I am a software engineer focused on building reliable backend systems, RESTful APIs, and full-stack web applications.
My work combines backend engineering, database design, authentication, API architecture, and responsive frontend development. I enjoy turning real-world business requirements into maintainable software systems.
- Backend development with Python, Django, and Django REST Framework
- RESTful API design and integration
- Authentication and role-based access control
- Relational database design and data management
- Full-stack application development
- API documentation, testing, containerization, and deployment
- Building practical systems for education, logistics, recruitment, and business operations
Backend
- Python
- Django
- Django REST Framework
- REST APIs
- GraphQL
- JWT Authentication
Frontend
- React
- HTML
- CSS
Databases & Infrastructure
- PostgreSQL
- MySQL
- Docker
- GitHub Actions
API & Development Practices
- Role-Based Access Control
- UUID-based identifiers
- Pagination and filtering
- API throttling
- Swagger / Redoc
- Modular architecture
- Automated testing
- CI/CD
A production-ready education and travel consulting website for PGR Education Consulting Ltd.
Role: Lead Developer
What I built
- Responsive React-based interface
- Component-driven frontend structure
- Responsive layouts for desktop and mobile
- Production deployment
- Clear navigation and service presentation
Tech: React, HTML, CSS
A responsive portfolio platform for a video editor, motion designer, cinematographer, and AI content creator.
Role: Lead Developer
What I built
- Responsive portfolio frontend
- Interactive presentation of creative work
- Django REST Framework backend integration
- Separation of frontend presentation and backend API functionality
- Production deployment
Tech: React, Django REST Framework, HTML, CSS
A logistics management platform designed to support core logistics operations through a structured backend and REST API.
Role: Backend Developer
What I built
- Backend infrastructure
- RESTful APIs
- Business logic
- Data models
- Authentication
- Operational API workflows
Tech: Django REST Framework
A scalable job platform backend for managing users, companies, jobs, applications, and location data.
Role: Backend Developer
Key Engineering Work
- RESTful and GraphQL APIs
- PostgreSQL database architecture
- JWT authentication
- Role-based access control
- UUID-based primary keys
- Pagination and filtering
- API throttling
- Docker containerization
- GitHub Actions CI/CD
- Automated testing
- Domain separation across jobs, applications, companies, users, and locations
Tech: Django REST Framework, GraphQL, PostgreSQL, Docker, JWT, RBAC
A scalable LMS backend for managing students, instructors, courses, enrollments, lessons, videos, and learning sessions.
Role: Backend Developer
Key Engineering Work
- RESTful API development
- JWT authentication
- MySQL data models
- Role-based access control
- Course and enrollment workflows
- Lesson and session management
- Administrative functionality
- Swagger / Redoc API documentation
- CKEditor integration
Tech: Django, Django REST Framework, MySQL, JWT, Swagger / Redoc, CKEditor
I approach software development by breaking complex requirements into smaller, logical components and building systems around clear responsibilities.
I value:
- Maintainable and readable code
- Well-structured APIs
- Data integrity
- Secure authentication and authorization
- Reusable components
- Clear documentation
- Testing and reliable deployments
- Practical solutions to real business problems
I am continuing to deepen my backend engineering skills while expanding into full-stack development, with particular interest in scalable APIs, system architecture, automation, and technology solutions for real-world business and healthcare problems.
- Portfolio: https://olukosi-oluwaseyi.netlify.app
- LinkedIn: https://linkedin.com/in/oluwaseyi-olukosi-539549358/
- GitHub: https://github.com/Sheyzie
Building practical software systems, one problem at a time.