Custom Software
Software built around your workflows, not the other way round.
Reliable, professional software development & dev-ops IT services in Dublin, Ireland, built around your goals.
Based in Dublin, Ireland — Keith delivers custom software you can trust. Keith also does secure penetration testing on servers as a white-hat hacker, ensuring your servers are professionally secured.
Trusted by local businesses and growing teams
Software programming, Dev-ops, Server hardening, Security Audit & Penetration Testing. Here's how Keith helps.
Software built around your workflows, not the other way round.
Scalable, secure infrastructure managed end to end.
Hardening, monitoring, and incident response that keeps you safe.
iOS and Android apps your customers will love.
Dashboards and insight that drive decisions.
Helpdesk, monitoring, and maintenance for peace of mind.

25 years. 23 languages. Linux, security, servers—mastered.Keith Farrell architects systems that don't break. He's spent decades hardening Linux environments, securing infrastructure, and building software that scales under pressure. C, C++, Python, Go, Rust, JavaScript—he owns them all.He combines battle-tested experience with modern tooling. No shortcuts. No cowboy code. Every project delivered on time, on budget, and built to outlast the competition.Bring the problem. He'll bring the code.
Contact usThey delivered our platform ahead of schedule and under budget. Rare.
Our cloud bill dropped 40% after their audit. Security improved too.
They respond to incidents in minutes, not days. Invaluable partner.
Discovery workshops produce a fixed-scope proposal with transparent pricing. Expert coder and server administrator (combining senior software engineering and DevOps/SRE skills) in Dublin ranges from €600-€800 per day, depending on the specific stack and complexity of the project.
Yes — support and maintenance retainers start at 10 hours/month. This is generally about €70–€120/hour) but discounts can be offered.
Security is built in, not bolted on: threat modelling, code review, and regular audits. And we will insist on installing some of our own security software used by millions.
Absolutely. We embed, augment, or take full ownership — your call.
Let's talk about how Keith can help. No pressure, no jargon — just clear answers.
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