AI Engineer – Full Stack

The Hartford

AI Engineer - Full Stack designing interactive modern AI native applications. Collaborating with cross-functional teams at The Hartford to enhance AI interactions and workflows.

Posted 7/9/2026full-timeRemote • Connecticut • 🇺🇸 United StatesMid-LevelSenior💰 $88,000 - $132,000 per yearWebsite

Tech Stack

Tools & technologies

DockerFlaskJavaScriptKubernetesNext.jsNGINXPythonReactTypeScript

About the role

Key responsibilities & impact

Design and develop interactive AI native front-end applications powered by AI Agents/LLMs
Create intuitive, AI-native user experiences that enable seamless interaction, collaboration, and control across Agentic AI systems and autonomous workflows
Partner with AI engineering / Data Science teams to integrate APIs, event driven (SSE),polling, webhooks and/or similar features
Prototype, design and implement modern Agentic UX standards, protocols and ideas , Ex. Elicitation, UX negotiation and A2UI compliant Apps
Build full stack AI Agents with Google ADK implementing advanced features like A2A, AAIF, A2UI, Agent skills, and MCP
Research and adopt modern full-stack technologies, Agentic UX innovations, and front-end best practices
Perform testing, debugging, optimization, and performance tuning to ensure high-quality user experiences
Partner with product managers, UX designers, and AI architects to translate business requirements into production-ready solutions

Requirements

What you’ll need

Bachelor's or Master’s degree in computer science, Engineering, or related field
3+ years of professional experience in building modern web applications using React or comparable front-end frameworks
3+ years of solid experience in Python-based web development using frameworks such as FastAPI, Flask, or similar libraries
Strong programming/scripting skills in Python (Asyncio/Pydantic), HTMX, JavaScript, TypeScript, HTML, and CSS
Hands-on Experience with Jinja2, Tailwind CSS or similar templating/styling tools/technology
Experience working with Figma, including interpreting designs, collaborating with designers, and translating UI/UX specifications into implementation
Strong understanding of RESTful APIs, event-driven architectures, webhooks and real-time data integration (websockets)
Experience integrating UI frontend with ADK Agents, A2A and MCP
Solid understanding of UI/UX best practices, including designing for AI-Native interfaces (HITL, time travel, checkpointing, real-time steering)
Experience building web applications with WCAG accessibility standards
Experience designing user workflows, multipart forms, validations, auto complete and error-handling best practices
Exposure to containerized environments using Docker, Kubernetes, and CI/CD delivery pipelines
Familiarity with middleware and modern web frameworks such as Nginx, Next.js or similar
Experience developing and maintaining clean, reliable, and production-ready code, with a strong commitment to coding standards, testing, documentation, and engineering best practices
Result oriented, demonstrating ownership, accountability, and urgency in delivering business outcomes.

Benefits

Comp & perks

Short-term or annual bonuses
Long-term incentives
On-the-spot recognition

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

PythonJavaScriptTypeScriptHTMLCSSFastAPIFlaskHTMXJinja2Tailwind CSS

Soft Skills

OwnershipAccountabilityResult Oriented

Certifications

Bachelor's Degree in Computer ScienceMaster's Degree in Engineering