Sr. Backend Engineer

Mexico, Remote. Posted a month ago

The role

You will work on the platform team to improve backend systems, tooling, and practices. You will use AI-assisted development to build shared services, libraries, and APIs while owning security fixes and performance optimization.

What you will do

Improve backend systems, tooling, and practices for other teams
Identify and build solutions for automation opportunities using AI agents
Build and maintain shared services, libraries, and APIs
Provide guidance, documentation, and code review to unblock engineers
Own security fixes and dependency updates across backend systems
Identify and diagnose performance bottlenecks and scalability limits
Reason about concurrency, failure modes, and reliability
Own services in production including monitoring, debugging, and reliability
Contribute to an AI-first engineering culture
Use AI tools fluently to compress implementation time

Required qualifications

5+ years of professional backend development using Java
Track record of shipping and operating production systems
Strong system design and architectural decision making
Strong backend fundamentals in API design, integrations, concurrency, and reliability
Deep understanding of database behavior, data modeling, and query design
Ability to diagnose performance bottlenecks and debug complex production issues
Comfortable working in an existing, evolving codebase
Hands-on, daily use of AI coding tools in a production engineering workflow
Ability to critically evaluate AI-generated code
Clear communicator
Interest in Elixir or functional programming languages

Nice to have

Experience building B2B SaaS products
Experience on small, high-output teams
Familiarity with frontend development and JavaScript/TypeScript
Experience on a platform, internal tooling, or developer-enablement team
Background in the travel, hospitality, or experiences industry

About the company

Peek is an operating system for the experiences industry, including museums, attractions, tours, and activities. The company has raised over $150 million from institutional investors.