Senior Full-Stack Engineer - Remote, AI-Driven Cloud Apps

AgileEngine; Rosario; Presencial; ARS 89.322.000 - 163.756.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Growth without limits

Competitive compensation

Flexibility — remote work 100% with 0%

Meaningful modern projects

Collaborative culture

Well-being & support

Descripción de la vacante

AgileEngine is seeking a Senior Full Stack Engineer to build and maintain features across React microfrontends, TypeScript serverless Lambda functions, and Fastify services for a corporate tax provision platform. You will develop AWS infrastructure with Terraform, maintain GitLab CI/CD pipelines, write tests with Jest and Playwright, and leverage AI coding tools daily in a large multi-repo codebase.

The role spans modern TypeScript and a legacy ASP.NET codebase and runs as a contract engagement

Formación

• 3+ years of strong TypeScript/JavaScript with Node 18+.
• Proficiency with React 18 and modern React patterns.
• Experience with React microfrontend architecture.
• Experience with backend APIs and serverless applications using Fastify, NestJS, AWS Lambda, and API Gateway.
• Experience with PostgreSQL.
• Experience with AWS and Terraform.
• Experience with Docker and GitLab CI/CD.
• Experience with Jest, Playwright, and/or K6.
• Hands-on experience with AI coding tools such as Cursor, GitHub Copilot, Claude Code, or equivalent.
• Upper-Intermediate English level.

Responsabilidades

• Build and maintain features across React microfrontends, TypeScript/Node.js serverless applications, and Fastify services.
• Contribute to shared business logic across frontend and backend applications.
• Develop and maintain unit, integration, and E2E tests.
• Develop and deploy AWS infrastructure using Terraform.
• Participate in GitLab CI/CD pipeline development and maintenance.
• Collaborate with architects and product teams on APIs, async job patterns, and data layer abstractions.
• Leverage AI coding assistants effectively within a large, multi-repo codebase.
• Maintain the legacy ASP.NET Framework 4.7.2 application as needed during migration.

Conocimientos

TypeScript/JavaScript

React 18

Microfrontend architecture

Serverless AWS Lambda

Fastify/NestJS

PostgreSQL

AWS & Terraform

Docker

GitLab CI/CD

Jest/Playwright/K6

AI coding tools

English (Upper-Intermediate)

Herramientas

AWS

Terraform

Docker

GitLab CI/CD

Jest

Playwright

K6

Cursor / Copilot / Claude Code

Descripción del empleo

AgileEngine is seeking a Senior Full Stack Engineer to build and maintain features across React microfrontends, TypeScript serverless Lambda functions, and Fastify services for a corporate tax provision platform. You will develop AWS infrastructure with Terraform, maintain GitLab CI/CD pipelines, write tests with Jest and Playwright, and leverage AI coding tools daily in a large multi-repo codebase.

The role spans modern TypeScript and a legacy ASP.NET codebase and runs as a contract engagement