AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!

ABOUT THE ROLE

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





- 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.

NICE TO HAVES

- Working knowledge of C# / .NET.

- AG Grid and/or SpreadJS.

- Stryker mutation testing.

- OpenTelemetry / Grafana Faro.

- Amplitude.

- ASC 740 tax provision concepts or corporate tax software.

- pa11y / accessibility testing.

- GitGuardian, Veracode, or Sonatype.

- AI-powered testing or development agents.

PERKS AND BENEFITS

- 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 general 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

📌 Full Stack Engineer (Santiago del Estero)
🏢 AgileEngine
📍 Santiago del Estero