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Services

Problems I solve

Every engagement is fixed scope, fixed price, and delivered by one architect. Lead with the pain. Ship a system your team can own.

Platform Modernisation Legacy modernisation

Modernise Legacy .NET Systems — Zero Downtime

Your .NET Framework monolith is slowing every deployment. Pages take seconds. Audit trails are unreliable. I refactor it to a zero-warning .NET 10 Blazor platform — your team maintains clean code, your users get sub-second pages, and cutover happens with zero downtime. On the case-management rebuild that meant 74,200+ LOC moved without a day of downtime.

Zero-downtime migration strategy with data sync
Same-store SQL audit trails on every transaction
EF Core LINQ optimisation and index tuning
Source code purchase available — perpetual licence
Fintech and Ledgers Financial systems

Build a Zero-Loss Financial Ledger or Commission Engine

Commission errors cost clients real money. Bank reconciliations that do not balance are a compliance risk. I build transaction pipelines protected by proved two-writer SQL concurrency — your numbers balance at peak load, every time. Same-store audit means every mutation has a permanent, verifiable record in the same transaction.

Atomic multi-store credit and debit settlement
Production-tested two-writer concurrency controls
Same-transaction SQL audit trail on every write
Real-time reconciliation with zero data loss
Distributed Workers Worker automation

Automate Operations with Fault-Tolerant Worker Queues

Campaign automation that duplicates? Document ingestion that drops files? Background queues that lose jobs on restart? I build atomic claim-leasing, idempotency keys, and three-category lease recovery so every job runs exactly once — even through host failure.

Atomic claim-leasing with full attempt tracking
Transactional outbox pattern recovery
Egress-controlled ingestion with SSRF protection
Resilient cancellation and error handling
Technical Advisory Architecture audit

Recover a Troubled Project or Audit Codebase Health

Stalled delivery? Mysterious deadlocks? Security gaps you cannot quantify? I deliver a written report with prioritised fixes, a remediation roadmap, and executable next steps. Typical turnaround: two weeks. If we proceed to a build, the audit fee is credited.

EF Core LINQ and index performance optimisation
Server-side authorisation and impersonation audit
Concurrency predicate and row-version remediation
Zero-build-warning pipeline certification

Not sure which service fits?

Book a free 30-minute call. I will listen, ask questions, and tell you honestly whether I can help.

Kobalt Tech

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