Security Clearance: SC (Active)

Engineering secure, practical AI systems that move from research to deployment.

Research-focused software engineering leader with a track record of delivering advanced AI, automation, and cloud platforms in high-assurance environments. Known for rescuing complex projects and translating emerging technology into reliable, stakeholder-ready solutions.

Location UK • Available for consulting
Primary Stack Java, Spring Boot, AWS, Python, React
Portrait of John Dunning
Lead Software Engineer · Project Manager · AI Systems

Recent AI & Emerging Tech

Led internal AI research initiatives focused on secure, offline LLM deployment and explainable decision-making layers for mission-critical workflows.

  • Local LLM fine-tuning and deployment
  • LangChain4j + Drools decision layers
  • Agentic AI guardrails & compliance
  • Ethical AI briefings for senior stakeholders

Key Skills

AI & ML

RAG, embeddings, PyTorch, PocketFlow, agentic workflows

Java Ecosystem

Spring Boot 3, Drools, Maven, microservices

Cloud & DevOps

AWS Lambda, DynamoDB, SAM, Docker, CI/CD

Front End

React, React Native, Redux, JavaScript

Architecture

REST APIs, event-driven systems, distributed pipelines

Leadership

R&D delivery, mentoring, stakeholder engagement

Selected Experience

Hands-on leadership across defence, government, and enterprise environments.

Northrop Grumman UK Ltd · Mission Systems

Lead Software Engineer / Project Manager · 2022 – Present

Leading R&D initiatives combining AI, cyber, and cloud technologies. Directed secure DevSecOps delivery, mentored engineers, and delivered IRAD projects showcased to the Deputy Defence Minister.

Skills421 Training & Consultancy

Full Stack Developer · Sep 2021 – Mar 2023

Built handheld and office applications with React Native, React, and Redux. Delivered Spring Boot, Kafka, MongoDB, and Elasticsearch backends for logistics clients.

Corporate & Private Training

Technical Trainer · Aug 2019 – Sep 2021

Developed and delivered Java, JavaScript, and Python courses. Produced AWS and AI training content, and built client applications with React and Redux.

Level Global / Swinton Insurance / Enterprise Architects

Drools Architect · 2016 – 2019

Designed rules-driven systems, automated migrations to Drools-based frameworks, and delivered tooling across insurance, government, and enterprise engagements.

Government & Defence Consulting

Consultant · 2014 and earlier

Delivered secure software systems for MOD, HMRC, and RAF programs. Led requirements workshops, developed billing and order handling platforms, and supported OS security work.

Clients & Sectors

Defence, government, insurance, logistics, and enterprise software delivery.

Northrop Grumman
MOD & RAF
HMRC
PSA
IBM
Fujitsu
Siemens
Informix
Visa Europe
PCL
Lloyds Bank
EBRD
Charity Commission
Scottish Widows
Page Aerospace
Swinton Insurance
Discover
Yodel
Scottish Government
Enterprise Architects
ATOS

Let’s build the next secure AI platform.

Available for research leadership, delivery rescue, and advisory engagements across AI, cloud, and mission-critical systems.