Full Stack AI Engineer

Haystack
New York, New York, United StatesFull-timePosted Aug 31, 2026

About the role

A rapidly growing health-tech company is redefining how technology can improve human performance through advanced hardware, software, and AI-driven insights.

The Role

Build scalable systems using Python, TypeScript/JavaScript, SQL, and modern AI frameworks.

Own and build AI-powered tools that enhance customer experience at scale.

Collaborate with cross-functional teams across engineering, product, and operations.

Work on meaningful, real-world problems with immediate impact.

Contribute to 40% Backend / API Development (Python), 30% Frontend / UI (TypeScript/JavaScript), and 30% AI Systems, Integrations, and Automation.

What You'll Need

5+ years of full stack development experience.

Strong programming skills in Python, JavaScript/TypeScript, and SQL.

Experience building AI-powered tools, automation systems, or integrations.

Ability to work independently and solve complex technical challenges.

Experience with system debugging and performance optimization.

Strong communication skills across technical and non-technical teams.

What's On Offer

Competitive Salary

Substantial Equity

Medical, Dental, and Vision Insurance

Apply via Haystack today!

Responsibilities

  • Build scalable systems using Python, TypeScript/JavaScript, SQL, and modern AI frameworks
  • Own and build AI-powered tools that enhance customer experience at scale
  • Collaborate with cross-functional teams across engineering, product, and operations
  • Work on meaningful, real-world problems with immediate impact
  • Contribute to 40% Backend / API Development (Python), 30% Frontend / UI (TypeScript/JavaScript), and 30% AI Systems, Integrations, and Automation

Qualifications

  • 5+ years of full stack development experience
  • Strong programming skills in Python, JavaScript/TypeScript, and SQL
  • Experience building AI-powered tools, automation systems, or integrations
  • Ability to work independently and solve complex technical challenges
  • Experience with system debugging and performance optimization
  • Strong communication skills across technical and non-technical teams

Benefits

  • Competitive Salary
  • Substantial Equity
  • Medical, Dental, and Vision Insurance

Skills mentioned

PythonJavaScriptTypeScriptSQLBackend DevelopmentFrontend DevelopmentAPI IntegrationAutomationDebuggingPerformance Optimization

About Haystack

Haystack combines AI & expert vetting to deliver world-class tech candidates who are engaged, aligned, and ready to interview. We're trusted by over 400,000+ tech candidates, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more. 100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Goodlord to established enterprises like American Express, Dunelm and AWS use Haystack to connect with qualified tech talent that they can't find anywhere else.

Technology51-200 employeesNewcastle upon Tyne, England