Olaoluwa Raji
Lagos, Nigeria
Olaoluwa Raji
Fullstack software developer
Category : Web development
I am a Senior Full-Stack Developer with 8+ years of experience delivering end-to-end digital products for global clients. My expertise lies in architecting high-performance applications using Node.js, Python, and React, with a heavy focus on cloud scalability and AI integration.
Throughout my career, I have helped startups and established brands optimize their technical infrastructure—reducing API response times by 40% and maintaining 99.9% uptime through robust DevOps practices. Whether you need a pixel-perfect Next.js frontend, a complex microservices backend, or an automated workflow integrated with OpenAI, I build with a 'performance-first' mindset.
I pride myself on clear communication, technical transparency, and delivering clean, maintainable code that grows with your business.
Throughout my career, I have helped startups and established brands optimize their technical infrastructure—reducing API response times by 40% and maintaining 99.9% uptime through robust DevOps practices. Whether you need a pixel-perfect Next.js frontend, a complex microservices backend, or an automated workflow integrated with OpenAI, I build with a 'performance-first' mindset.
I pride myself on clear communication, technical transparency, and delivering clean, maintainable code that grows with your business.
Portfolio
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
Designed a transport management backend using Node.js/TypeScript and a real-time ReactJS dashboard for urban mobility tracking.
Integrated OpenAI APIs to automate route simulations and demand prediction, significantly increasing planning efficiency.
Streamlined deployment using Docker and N8N automations, ensuring 99.9% uptime for community-based transport coordination.
Integrated OpenAI APIs to automate route simulations and demand prediction, significantly increasing planning efficiency.
Streamlined deployment using Docker and N8N automations, ensuring 99.9% uptime for community-based transport coordination.
Developed a high-engagement social platform using React JS and a Django (Python) backend.
Engineered a WebSocket-based real-time chat system and custom feed algorithms to improve user retention.
Scaled infrastructure on AWS (EC2, S3) using Nginx and Docker to handle concurrent user spikes.
Engineered a WebSocket-based real-time chat system and custom feed algorithms to improve user retention.
Scaled infrastructure on AWS (EC2, S3) using Nginx and Docker to handle concurrent user spikes.
Built a high-performance Node.js/MongoDB backend and Serverless (AWS Lambda) APIs for real-time data sync.
Optimized API response times by 40% through backend refactoring and microservices implementation.
Increased production stability by 70% by implementing automated CI/CD and achieving 90% Jest test coverage.
Optimized API response times by 40% through backend refactoring and microservices implementation.
Increased production stability by 70% by implementing automated CI/CD and achieving 90% Jest test coverage.
Developed and maintained Vibemap’s core platform, integrating a React + Gatsby frontend and a headless WordPress CMS.
Used GraphQL to fetch structured content from WordPress and render via React Hooks, Styled Components, and Gatsby static pages.
Collaborated with the design team to convert Figma UI/UX designs into responsive, animation-rich interfaces.
Used GraphQL to fetch structured content from WordPress and render via React Hooks, Styled Components, and Gatsby static pages.
Collaborated with the design team to convert Figma UI/UX designs into responsive, animation-rich interfaces.
Full-Stack Solutions Delivery: Engineered end-to-end web applications for UK/US clients, architecting scalable systems using React, TypeScript, Node.js, and Java Spring Boot.
Microservices & API Design: Developed high-performance RESTful APIs and microservice architectures, integrating secure payment gateways (Stripe) and automation tools (Mailchimp) to streamline business operations.
Cross-Functional Leadership: Collaborated with Design and DevOps teams to ensure CI/CD reliability, pixel-perfect responsive UIs, and optimal API efficiency, resulting in faster deployment cycles.
Microservices & API Design: Developed high-performance RESTful APIs and microservice architectures, integrating secure payment gateways (Stripe) and automation tools (Mailchimp) to streamline business operations.
Cross-Functional Leadership: Collaborated with Design and DevOps teams to ensure CI/CD reliability, pixel-perfect responsive UIs, and optimal API efficiency, resulting in faster deployment cycles.
I achieved a Second Class Upper (2:1) grade and developed a comprehensive understanding of civil and environmental engineering principles.
- 🇬🇧 English
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