I'm Polycarp Okock.-hero-background

I'm Polycarp Okock.

I'm a Research Engineer & Cybersecurity Specialist, currently working on cutting-edge cybersecurity research and development, building secure applications and zero-trust authentication systems.

My expertise spans web security research, AI/ML applications, and remote browser isolation technologies. When I'm not securing the digital world, you can find me learning, building and deploying Cloud-based solutions, or spending time with my beautiful family.

Professional profile

About Me

I have worked as a developer for the last 8+ years as a backend/frontend/full-stack developer across various domains. Currently working as a Research Engineer focusing on cybersecurity research and development, building secure applications protected from cyber attacks. My expertise spans from web security research, AI/ML applications, to implementing zero-trust security protocols and remote browser isolation technologies.

Location

Bratislava, Slovakia

Age

30+

Nationality

Kenyan

EU Residence

Blue Card Holder - Permanent EU Residence

Interests

Rollerskates, Hiking, RPG

Ph.D.

Slovak University of Technology

Professional Summary

Executive summary of qualifications. Complete details available in downloadable resume.

Education

Ph.D. Applied Mathematics

Slovak University of Technology
August 2021

Research: Efficient Software Solutions for Medical Processing and Analysis

Medical ImagingAlgorithmsResearch

Master in Mathematical Sciences

African Institute for Mathematical Sciences (AIMS)
August 2015

Distinction - Quantum mechanics research

MathematicsPhysicsMatrix Methods

BSc. Applied Statistics with IT

Maseno University
August 2014

First Class Honors

StatisticsData AnalysisIT Systems

Certified Public Accountant (K)

KASNEB
December 2012

Professional accounting certification

FinanceAuditingBusiness Law

Key Experience

Consulting Director

Otigo Research and Technology Hub (ORTh), Nairobi Kenya
November 2024 - Present

Leading strategic consulting and product management for healthcare technology solutions, including CarePro platform development and client relationship management.

Healthcare TechStrategic ConsultingProduct Management

Research Engineer

Excalibur s.r.o, Bratislava, Slovakia
July 2024 - Present

Cybersecurity research focusing on secure application development, AI-powered security solutions, and zero-trust architecture implementation.

CybersecurityAI/MLZero-TrustWeb Security

IT Consultant - Lead Frontend Developer

Mantro s.r.o, Trnava, Slovakia
February 2023 - December 2023

Led modern web application development using React 18, TypeScript, and cutting-edge frontend technologies with full-stack capabilities.

React 18TypeScriptAngular 15Docker/K8sCypress

Research and Development - Medical Imaging

TatraMed Software s.r.o, Bratislava, Slovakia
November 2017 - January 2023

Research and development of advanced medical imaging solutions, including 3D image segmentation algorithms and machine learning applications for healthcare.

Medical ImagingMachine Learning3D AlgorithmsHealthcare

+ 3 more positions - see full resume

Technical Skills

Frontend development

ReactExpert
90%
TypescriptIntermediate
70%
JavaScriptAdvanced
80%
CSS/TailWindCSSIntermediate
60%

Backend development

Node.jsBeginner
40%
PythonIntermediate
70%
C#Intermediate
60%
C++Intermediate
70%

AI & Machine Learning

Generative AIIntermediate
70%
Machine LearningIntermediate
60%
AI ResearchIntermediate
70%
Data AnalysisAdvanced
80%

User Tests

CypressIntermediate
70%
JestIntermediate
70%
SpecIntermediate
50%

UX development

FigmaBeginner
40%
SketchBeginner
40%
Adobe XDBeginner
40%

JavaScript Frameworks

RemixExpert
90%
SvelteBeginner
40%
NextJsBeginner
30%
AngularIntermediate
60%

Database Management

PostgreSqlIntermediate
60%
MySQLBeginner
40%
SQLiteBeginner
40%

DevOps & Security

GitExpert
90%
CybersecurityAdvanced
80%
Zero-Trust ArchitectureIntermediate
70%
Web SecurityAdvanced
80%
DockerIntermediate
70%
BashBeginner
40%
NginxBeginner
30%

Operating System

Microsoft WindowsAdvanced
80%
MacOsIntermediate
60%
LinuxIntermediate
70%

Spoken languages

EnglishExpert
100%
KiswahiliExpert
100%
DholuoExpert
100%
SlovakBeginner
20%

Mobile development

Java (Android)Beginner
40%

Professional Skills

Professional & Leadership Skills

Team LeadershipExpert
90%
Project ManagementExpert
90%
Strategic PlanningAdvanced
80%
Cross-functional CollaborationExpert
90%
Technical MentoringAdvanced
80%
Client Relationship ManagementAdvanced
80%
Research & DevelopmentExpert
90%
Problem SolvingExpert
90%

Communication & Interpersonal

Technical CommunicationExpert
90%
Public SpeakingAdvanced
80%
Cross-cultural CommunicationExpert
90%
Stakeholder ManagementAdvanced
80%
Training & PresentationAdvanced
80%
DocumentationExpert
90%
Conflict ResolutionIntermediate
70%
Team BuildingAdvanced
80%

Business & Analytical

Business DevelopmentAdvanced
80%
Product StrategyAdvanced
80%
Risk AssessmentAdvanced
80%
Data-driven Decision MakingExpert
90%
Process OptimizationAdvanced
80%
Quality AssuranceExpert
90%
Innovation ManagementAdvanced
80%
Agile MethodologiesAdvanced
80%

Publications

Atlas-based 3D medical image segmentation algorithm

Thesis Article

2021

Improvement and handling of segmentation model with an inflation term

Tatra Mountains Mathematical Publications

2021

Efficient 3D shape registration by using distance maps and stochastic gradient descent method

