Brian Mokua Oyaro - Portfolio

About Me

Agile Software Engineer and Cybersecurity Analyst with 2+ years of experience designing, developing, and deploying scalable, secure software solutions. Possesses strong expertise in Python, JavaScript, React, and cybersecurity analysis with a drive for building secure, scalable, innovative, and user-friendly applications. Currently working as a Software Engineer at Bluewaves Plumbers, where I've increased company reach by 20% through innovative web applications while maintaining robust security standards.

Professional Experience

Software Engineer - Bluewaves Plumbers

August 2025 - Present

Designed and implemented a web application using JavaScript and React, which increased the company's reach by 20%
Developed and maintained critical features for the company's core product, resulting in a 15% increase in user engagement
Implemented security best practices and secure coding standards, ensuring zero security incidents in production
Optimized application performance, achieving 40% faster load times and improved user experience
Implemented responsive design principles, increasing mobile user retention by 25%

Software Developer Trainee - Xcelsz

March 2025 - May 2025

Refactored legacy codebase, reducing technical debt by 30% and improving maintainability
Diagnosed and resolved critical bugs, leading to a 15% increase in system stability and smoother user experience
Implemented automated testing, reducing bug reports by 50%

Software Engineer Intern - Digital Empowerment Network Pakistan

August 2024 - September 2024

Designed and optimized Node.js APIs in a microservices architecture, cutting API response times by 25%
Containerized microservices with Docker and deployed on Kubernetes, achieving faster scaling and simplified deployment workflows
Improved system reliability by 99.9% uptime through robust error handling and monitoring

Skills & Competencies

Programming & Scripting

Python
JavaScript
C
HTML
CSS

Frameworks & Libraries

Flask
Django
Express.js
React
Tailwind CSS

Databases

MySQL
Redis
MongoDB
SQLite

Cybersecurity & Analysis

SOC Analysis
Threat Detection & Response
Network Security
Penetration Testing
OSINT & Reconnaissance
Security Tools (Wazuh, Splunk, Nessus)

Additional Skills

REST API Development
Microservices Architecture
Docker & Kubernetes
Adaptability & Continuous Learning
Leadership & Mentoring
Problem-solving & Analytics

Education & Certifications

BSc. Mathematics and Computer Science

Kenyatta University

August 2019 - December 2023

View Certificate

Software Engineering

ALX

June 2023 - July 2024

View Certificate

Cybersecurity Analysis

Cybershujaa

January 2024 - May 2024

AI Engineering

PLP Africa

July 2025 - Present

KCSE

Katelembo Boys' Secondary School

January 2015 - November 2018

Download My CV

Featured Projects

Bluewaves Plumbers Web Application

Modern, secure web application for plumbing services built with React and JavaScript, implementing security best practices

📈 20% increase in company reach ⚡ 40% faster load times 📱 25% mobile retention boost 🔒 Zero security incidents

React JavaScript CSS3 Security

Visit Live Site

E-Vote System

Secure online voting system with advanced authentication, encryption, and real-time results monitoring

🔒 Advanced Authentication 🛡️ End-to-end Encryption ⚡ Real-time Results 🔍 Audit Trail

Flask Redis MongoDB Cryptography

View Project

Security-Focused API Infrastructure

Microservices architecture with implemented security monitoring, threat detection, and automated incident response

🔍 25% faster threat detection 🛡️ 99.9% uptime security monitoring ⚡ Automated incident response 📊 Real-time security analytics

Node.js Docker Kubernetes Security Monitoring

Property Connect

Full-stack real estate platform with secure authentication and data protection protocols

🏠 Real Estate Platform 🔧 Full-stack Solution 🔒 Secure Data Handling

Express.js React MongoDB JWT Auth

View Project

Maji App

Water vendor-client platform with secure deployment, monitoring, and incident response capabilities

🌊 Water Service Platform 🚀 Secure Production Deployment 📊 Security Monitoring

Python Nginx Supervisor Security

View Project

Cybersecurity Expertise

🛡️ SOC Analysis & Threat Detection

Experienced in Security Operations Center analysis, threat hunting, and incident response. Skilled in identifying and mitigating security threats in real-time environments.

🔍 Penetration Testing & Vulnerability Assessment

Conducting comprehensive security assessments, identifying vulnerabilities, and implementing remediation strategies to strengthen system defenses.

🌐 Network Security & Incident Response

Monitoring network traffic, implementing security protocols, and developing incident response procedures to maintain robust digital infrastructure.

⚙️ Security Tools & Technologies

Proficient with Wazuh, Splunk, OSSEC, Nessus, Snort, Wireshark, Autopsy, Volatility, and various OSINT tools for comprehensive security analysis.

About Me

Professional Experience

Software Engineer - Bluewaves Plumbers

Software Developer Trainee - Xcelsz

Software Engineer Intern - Digital Empowerment Network Pakistan

Skills & Competencies

Programming & Scripting

Frameworks & Libraries

Databases

Cybersecurity & Analysis

Additional Skills

Education & Certifications

BSc. Mathematics and Computer Science

Software Engineering

Cybersecurity Analysis

AI Engineering

KCSE

Featured Projects

Bluewaves Plumbers Web Application

E-Vote System

Security-Focused API Infrastructure

Property Connect

Maji App

Cybersecurity Expertise

🛡️ SOC Analysis & Threat Detection

🔍 Penetration Testing & Vulnerability Assessment

🌐 Network Security & Incident Response

⚙️ Security Tools & Technologies

Contact Me