Kraken Technologies
2025–present
Performance
Lazy pagination at scale
Replaced full-table counts and added filter indexes, eliminating timeouts on a view spanning approximately 26 million records.
The work between the stops
Contribution archive.
Engineering, teaching and the things on the side. Grouped into initiatives, with a story behind each one.
6 contributions
Reset filtersYears refer to the project or role period. These summaries draw on my CV and published recipes; private PRs and client data are not reproduced.
Kraken Technologies
2025–present
Performance
Recovering production storage
Safely removed 11 redundant PostgreSQL indexes across two estates, reclaiming approximately 1.43 TB.
Kraken Technologies
2025–present
Data integrity
Validate before submission
Blocked approximately 483,000 invalid updates per month across two enterprise clients.
Kraken Technologies
2025–present
Data integrity
Repairing migration data
Corrected overlapping meter dates, preserved required fields and built bulk repair tooling with dry-run support.
Kraken Technologies
2025–present
Reliability
Missing-timestamp handling
Fixed a validation defect responsible for 3.7 million application errors, adding regression tests and diagnostic logging.
Kraken Technologies
2025–present
Authentication
Multi-tenant authentication
Implemented and tested SSO for two organisations using OIDC, Okta and django-allauth with email-domain routing.