Fullstack Developer

Ref: BBBH66784_1778074864

Fullstack Developer

Whitehall Resources currently require an experienced Fullstack Developer to work with a key client based in Sheffield

**Please note this role is 3 days onsite weekly and falls INSIDE IR35**

Role summary
Build the end-to-end AI helpdesk product across web UI, APIs, agent orchestration, and enterprise workflow automation.

Key responsibilities
* Design and build user-facing applications for employees, support agents, and admins.
* Develop frontend, backend, and API layers for chat, ticket submission, status tracking, and escalation.
* Build LLM/agent workflows for repetitive IT helpdesk tasks such as password reset, account unlock, software access, and knowledge-based troubleshooting.
* Integrate with ticketing, identity, collaboration, and ITSM platforms.
* Implement prompt flows, guardrails, fallback logic, and human handoff.
* Own feature delivery from design through deployment.

Required skills
* Strong full-stack engineering experience with modern frontend and backend frameworks.
* Experience with Python, Node.js, or Java.
* Experience building REST APIs, workflow services, and production web apps.
* Working knowledge of LLM APIs, prompt engineering, and agent/tool-calling patterns.
* Familiarity with authentication, RBAC, logging, and secure coding.

Preferred
* Experience with ServiceNow, Jira, Zendesk, Microsoft Teams, Slack, or telephony/chat integrations.
* Experience building internal enterprise support tools.

All of our opportunities require that applicants are eligible to work in the specified country/location, unless otherwise stated in the job description.

Whitehall Resources are an equal opportunities employer who value a diverse and inclusive working environment. All qualified applicants will receive consideration for employment without regard to race, religion, gender identity or expression, sexual orientation, national origin, pregnancy, disability, age, veteran status, or other characteristics.

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