AI Engineer

Haystack
Boston, Massachusetts, United StatesFull-timePosted Aug 29, 2026

About the role

This rapidly growing SaaS company is revolutionizing the construction industry with cutting-edge software solutions.

The Role

Be the key technical expert for modernizing legacy systems using Agentic AI workflows

Design and implement advanced AI solutions focusing on tools like Langchain, RAG, and LLMs

Contribute to a highly collaborative team environment, driving innovation in construction tech

Develop and integrate solutions within an AWS cloud environment

Work hands-on with AI technologies, taking ownership of critical projects

What You'll Need

Proven expertise in Agentic AI workflows, including MCP Servers and Eval Frameworks

Strong experience operating within an AWS cloud environment

Proficiency in at least one backend language (PHP, C#, Java, or Node)

Demonstrated experience in modernizing and refactoring legacy software environments

5+ years of relevant development experience is desired

What's On Offer

Comprehensive medical, dental, and vision insurance

Generous paid time off (PTO)

401(k) plan, including potential company match

Opportunity for bonus or commission eligibility

Apply via Haystack today!

Responsibilities

  • Be the key technical expert for modernizing legacy systems using Agentic AI workflows
  • Design and implement advanced AI solutions focusing on tools like Langchain, RAG, and LLMs
  • Contribute to a highly collaborative team environment, driving innovation in construction tech
  • Develop and integrate solutions within an AWS cloud environment
  • Work hands-on with AI technologies, taking ownership of critical projects

Qualifications

  • Proven expertise in Agentic AI workflows, including MCP Servers and Eval Frameworks
  • Strong experience operating within an AWS cloud environment
  • Proficiency in at least one backend language (PHP, C#, Java, or Node)
  • Demonstrated experience in modernizing and refactoring legacy software environments

Benefits

  • Comprehensive medical, dental, and vision insurance
  • Generous paid time off (PTO)
  • 401(k) plan, including potential company match
  • Opportunity for bonus or commission eligibility

Skills mentioned

Generative AILarge Language ModelsRetrieval-Augmented GenerationLangChainAI AgentsModel Context ProtocolAWSBackend DevelopmentAPI IntegrationCloud Computing

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