James Dunkerley
Head Of Engineering at TransitionZero
England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolJames Dunkerley is a hands-on CTO and technical architect with 11 years of senior engineering leadership, now steering Enso Analytics’ technology and product direction. He blends deep data analytics and cloud expertise with practical systems design—having built serverless data science platforms, hybrid Kubernetes/Hadoop architectures, and secure large-scale data pipelines for government and financial clients. At Enso he progressed from libraries lead to VP of Engineering and CTO, shaping APIs, language features and UX-driven IDE work while contributing backend performance optimizations to the open-source Enso Analytics project. Technical strengths span Java, C#, Python, cloud (AWS/Azure), streaming systems and compiler/DSL work (ANTLR4), and he pairs this with regular user research and client-facing product shaping. A Cambridge mathematician, he is as comfortable implementing low-level performance tweaks as he is defining strategic architectural roadmaps.
11 years of coding experience
21 years of employment as a software developer
Solefield SchoolMA Mathematics, MA Mathematics at University of CambridgeTonbridge School
English
Stackoverflow
12,435reputation
2.7mreached
139answers
7questions
winforms
top-5%
excel
top-5%
datetime
top-5%
Github Skills (28)
data-structure10
java10
javas10
vbnet10
performance-tuning10
data-structures10
algorithm9
code-optimization9
datetime9
algorithms9
date-format9
winforms9
scopes9
optimisation9
excel9
Programming languages (9)
Github contributions (5)
enso-org/enso
Jan 2022 - Jan 2023
Enso Analytics is a self-service data prep and analysis platform designed for data teams.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1980 reviews, 123 commits, 485 PRs in 1 year
Contributions summary:James contributed to the Enso Analytics platform by modifying core data processing and utility functions. Their work focused on implementing performance optimizations, such as changing the distinct operation to use a Map data structure, and implementing new features. The user also contributed to the Time data structures and added string manipulation functionality.
dataprepvisualcompilerhybridenso
enso-org/project-templates
Aug 2022 - Dec 2025
Example Enso projects
Contributions:1 review, 1 PR, 39 pushes in 3 years 4 months
enso
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