Remote Senior Full-Stack Engineer: SQL/Azure, React & AI

1801 Haleon Argentina S.A.; Buenos Aires; Remote; ARS 127,656,000 - 212,760,000; Full time

Job summary

1801 Haleon Argentina S.A. is hiring a senior full-stack engineer to join a remote product studio building MVPs and client workflows. You’ll work on server-side systems up through the API, plus React/TypeScript front-ends, with AI coding tools guiding specs and migrations.

You’ll report to studio leadership and collaborate with the lead developer and product manager. Expect four to five features per two-week sprint, with end-to-end ownership of one area while keeping live features intact.

Qualifications

• 4+ years building full-stack web applications and releasing them to production.
• Experience learning a codebase you didn’t write before making changes.
• Hands-on work on workflow software with role-based data, approvals, queues, and audit/history.
• React, TypeScript and SQL on Azure, including schema design and migrations.
• Daily use of AI coding tools on production work, with tests and CI behind it.
• Clear written and spoken English.
• Experience delivering in fixed-scope sprints with branches, code review and feature flags.

Responsibilities

• Build server-side components from the SQL database on Azure up through the API.
• Develop React and TypeScript screens that sit on top of the backend.
• Direct AI coding tools, review diffs, and decide merges.
• Own end-to-end area (e.g., task engine or legacy migration) without breaking live features.
• Deliver four to five features per two-week sprint, verified before merge.

Skills

Full-stack

Legacy code

Workflow software

React

TypeScript

SQL on Azure

AI coding tools

English communication

Code review

Tools

Cursor

Claude Code

Azure

Job description

1801 Haleon Argentina S.A. is hiring a senior full-stack engineer to join a remote product studio building MVPs and client workflows. You’ll work on server-side systems up through the API, plus React/TypeScript front-ends, with AI coding tools guiding specs and migrations.

You’ll report to studio leadership and collaborate with the lead developer and product manager. Expect four to five features per two-week sprint, with end-to-end ownership of one area while keeping live features intact.