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Urgent! Senior Backend Engineer Job Opening In Buenos Aires – Now Hiring The Mobile-First Company

Senior Backend Engineer



Job description

Overview

Join the mobile-first company as a Senior Backend Engineer.

Drive the evolution of our backend technology, infrastructure, and AI capabilities to ensure high performance, scalability, and seamless integration for our mobile applications.

Responsibilities

  • Collaborate with the CTO and mobile engineers to build foundations for backend and AI systems.

  • Develop and enhance backend systems for existing and new applications.

  • Design and maintain scalable and reliable backend architecture, databases, and infrastructure.

  • Implement and maintain scalable, reliable systems using Kotlin, Java, Go, Python or similar.

  • Work directly with cloud services (AWS, Supabase, Cloudflare).

  • Create tools, libraries, or components to improve backend development efficiency.

  • Contribute to systems design, infrastructure planning, CI/CD processes, and data workflows.

  • Monitor architecture using New Relic, Datadog or similar; track performance and business impact.

Qualifications

  • 4+ years of experience designing and building high-performance systems used by millions.

  • Proficiency in backend development with Kotlin, Java, Go, Python or similar.

  • Familiarity with database design, management, and optimization.

  • Track record of building and maintaining scalable and reliable backend systems.

  • Experience with AI is a strong plus – applying models to real-world use cases and optimizing performance in production.

  • Expertise in designing scalable, maintainable backend architecture and monitoring tools.

  • Strong focus on measurement, business impact, and user value.

  • Communicate clearly in English; comfortable working in a small, fast team.

Benefits

  • Competitive salary (USD or local equivalent).

  • Equity package.

  • 10‑day team retreats abroad every quarter.

  • 30‑day onboarding in Paris (flights and housing covered).

  • Laptop and work setup of your choice.

  • Private health insurance (US or LATAM hires).

  • Fast‑paced, ambitious team building something real.

How to Apply

Click the Apply button on this page to submit your application.

No cover letter required.

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Required Skill Profession

Informática Y Tecnología



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