Senior AI Engineer

Job in Greater London, London, Greater London, W1B, England, UK

Listing for: 0026 Checkout Technology Ltd

Full Time position
Listed on 2026-09-09

Job specializations:

Software Development
AI Engineer (Applied/Software), Cloud Engineer - Software, Machine Learning/ ML Engineer

Salary/Wage Range or Industry Benchmark: 85000 - 110000 GBP Yearly GBP 85000.00 110000.00 YEAR

Location: Greater London

Senior AI Engineer – AI Centre of Excellence

About the role

Lead generative AI initiatives, mentor peers, set engineering standards, and design and deploy AI solutions to enhance products and processes.

Responsibilities

Partner with product managers, data scientists, and engineers to research, validate, and deliver high‑impact Generative AI use cases.
Design and build APIs and microservices that integrate AI capabilities into internal and external workflows.
Develop, fine‑tune, and deploy LLM‑based applications (e.g., chatbots, assistants, knowledge extraction tools).
Architect scalable AI infrastructure on cloud platforms (AWS, GCP, or Azure), leveraging containerisation and IaC.
Implement CI/CD pipelines and enforce best practices for secure, compliant AI deployment.
Build intuitive interfaces that enable teams to interact effectively with AI‑driven features.
Continuously optimise performance, reliability, and scalability of AI systems.

Qualifications

Hands‑on experience with LLMs (such as GPT, BERT, Llama, Gemini) and applying them to real‑world problems.
Strong backend engineering expertise, including RESTful APIs and micro‑services design.
Proficiency in Python/JavaScript and familiarity with AI frameworks (e.g., Lang Chain, Pydantic).
Solid understanding of cloud computing (AWS, GCP, or Azure), containerisation (Docker, Kubernetes) and Infrastructure‑as‑Code (Terraform).
Proven problem‑solving skills and ability to thrive in fast‑paced environments.
Excellent communication and collaboration skills across diverse teams.

Preferred Qualifications

Proficiency in C# or Java.
Front‑end development experience with JavaScript/Type Script and frameworks such as React.
Experience developing Generative AI applications, including model fine‑tuning and prototyping.
Awareness of ethical AI practices and emerging standards in AI governance.
Track record of rapid prototyping with measurable ROI.
Familiarity with distributed systems and large‑scale data processing.
Contributions to open‑source projects or a strong Git Hub portfolio.
High technical curiosity and eagerness to learn new platforms.
Experience in the payments industry (strong plus).

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