AgileEngine

Full Stack Engineer ID82571

AgileEngine  •  Buenos Aires, AR (Onsite)  •  2 hours ago
Apply
AI can make mistakes so check important info. Chat history is never stored.

Job Description


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 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
AgileEngine

About AgileEngine

AgileEngine is a digital consultancy offering top-1% tech talent across 15+ countries. We’ve helped 300+ clients in 17+ industries — from VC-backed startups to Fortune 500 brands — build software that solves real-world problems and drives measurable impact. Our clients achieve up to 3x higher ROI and 3x faster time-to-hire, with some partnerships spanning 10+ years.

Work with AgileEngine your way. Our flexible engagement models include staff augmentation and end-to-end product delivery, depending on your needs — ensuring faster scaling, seamless collaboration, and AI-enhanced productivity.

What we offer:

• Custom software development – scalable web, mobile, and backend solutions.

• AI & data solutions – GenAI, ML, and analytics for faster, smarter decisions.

• Design solutions – UX/UI consultancy and product design that wows users.

• Quality solutions – QA automation and testing for flawless delivery.

Our impact speaks for itself. AgileEngine has been listed on the Inc. 5000 for nine consecutive years, named among the Top 100 Software Development Companies of 2025 by Techreviewer, and recognized by Clutch as a Top Machine Learning Company.

Ready to build something exceptional? Schedule a free discovery call with our team!

Industry
IT & Software
Company Size
501-1,000 employees
Headquarters
Boca Raton, Florida
Year Founded
2010
Social Media