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Folahan Mosunmola
Looking for a jobLead Full-Stack Engineer
Lead Full-Stack Engineer at Umwelth, building B2B SaaS rewards platforms and a crash-safe offline POS system.
NigeriaLead Full-Stack Engineer at Umwelth
Experience
Lead Full-Stack Engineer
Lead the architecture and scaling of a B2B SaaS rewards and customer data platform serving 50+ enterprise clients. Designed a proprietary dividend attribution algorithm and established reusable component libraries and design system standards.
ReactNext.jsTypeScriptNodeJSNestJSPostgreSQLMongoDBAWSDesign Systems
Founding Backend Engineer
Designed a high-concurrency architecture using BullMQ and Redis for real-time task synchronization and push notifications. Engineered a secure Stripe subscription system and scaled the product to process over $25,000 in annual subscription revenue.
BullMQRedisStripeNodeJSTypeScriptWebhooksSystem Design
Frontend Engineer
Built a performance-optimized Next.js storefront with multi-language routing and SSR catalogs, improving page load times by 50%. Architected a modular backend system on Medusa.js and Redis, improving API response times by 40%.
Next.jsReactTypeScriptMedusaJSRedisPostgreSQLAWSS3Amazon Cloudfront
Web Developer
Promoted from intern to full-time Web Developer within 6 months and named Engineer of the Quarter. Built responsive, accessible B2C and B2B interfaces in React.js from Figma designs.
ReactFigmaHTML5CSSJavaScriptAccessibility
Education
LinkedIn
Completed certification in Micro Front-End Architecture with React in April 2025.
Completed certification in Micro Front-End Architecture with React in April 2025.
LinkedIn
Completed certification in End-to-End JavaScript Testing with Cypress.io in April 2025.
Completed certification in End-to-End JavaScript Testing with Cypress.io in April 2025.
Federal University of Technology, Akure
Pursued a Bachelor of Engineering in Mining Engineering from 2011 to 2017.
Pursued a Bachelor of Engineering in Mining Engineering from 2011 to 2017.