£40,000 to £90,000 (DOE) + performance bonus
Permanent
Hybrid
UK nationals only (no dual nationality) | Must hold active 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 (eg LLMs, retrieval-augmented generation (RAG), and AI agents)
Build and maintain APIs, data pipelines, and Back End 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
Experience with LLMs, vector databases, or AI/ML frameworks
Strong foundation in Python, JavaScript, Docker and SQL.
Exposure to Back End 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/Kubernetes)
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
25 days holiday excluding bank holidays (1 extra day for each year worked up to 28 days)
Pension plan and healthcare cover
Competitive salary £40k-£90k + performance bonuses