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Hi, I’m Olumorin Samuel, a full stack engineer with 7+ years of experience building customer-facing web applications using TypeScript, JavaScript, React, Node.js, Express.js, PostgreSQL, and AWS. I excel in React Hooks, reusable component architecture, REST API development, database design, testing, and performance optimization. I’ve led platform rewrites and built server-side APIs, including Stripe checkout, billing portals, webhooks, and AWS-based event-driven services. I also designed internal admin tooling, automated CI/CD with GitHub Actions and Docker, and delivered scalable systems that process thousands of records per batch while collaborating with cross-functional teams.…Hi, I’m Olumorin Samuel, a full stack engineer with 7+ years of experience building customer-facing web applications using TypeScript, JavaScript, React, Node.js, Express.js, PostgreSQL, and AWS. I excel in React Hooks, reusable component architecture, REST API development, database design, testing, and performance optimization. I’ve led platform rewrites and built server-side APIs, including Stripe checkout, billing portals, webhooks, and AWS-based event-driven services. I also designed internal admin tooling, automated CI/CD with GitHub Actions and Docker, and delivered scalable systems that process thousands of records per batch while collaborating with cross-functional teams.

Olumorin Samuel

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hi, I’m Olumorin Samuel, a full stack engineer with 7+ years of experience building customer-facing web applications using TypeScript, JavaScript, React, Node.js, Express.js, PostgreSQL, and AWS. I excel in React Hooks, reusable component architecture, REST API development, database design, testing, and performance optimization. I’ve led platform rewrites and built server-side APIs, including Stripe checkout, billing portals, webhooks, and AWS-based event-driven services. I also designed internal admin tooling, automated CI/CD with GitHub Actions and Docker, and delivered scalable systems that process thousands of records per batch while collaborating with cross-functional teams.…Hi, I’m Olumorin Samuel, a full stack engineer with 7+ years of experience building customer-facing web applications using TypeScript, JavaScript, React, Node.js, Express.js, PostgreSQL, and AWS. I excel in React Hooks, reusable component architecture, REST API development, database design, testing, and performance optimization. I’ve led platform rewrites and built server-side APIs, including Stripe checkout, billing portals, webhooks, and AWS-based event-driven services. I also designed internal admin tooling, automated CI/CD with GitHub Actions and Docker, and delivered scalable systems that process thousands of records per batch while collaborating with cross-functional teams.

Available to hire

Hi, I’m Olumorin Samuel, a full stack engineer with 7+ years of experience building customer-facing web applications using TypeScript, JavaScript, React, Node.js, Express.js, PostgreSQL, and AWS. I excel in React Hooks, reusable component architecture, REST API development, database design, testing, and performance optimization.

I’ve led platform rewrites and built server-side APIs, including Stripe checkout, billing portals, webhooks, and AWS-based event-driven services. I also designed internal admin tooling, automated CI/CD with GitHub Actions and Docker, and delivered scalable systems that process thousands of records per batch while collaborating with cross-functional teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Full Stack Engineer at NFT Valuations, Cyprus

November 1, 2022 - Present

Led a platform rewrite to Next.js and React with TypeScript, improving initial page load by 40% and providing a maintainable frontend architecture. Built server-side APIs and business logic for billing, authentication, wallet connections, and third-party integrations using Node.js, Express, and TypeScript. Implemented Stripe checkout, billing portal, and webhooks; designed AWS-based, event-driven backend with Lambda, Step Functions, SQS, and EventBridge for high-volume processing across 6+ media formats. Delivered real-time admin tooling, auditing, and workflow controls to improve data quality and issue resolution speed. Automated CI/CD with GitHub Actions and Docker to improve release reliability across a remote cross-functional team.

Full Stack Developer at OOZOU, Bangkok

March 1, 2022 - October 1, 2022

Designed and shipped backend services for a collaborative wiki platform supporting real-time editing, version history, and full-text search. Built React.js screens and TypeScript-based features for content creation, editing, and knowledge sharing. Delivered REST APIs for document management and content indexing with conflict resolution and data integrity guarantees. Collaborated with product, design, and QA in a remote team to debug issues, refine requirements, and ship customer-facing improvements quickly.

Backend Developer at Norak Technologies Limited, Lagos

January 1, 2019 - January 1, 2021

Owned backend development for an internal ticketing system to improve project tracking and team visibility across a high volume of requests. Built a school admissions portal with multi-step forms, validation, and status tracking; implemented authentication, authorization, data modeling, and integration with external services.

Full Stack Engineer at Decagon, Lagos

January 1, 2021 - March 1, 2022

Led full-stack delivery for a digital learning platform, building React interfaces, backend services, and payment flows for onboarding, course access, and student progress. Coordinated with product, design, and QA to ship features on schedule and ensure quality.