Senior Backend Engineer - Affiliate Marketing Software

New

LATAMFull-TimeSenior

Salary not disclosed

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Job Details

Experience: 5+ years
Required Skills: PostgreSQLPythonSQLRuby on RailsTypeScriptRESTful APIsBigQuery

5+ years of backend engineering experience
Strong proficiency in Ruby on Rails, or solid Python/TypeScript skills with a genuine willingness to learn our stack
Strong SQL skills, including writing complex queries, optimizing slow queries
Experience working with both PostgreSQL and BigQuery in production environments
Experience building and maintaining REST APIs
Experience building and maintaining background job systems (e.g., Sidekiq, Celery, or similar)
Understanding of reliability, retries, and failure handling in background job systems
Experience building internal tooling and dashboards - revenue reports, payout summaries, cohort analyses, or similar business-facing data products
Experience building internal tooling ideally tied to financial or affiliate data
Async-first, high-ownership work style
Comfortable communicating through written updates
Comfortable making independent decisions
Taking full responsibility for features from build through monitoring
Practical experience using AI-assisted development tools (such as Cursor, Claude Code, GitHub Copilot, or similar) as a regular part of the development workflow

Build and maintain backend features - APIs, background jobs, integrations
Improve and maintain our data pipeline - write reports and queries in PostgreSQL and BigQuery to keep affiliate data correct and up to date
Build internal dashboards and reports - payout summaries, revenue attribution, cohort breakdowns, etc.
Fix performance issues - bad queries, slow background jobs, bottlenecks
Use AI tools (Claude Code, Cursor) daily to move faster
Work async with a small team - few meetings, lots of ownership
Jump in on technical support

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