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Senior Software Engineer (Go Tooling)

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EarnIn

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Location:
Mexico , Mexico City

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

EarnIn is seeking a Senior Frameworks Engineer to design, build, and evolve the shared frameworks and libraries that power our microservices and APIs across multiple runtimes, with a primary focus on Golang and secondary support for Kotlin/Spring Boot. As part of the Developer Experience team, you will be a domain expert who strengthens the foundational plumbing of our services—including bootstrappers, observability, authentication, communication protocols, and CI/CD scaffolding. You will deliver impactful solutions that simplify complexity for developers, enabling them to build high-quality, scalable systems more efficiently.

Job Responsibility:

  • Design, implement, and maintain core frameworks and libraries in Golang that support bootstrapping, shared services, observability hooks, authentication, RPC/REST tooling, and CI/CD templates
  • Partner with the Kotlin framework owner and other engineers to ensure cross-runtime consistency, enabling a unified developer experience across Go, Kotlin, and other supported runtimes
  • Build reusable components for logging, tracing, metrics, configuration management, rate limiting, and service-to-service communication
  • Keep shared frameworks aligned with evolving industry standards (e.g., OpenTelemetry, gRPC/HTTP middleware, Go upgrades, Spring Boot integrations), reducing fragmentation and technical debt
  • Participate in architecture and design reviews, provide well-thought-out recommendations, and advocate for best practices
  • Deliver solutions that balance speed, quality, and scalability, ensuring testing, monitoring, and performance considerations are built into your work
  • Contribute to code reviews and support teammates through documentation, guidance, and collaborative problem-solving
  • Collaborate across platforms, backend, and ML teams to design framework features that improve productivity while meeting customer needs
  • Demonstrate ownership by anticipating near-term challenges, proactively mitigating risks, and following through on commitments with transparency and integrity

Requirements:

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience)
  • 4+ years of software development experience, including contributions in framework, platform, or infrastructure engineering
  • Strong expertise in Golang and experience building frameworks, libraries, or developer tooling
  • Knowledge of service-oriented and event-driven architectures, including gRPC, REST, and messaging/eventing systems
  • Familiarity with observability stacks, OpenTelemetry, and performance tuning
  • Experience with AWS managed services, container orchestration (Kubernetes), and CI/CD pipelines
  • Strong communication skills with the ability to advocate for customers, collaborate effectively with teammates, and approach challenges with candor and compassion

Nice to have:

Experience with Kotlin/Java (Spring Boot) or other backend runtimes (C#, Python, TypeScript) is a plus

What we offer:
  • healthcare
  • internet/cell phone reimbursement
  • a learning and development stipend
  • potential opportunities to travel to our Mountain View HQ

Additional Information:

Job Posted:
February 10, 2026

Work Type:
Hybrid work
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