Work that holds up.
Technical outcomes from real engagements. No marketing language — just what the problem was, what we built, and what changed.
Zero-downtime PostgreSQL migration at 800GB scale
Migrated a monolithic PostgreSQL 11 instance to a multi-region CockroachDB cluster without a maintenance window, while the platform processed 4,000 transactions per second.
Storage architecture for 200TB artifact repository
Redesigned a flat S3 bucket structure into a tiered object storage architecture, cutting monthly storage costs by 47% while improving artifact retrieval times for CI/CD pipelines.
Real-time data pipeline for 2B daily events
Replaced a nightly batch ETL process with a real-time streaming pipeline, reducing reporting latency from 18 hours to under 90 seconds across 2 billion daily tracking events.
Query optimisation across a 200-table multi-tenant schema
Identified and resolved 23 critical slow queries in a multi-tenant PostgreSQL schema, reducing average dashboard load time from 11 seconds to 800ms without schema changes.
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