Senior Full-Stack Engineer — AI-Powered FinTech Platform (Remote)

Communities Tech; La Pampa; Remote; ARS 138,361,000 - 199,855,000; Full time

Benefits offered by this job

Contractor agreement with payment in U

100% remote work

Argentina's public holidays

English classes

Referral program

Access to learning platforms

Job summary

Darwoft is looking for a Senior Fullstack Engineer with a strong frontend focus to join a high-impact FinTech CX project. Work on React/TypeScript features, build admin dashboards and workflows, and collaborate with product and engineering teams in a remote LATAM setting.

You’ll use AI-assisted workflows to accelerate prototyping, ensure data integrity, and own end-to-end sections of the product. Excellent English and a track record in scalable web apps are essential.

Qualifications

• Proficient in React/TypeScript frontend development.
• Experience building full-stack web apps deployed to production.
• Familiar with AI-assisted development tools and workflow automation.
• Excellent written and spoken English.

Responsibilities

• Extend production SQL database on Azure with new tables, permissions and versioned records.
• Write server-side workflow rules: state machines, approvals, review steps.
• Enforce role-based access by company and assignment at database and API levels.
• Build audit logs, idempotent endpoints and stale-write protection.
• Create React/TypeScript dashboards, work queues and bulk tools.
• Integrate email, SMS and file storage providers and sync APIs for mobile apps.
• Write migrations and reconciliation reports for legacy data.
• Break sprint scope into PRs and verify acceptance criteria.

Skills

React

TypeScript

AI tooling

English proficiency

Tools

Azure SQL

Cursor

Claude Code

GitHub Copilot

TanStack Query

Job description

Darwoft is looking for a Senior Fullstack Engineer with a strong frontend focus to join a high-impact FinTech CX project. Work on React/TypeScript features, build admin dashboards and workflows, and collaborate with product and engineering teams in a remote LATAM setting.

You’ll use AI-assisted workflows to accelerate prototyping, ensure data integrity, and own end-to-end sections of the product. Excellent English and a track record in scalable web apps are essential.