Software Engineer – AI & Data Systems
£40,000 to £90,000 (DOE) + performance bonus
Permanent
Hybrid (1 day per week in the week, 4 days remote)
UK nationals only (no dual nationality) | Must hold SC clearance
About the Role
An innovative UK technology company is developing a next-generation AI platform designed for defence and health applications. We’re looking for a Software Engineer who thrives on learning quickly, solving complex technical problems, and building systems that make a real-world impact.
This is a genuine ground-floor opportunity to influence both the technology and your career path within a growing, mission-driven business.
What You’ll Work On
* Design, build, and scale intelligent systems and microservices
* Develop AI-driven capabilities (e.g. LLMs, retrieval-augmented generation (RAG), and AI agents)
* Build and maintain APIs, data pipelines, and backend components (primarily Python, FastAPI, or Flask)
* Engineer robust, containerised architectures using Docker and Kubernetes
* Work with ElasticSearch, Weaviate, Pinecone, and other vector databases
* Help deliver high-availability, fault-tolerant systems for mission-critical workloads
What We’re Looking For
* Degree in Computer Science, AI, or related field, or equivalent hands-on experience
* Driven and a self starter
* Experience with LLMs, vector databases, or AI/ML frameworks
* Strong foundation in Python or similar programming languages
* Exposure to backend development for secure, on-premise systems
* Passionate programmer with a problem-solving mindset
* Quick learner who enjoys exploring new technologies
* Familiarity with microservice architectures and containerisation (Docker/K8s)
* Experience in AI, data engineering, or distributed systems
* Flexible, collaborative, and adaptable, comfortable wearing many hats in an SME environment
* Security Check (SC) cleared, British nationals only (no dual nationality)
Why Join?
* Shape a pioneering AI platform with nationwide significance
* Mentorship and growth within a collaborative, high-performing team
* Work that genuinely matters with high-impact and real-world outcomes
* Hybrid working environment
* Competitive salary £40k–£90k + performance bonuses
* 25 days holiday excluding bank holidays (1 extra day for each year worked up to 28 days)
* Pension plan and healthcare cover