Bespoke Software SolutionsThat Deliver Results
I'm Stephen Mahon, a Principal Software Architect with 25+ years delivering award-winning solutions for Irish government and enterprise. I help organisations succeed through proven architecture expertise that transforms operations and drives measurable results.
How I Can Help
I offer comprehensive architecture and technical consulting services through MTechSolutions, tailored for government and enterprise organisations.
Enterprise Architecture
Strategic architecture design and governance for large-scale systems. Build scalable, secure, and maintainable solutions that align with business objectives.
- Solution architecture design
- Technology roadmap development
- Architecture governance
- System integration strategy
Application Modernisation
Transform legacy systems into modern, cloud-ready applications. Reduce technical debt whilst maintaining business continuity and improving operational efficiency.
- Legacy system assessment
- Cloud migration strategy
- Microservices architecture
- Performance optimisation
API Strategy & Design
Build API-first architectures that enable digital transformation. Create robust, scalable APIs that power modern applications and enable seamless integrations.
- API-first strategy development
- RESTful & GraphQL design
- API governance & standards
- Integration architecture
Technical Leadership
Build and mentor high-performing development teams. Establish best practices, improve SDLC processes, and foster a culture of engineering excellence.
- Team building & mentorship
- SDLC process improvement
- DevOps & CI/CD implementation
- Quality assurance standards
Mobile Solutions
Design and deliver enterprise mobile strategies. From native Android development to cross-platform solutions, enable your workforce with modern mobility.
- Mobile architecture design
- Android development
- Mobile backend infrastructure
- Enterprise mobility management
Technology Consulting
Navigate complex technology decisions with confidence. Get expert guidance on technology selection, vendor evaluation, and digital transformation strategy.
- Technology assessment
- Digital transformation strategy
- Vendor evaluation
- Risk assessment & mitigation
Featured Projects
Selected award-winning solutions that demonstrate the breadth and impact of my work transforming Irish government operations
Court Services Integration
An Garda Síochána & Courts Service
Challenge
Manual, error-prone data transfer between organisations causing delays and inefficiencies
Solution
Led development of automated integration solution ensuring seamless, timely data exchange between critical justice systems
Results
- 17+ years of continuous operation with zero major incidents
- Award-winning solution recognised for innovation and reliability
- Eliminated manual data transfer processes
- Improved data accuracy and timeliness
- Model for long-term sustainable architecture
eVetting Modernization
An Garda Síochána
Challenge
Paper-based vetting process taking 13+ weeks, creating bottlenecks in providing national disclosures to citizens
Solution
Led architecture for complete digital transformation, designing a scalable electronic vetting platform with automated workflows and integration capabilities
Results
- Processing time reduced from 13+ weeks to under 5 days for 90%+ of applicants
- Award-winning solution recognised for innovation and impact
- Dramatically improved operational efficiency and citizen service delivery
Enterprise Mobility Infrastructure
An Garda Síochána
Challenge
No mobile capability for field operations, requiring manual processes and delayed information access
Solution
Principal Architect for groundbreaking mobility initiative. Designed backend architecture, built and mentored teams of Android developers, UX designers, and support specialists
Results
- First-ever mobile devices deployed across the organisation
- Robust and scalable mobility infrastructure still in use today
- Enabled real-time access to critical information for the frontline
- Set foundation for ongoing digital transformation
API-First Digital Foundation
An Garda Síochána
Challenge
Siloed systems, limited integration capabilities, inability to support modern digital services
Solution
Championed and implemented API-first strategy. Established dedicated API team, defined standards and governance, built organisation-wide API infrastructure
Results
- APIs now serve as backbone of digital infrastructure
- Enabled rapid development of new services and integrations
- Positioned organisation for future technology evolution
- Created reusable, interoperable architecture
MIBI Uninsured Drivers Integration
An Garda Síochána & Motor Insurance Bureau of Ireland
Challenge
No automated access to uninsured vehicle information, requiring manual checks and creating delays during traffic enforcement operations
Solution
Designed and implemented integration with MIBI to receive daily feeds of all uninsured drivers in Ireland. Built API layer to expose this data to mobile applications, enabling real-time lookups by frontline officers
Results
- Real-time access to uninsured vehicle database for frontline officers
- Daily automated feed processing ensuring up-to-date information
- Seamless integration with Vehicle and Driver mobile applications
- Improved road safety enforcement capabilities
- Model for inter-agency data sharing and API integration
Open Source Security & Governance
An Garda Síochána
Challenge
Uncontrolled use of open source packages risking introduction of security vulnerabilities and malicious code into critical systems
Solution
Introduced Nexus Lifecycle for comprehensive open source governance. Implemented automated scanning of all projects for vulnerabilities. Deployed Nexus Firewall to proxy external package repositories, automatically quarantining known malicious packages before they enter the organisation
Results
- Proactive prevention of vulnerabilities at source through repository firewall
- Automated scanning ensuring no vulnerable packages in production
- Eliminated risk of malicious package infiltration
- Organisation-wide visibility of open source security posture
- Established security-first culture for dependency management
DevOps & Platform Modernization
An Garda Síochána
Challenge
Manual deployment processes, inconsistent environments, lack of automation across diverse infrastructure including VMs, containers, and mobile platforms
Solution
Introduced Red Hat OpenShift as container-based platform. Deployed Azure DevOps on-premise with comprehensive visibility across all environments. Established automated CI/CD pipelines for deployments to OpenShift, VMs, and Google's Enterprise Play Store
Results
- Automated deployment pipelines ensuring consistency across all platforms
- Introduced modern container orchestration with Red Hat OpenShift
- Unified DevOps platform with visibility across entire infrastructure
- Reduced deployment time and errors through automation
- Enabled rapid, reliable releases across diverse technology stack
About Me
I'm a Principal Software Architect with 25+ years experience, with the last 18+ years at An Garda Síochána, where I've delivered transformative technology solutions for Ireland's national police service and justice sector.
My journey from Senior Developer to Principal Architect has been marked by award-winning projects that have fundamentally improved how government serves citizens - from reducing vetting times by 95% to building Ireland's first law enforcement mobility infrastructure.
I specialise in turning complex technical challenges into elegant, sustainable solutions. Whether it's modernizing legacy systems, establishing API-first architectures, or building high-performing development teams, I bring proven expertise in delivering results that last decades, not just months.
I'm now available for consulting engagements through MTechSolutions - bringing this depth of experience to help your organisation succeed.
My Expertise
Key Achievements
Certifications
Currently pursuing Red Hat certifications to deepen expertise in enterprise Linux systems and cloud infrastructure.
Let's Work Together
Looking for an experienced architect to guide your next initiative? I'm available for consulting engagements through MTechSolutions. Let's discuss how I can help.
Ideal Projects
- Enterprise architecture for government or large organisations
- Legacy system modernisation and cloud migration
- API strategy and digital transformation initiatives
- Mobile solution architecture and implementation
- Technical leadership and team building
- Short-term architecture consulting engagements
Working through MTechSolutions, I'm available for short-term consulting engagements, architecture reviews, technical advisory, and strategic planning initiatives. Based in Ireland with flexibility for remote work.