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ID: SanderZeb
Aleksander Zębrowski
Psychologist•IT Consultant•Programmer•PhD Candidate
Bridging the gap between human cognition, data science, and secure software engineering. I research visual perception analyzing EEG data from 500+ participants, design secure digital solutions as CTO at SecurHub, and lead interdisciplinary teams delivering innovative IT projects. My unique combination of Psychology, Neuroscience, and Full-Stack Development expertise enables me to create solutions that are both technically advanced and user-oriented.
Interdisciplinary Knowledge
Clinical Psychology and Neuropsychology
I specialize in clinical neuropsychology and cognitive psychology, leveraging this knowledge to design intuitive user interfaces and UX solutions. Experience in diagnosing cognitive disorders, conducting neuropsychological tests, and analyzing individual differences enables me to better understand user needs. Knowledge of DSM-5, ICD-11, and therapeutic methods gives me a unique perspective in creating human-oriented technology.
Data Science & ML
I analyze data from scalable business analytics to complex neurophysiological signals. I apply ML algorithms (k-NN, SVM, Random Forest, Deep Learning) and specialized tools like TensorFlow and PyTorch. Expertise in EEG biosignal analysis and advanced time-frequency decomposition techniques enables me to uncover patterns in data that others might miss.
IT Security & Infrastructure
I design and implement secure solutions for web applications and IT infrastructure. Knowledge of security standards, penetration testing practices, and secure coding enables me to build systems resistant to modern cybersecurity threats. I regularly share knowledge through SecurHub blog publications.
Full-Stack Development
I build modern, responsive web applications with a focus on excellent user experience. I use cutting-edge technologies (React, Next.js, Node.js, TypeScript, Python Django) and microservices architectures with containerization (Docker, Kubernetes). I design efficient API integrations and optimize databases (PostgreSQL, MongoDB), automating deployment processes through CI/CD.
Scientific Research Methodology
I design, program, and conduct advanced psychological experiments, including studies using EEG. I apply rigorous scientific methods to statistical analysis, create data visualizations that uncover hidden patterns, and publish results in renowned peer-reviewed scientific journals, contributing to the advancement of cognitive neuroscience.
Project Leadership & Strategy
I manage IT projects using Agile/Scrum methodologies, applying DevOps best practices for faster and more reliable deployment. I lead interdisciplinary teams of 3-5 people, effectively managing risk and ensuring timely project completion. I create tailored IT solutions for the academic and NGO sectors that genuinely impact their effectiveness.
Programming Languages
MATLAB
Data analysis and scientific computing
Python
Data analysis, ML, automation
TypeScript
Frontend development
R
Statistical data analysis
React
Modern user interfaces
Node.js
Server-side JavaScript
PostgreSQL
Relational databases
Docker
Application containerization
Git
Version control
Data analysis
Data Visualization
Creating advanced visualizations in R (ggplot2), Python (matplotlib, seaborn, plotly) and Tableau
Regression Analysis
Linear, nonlinear, logistic, multilevel (HLM) models, survival analysis
Inferential Statistics
Hypothesis testing, ANOVA, non-parametric tests, statistical power analysis
Bayesian Statistics
Bayesian modeling, MCMC, Stan, PyMC3, a priori and a posteriori analysis
Data Modeling
Time series analysis, SEM, factor analysis, clustering, PCA
Machine Learning Algorithms
SVM, Random Forest, neural networks, regression models, hyperparameter optimization
Featured Projects
API Tester
Modern API testing tool with an intuitive graphical interface that accelerates the debugging process and verification of integrations between services.
View Project
Earthquake Monitor
Real-time seismic activity monitoring system with data visualization and alerts, allowing you to track changes around the world.
View Project
Physics.lab
Interactive physics laboratory with realistic experiment simulations that facilitate understanding of complex physical phenomena.
View Project
Investment Portfolio
Advanced interface for managing an investment portfolio with performance visualizations and real-time analytics.
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Solar System Simulation
Immersive 3D solar system simulation with realistic orbital physics, allowing you to explore space in an interactive way.
View Project
DevFlow
Comprehensive platform for managing developer teams' work, optimizing collaboration and increasing productivity.
View ProjectProfessional Experience
Chief Technology Officer
SecurHub
2023 - ...
Leading technological development at SecurHub, a leading cybersecurity company. I design and implement modern security solutions, protecting organizations from contemporary threats. I share knowledge through regular blog posts covering latest trends, security best practices, and innovative approaches to cyber protection. My articles combine deep technical expertise with a practical perspective on real-world digital security challenges.
Freelance / Consultant
Freelance
2023 - ...
I execute independent IT consulting and software development projects for clients across various industries. I design and implement intelligent Machine Learning solutions that transform raw data into valuable business insights, helping companies make informed strategic decisions.
Academic Lecturer
University Vizja in Warsaw
2025 - ...
I teach courses in neurophysiology, neuropsychology, and neuroimaging methods, including practical workshops on EEG signal analysis. I combine the latest scientific knowledge with practical analytical skills, equipping students with tools essential for research and clinical work in neuroscience.
PhD Candidate / Research Assistant
Jagiellonian University
2020 - ...
I conduct research on visual perception and consciousness, analyzing EEG data from over 500 participants. I apply advanced statistical methods to predict subjective and objective aspects of visual perception. I am a co-author of scientific publications in cognitive neuroscience and a participant in international scientific conferences.
Project Manager & IT Developer
Partium Marketing
2018 - 2022
Managed end-to-end web project lifecycles, spanning IT strategy formulation to advanced security system implementation. Led cross-functional teams of 3-5 developers and designers, delivering tailored IT solutions that transformed the way corporate and NGO clients operate.
Academic Journey
PhD Studies in Psychology
Jagiellonian University & Nencki Institute of Experimental Biology
2020 - ...
Specialization: visual perception, perceptual consciousness, EEG signal analysis.
M.A. in Psychology (specialization in Neuropsychology)
The Maria Grzegorzewska University
2015-2020
IT Technician
Mechatronics Technical School No. 1 in Warsaw
2011-2015
Scientific Publications
Spontaneous changes in the pre-stimulus alpha power predict both objective and subjective aspects of perception
Zębrowski, A., Paczos, K., Koculak, M., Ciupińska, K., Orłowska, W., Łępa, L., Wierzchoń, M., Bola, M.
Under review, 2024
A large-scale investigation of the resting-state alpha-band activity in relation to inter-individual differences in visual perception
Zębrowski, A., Paczos, K., Koculak, M., Ciupińska, K., Orłowska, W., Łępa, L., Wierzchoń, M., Bola, M.
Under review; PsyArXiv Preprint, 2024
Aktywność fizyczna a funkcjonowanie poznawcze osób w średniej i późnej dorosłości
Gawron, N., Zębrowski, A., & Hintze, B.
Przegląd Psychologiczny, 2024
The influence of spatial and temporal attention on visual awareness - a behavioral and ERP study
Ciupińska, K., Orłowska, W., Zębrowski, A., Łępa, L., Koculak, M., Bola, M., & Wierzchoń, M.
Under review, 2024