Full Stack Engineer ID82571

Description

**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 Job Types: Full\-time, Contract Contract length: 4 months Work Location: Remote