Sr. Full Stack Engineer

About the Role: Peek is the operating system powering the experiences industry, with over $7B in bookings. We are looking for a Senior Full Stack Engineer to take ownership of critical product areas in our B2B2C booking flows. In this role, you will use AI tools as a force multiplier on top of your strong fundamentals to build beautiful and functional customer experiences end-to-end.

What You'll Do

• Design and operate complex systems focusing on the Customer Experience side of the business, including new booking flows.
• Work AI-first by treating AI as a core part of how you build, delegating to agents, and reviewing their work critically.
• Identify and bridge the gap between frontend user experiences and backend API complexities.
• Maintain clear system design instincts, thinking about tradeoffs, edge cases, and scalability.
• Participate in peer code reviews, unit testing, continuous integration, and an on-call rotation.

What You Bring

• 5+ years of professional development experience using Elixir and/or JavaScript.
• Strong backend fundamentals in Elixir (API design, data modeling, SQL, debugging).
• Enthusiasm for crafting flawless user experiences with TypeScript (familiarity with Ember.js is a bonus).
• Demonstrated daily use of AI coding tools (Claude Code, Codex, Cursor) in a production engineering workflow.
• Bonus: Experience with GraphQL APIs, A/B testing, and B2B software in the travel industry.

Benefits

• Annual Compensation Range: MX$1,000,000 – MX$1,150,000.
• Equity offers included.
• Remote-first company culture recognized as a Best Place to Work.
• Fully remote work flexibility within Mexico.