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Sr. Backend Engineer (Java/Kotlin)

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Silver.dev

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Location:
Argentina , Buenos Aires

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

60000.00 - 72000.00 USD / Year
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Job Description:

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

Job Responsibility:

  • Work side by side with our CTO to build the foundations, the present, and the future of our backend, and AI systems
  • Develop and enhance backend systems for both existing and new applications in conjunction with mobile engineers
  • Contribute to systems design, infrastructure planning, CI/CD processes, and data workflows
  • Implementing and maintaining scalable and reliable backend systems using languages like Kotlin, Java, Go, Python or similar
  • Designing and defining backend tools, databases, and the architecture of our apps
  • Working directly with Cloud services (e.g., AWS, Supabase, Cloudflare)
  • Creating tools, libraries, or components to enhance the efficiency of backend development processes
  • Drive the evolution of our backend technology, infrastructure, and AI capabilities to ensure high performance, scalability, and seamless integration for our mobile applications

Requirements:

  • Proficiency in backend development with expertise in languages like 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, especially in applying models to real-world product use cases and optimizing performance in production environments
  • Expertise in designing scalable and maintainable backend architectures, understanding when to apply different architectural patterns
  • Capable of monitoring the whole architecture using tools like New Relic or Datadog
  • You know how to build scalable and maintainable code
  • You care about what to measure and how it impacts business and users
  • You track behavior, usage, and performance, and improve based on it
  • You care about why we build things, not just how
  • You ask smart questions, challenge ideas when needed, and help shape what’s next
  • You think in terms of user value and business impact
  • You communicate clearly, give feedback with no ego, and help others grow
  • You move fast, take ownership, and thrive in ambiguity
  • You're comfortable working in English — and in a small team with big goals
  • You’ve worked in product companies
  • 6+ years of experience designing and building high-performance systems used by millions
  • You’re proactive, autonomous, and know how to fill the gaps
  • You can communicate in English, since that's our official language

Nice to have:

  • Experience with AI is a strong plus, especially in applying models to real-world product use cases and optimizing performance in production environments
  • Most of the team also speaks Spanish and French
What we offer:
  • Equity package
  • 10-day team retreats abroad every quarter
  • 30-day onboarding in Paris (we cover flights and housing)
  • Laptop and work setup of your choice
  • Private health insurance (for US or LATAM hires)
  • A tight, ambitious team building something real — fast

Additional Information:

Job Posted:
February 20, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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