Front End Engineer - AI Focus
HarnhamSenior Full Stack / Front-End Engineer (TypeScript, AI Agents)
Location: Remote / Hybrid
Type: Full-time
Level: Senior
The Role
The company is seeking a Senior Full Stack / Front-End Engineer to help build intelligent, AI-powered products. The engineer will focus on delivering high-quality user interfaces while working across the stack to integrate AI agents and LLM-driven systems. This role suits someone who values frontend craftsmanship, system thinking, and product ownership.
Responsibilities
* Design, build, and maintain scalable front-end applications using TypeScript
* Develop full-stack features that integrate AI agents, LLM APIs, and external services
* Collaborate closely with product, design, and AI teams to translate complex AI behaviour into intuitive user experiences
* Implement robust application architecture, state management, and data flows
* Ensure performance, accessibility, and maintainability across the codebase
* Participate in technical decision-making and contribute to engineering best practices
* Mentor and support other engineers as the team grows
Requirements
* 5+ years of experience as a Full Stack or Front-End Engineer
* Strong proficiency in TypeScript and modern JavaScript
* Extensive experience with frameworks such as React, Next.js, or similar
* Backend experience using Node.js, Python, or equivalent
* Experience integrating REST and/or GraphQL APIs
* Strong understanding of frontend architecture, performance, and UX principles
* Ability to work effectively in fast-paced, ambiguous environments
Desirable Experience
* Hands-on experience with AI agents, LLMs, or prompt-based systems
* Familiarity with streaming responses, tool calling, or multi-step agent workflows
* Experience working with real-time or event-driven systems
* Exposure to design systems, accessibility standards, or data-heavy interfaces
* Previous experience in startup or high-ownership teams
What the Company Offers
* The opportunity to work on products at the forefront of AI and user experience
* High-impact role with ownership over core features and technical direction
* Collaborative, low-ego engineering culture
* Competitive salary and equity package
* Flexible working arrangements