Full-stack engineer and cybersecurity specialist with nearly 10 years of IT experience, including 6+ years of deep cybersecurity expertise spanning CERT operations, incident response, malware analysis, application security, and enterprise software development. Lead technical architect at aipol.com.pl designing custom software, AI automation solutions, and security services. Proven expertise in building scalable systems, threat hunting automation, and mentoring development teams on security best practices. Bilingual professional (English / Polish) with strong communication skills in international settings.
Keywords: Incident Response, Malware Analysis, Python, JavaScript, Full-Stack Development, Splunk, Application Security, AI Agents, LLM Integration, Penetration Testing, SIEM, Cloud Architecture, Threat Intelligence, Leadership, SaaS Development
Co-building Polish IT services company as lead technical person. Architecting and delivering custom software solutions, AI automation workflows, and comprehensive security services for enterprise clients.
Developed dashboards and search optimization tools for global storage infrastructure monitoring. Modernized legacy systems using Python full-stack development.
Sole administrator of security policy management platform. Provided security training and guidelines to development teams.
Daily threat analysis and incident triage for global insurance operations. Built automated phishing detection and analysis tooling.
Implemented endpoint protection and data loss prevention solutions. Detected and analyzed advanced threats.
Managed IT infrastructure and built custom ticketing system for 300+ user organization.
Started security career handling incident response and malware analysis. Automated threat intelligence gathering.
Programming: Python, JavaScript, SQL, Java, Bash
Web: React, Node.js, Flask, FastAPI, HTML5, CSS3
Databases: PostgreSQL, MongoDB, Redis, SQLite
SIEM & Monitoring: Splunk, ELK Stack, Prometheus
Security Tools: Metasploit, Burp Suite, OWASP ZAP, Wireshark
Incident Response: Threat hunting, malware analysis, log analysis, YARA rules
LLM Integration: OpenAI APIs, Claude API, prompt engineering
Automation: Workflow orchestration, data pipelines, bot development
Analytics: Data analysis, visualization, predictive modeling
Cloud Platforms: AWS, Google Cloud, Fly.io, Vercel
DevOps: Docker, GitHub Actions, CI/CD pipelines, monitoring
Architecture: Microservices, SaaS design, multi-tenant systems, REST APIs
Expertise: Code review, vulnerability assessment, penetration testing, secure SDLC
Standards: OWASP Top 10, CWE, CVSS, compliance frameworks
Leadership: Technical decision-making, mentoring, cross-team collaboration
Languages: English (fluent), Polish (native)
Solo-built persistent browser-based MMO set in harsh medieval world. Built with vanilla JavaScript, Canvas API for rendering, and WebSocket backend. Hosts 1000+ simultaneous players on Fly.io infrastructure. Features include player-driven economy, card-based combat system, settlement management, and material quality crafting cascades.
Building browser-based cybersecurity learning platform featuring realistic Linux virtual machines, real exploits, and procedural web challenges. Focus on hands-on pentesting training through live vulnerable targets. Currently used by educational institutions.
Co-developing e-commerce platform for online cancer screening tests in partnership with Novazym laboratory. Features include order management, test kit logistics, result delivery, and secure patient portal with automated communication workflows.
Browser-based tool solving synchronized audio playback across two pairs of headphones from one device — no hardware splitters (which cause volume drops), no Bluetooth pairing, no driver hacks. Released as free open-source alternative to paid audio routing software ($30-100). Pure browser solution using Web Audio API. Live demo: caytec.github.io/1audio2headphones
Comprehensive Windows diagnostic and repair toolkit — built as free open-source alternative to predatory "PC cleaner" software (CCleaner Pro, IObit, Restoro) that charge $30-50/year subscriptions for what Windows does for free. Scans hardware health, performance bottlenecks, system integrity, registry, and security. No subscriptions, no upsells, no false alarms inflating issue counts. Repository: github.com/caytec/freesystemdoctor
Self-directed continuous learning path focused on emerging security threats, AI/ML integration, and modern full-stack development practices. Regular participation in cybersecurity conferences, CTF competitions, and open-source community contributions. Maintain expertise through hands-on projects, threat intelligence research, and mentoring junior engineers.
English — Fluent (professional level, technical communication)
Polish — Native