Andrew Nolan
@andrewnolan
Senior full-stack engineer delivering scalable SaaS and fintech solutions with AI-driven automation.
IrelandWhat I'm looking for
I am a Senior Software Engineer with 9+ years building high-impact SaaS, fintech, and ecommerce platforms. I focus on architecting scalable frontend applications and robust backend systems while leveraging automation and AI to improve outcomes.
At Intercom, I architected a React + TypeScript messaging module, led migrations to .NET Core microservices, and delivered AI-powered features using OpenAI and LangChain, improving performance and reducing manual workload.
I have a strong track record designing microservices, event-driven systems, and real-time dashboards using technologies like Kubernetes, AWS ECS, GraphQL, and WebSockets. I also automated CI/CD and infrastructure with GitHub Actions, Docker, and Terraform to ensure reliability and rapid delivery.
I mentor engineers, optimize databases and caching strategies, and drive cross-functional initiatives that increase velocity, reduce latency, and raise system availability. I seek roles where I can continue to build scalable systems, apply AI responsibly, and lead engineering improvements.
Experience
Work history, roles, and key accomplishments
Architected a React + TypeScript messaging module improving client-side rendering by 30% for 50k+ daily users and led a migration from Node.js to .NET Core microservice that cut API latency by 40%. Built AI-powered conversation summarization, real-time dashboards, GraphQL gateway, and automated CI/CD and infrastructure to achieve 99.99% uptime and faster deployments.
Software Engineer
Qualio
May 2018 - Jun 2020 (2 years 1 month)
Developed SaaS compliance tracking and document lifecycle systems reducing approval cycles by 50% and processed 10k+ documents monthly; migrated a monolith to microservices and increased test coverage from 55% to 90%, cutting production bugs by 40%.
Full Stack Developer
Circit
Jun 2015 - Apr 2018 (2 years 10 months)
Built fintech features handling 1M+ API requests monthly using React and C#, implemented secure JWT-based auth and real-time notifications that reduced task completion time by 30%, and automated financial data aggregation saving 15 person-hours/week.
Education
Degrees, certifications, and relevant coursework
University College Dublin
Bachelor of Science, Computer Science
2011 - 2015
Completed a Bachelor’s Degree in Computer Science, covering software engineering, algorithms, and web development from Sep 2011 to May 2015.
Tech stack
Software and tools used professionally
Availability
Location
IrelandAuthorized to work in
Job categories
Skills
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