Full Stack Engineer

AgileEngine, LLC; Brasil; Presencial; BRL 180 000 - 300 000; Tempo integral

Resumo da oferta

AgileEngine, LLC 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

Qualificações

• Proficiency with React 18 and modern patterns.
• Experience with React microfrontend architecture.
• Backend APIs and serverless apps using Fastify, NestJS, AWS Lambda, and API Gateway.
• Experience with PostgreSQL.
• AWS and Terraform expertise.
• Docker and GitLab CI/CD experience.
• Jest, Playwright, and/or K6 experience.
• Hands-on experience with AI coding tools such as Cursor, GitHub Copilot, Claude Code, or equivalents.

Responsabilidades

• Build and maintain features across React microfrontends and serverless apps.
• Contribute to shared business logic across frontend and backend.
• Develop and maintain unit, integration, and E2E tests.
• Develop and deploy AWS infrastructure with Terraform.
• Participate in GitLab CI/CD pipeline development and maintenance.
• Collaborate with architects and product teams on APIs and data layers.
• Leverage AI coding assistants within a large multi-repo codebase.
• Maintain the legacy ASP.NET Framework 4.7.2 app during migration.

Conhecimentos

React 18

React microfrontend architecture

PostgreSQL

AI coding tools

Unit/integration/E2E testing concepts

Ferramentas

AWS Lambda

API Gateway

Fastify

NestJS

Terraform

Docker

GitLab CI/CD

Jest

Playwright

K6

Descrição da oferta de emprego

We are looking for 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 using Jest and Playwright, and leverage AI coding tools as a core part of daily development within a large multi-repo codebase. The role spans modern TypeScript and a legacy ASP.NET codebase and runs as a contract engagement through end of 2026.

What you will do

• 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.

Must haves

• 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.

Nice to haves

• Working knowledge of C# / .NET.
• AG Grid and/or SpreadJS.
• Stryker mutation testing.
• ASC 740 tax provision concepts or corporate tax software.
• pa11y / accessibility testing.
• GitGuardian, Veracode, or Sonatype.
• AI-powered testing or development agents.
• Growth without limits: build your skills through mentorship, internal TechTalks, challenging projects, and a dedicated annual learning budget
• Competitive compensation: get recognition that reflects your skills and impact, with regular performance and compensation reviews
• Flexibility: work 100% remotely with flexible hours that support focus, autonomy, and a healthy work rhythm
• Meaningful, modern projects: build impactful products using modern technologies alongside global teams and leading brands
• Collaborative culture: join a supportive environment with zero micromanagement where ideas are welcomed and contributions are recognized
• Well-being & support: access local well-being programs and people-focused support tailored to your location