Remote Principal Software Engineer — Scalable Backend

Atomic HR; Buenos Aires; Remote; ARS 106,112,000 - 151,589,000; Full time

Benefits offered by this job

Equity

Remote-first team

Comprehensive benefits

Job summary

Atomic HR is hiring a Principal Software Engineer for a US SaaS startup with a remote-first team. You will own backend design, data pipelines, and system architecture for scalable, secure platforms serving frontline workers.

You will lead end-to-end development, define identity management and security standards, and partner with product, design, and data teams to shape the platform's future. Offer includes a competitive salary around $70k-$100k USD per year, equity, and a comprehensive benefits

Qualifications

• 8+ years of experience as a software engineer with leadership of end-to-end projects.
• Expertise in system architecture for scalable, reliable software.
• Experience implementing secure systems and identity verification integrations.
• Ability to balance strategic thinking with hands-on execution.
• Experience building and shipping scalable software.
• Experience automating complex processes (eligibility checks, fraud detection).
• Experience handling large volumes of sensitive data (privacy/security).
• Experience integrating identity verification features (facial recognition, document verification).

Responsibilities

• Take ownership of designing, implementing, and scaling the platform's core backend systems and data pipelines.
• Lead end-to-end development for critical platform features, ensuring quality, performance, and scalability.
• Define the architecture and standards for identity management, security solutions, and third-party API integrations.
• Champion best practices in reliability engineering, DevOps, and infrastructure-as-code across the engineering team.
• Collaborate with cross-functional teams, including product, design, and data, to shape the future of the platform.
• Collaborate with a small team of experienced engineers on full-stack development, impacting both backend systems and frontend technologies

Skills

Backend architecture

Security design

Identity verification

DevOps / IaC

Data pipelines

Team leadership

Full-stack collaboration

Performance & scalability

Job description

Atomic HR is hiring a Principal Software Engineer for a US SaaS startup with a remote-first team. You will own backend design, data pipelines, and system architecture for scalable, secure platforms serving frontline workers.

You will lead end-to-end development, define identity management and security standards, and partner with product, design, and data teams to shape the platform's future. Offer includes a competitive salary around $70k-$100k USD per year, equity, and a comprehensive benefits