Lead Full-Stack Engineer, AI-Driven Fintech (Remote)

Winston Artory Group; Argentina; Remote; ARS 92,909,000 - 185,819,000; Full time

Benefits offered by this job

Flexible remote work environment

Paid time off

Learning & development

Job summary

Winston Artory Group is hiring a Lead Full Stack Engineer with a backend emphasis. You will own features end-to-end, from data models to API design and limited UI work, shaping architecture in a fast-growing startup at the intersection of art, fintech, and AI.

You will lead backend design, establish engineering standards, and partner with leadership to prototype, test, and iterate in an early-stage environment. English fluency is required.

Qualifications

• 7+ years of fullstack engineering experience in startups or product companies.
• Expert in Python backend development with scalable services and APIs; strong React and TypeScript skills.
• Strong PostgreSQL skills: schema design, queries, migrations.
• Deep understanding of API design (REST/GraphQL) and auth/error handling.
• Hands-on LLM/AI integration (OpenAI/Anthropic/open-source) and prompt engineering.
• Frontend fundamentals: state management, tooling, testing.
• English fluency, strong product sense and communication.

Responsibilities

• Own end-to-end features from data model to UI, primarily backend-focused.
• Lead backend design for reliability, observability, and scaling.
• Establish fullstack engineering standards and code organization.
• Build interfaces surfacing LLM outputs and real-time data insights.
• Prototype AI-powered features and ship quickly with iterative feedback.
• Make architectural decisions balancing backend performance and frontend polish.
• Collaborate with Head of Engineering and stakeholders to communicate decisions.

Skills

Fullstack

Python

React/TypeScript

PostgreSQL

API design REST/GraphQL

LLM integration

AWS/Docker

Tools

Docker

Terraform

AWS

Job description

Winston Artory Group is hiring a Lead Full Stack Engineer with a backend emphasis. You will own features end-to-end, from data models to API design and limited UI work, shaping architecture in a fast-growing startup at the intersection of art, fintech, and AI.

You will lead backend design, establish engineering standards, and partner with leadership to prototype, test, and iterate in an early-stage environment. English fluency is required.