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

Senior Backend Engineer



Job description

About The Mobile-First Company

We build mobile-first business software that feels like a consumer app, runs on AI, and spreads like a creator brand.

Our first product, Allô, gives you a second number on your phone, answers missed calls with AI, transcribes everything, and syncs it to your CRM.

Over 20,000 businesses use it every day.

We raised +5 million dollars from Lightspeed, EMBLEM, and 30+ top operators.

Our team is based in Paris, Buenos Aires, and Miami.

What will you do?

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

Responsibilities

  • 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 existing and new applications in consultation with mobile engineers.

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

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

  • Design and define backend tools, databases, and the architecture of our apps.

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

  • Create tools, libraries, or components to enhance the efficiency of backend development processes.

Qualifications

  • 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.

  • Know how to build scalable and maintainable code.

  • Care about what to measure and how it impacts business and users.

Benefits

Competitive salary (in USD or local equivalent).

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).

Tight, ambitious team building something real — fast.

How to Apply

No cover letter needed.

Just tell us who you are and why this role fits you.

If you're part of an underrepresented group in tech, we especially want to hear from you.

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Required Skill Profession

Informática Y Tecnología



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