I'm a results-driven software engineer with over 5 years of experience building scalable, responsive, and user-focused web and mobile applications. I have hands-on expertise with React.js, Next.js, Flutter, Node.js, GraphQL, and AWS, designing intuitive UIs, integrating payments, and delivering end-to-end solutions across healthcare, insurance, and SaaS platforms. I thrive in cross-functional teams to ship features that improve user experience, boost retention, and drive product adoption. I'm excited to contribute to forward-thinking organizations with technical excellence and a passion for innovation. I'm motivated by solving complex problems, mentoring teammates, and building scalable systems that empower users. I enjoy collaborating with designers, product managers, and engineers to deliver delightful experiences and measurable business impact.

Isaac Iyinoluwa Bilewu

I'm a results-driven software engineer with over 5 years of experience building scalable, responsive, and user-focused web and mobile applications. I have hands-on expertise with React.js, Next.js, Flutter, Node.js, GraphQL, and AWS, designing intuitive UIs, integrating payments, and delivering end-to-end solutions across healthcare, insurance, and SaaS platforms. I thrive in cross-functional teams to ship features that improve user experience, boost retention, and drive product adoption. I'm excited to contribute to forward-thinking organizations with technical excellence and a passion for innovation. I'm motivated by solving complex problems, mentoring teammates, and building scalable systems that empower users. I enjoy collaborating with designers, product managers, and engineers to deliver delightful experiences and measurable business impact.

Available to hire

I’m a results-driven software engineer with over 5 years of experience building scalable, responsive, and user-focused web and mobile applications. I have hands-on expertise with React.js, Next.js, Flutter, Node.js, GraphQL, and AWS, designing intuitive UIs, integrating payments, and delivering end-to-end solutions across healthcare, insurance, and SaaS platforms. I thrive in cross-functional teams to ship features that improve user experience, boost retention, and drive product adoption. I’m excited to contribute to forward-thinking organizations with technical excellence and a passion for innovation.

I’m motivated by solving complex problems, mentoring teammates, and building scalable systems that empower users. I enjoy collaborating with designers, product managers, and engineers to deliver delightful experiences and measurable business impact.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent

