Andrew Day

AI & Software Engineering Leader | Enterprise Banking Technology | Data Science & LLM Specialist

Andrew Day is a senior technology leader with 18 years of experience in software engineering, enterprise banking technology, artificial intelligence, and data engineering.

He spent the first 10 years of his career building large-scale enterprise banking systems, delivering secure, high-availability platforms within highly regulated financial environments. His work focused on software architecture, distributed systems, data infrastructure, cloud platforms, and mission-critical applications used by global financial institutions.

For the past 8 years, Andrew has worked in AI-driven startups, leading the development of machine learning systems, large language model (LLM) applications, and data platforms that turn complex, unstructured data into actionable intelligence. He has designed and scaled AI products from early-stage concept to production, specialising in applied AI, natural language processing (NLP), data pipelines, and scalable ML infrastructure.

Andrew has led cross-functional engineering teams across Europe, North America, and Asia, building high-performing global teams focused on technical excellence, product delivery, and innovation.

Expertise

  • Software development & system architecture
  • Enterprise banking technology
  • Artificial intelligence & machine learning
  • Large language models & NLP
  • Data engineering & analytics platforms
  • Cloud infrastructure & scalable systems
  • Engineering leadership & global team management

Writes about

AI implementation, scalable software systems, engineering leadership, and the practical application of data science in modern organisations.

Connect

LinkedIn
About Andrew Day — StackSpend