Cloud Security Engineer: Infra, Compliance & Automation

The Mobile-First Company; Municipio de Rincón de los Sauces; On-site; ARS 138,487,000 - 230,812,000; Full time

Benefits offered by this job

Equity package

10 days team retreats abroad every año

Trips to hubs (Pairs/Miami/BA)

Laptop and work setup of your choice

Private health insurance (US or LATAM)

Ambitious team building something real

Job summary

The Mobile-First Company is seeking a security‑minded backend engineer to own our security and compliance program. You will work with our CTO and infra teams to harden cloud infrastructure, implement secure CI/CD, and protect authentication, data, and compliance controls across our growing platform.

Ideal candidates have hands‑on experience securing production systems, a strong programming background in Python/Go/TypeScript/Java, and comfort working in a fast‑paced, remote‑friendly startup with

Qualifications

• 4+ years of experience building and operating backend systems in production, with hands-on responsibility for security.
• You understand production, balancing reliability, observability and recovery with security considerations.
• You prioritise by real-world risk and can explain what to fix today in terms of users, data and business impact.
• You can communicate in English; the team also speaks Spanish and French.

Responsibilities

• Own our security and compliance roadmap from strategy to execution with CTO.
• Lead our offensive security track with external partners: scope pentests, triage findings and drive fixes across infrastructure and code.
• Partner with Infra & Platform to design, harden and scale backend and cloud infrastructure behind our products.
• Secure cloud infrastructure (AWS, IAM, networking, encryption, secrets, logging) and implement robust authentication and data protection.
• Build security into CI/CD: code, dependency and secret scanning to keep pace with rapid deployments.
• Write tooling to fix vulnerabilities and prevent recurrence; own compliance controls (HIPAA, GDPR, SOC 2).
• Monitor, alert and respond to security incidents for our telephony and AI product.

Skills

Python

Go

TypeScript

Kotlin

Java

Automation

AI tools usage

English communication

Tools

AWS

Terraform

CDK

Pulumi

Cloudflare

KMS

CloudTrail

GuardDuty

Job description

The Mobile-First Company is seeking a security‑minded backend engineer to own our security and compliance program. You will work with our CTO and infra teams to harden cloud infrastructure, implement secure CI/CD, and protect authentication, data, and compliance controls across our growing platform.

Ideal candidates have hands‑on experience securing production systems, a strong programming background in Python/Go/TypeScript/Java, and comfort working in a fast‑paced, remote‑friendly startup with