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Haystack
Full Stack Engineer (AI/ML)
£25k
- £35k
Multiple locations
Hybrid
Graduate
Junior
Mid
Senior
Leader
Description
Hybrid requirements: This role has flexible working patterns.
About the Job
A fast-growing tech startup is transforming how small and medium-sized businesses approach cybersecurity and compliance—by automating thousands of technical tasks at the click of a button. Backed by a leading venture capital investor, the team operates from a state-of-the-art office in the North East of England.
Description
Design, develop, and deploy end-to-end AI/ML-powered features and applications using Python and modern frameworks.
Build, integrate, and maintain machine learning models/solutions—from data pipelines to API deployment and user-facing delivery.
Collaborate with product managers, domain experts, and engineers to translate business needs into intelligent technologies.
Build robust backend systems and APIs (e.g., FastAPI, Django, Flask) to support AI-driven workflows.
Develop user-friendly frontend interfaces (e.g., React, TypeScript) that surface ML insights and drive engagement.
Lead the development, evaluation, and monitoring of models (LLMs, predictive/classification, agentic workflows), ensuring alignment with security and compliance standards.
Implement best practices for MLOps, including CI/CD, automated testing, model versioning, and data validation.
Architect integrations with vector databases, cloud platforms, and retrieval-augmented generation systems.
Qualifications
3+ years of production experience delivering full-stack AI/ML applications.
Proficient in Python (especially for ML using libraries like TensorFlow, PyTorch, scikit-learn) and backend frameworks (FastAPI, Django, Flask).
Experience with frontend frameworks such as React, Vue, or Angular.
Practical expertise in building and scaling ML models (LLMs, NLP, classification) and deploying them as APIs/services.
Strong skills in MLOps: containerisation (Docker, Kubernetes), cloud deployment (AWS, GCP, Azure), and CI/CD.
Experience with prompt engineering, LLM evaluation, and vector databases (e.g., Pinecone, Weaviate, FAISS).
Excellent communication skills and experience working cross-functionally.
Benefits
The team plays a crucial role in maintaining exceptionally high customer satisfaction, and as such, the company offers one of the most competitive benefits packages in the industry.
❤️🩹 Wellness & Healthcare
👩⚕️ 24/7 GP appointments for you & family
🗣️ Unlimited counselling & mental health support
💪 Virtual gym classes & discounts
🦵 Virtual physiotherapy & 👁️ unlimited eye tests
🫰 Subsidised health insurance
🤝 Care & special needs advice
🐶 25% off video vet consultations
🗓️ Leave Entitlements
✈️ 33 days paid annual leave
🏠 Unlimited leave (sabattical anyone?)
🤢 10 days company sick pay
🎂 Paid day off for your birthday
🐹 Paid pet bereavement leave
🚸 Half-day off for your child’s first school day
💴 Financial Benefits
🏪 4,000+ retailer discounts
📞 Personal finance advice
🥇 £1,000 monthly lottery
🎞️ 40% off cinema tickets
💹 Share options
🎽 Charity match donations
🚘 Driving Lesson Contributions
💵 Interest-Free Loans
🚂 Travel pass advances
🍕 Food & Social
🍹 Unlimited free drinks in the office (catered to you on request!) & 🍴 monthly team meals
Role tech stack
React
Python
Haystack
Full Stack Engineer (AI/ML)
£25k - £35k
Newcastle upon Tyne
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