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Urgent! Senior Backend Engineer Job Opening In Comuna 1 – Now Hiring The Mobile-First Company

Senior Backend Engineer



Job description

Overview

Join Senior Backend Engineer role at 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.

Responsibilities

  • Work side by side with the CTO to define the foundations, present and future of our backend and AI systems.

  • Develop and enhance backend systems for existing and new applications with mobile engineers.

  • Design, plan and maintain scalable, reliable backend tools, databases and application architecture.

  • Integrate directly with Cloud services (AWS, Supabase, Cloudflare).

  • Create libraries or components to boost developer efficiency.

What you'll be working on

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

  • Define backend tools, databases, and architecture of our apps.

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

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

What we're looking for

  • Backend Engineering: Proficiency in Kotlin, Java, Go, Python or similar; database design, management, optimization; track record of scalable, reliable systems; AI experience is a strong plus.

  • Systems Architecture: Expertise in scalable, maintainable architectures with pattern knowledge; monitoring with New Relic or Datadog.

  • Performance & Data: Build scalable code; measure impact; track behavior, usage, performance; improve based on data.

  • How you think: Ask smart questions, challenge ideas, shape next.

  • How you work: Communicate clearly; give feedback with no ego; move fast, own, thrive in ambiguity; work in English; small team, big goals.

  • What matters to us: 4+ years in product companies; design high‑performance systems used by millions; proactive, autonomous; English fluency.

    Spanish, French also welcome.

What we offer

  • 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)

Diversity & Inclusion

No cover letter needed—just tell us who you are and why this role fits you.

We welcome background from all backgrounds.

If you’re part of an under‑represented group in tech, we especially want to hear from you.

How to Apply

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

Send a spontaneous application to ****** if you want to join us.

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Required Skill Profession

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