Full Stack Engineer
AgileEngine
Senior Full Stack Engineer
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.
If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!
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.
You will:
- 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
NICEST 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
Vacancy posted 2 days ago
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