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Full Stack Engineer

Haystack

seniorpermanentfullstack United States Yesterday via LinkedIn

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Tags

ReactReact NativeNode.jsTypeScriptExpressGraphQLREST APIsBFFMicroservicesCI/CD

About the role

Role: Full Stack Engineer

Design, build, and maintain high-quality web and mobile experiences.

Responsibilities

  • Collaborate with product managers, designers, architects, and partner teams.
  • Develop and maintain Backend-for-Frontend (BFF) services using Node.js, Express, and TypeScript.
  • Integrate applications with enterprise systems and cloud-based services using RESTful APIs and GraphQL.
  • Improve application performance, reliability, scalability, and observability, including CI/CD pipelines.
  • Mentor other engineers and help build a collaborative, high-quality engineering culture.

Requirements

  • 5+ years professional software development experience.
  • Strong full-stack experience.
  • Hands-on experience building modern web apps with React.
  • Production experience building mobile apps with React Native.
  • Proficient in JavaScript and TypeScript.
  • Experience building/maintaining Node.js/TypeScript backend services, APIs, and BFF layers.
  • Strong understanding of API design, REST, GraphQL, microservices, and backend integration patterns.

Nice to have

  • Exposure to AI-assisted development tools.

Location

  • United States

About Haystack

Haystack is an IT staffing and solutions company that connects top talent with innovative organizations across various industries. The role focuses on building and maintaining modern web and mobile applications for client teams.

Scraped 7/26/2026