Michael J.
Technology Consultant
Leading high-performing engineering teams to build scalable, user-centric products. Specialized in modern web architecture, UI/UX excellence, AI integration, and secure payment systems.
About
I’m a seasoned Head of Engineering with over a decade of experience building high-performing engineering teams and delivering large-scale, user-centric software solutions. At Ding, I lead 30+ engineers across web, mobile, and backend, driving initiatives in cloud architecture, DevOps, security, and modern UI/UX-focused development. Alongside my leadership role, I offer freelance technology consultancy for startups and established companies—providing full-stack development, AI integration, security audits, and strategic technical guidance. My passion lies in combining technical excellence with thoughtful design to help teams build reliable, scalable products that users love.
Services
Freelance engineering services for startups and established companies
Full Stack Development
End-to-end software development using React, Node.js, .NET, MongoDB, and modern technologies. Building scalable applications with clean architecture and best practices.
AI Consultancy
Leverage AI tools and technologies to enhance your development workflow. Experience with GitHub Copilot, AI-powered development, and implementing AI solutions.
Security Audit
Comprehensive security assessments following OWASP best practices. PCI compliance expertise, WAF configuration, and cloud security architecture reviews.
Tech Stack
Technologies and tools I work with regularly
React
Frontend
React Native
Mobile
Expo
Mobile
Node.js
Backend
.NET
Backend
MongoDB
Database
GitHub Copilot
AI Tools
Cloudflare
Infrastructure
AWS
Cloud
TypeScript
Language
Next.js
Framework
Express
Backend
Expertise
A comprehensive skill set built over a decade of hands-on engineering and leadership experience.
Experience
10+ years of progressive growth from junior developer to engineering leadership at a fast-paced fintech company.
Head of Engineering
Leading a team of 30+ engineers across web, mobile, and backend. Driving technical strategy, cloud migrations, containerization, and modern CI/CD practices. Close collaboration with CTO on engineering strategy and stakeholder management.
- •Led migration of WAF for 75 applications to Cloudflare with zero downtime
- •Led company migration to cloud-first architecture
- •Redeveloped department structure providing a platform for continued development and growth for engineers
- •Maintained PCI v4 compliance and implemented OWASP security best practices
- •Led company to a period of 6 months with 0% downtime
- •Led migration to Bitbucket Pipelines and Gatsby Cloud
- •Spearheaded cloud-first initiative with Azure and containerization
- •Established best practices for security, monitoring, and data
- •Developed hiring, onboarding, and mentoring programs
Engineering Team Lead
Coordinated web developers across 3 teams. Led complete rewrite from .NET to React/Redux/Contentful. Developed deep passion for UX and worked closely with design and product teams.
- •Reduced page load time from 8.5s to <2s avg through optimization
- •Mentored junior developers in best practices and career growth
- •Led complete site rewrite to React/Redux architecture
- •Spearheaded Ding Snapchat Mini project
- •Integrated third-party solutions (Facebook/Google login, Trustpilot, OneSignal)
- •Implemented comprehensive testing strategy (auto/system/unit tests)
Freelance Mobile Developer
Built cross-platform mobile applications using React Native with Node.js backends and MongoDB databases. Delivered complete solutions from architecture to deployment for various clients.
- •Developed full-stack mobile apps with React Native and Expo
- •Built RESTful APIs using Node.js and Express
- •Designed and implemented MongoDB schemas for scalable data storage
- •Integrated third-party APIs including Stripe payments and authentication services
Senior Engineer
Focused on technical delivery and architecture decisions for web platform.
Mid Level Web Developer
Core development work on web platform with focus on performance and SEO.
Junior Web Developer
Started career building foundational skills in web development.
Education & Certifications
Higher Diploma in Computer Science
Dublin Business School • GPA 3.85 • 2019-2020
Bachelor's Degree in Computer Science
I.T.B Blanchardstown • GPA 3.9 • 2013-2015
Team Kanban Practitioner
Lean Kanban University • 2017
CCNA Certificate
Cisco • Data Networking • 2011-2013
Let's Work Together
I'm available for freelance consulting and contract work. Whether you need help with technical leadership, architecture design, UI/UX excellence, or team building, I'd love to hear from you.
• Full-time & Contract roles
• Technical consulting
• Architecture reviews
• Team coaching & mentorship
• Speaking engagements