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X-On Health

Graduate AI Software Engineer

Hybrid

Woodbridge, United kingdom

£ 35,000 /year

Junior

Full Time

09-03-2026

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Skills

Python Go Rust Test Windows Programming Agile Recruitment OpenAI

Job Specifications

Location: Melton, Woodbridge (Hybrid)

Salary: Up to £35,000 (depending upon experience)

Hybrid - office based Monday, Wednesday and Friday

We are looking for a Graduate AI Software Engineer to join the team at X-on in Melton, Woodbridge. Within this role you will help build the infrastructure that powers our next generation of call experiences and data insight tools for our NHS customers.

Responsibilities:

Work within a small agile team to solve technical challenges, develop new functionality and make non-functional improvements to our products and services.
Understand business requirements and how they translate into technical design and development projects and tasks.
Participate in architectural and design discussions and diagnose and troubleshoot complex technical issues
Work with stakeholders to progress and report on projects and tasks
Building Voice Agents: Developing and maintaining our Go-based Voice Agent
API Development: Contributing to our unified AI API that acts as the gateway between our telephony products and various AI providers
Tool Creation: Developing "Tools" (Function Calling) that allow LLMs to interact with real-world data, enabling features such as consultant lookups (RAG) and clinical system integrations
Data Insights: Building pipelines to transcribe and analyse historical call recordings to extract sentiment, summary, and outcome data
Prompt Engineering: Refining system prompts to ensure our agents are safe, accurate, and empathetic in a healthcare context.
Learning and Development: Keeping up to date with the rapidly changing AI landscape (e.g. exploring new models) and prototyping how they can be applied to our products
Operations: Optionally contribute to our AI infrastructure to help operate self-hosted open-source models
Testing & Validation: Development of tooling to assist our Test Team in conducting evals against our many provider models to ensure we are continually optimising for quality and cost

Skills Required:

Competent in primary tech stack
Confident with computer science basics (algorithms, data structures, complexity, design patterns)
Is productive with the basic tools in their discipline Key Skills
Can contribute to an existing framework
Adheres to test coverage standards
Regularly applies learnings from past experience
Programming Proficiency: Foundation in a backend language. Our stack is primarily Go (Golang), so experience with Go or a strong willingness to cross-train from C++/Java/Rust/Python is required
API Integration: Experience consuming RESTful APIs and understanding of JSON data structures
AI/LLM Exposure: Practical experience interacting with LLM APIs (OpenAI, Anthropic, etc.) and understanding concepts like Context Windows, RAG, System Prompts, and Temperature
Concurrency: Understanding of asynchronous programming (WebSockets, goroutines) is highly beneficial given the real-time nature of voice data

Benefits:

25 Days Holiday
Birthday Day Off
Buy Holiday Scheme
Cycle to Work Scheme
Winter Flu Jabs
Free On-Site Parking
Learning and development budget with Professional Qualification Support
Social benefits (paid social events)

SCG is proud to be an equal opportunities employer.

We welcome applications from all parts of the community and are committed to upholding the principles of the Equality Act 2010.

We are committed to supporting applicants with disabilities. We will endeavour to make necessary adjustments to ensure a fair and accessible recruitment process.

About the Company

With over 20 years of experience in delivering solutions tailored to the needs of GP surgeries, X-on Health is shaping the future of primary care with a mission to remove barriers to access and make healthcare more equitable, efficient and patient-centred. As the leading provider of digital access solutions for maximum interoperability in general practice, X-on Health empowers GP surgeries to manage demand effectively and provide seamless patient journeys. Working with over 3,500 practices across the UK, X-on Health is activ... Know more