Hello, I'm

Abdulrahman
Olalekan

Senior Fullstack Engineer

Fullstack Engineer experienced in building scalable web applications across fintech, healthtech, AI, and enterprise environments. Skilled in designing and developing frontend and backend systems using C#, ASP.NET Core, Entity Framework Core, SQL Server, PostgreSQL, React, Next.js, and TypeScript. Experienced in REST API development, authentication and authorization, database design, performance optimization, and modern web architectures. Proven ability to deliver end-to-end solutions from system design through deployment while collaborating effectively across engineering, product, and business teams.

Skills & Technologies

A comprehensive toolkit built over 5+ years of professional development, from frontend frameworks to blockchain technologies.

Backend

C#ASP.NET CoreEntity Framework CoreNode.jsExpress.jsREST APIsAuthentication (JWT/OAuth)API IntegrationReal-time Data Handling

Core Frontend

ReactNext.jsTypeScriptRedux ToolkitReact QueryZustandTailwind CSSStyled ComponentsFramer MotionSSR/SSGResponsive UIComponent ArchitecturePerformance OptimizationAccessibility (A11y)

Tools & Testing

GitGitHubPostmanSwaggerFigmaJestReact Testing LibraryCypressDockerCI/CD (GitHub Actions)Agile/Scrum

Architecture & Performance

Component ArchitectureScalable SystemsPerformance OptimizationCode SplittingLazy LoadingAccessibility (A11y)

Web3

SolidityHardhatFoundryEthers.jsWeb3.js

Databases

SQL ServerMySQLPostgreSQLMongoDBFirebaseSupabase

Experience

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Featured Projects

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Insights & Articles

Thoughts on software development, web technologies, and lessons learned from building applications at scale.

January 20224 min read

Path Aliases in Next.js

Typing paths is time-consuming and error-prone and it can be complicated at times. Even with code completion capabilities like IntelliSense

Next.jsTypeScriptArchitecture
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Get In Touch

I'm currently open to new opportunities. Whether you have a question or just want to say hi, I'll try my best to get back to you!

Contact Information

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