Software Engineering & Architecture Consulting
Designing and building software — from system architecture to code review and team mentoring. Experience also covers game development.
Łukasz Karnasiewicz Consulting
20+ years of software engineering. Performance, security, and AI for systems you can rely on.
Get in touchAbout
I'm a software engineer with over 20 years of experience building and running complex SaaS systems. Most of my career has centered on the performance and stability of large-scale systems, leading engineering teams, and acting as a Product Owner. Today I focus on pragmatically combining deep technical expertise with modern AI tooling to deliver solutions that actually work in production.
Services
Performance Engineering & Optimization
Large-scale performance testing, bottleneck analysis, and resolving critical performance issues in production environments.
Cybersecurity Consulting
Advisory on application and infrastructure security — from architecture reviews to best-practice recommendations.
IT Advisory, Infrastructure & Cloud Hosting
IT advisory, infrastructure management, and cloud hosting and data-processing services.
AI & Agentic Engineering
Practical adoption of AI agents and tools like Claude and GitHub Copilot in the day-to-day engineering lifecycle to speed up software delivery.