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Senior Backend Engineer

Location: Remote
Compensation: Salary
Reviewed: Mon, Aug 31, 2026
This job expires in: 29 days

Job Summary

To support a growing fintech initiative, the full-time Senior Backend Engineer will build and scale backend systems for salary advance and lending products, collaborating closely with product and compliance teams in a remote environment.

Key responsibilities
  • Build and scale backend systems with a focus on reliability and correctness
  • Develop and refine APIs for an instant in-app experience
  • Collaborate with product, credit, compliance, and analytics teams to shape technical solutions
Required qualifications
  • 4+ years of backend engineering experience with demonstrated ownership of meaningful work
  • Strong experience with Kotlin and/or Java
  • Solid working knowledge of AWS, PostgreSQL, and ECS
  • Experience building consumer-facing systems at real transaction volumes
  • Fluent in Portuguese and advanced English (C1)

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