Senior Backend & Platform Engineer

The Mobile First Company; Buenos Aires; Remote; ARS 211,951,000 - 317,927,000; Full time

Benefits offered by this job

Equity package

Team retreats abroad

Onboarding trips to hubs

Laptop and home setup provided

Private health insurance coverage

Job summary

The Mobile-First Company is seeking an experienced Backend Engineer/Architect to drive the evolution of our backend architecture, infrastructure, and AI capabilities. You will collaborate with the CTO and engineering teams to design scalable systems and lead critical technical initiatives across the stack.

You will mentor engineers, shape platform tooling, and help us ship fast while maintaining reliability in a fast-growing startup environment.

Qualifications

• Strong backend development expertise with Kotlin/Java/Go/Python.
• Experience building and operating scalable backend systems in production.
• Distributed systems understanding and performance optimization.
• Experience integrating AI models or AI-powered workflows is a plus.

Responsibilities

• Design and evolve backend architecture powering core products and internal platform.
• Mentor and support engineers across the team.
• Lead complex initiatives across backend, data, CI/CD, and tooling.
• Define scalable foundations to speed shipping and reliability as the company grows.

Skills

Backend languages

Kotlin

Java

Go

Python

Distributed systems

AI integration

Cloud infrastructure

Observability

Leadership

Tools

AWS

Supabase

Cloudflare

Datadog

New Relic

CI/CD tooling

Job description

The Mobile-First Company is seeking an experienced Backend Engineer/Architect to drive the evolution of our backend architecture, infrastructure, and AI capabilities. You will collaborate with the CTO and engineering teams to design scalable systems and lead critical technical initiatives across the stack.

You will mentor engineers, shape platform tooling, and help us ship fast while maintaining reliability in a fast-growing startup environment.