Drezen Technology

Selected work

Outcomes, measured

Every case study below states the problem, the approach, and what changed — with numbers that were instrumented before the work started rather than estimated afterwards.

All case studies

Fintech & Financial Services9 months

Rebuilding a lending origination platform around an event-sourced ledger

An event-sourced origination platform replacing a spreadsheet-and-email process, with decisioning, audit trail and reconciliation built in.

Median time to credit decision
4.2 days → 6 hrsMedian time to credit decision
Applications processed per underwriter
3.1xApplications processed per underwriter
Decisions reconstructable for audit
100%Decisions reconstructable for audit
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Fintech & Financial Services11 months

Migrating a regional bank to AWS without a maintenance window

43 workloads moved from two ageing data centres to AWS in eleven months, with a governed landing zone and a 34% run-rate reduction.

Unplanned outages during migration
0Unplanned outages during migration
Infrastructure run-rate reduction
34%Infrastructure run-rate reduction
Environment provisioning time
11 days → 40 minEnvironment provisioning time
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Logistics & Supply Chain7 months

A supply chain control tower that surfaces exceptions before they land

A real-time visibility platform unifying 19 carrier feeds, with predictive ETAs and exception routing that reaches an operator while options still exist.

Reduction in late-delivery penalties
61%Reduction in late-delivery penalties
Systems an operator monitors
19 → 1Systems an operator monitors
Average earlier exception detection
4.5 hrsAverage earlier exception detection
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SaaS & Technology6 months

Scaling a B2B SaaS platform through 8x growth without a rewrite

Targeted performance and isolation work absorbed 8x tenant growth, cut p95 latency 78%, and took deployment from fortnightly to daily.

Reduction in p95 API latency
78%Reduction in p95 API latency
Deployment frequency
14 days → 1 dayDeployment frequency
Tenant growth absorbed
8xTenant growth absorbed
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Healthcare & Life Sciences8 months

A patient portal designed for the patients who struggle most with portals

A rebuilt patient portal with WCAG 2.1 AA conformance, FHIR integration and plain-language results — activation rose from 23% to 67%.

Patient portal activation rate
23% → 67%Patient portal activation rate
Reduction in routine call volume
41%Reduction in routine call volume
Verified across all patient flows
WCAG 2.1 AAVerified across all patient flows
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E-commerce & Retail5 months

Replatforming to headless commerce ahead of peak season

A headless storefront on Shopify with ERP-integrated inventory — LCP from 4.6s to 1.3s and a 44% lift in mobile conversion.

Largest Contentful Paint (mobile)
4.6s → 1.3sLargest Contentful Paint (mobile)
Mobile conversion rate
+44%Mobile conversion rate
Overselling incidents during peak
0Overselling incidents during peak
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Logistics & Supply Chain6 months

An offline-first field service app for engineers with no signal

A React Native field app that works fully offline for 340 engineers, replacing paper job sheets and cutting admin time per job by 52%.

Reduction in admin time per job
52%Reduction in admin time per job
Field engineers on the platform
340Field engineers on the platform
Sync success rate on reconnect
99.4%Sync success rate on reconnect
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A note on these case studies

Client names are anonymised composites and the figures shown are illustrative of typical engagement outcomes while approvals are pending. We would rather say that plainly than present unverified numbers as fact. If you would like to speak with a reference client directly, ask us on a call — several are happy to take the conversation.

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