Remote Full-Stack Engineer: AI-Driven Workflow for Fintech

1801 Haleon Argentina S.A.; La Pampa; Remote; ARS 92,666,000 - 138,998,000; Full time

Benefits offered by this job

Fully remote from LATAM

US time zone overlap

Job summary

1801 Haleon Argentina S.A. is seeking a senior full-stack developer to build workflow software for a live product. You’ll own end-to-end features, from server-side API and database to React screens, guiding AI tooling and ensuring quality through tests and reviews.

You’ll work remotely from LATAM, with core hours in US time zones, and collaborate with the lead developer and product manager to deliver four to five features every two weeks.

Qualifications

• 4+ years of building full-stack web apps released to production.
• Experience in codebases you didn’t write, learning conventions first.
• Hands-on with workflow software: approvals, queues, audit logs.
• Proficient with React, TypeScript and Azure SQL, including migrations.
• Daily use of AI coding tools like Cursor or Claude Code in production.
• Strong written and spoken English ability.
• Experience delivering work in fixed-scope sprints with code reviews and feature flags.

Responsibilities

• Develop server-side features from Azure DB to API, plus React UI layers.
• Collaborate with client engineers, product manager, and leadership on acceptance criteria.
• Write tests, review diffs, and guide AI tooling to ensure correct merges.
• Own end-to-end a product area such as task engine or migration without breaking live features.

Skills

Full-stack development

Adaptability to unfamiliar codebase

Workflow software

React

TypeScript

SQL on Azure

AI coding tools

English communication

Sprint delivery & CI/CD

Job description

1801 Haleon Argentina S.A. is seeking a senior full-stack developer to build workflow software for a live product. You’ll own end-to-end features, from server-side API and database to React screens, guiding AI tooling and ensuring quality through tests and reviews.

You’ll work remotely from LATAM, with core hours in US time zones, and collaborate with the lead developer and product manager to deliver four to five features every two weeks.