Backend Engineer Consultant - (remote - Brazil)

Description: Engage as an independent Backend Engineer Consultant to build, deliver, and maintain provider adapters and gateway backend services. Focus on API integration architecture, Go backend service delivery, and migration to self-serve provider onboarding workflows. Requirements: 3–5 years of backend development experience with production expertise in Go, REST/API integrations, Postgres, Redis, and AWS. Practical experience in building provider adapters, schema mapping tools, and event-driven architectures. Exposure to Node.js/TypeScript backend tooling and GUI tooling for self-serve automation. Fluent professional English communication skills for effective collaboration across time zones. Benefits: Fixed-rate monthly compensation of $5,000-$6,500 based on experience. Complete flexibility over work schedules and execution methods.