AI Software Engineer

SCG Midlands; Melton; Hybrid; GBP 21,000 - 35,000; Full time

Benefits offered by this job

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“

Social benefits (paid social events)

Job summary

SCG Midlands in Melton, England, is seeking a Software Engineer to join the hybrid team. You will help build the next generation of call experiences and data insight tools for NHS customers, with several years of industry experience.

The role offers hybrid work with office presence on Monday/Wednesday/Friday and a salary up to £35,000 depending on experience. You will work on Go-based Voice Agents, API development, LLM tooling, data insights, and system prompts, while collaborating with

Qualifications

• Strong backend programming proficiency with Go or willingness to cross-train from other languages.
• Experience consuming RESTful APIs and understanding JSON data structures.
• Practical experience with LLM APIs and AI/LLM concepts such as RAG and prompts.
• Knowledge of concurrency and asynchronous programming (WebSockets, goroutines).
• Several years of industry experience and a collaborative mindset.

Responsibilities

• Work within a small agile team to solve technical challenges and enhance products.
• Translate business requirements into technical design and development tasks.
• Participate in architectural discussions and diagnose complex issues.
• Develop Voice Agents using Go and contribute to AI API gateways.
• Create tools enabling LLM interaction with real-world data and RAG workflows.
• Build data pipelines to transcribe and analyze historical call data.
• Refine system prompts to keep healthcare AI safe, accurate, and empathetic.
• Stay updated with AI advances and prototype new models for products.
• Optionally contribute to self-hosted AI infrastructure and testing tooling.

Skills

Go backend

RESTful APIs

AI/LLM exposure

Concurrency

Team player

Tools

Go

WebSockets

LLM APIs

JSON data structures

REST APIs

Job description

Location: Melton, Woodbridge (Hybrid)

Salary: Up to £35,000 depending on experience

Hybrid- Office based Monday, Wednesday and Friday

We are looking for a Software Engineer to join our expanding team. You will help build the infrastructure that powers our next generation of call experiences and data insight tools for our NHS customers. You will have several years’ experience in industry.

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

Our Core Tech Stack

• GitLab
• MySQL
• RabbitMQ
• Redis
• PHP + Laravel
• React
• Electron
• Puppet (build and deploy)
• OpenSIPS
• FreeSWITCH

Essential Experience

• Programming Proficiency: Strong 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
• Several years experience in industry
• A team player who shows initiative

Desirable Experience

• Experience with LLM guardrails and PII-redaction
• Understanding of LLM tool development and MCP
• Knowledge of Speech‑to‑Text (STT) or Text‑to‑Speech (TTS) technologies
• Experience with WebSockets and streaming data
• Familiarity with Telephony/VoIP

Other 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 and is able to deliver small stories
• Adheres to test coverage standards
• Regularly applies learnings from past experience
• Collaborating with team members and is flexible and open to change
• Write unit tests and integration tests to ensure code quality
• Participate in code reviews and ensure adherence to coding standards

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.