Mark Anthony Cachia Simiana · Independent Tech Consultant

Your system
should work.

I help engineering teams integrate agentic AI, scale distributed systems, and build data pipelines that hold up in production. 14 years of hard-won experience across fintech and iGaming.

Book a Free Call What I do →
0+
Years in production systems
0+
Platforms shipped
MSc
Computer Science & AI

What I Do

Senior engineer.
No middlemen

I embed as a senior individual contributor or advisor. You get direct access to 14 years of hard-won experience — not a project manager with a team behind them. I take on a small number of engagements at a time.

01
Agentic AI Systems
If you're wondering how to use AI beyond a chatbot — this is it. Multi-agent workflows, LLM tool-use pipelines, and autonomous task systems integrated with your existing stack.
02
Real-Time Pipelines
When polling isn't cutting it and your data needs to move in milliseconds. I replace brittle architectures with push-based, event-driven systems that hold up under pressure.
03
Distributed Systems
System falling over under load? I diagnose bottlenecks across compute, I/O, and database layers — with a bias toward functional architecture that's easier to reason about.
04
Microservice Architecture
Inherited a tangle of services nobody understands? I define clean boundaries, fix inter-service communication, and modernize legacy systems without stopping the business.
05
Data Engineering
Data in the wrong place, wrong shape, too slowly? I design ingestion and transformation pipelines — including clean, reliable inputs for AI systems that need them.
06
Platform & API Design
Building new or unifying a fragmented API surface? Cloud-native deployment models, API gateways, and auth systems that hold up at scale and across jurisdictions.
Scala Cats Effect http4s Doobie Agentic AI LLM Integration Kafka AWS Spring Boot PostgreSQL CI/CD React Scala Cats Effect http4s Doobie Agentic AI LLM Integration Kafka AWS Spring Boot PostgreSQL CI/CD React
$ sbt "runMain MacsAgent"
[ info ] Agent initialised
[ info ] Tool registry loaded
[ info ] Pipeline: READY
[ success ] Total time: 1s
$

About Mark

Senior engineer.
Independent.

I work independently — which means you get me, not a junior on my behalf. I've been a first engineering hire, a software architect, and the person called in when a system couldn't hold load.

My background is in iGaming and fintech — industries where latency, correctness, and uptime aren't optional. That discipline transfers everywhere.

MSc in Computer Science & AI, University of Malta. Available remotely across EU and global time zones.

ScalaCats Effect http4sDoobie Agentic AILLM Integration KafkaAWS Spring BootPostgreSQL

Track Record

Where I've shipped

Production systems across iGaming, fintech, and platform engineering.

Tipico
Sports Betting
Software Architect
SuprNation
iGaming · Malta
First Eng. Hire → Senior
Betsson Group
iGaming
Software Developer
University of Malta
Academia
MSc CS & AI
Architected and delivered a real-time social betting engine from scratch — enabling players to share, follow, and act on each other's bets live, at scale.
Tipico · Software Architect
Took SuprNation from zero to a live multi-brand casino platform as first engineering hire — architecture, infrastructure, and production hardening.
SuprNation · First Engineering Hire
Eliminated throughput bottlenecks and modernised a legacy platform with a functional architecture — fewer runtime failures, faster delivery, and a codebase the team could actually reason about.
SuprNation · Scalability Phase

Work With Me

Got a hard problem?

I take on a small number of engagements at a time. If you have a system that's struggling, an AI integration you don't know how to approach, or a greenfield build that needs to be done right — let's talk. First call is free, no pitch deck.

Email
hello@macsconsulting.io
Location
Remote · EU & Global
Availability
Taking Q3 engagements
Response
Within one business day
Book a Free Call