Senior Backend Engineer

Peek

. Improve backend systems, tooling, and practices used by other engineering teams .

Posted 10/14/2026full-timeRemote • Mexico, Colombia, ChileSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive backend development expertise with a focus on Java, API design, and system reliability. Proficient in diagnosing performance issues and leveraging AI tools for efficient coding practices.

Highest-signal resume keywords

Java Backend DevelopmentAPI DesignPerformance DiagnosisAI Coding ToolsSystem Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentAPI DesignConcurrencyDatabase BehaviorData ModelingQuery DesignPerformance ImplicationsDebuggingIncremental ChangesMulti-Tenant Data Models

Soft Skills

Technical CommunicationConstructive Disagreement

Tools & Technologies

Claude CodeCodexCursorAugmentJavaScriptTypeScriptAngular

Industry Keywords

B2B SaaSTravel IndustryHospitality IndustryExperiences Industry

Tech Stack

Tools & technologies

AngularElixirJavaJavaScriptTypeScript

About the role

Key responsibilities & impact

Improve backend systems, tooling, and practices used by other engineering teams
Develop features where appropriate as part of the platform team
Identify automation opportunities in engineering workflows and build solutions using AI agents where helpful
Build and maintain shared services, libraries, and APIs
Enable dependent teams through guidance, documentation, and code review
Own security fixes and dependency updates across backend systems
Triage vulnerabilities and safely plan and ship upgrades in an existing codebase
Identify and diagnose performance bottlenecks and scalability limits
Reason about concurrency, failure modes, and reliability across APIs and integrations
Own services in production, including monitoring, debugging, performance, and reliability
Investigate incidents to root cause and implement proper fixes
Contribute to an AI-first engineering culture by sharing patterns and documenting effective practices
Use AI tools to accelerate implementation while critically reviewing generated output

Requirements

What you’ll need

5+ years of professional backend development using Java
Meaningful track record of shipping and operating production systems
Strong system design and architectural decision-making skills
Strong backend fundamentals, including API design, integrations, concurrency, failure modes, and service reliability
Deep understanding of database behavior, data modeling, query design, indexing, and performance implications
Proven ability to diagnose performance bottlenecks and debug complex production issues to root cause
Comfortable working in an existing, evolving codebase and making safe incremental changes
Hands-on, daily use of AI coding tools such as Claude Code, Codex, Cursor, Augment, or equivalent
Ability to critically evaluate AI-generated code, including logic, security, and maintainability
Clear technical communication and constructive disagreement
Interest in Elixir or functional programming languages
Experience building B2B SaaS products, preferably with complex multi-tenant data models or transactional workflows
Experience on small, high-output teams
Familiarity with frontend development and JavaScript/TypeScript; Angular or modern JavaScript frameworks are a plus
Experience on a platform, internal tooling, or developer-enablement team, including security patching and dependency upgrades
Background in the travel, hospitality, or experiences industry is a plus

Benefits

Comp & perks

Remote-first work arrangement
Equal-opportunity employment
Disability assistance during the application process