I build backend systems that hold up when traffic peaks.

B2B engagements taken on directly with companies.

• BetOnline·High-throughput sports feed ingestion

  Co-developed high-throughput feed ingestion microservices using .NET 8 and Apache Kafka, normalising multi-provider sports, market and odds data into a unified domain model.

  .NET 8 · Apache Kafka · Microservices

• WA.Technology·Player Account Management and lottery systems

  Architected Player Account Management (PAM) microservices and iGaming platform features in ASP.NET Core, including lottery systems and a secure RNG API for white-label clients.

  ASP.NET Core · Microservices

• Winna·VIP rewards, cashback and regulatory reporting

  Engineered automated VIP reward workflows, cashback systems and regulatory reporting microservices for one of the top 10 crypto casino operators worldwide, using NestJS, Prisma and PostgreSQL.

  NestJS · Prisma · PostgreSQL · Microservices

• SharkBetting·Affiliate platform: sports odds comparison and subscriptions

  Built a sports odds aggregator with a background TypeScript ingestion engine, and a Next.js portal with Clerk authentication and Stripe subscription management.

  TypeScript · Next.js · Clerk · Stripe

• XPrizo·Core transaction pipelines with strict payment idempotency

  Built core transaction pipelines within a FinTech .NET modular monolith, ensuring strict payment idempotency and validation logic, while supporting the Angular back office and user portals.

  .NET · Modular monolith · Angular

• PwC·Migrating tax reporting systems to .NET 8 microservices

  Maintained enterprise .NET Framework 4.8 tax reporting systems and engineered their migration to .NET 8 microservices on Azure Container Apps, alongside a React (Vite) back office SPA that integrated external sports APIs to show users real-time value bets across bookmakers.

  .NET 8 · Azure Container Apps · React

• Lodgify·Event-driven microservices for vacation rental onboarding

  Designed event-driven .NET 8 microservices for a vacation rental SaaS platform using RabbitMQ, PostgreSQL and EF Core, applying DDD and Clean Architecture to optimise onboarding pipelines.

  .NET 8 · RabbitMQ · PostgreSQL · EF Core · DDD

Enterprise cloud engineering engagements for international organisations.

• Raiffeisen Bank·Modernising 10+ legacy banking applications

  Led a major legacy modernisation programme, transforming 10+ C# Windows Forms desktop apps into scalable .NET Web APIs paired with a modern Angular back office.

  .NET · Web API · Angular

• Heineken·Standardised .NET templates and CI/CD

  Architected standardised .NET project templates and Azure DevOps / ArgoCD CI/CD pipelines, reducing cross-team onboarding overhead and speeding up deployment cycles.

  .NET · Azure DevOps · ArgoCD

• Jacobs Douwe Egberts·Cloud cost optimisation

  Optimised cloud costs and refactored infrastructure across Azure DevOps pipelines, eliminating redundant compute and configuration bloat.

  Azure · Azure DevOps

Architected and optimised high-availability sportsbook microservices handling heavy concurrent load for Africa's largest online gaming platform.

• Real-time cashout over WebSockets

  Re-architected the sportsbook cashout polling system into an event-driven, real-time push workflow using Azure SignalR Service and WebSockets.

  Azure SignalR · WebSockets

• Peak betting flows: from seconds to milliseconds

  Diagnosed and resolved critical bottlenecks in peak betting flows by optimising database and network I/O, cutting processing latency from seconds to milliseconds.

• Migrating monolith services from .NET Framework 4.7.2 to .NET 8

  Led the migration of monolith services from .NET Framework 4.7.2 to .NET 8, refactoring synchronous blocking I/O into non-blocking async/await pipelines.

  .NET 8 · async/await

• Moving high-throughput topics from Kafka to Azure Event Hubs

  Streamlined messaging infrastructure by migrating high-throughput topics from Confluent Cloud Kafka to Azure Event Hubs, and automated cloud deployments with Terraform and Azure Pipelines.

  Kafka · Azure Event Hubs · Terraform · Azure Pipelines

• Containerised microservices on AKS

  Containerised backend microservices with Docker and orchestrated deployments on Azure Kubernetes Service, managing configuration and secrets through Azure App Configuration and Key Vault.

  Docker · AKS · App Configuration · Key Vault

• Distributed tracing across critical betting flows

  Introduced OpenTelemetry across microservices, exporting centralised metrics, logs and traces to New Relic for full distributed tracing across critical betting flows.

  OpenTelemetry · New Relic

Engineered core backend infrastructure for a Nasdaq-listed, multi-brand sportsbook platform handling high-concurrency traffic during global sporting events.

• Sportsbook infrastructure built for 600,000-transaction peaks

  Maintained and optimised high-performance .NET microservices designed to process up to 600,000 peak transactions during major betting events.

  C# · .NET · Microservices

• Event-driven background processing

  Built background microservices and asynchronous processing jobs with C#, RabbitMQ and scheduled worker services for reliable event-driven data streaming.

  C# · RabbitMQ · Worker services

• Multi-layer caching to take load off the database

  Implemented multi-layer caching with Redis and in-memory caches, significantly reducing SQL Server load and improving API response times.

  Redis · SQL Server

• High-availability APIs and shared libraries

  Designed high-availability RESTful Web APIs and reusable C# class libraries to standardise data access across internal teams and client apps.

  ASP.NET Web API · C#

• Sub-second latency on critical workflows

  Monitored system health, diagnosed I/O and memory bottlenecks, and made code-level optimisations to keep critical workflows at sub-second latency.

• Enterprise .NET web applications and APIs

  RESTful Web APIs and web applications in .NET Framework, C# and SQL Server in an Agile team, with automated unit tests, code reviews and fixes from the critical defect backlog.

  .NET Framework · C# · SQL Server