Software
Engineer
I'm Semeton Balogun, a software engineer (backend heavy) with 5 years of experience architecting and scaling mission-critical systems for financial institutions, security platforms, and enterprise applications.
I specialize in designing resilient software architectures, optimizing system performance, and leading technical teams through complex implementations. My expertise spans PHP (Laravel), Node.js, and distributed systems with a focus on security and scalability.
Terminal
Interact with my portfolio through this command line interface.
Leadership & Expertise
My approach combines technical excellence with strategic leadership to deliver robust, scalable solutions.
Technical Leadership
Led cross-functional teams on enterprise deployments for learning management systems. Dockerized applications for easy development and deployment, established version control strategies, and managed deployment pipelines.
System Architecture
Designed scalable architectures for high-traffic applications, including custom MSSQL drivers for Tangerine LMS for multi-bank support and distributed systems for learning management. Architected multi-tenancy cloud-based solutions.
Security Engineering
Conducted comprehensive vulnerability assessments using ZAP for enterprise applications. Handled high-risk vulnerabilities for an ATM monitoring solution, implementing robust security protocols and automated scanning tools.
Performance Optimization
Boosted system performance by 50% through SQL optimization, caching strategies, and infrastructure improvements. Conducted stress testing with JMeter to ensure scalability.
Professional Experience
Key roles where I've delivered significant technical impact and leadership.
Contributing to enterprise HR systems used by major corporations across Africa.
- Architecting scalable API services handling 50k+ employees daily requests
- Implementing AI integration for recruitment module with CV parsing and auto-screening of applicants
- Developing secure data handling protocols for sensitive HR information
Led the re-architecture of Tangerine LMS, deployed across multiple banking institutions in Nigeria.
- Migrated legacy PHP 7.4 codebase to modern PHP 8.1 architecture
- Designed custom Laravel MSSQL driver enabling multi-bank support
- Implemented CI/CD pipelines reducing deployment time by 70%
- Conducted security audits and performance optimization
Tech Stack:
PHP, Laravel, SQL Server, MySQL, JavaScript, Node.js, Memcached, DigitalOcean, IIS, Apache
Architected backend infrastructure for a rubust scholarship matching platform.
- Designed RESTful API architecture with Laravel and MySQL
- Set up version control strategies, pipelines and handled deployments
- Boosted system performance by 50% through SQL optimization
- Reduced production errors by 90% through staging workflows
Contributed to educational platforms and API development in an Agile environment.
- Enhanced the ARM Learn Moodle web application by fixing 12 UAT-listed errors and integrating OAuth 2 for Facebook and Google
- Contributed to development of REST APIs in an Agile Scrum team using PHP and Node.js
- Facilitated training sessions for 5+ interns and community events with 30+ participants
Tech Stack:
Node.js, PHP/Laravel, MySQL, REST APIs, Git/GitHub, CI/CD pipelines
Key Projects
Significant technical achievements that demonstrate my expertise in system architecture and security.
Architected and developed a comprehensive security platform for automated vulnerability scanning and management.
Key Contributions:
- Designed microservice architecture with Node.js and PostgreSQL
- Implemented Docker containerization for consistent deployment
- Built role-based access control system with granular permissions
- Integrated with ZAPROXY for automated security scanning
Led the re-architecture of an enterprise learning platform deployed across multiple banking institutions.
Key Contributions:
- Designed custom database architecture supporting multi-tenant isolation
- Implemented advanced caching strategies reducing load times by 60%
- Built custom MSSQL driver for multi-database support as well as video conferencing and proctoring modules
- Deployed across Windows IIS and Linux Apache environments
Architected a secure visitor management system for gated communities.
Key Contributions:
- Designed secure API architecture for sensitive identification data
- Implemented QR code-based verification system with cryptographic security
- Built real-time monitoring and notification systems
- Developed role-based dashboard for security personnel
Built an intelligent platform to match students with scholarships tailored to their background and academic profile.
Key Contributions:
- Integrated external scholarship APIs and web scraping for real-time data aggregation
- Developed advanced filtering and AI-based recommendation engine
- Implemented user authentication and personalized dashboards
- Deployed scalable Laravel backend with modular structure
Contact
Interested in discussing technical challenges or opportunities? Let's connect.