Junchuan Zhang | Jacky (He/His)
Certified Six Sigma Black Belt (CSSBB)

Junchuan Zhang | Jacky (He/His)

Junchuan Zhang (Jacky)

Software Engineer | Six Sigma Black Belt | Automotive Technology | JLR UK

Software Engineer at Jaguar Land Rover (JLR), specialising in vehicle connectivity, diagnostics, and software testing. Recently certified as Certified Six Sigma Black Belt (CSSBB) by the International Lean Six Sigma Institute (ILSSI), combining data-driven process improvement with hands-on software engineering.

Academic background includes Merit MSc in Rehabilitation Engineering and Assistive Technologies (UCL) and 1st Class BSc in Computer Science and Electronic Engineering (University of Liverpool).

Current Work at JLR

Contributing to next-generation vehicle technologies:

  • DCS (Data Consent Service): Development and maintenance of vehicle data consent management systems for user data permissions and regulatory compliance
  • SOVD (Service-Oriented Vehicle Diagnostics): Cloud-based diagnostic services for remote vehicle health monitoring and predictive maintenance
  • Emergency Call Systems: End-to-end testing for Bcall (Breakdown Call) and Ecall (Emergency Call) systems, ensuring reliability and safety compliance

Technical Expertise

Testing & Quality Assurance

  • Behaviour-driven development with GTest and Behave for C++ services
  • Docker containerisation for acceptance testing
  • Robot Framework for automated AWS service testing
  • AWS XRay integration for test case generation and distributed tracing
  • Python scripting for test automation

Software Development

  • C++ development for embedded and vehicle systems
  • Microservices architecture and integration
  • RESTful API design, development, and testing
  • Full-stack web development (React, Vue 3, Node.js, FastAPI)
  • Mobile application development (Flutter)

DevOps & Cloud Infrastructure

  • Kubernetes container orchestration
  • GitLab CI/CD pipeline development
  • AWS cloud services (S3, deployment, monitoring)
  • Datadog observability

AI & Process Improvement

  • AI agent systems with multi-model LLM orchestration, tool calling, and RAG
  • Certified Six Sigma Black Belt (CSSBB, ILSSI) — process optimisation and data-driven problem solving
  • AI/ML integration (OpenAI, Anthropic Claude, LiteLLM, OCR)

Project Highlights

My portfolio spans enterprise systems, AI agents, and embedded devices:

  • Jacky AI Agent — Public full-stack personal AI agent with 16 bundled skills, RAG knowledge base, sandbox execution, and cross-platform PWA access (details)
  • KnowFlow — AI-powered knowledge management with multi-source import and semantic search
  • Project Dashboard — Enterprise workflow system in production at a UK manufacturing company
  • Product Scanner — OCR and AI-powered inventory system in active production use
  • Easy Life Agent — Personal life management with AI-powered notes and todos
  • Online Menu — Bilingual menu management system (details)
  • Assistive Technology Devices — Voice-controlled gimbal system for accessibility (UCL project)
  • Health-Monitoring Wearables — Smart socks for early heart attack detection (UoL project)

Explore my About Me page for full background or Blog for detailed project documentation.