Tatra Mountains Mathematical Publications 75 (1), 81-102

2020

+ 2 more publications

Conferences

Advances in Architectural, Civil and Environmental Engineering 2021 (AACEE 2021)

Bratislava

August 2021

Algoritmy 2020

Podbanske, Slovakia

October 2020

European Research Night 2019

Heidelberg, Germany

July 2019

+ 2 more conferences

Awards

Distinction – Structured Masters in Mathematical Sciences

African Institute for Mathematical Sciences

August 2015

First Class Honors – Bachelor of Science (Applied Statistics, with IT)

Maseno University

August 2014

Record of Achievement: Enterprise Deep Learning With TensorFlow

openSAP - SAP's Educational Platform

December 2017

Featured Projects

Explore my open-source projects with detailed technology stacks and comprehensive descriptions

CarePro: Healthcare Home Care Management Platform

Modern SPA for managing home care services across Kenya. Built with Next.js 14 frontend featuring real-time job management, secure user authentication with NextAuth 5, integrated payment processing with Stripe, SMS communications with SendGrid, and comprehensive dashboard for care coordinators. Part of larger microservices ecosystem serving healthcare providers and families.

Next.js 14React 18TypeScriptPrisma ORMPostgreSQLNextAuth 5

Verification Service: Document Verification Microservice

Enterprise-grade Node.js microservice for verifying Kenyan government documents (National IDs, Passports, KRA certificates, etc). Features asynchronous job processing with Redis/BullMQ, real OCR integration with Google Cloud Vision API, automated field extraction with AI, webhook notifications for verification results, and comprehensive RESTful API. Built with Fastify for high performance and scalability.

FastifyNode.jsTypeScriptRedisBullMQGoogle Cloud Vision

DeepFace Service: Biometric Face Recognition

Self-hosted Python microservice for face recognition and biometric verification using DeepFace. Provides REST API for face matching, selfie verification, and identity confirmation with GPU/CPU flexibility. Integrated with verification service for document-to-selfie matching during identity verification workflows. Built with FastAPI and optimized for production deployment with comprehensive logging and error handling.

PythonFastAPIDeepFaceTensorFlowKerasComputer Vision

R-Instat: Open-Source Statistical Software

Comprehensive menu-driven statistics software powered by R, designed for ease of use by researchers and statisticians across Africa. Engineered complete VB.NET desktop application with advanced R.NET interoperability, specialized dialogs for agricultural and climate data analysis, SQLite data persistence, multi-language support (English/Swahili), professional CI/CD infrastructure, and Windows installer automation.

VB.NETWindows FormsR.NETStatisticsSQLiteCefSharp

Multi-City Weather Bot

Automated Twitter bot posting hourly weather updates for multiple cities (Bratislava, Nairobi, Kisumu). Features multi-city support with staggered updates, weather alerts, forecast predictions, and containerized deployment. Built with OpenWeatherMap API integration, Twitter API v2, and automated CI/CD pipeline.

PythonDockerTwitter APIOpenWeatherMap APIGitHub ActionsCaprover

Kavino Wine & Coffee Bar Website

Modern, responsive business website for a premium wine bar and coffee shop in Trnava, Slovakia. Features mobile-first design, smooth animations, interactive elements with sticky navigation, and integrated contact forms. Built with custom PHP backend, MySQL database, and modern frontend technologies.

PHPMySQLHTML5SCSSJavaScriptTailwind CSS

AI Browser Automation Agent & Analyzer

Sophisticated web automation platform powered by Azure OpenAI API for intelligent browser control and analysis. Features natural language task execution, session recording with rrweb, performance analysis, and React TypeScript dashboard. Built with Playwright for reliable browser automation and Express.js backend.

TypeScriptReactExpress.jsPlaywrightAzure OpenAIrrweb

Synthetic Data Agent - Kedro Project

Advanced Kedro pipeline architecture for AI-driven synthetic data generation through intelligent web interactions. Combines LLM decision-making with FastAPI web dashboard, session recording, and both automated and script-based modes. Built with Python data science stack and modern web technologies.

PythonKedroFastAPILLMPandasPlaywright

Kenya Radio Stations Mobile App

Native Android application for streaming Kenyan radio stations with seamless Google Cast integration. Features background playback, ExoPlayer media engine, Material Design 3 UI, and intelligent web scraping for station data. Built with modern Kotlin architecture and follows Android best practices.

KotlinAndroidExoPlayerGoogle CastJsoupMaterial Design

What People Say

Hear from clients and colleagues about their experiences working with me

I had the chance to work with Poly in our AI research team at Excalibur s.r.o. He was one of the two developers on the team and also led the dev side. Poly is highly skilled in TypeScript and has hands-on experience with AI agents, Playwright, browser automation, and rrweb recording. He played a key role in turning our research ideas into production-ready solutions quickly and effectively. I especially valued his positive and constructive feedback, which kept the team motivated and made collaboration easier.
HL
Huy Hung LE
I had the privilege of working with Polycarp, and I was consistently impressed by his skills as a Software Engineer & Cybersecurity Specialist. He builds secure, scalable, and user-friendly applications with great attention to detail. Beyond his technical expertise, he is a creative problem-solver and a dependable teammate, making him a true asset to any engineering team.
FO
Fanuel Otieno
Polycarp finds original ways to solve tough problems, pushing himself to think differently. He readily shares his ideas, always glad to support others in their challenges.
MB
Matúš Behun
Very honest and reliable. Polycarp consistently demonstrates integrity and dependability in all professional interactions.
DG
Dominique Gangla

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Are you looking for a cybersecurity expert or full-stack developer for your application? Someone with expertise in zero-trust architectures, AI/ML applications, and secure software development? Someone who can manage projects from research to production? Then you are in the right place. Get in Touch 📧.

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