across Product, Design, and Engineering
Evaluate AI-generated code for logic errors, security issues, and maintainability
Push work forward without prompting to unblock self and the team

Required qualifications

5+ years of professional development using Elixir
Strong backend fundamentals in Elixir: API design, data modeling, SQL, service reliability, and debugging production issues
Demonstrated daily use of AI coding tools (Claude Code, Codex, Cursor or equivalent) in a production engineering workflow
Solid coding practices including peer code reviews, unit testing, continuous integration, TDD, etc.
Experience with relational and/or non-relational databases
Experience with microservices
Strong understanding of AI tools and ability to identify pitfalls and course correct AI-generated code

Nice to have

Experience working with Ruby
Experience working with GraphQL APIs
Experience with message queues such as RabbitMQ
Experience working on B2B software, on booking flows, or in the travel industry
Experience working with payments systems like Stripe
Enthusiasm for building and iterating on third party integrations
Familiarity with OCTO, the open standard API for tours, activities and attractions

About the company

Peek is the operating system powering the experiences industry. Its AI-powered platform helps thousands of merchants increase revenues and deliver guest experiences.