
Adebiyi Adedotun
Verified Expert in Engineering
Front-end Developer
Lagos, Nigeria
Toptal member since October 22, 2021
Adebiyi is a front-end engineer who builds polished web interfaces and products—dashboards, marketing sites, and web applications—where the look, feel, and performance matter. He has worked at startups, mid-sized companies, and enterprise organizations across fintech, logistics, healthtech, and cloud infrastructure, owning features end-to-end. He has been published on Smashing Magazine, CSS-Tricks, and LogRocket.
Portfolio
Experience
- JavaScript - 6 years
- React - 5 years
- Next.js - 5 years
- TypeScript - 4 years
- CSS - 4 years
- Front-end - 4 years
- Shadcn UI - 3 years
- Tailwind CSS - 3 years
Preferred Environment
Figma, Slack, GitHub, Linear, PostHog, Sentry, Claude Code, GitKraken, MacOS
The most amazing...
...thing I've created is a logistics dashboard with 50+ forms, 40+ data tables, i18n across four languages, and RTL support for languages such as Arabic.
Work Experience
Next.js Developer
Prezly
- Modernized 10+ custom newsroom sites for global enterprise clients across aviation, logistics, and healthcare industries.
- Implemented i18n across newsrooms supporting 50+ languages, including RTL layout for right-to-left scripts.
- Delivered UI and layout updates from Figma designs to production across independently themed client sites.
- Worked across a Next.js stack integrated with Prezly's proprietary CMS, maintaining consistency across independently themed client sites.
Front-end Engineer
Macrometa Corporation
- Rebuilt Macrometa.com with minimal disruption to the existing Sanity CMS content model and editorial workflow.
- Owned all front-facing Macrometa websites, including the main marketing site, product demos, and campaign landing pages.
- Developed targeted landing pages for product lines, including virtual waiting rooms and eCommerce readiness assessments.
- Managed technical SEO across all public properties using Semrush, improving site structure and search visibility.
- Ran A/B tests on key landing pages to optimize conversion and user engagement.
Front-end Engineer
HatchPath
- Built a virtual health coaching marketplace enabling clients to book sessions, meet via video call, and pay through Stripe.
- Developed a Calendly-style scheduling feature allowing clients to book coaches based on real-time availability.
- Built an in-house video calling feature with Twilio, including a countdown timer and video mirroring, avoiding significant third-party licensing costs.
- Designed and developed a reusable, responsive component library covering cards, forms, modals, and search across the product.
- Worked in a team of five, owning core product features end-to-end from design handoff to production deployment.
Lead Front-end Engineer
Ceviant
- Led the front-end team on a UK/Nigeria fintech product, including hiring, onboarding, and managing other engineers.
- Architected a session-based authentication system with public, protected, and private routing, 2FA, idle timeout, and browser fingerprinting.
- Built a comprehensive design system with reusable components—select, table, calendar, input, tag, button—using styled-components.
- Implemented URL-based state persistence for table pagination and filters, ensuring consistent UX on refresh and link sharing.
- Integrated Flatfile for large-scale data ingestion and Formik for unified form management across the dashboard.
- Authored transactional HTML emails for login, signup, and password reset flows using MJML.
Developer Advocate
Edgio
- Rebuilt the Layer0/Edgio developer documentation site in Next.js and MDX, with Algolia search, syntax highlighting, and a custom recursive navigation component.
- Wrote and reviewed technical content, including blog posts, guides, and documentation covering web performance and supported technologies.
- Coordinated e-book production with engineering contributors from Algolia, Cloudinary, Uniform, and Vue Storefront on Core Web Vitals topics.
- Managed a developer community across forums and social platforms, triaging issues and announcing product updates.
Front-end Engineer
Kobo360
- Rebuilt the customer and partner dashboards from the ground up, improving performance, maintainability, and stability across the platform.
- Implemented 50+ form components using Formik and Yup, covering the full range of data entry needs across the logistics platform.
- Built 40+ table components with URL-based pagination and filtering, ensuring state persisted across page refreshes and shared links.
- Replaced Redux with React Context API for state management, reducing complexity and onboarding friction for the team.
- Internationalized both dashboards into four languages with RTL support for right-to-left scripts using CSS logical properties.
- Created new HTML email templates with a unique design that prioritized structure and data visibility.
Front-end Engineer
WiseLead Company
- Designed and built the complete dashboard for Microsoft Excel Club using React, Styled-components, and Azure DevOps.
- Refactored landing pages from static HTML/JavaScript templates into React applications.
- Built HTML email templates for authentication flows, including login, logout, forgot password, and password reset.
Experience
Landing Pages for VIZZ
https://www.vizz.com/Custom Newsroom Themes
https://www.prezly.com/A Personal Bookmark Manager
New Yorker Magazine's Store Clone
https://nyk-store-clone.vercel.app/Marketing Pages for Macrometa
https://www.macrometa.com/Clone of The Atlantic's "The Great American Novels"
https://atlantic-great-american-novels.vercel.appMarketing Site and Dashboard Application for Ceviant Finance
https://www.ceviant.co/Website for a Media Company
https://theseptum.comDashboard for a Virtual Health Coaching Marketplace
https://hatchpath.ioEducation
Bachelor's Degree in Computer Science
University of Ilorin - Ilorin, Nigeria
Certifications
The Joy of React
Josh W Comeau
Type Transformations
Matt Pocock
CSS for JavaScript Developers
Josh W Comeau
Master Gatsby
BosType Inc
MERN Stack Front To Back: Full Stack React, Redux & Node.js
Udemy
The Modern GraphQL Bootcamp (with Node.js and Apollo)
Udemy
Beginner JavaScript
Bostype Inc
Advanced React and GraphQL
Bostype Inc
Skills
Libraries/APIs
React, React Router, Formik, Framer Motion, REST APIs, D3.js, Stripe, Vue
Tools
Slack, Git, GitHub, Figma, GitLab, Prisma, Sentry, Shadcn UI, TanStack Router, Claude Code, Drizzle ORM
Languages
JavaScript, HTML, CSS, TypeScript, Markdown, MDX, SCSS
Frameworks
Next.js, Chrome, Tailwind CSS, Remix, Material UI
Paradigms
REST, Responsive Web Design (RWD), Unit Testing
Platforms
Firefox, Safari, MacOS, Visual Studio Code (VS Code), Web, Sanity Studio, Vercel, PostHog, Algolia, Twilio
Industry Expertise
Web Design
Storage
FlatFile, PostgreSQL
Other
Styled-components, SWR, Front-end, User Interface (UI), UI Development, Web Development, Figma to React, Computer Aided Software Engineering, HTML Email, Authentication, Content Management Systems (CMS), CI/CD Pipelines, Responsive Web Apps, APIs, Technical Writing, Technical Documentation, Data Visualization, Dashboards, SVG, i18n, Supabase, Headless CMS, API Integration, Artificial Intelligence (AI), BaseUI, Linear, TanStack Start, Resend, Fingerprint.js, Base UI, Authorization, GitHub Actions, date-fns, GitKraken, Headless Software, Internationalization, User Experience (UX), Semrush, SEO Tools, A/B Testing, Convex DB, TanStack Form, TanStack Virtual, NeonDB, Software Engineering, Turborepo, Railway
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