Case studies
How the systems were designed — and why.
Long-form engineering writeups: challenge, architecture, implementation, and the results that mattered to the business.
Fintech2024
Scaling a Payments Ledger to 10K TPS
Replacing a legacy ledger with an event-sourced core capable of sustaining mission-critical transaction throughput.
10K+
Sustained TPS
8 ms
Commit p95
0
Reconciliation incidents
−94%
Manual ops effort
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Government2021
Zero-Trust Architecture for Citizen Services
Designing a national-scale services platform that met a strict security audit on the first attempt.
2M+
Citizens served
99.95%
Availability
First attempt
Audit pass rate
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Logistics2023
Real-Time Fleet Tracking for 50K Vehicles
Re-platforming a polling-based tracker into a streaming pipeline that ingests 200K location events per second with sub-second dashboards.
200K
Events / sec
<800 ms
Dashboard latency
+38%
On-time loadings
−92%
DB write load
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Healthcare2022
Modernizing a Hospital EHR Without Downtime
Strangling a 15-year-old monolithic EHR into HIPAA-compliant services while keeping clinicians on the floor and patients on schedule.
0 min
Clinical downtime
Weekly
Release cadence
0 critical
Audit findings
12 min
Integration test
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Machine Learning2024
Self-Serve Feature Platform for 40 ML Teams
Cutting feature-to-production time from 6 weeks to 2 days with a unified offline/online feature store and contract-based ownership.
6w → 2d
Time to production
−86%
Train/serve skew incidents
8 ms
Online lookup p99
40
Teams onboarded
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