Work Experience

Frontend Engineer (Fullstack) at Valley
August 31, 2025 - September 3, 2025
Built core UI features including authentication, onboarding flows, and messaging screens to enhance overall user engagement, improving onboarding completion rate by 30% and reducing drop-offs. Implemented a subscription-based payment system with Stripe, enabling recurring revenue streams. Integrated third-party APIs and software to expand platform functionality. Delivered performance improvements and bug fixes, increasing platform stability and reducing bugs impacting users and downtime, which contributed to a 77% revenue growth. Developed and tested new features to ensure seamless user experience.
Lead Frontend Engineer at Leytro
October 31, 2024 - September 3, 2025
Pioneered the transition to a web application, increasing average session time by 15%. Collaborated with backend engineers to integrate APIs and ensure seamless data flow. Refined UI alongside product designers, increasing customer retention by 22%. Worked cross-functionally with sales and marketing teams to enhance user experience strategies.
Lead Backend Engineer at Quickly Marketplace
April 30, 2024 - September 3, 2025
Designed and implemented backend architecture with secure authentication, authorization, and data storage. Developed REST APIs powering onboarding, product uploads, instant messaging, and store creation features. Collaborated with frontend and product teams to deliver a scalable marketplace aligned with user needs.
Lead Frontend Engineer at RapidMedicare
September 30, 2023 - September 3, 2025
Built secure and responsive web interface for patient onboarding and medical consultations. Integrated APIs for data handling ensuring compliance with medical standards. Collaborated with medical staff to optimize workflows and improve patient experience. Coordinated with CTO and product manager to deliver the project on time.
Frontend Engineer (Fullstack) at Valley
August 1, 2025 - September 3, 2025
Built core UI features including authentication, onboarding flows, and messaging screens, enhancing overall user engagement and improving onboarding completion rate by 30%. Implemented a subscription-based payment system with Stripe to enable recurring revenue streams. Integrated third-party APIs and software to expand platform functionality. Delivered performance improvements and bug fixes, increasing platform stability, improving performance and load times, and reducing bugs and downtime leading to a 77% revenue growth. Developed and tested new features ensuring a seamless user experience.
Lead Frontend Engineer at Leytro
October 1, 2024 - September 3, 2025
Pioneered the transition to a web application that raised average session time by 15%. Collaborated with backend engineers to integrate APIs for seamless data flow. Refined UI in collaboration with product designers, increasing customer retention by 22%. Worked cross-functionally with sales and marketing teams to enhance user experience strategies.
Lead Backend Engineer at Quickly Marketplace
April 1, 2024 - September 3, 2025
Designed and implemented backend architecture with secure authentication, authorization, and data storage. Developed REST APIs powering onboarding, product uploads, instant messaging, and store creation features. Collaborated with frontend and product teams to deliver a scalable marketplace aligned with user needs.
Lead Frontend Engineer at RapidMedicare
September 1, 2023 - September 3, 2025
Built secure and responsive web interfaces for patient onboarding and medical consultations. Integrated APIs for data handling ensuring compliance with medical standards. Collaborated with medical staff to optimize workflows and improve patient experience. Coordinated with CTO and product manager to deliver the project on time.
Staff Frontend Engineer (Fullstack) at Valley
August 1, 2025 - August 1, 2025
Built core UI features including authentication, onboarding flows, and messaging screens, enhancing overall user engagement, improving onboarding completion rate by 30% and reducing drop-offs. Developed an AI Training Center to retrain AI agents for generating personalized messages, resulting in a measurable increase in user satisfaction and message quality. Implemented an AI Studio that provides structured learning materials and step-by-step instructions, significantly reducing AI hallucinations and improving model reliability. Designed and built a User Message Analytics Dashboard to track performance metrics, analyze engagement trends, and optimize AI message generation based on real-time insights. Implemented subscription-based payment system (Stripe), enabling recurring revenue streams. Integrated third-party APIs and software to expand platform functionality. Delivered performance improvements and bug fixes, increasing platform stability, improving performance and load time, reduc
Lead Frontend Engineer at Leytro
October 1, 2024 - October 1, 2024
Pioneered the transition to a web application leading to raising average session time by 15%. Collaborated with backend engineers to integrate APIs and ensure seamless data flow. Refined UI in collaboration with product designers, increasing customer retention by 22%. Contributed cross-functionally with sales and marketing teams to enhance user experience strategies.
Founding Backend Engineer at Quickly Marketplace
April 1, 2024 - April 1, 2024
Designed and implemented backend architecture with secure authentication, authorization, and data storage. Developed REST APIs powering onboarding, product uploads, instant messaging, and store creation features. Collaborated with frontend and product teams to deliver a scalable marketplace aligned with user needs. Implemented image processing using TensorFlow for quick product identification and verification.
Founding Frontend Engineer at RapidMedicare
September 1, 2023 - September 1, 2023
Built a secure and responsive web interface for patient onboarding and medical consultations. Built patients’ and doctors’ authentication and onboarding flows, dashboard analytics, appointments, video conferencing, messaging and earning interfaces, among others. Integrated APIs for data handling, ensuring compliance with medical standards. Collaborated with medical staff to optimize workflows and improve patient experience.
Software Engineer at Freelancing
April 1, 2023 - April 1, 2023
Designed, developed and deployed the frontend architecture for various clients across SaaS, e-commerce and real estate products. Designed and implemented RESTful APIs for authentication and secure data fetching and querying. Developed a Shopify-based e-commerce platform for an auto parts retailer, designing custom themes and integrating Shopify Liquid, Storefront API, and third-party payment gateways, leading to an increase in online conversions. Implemented CI/CD pipelines with GitHub Actions, Docker, and Vercel, enabling seamless deployments and faster iteration cycles.

Education

Bachelor of Technology (B. Tech) Mechanical Engineering at University of Ilorin - Ilorin, Kwara State, Nigeria
January 11, 2030 - October 1, 2021
Bachelor of Technology at University of Ilorin
January 11, 2030 - October 1, 2021
Master of Engineering (M.Eng) at Institute Superior Técnico - Lisbon, Portugal
January 11, 2030 - August 1, 2027
Bachelor of Engineering (B.Eng) at University of Ilorin - Kwara State, Nigeria
January 11, 2030 - October 1, 2021

Qualifications

Administrative Skills Development for Organizational Productivity
January 1, 2023 - September 3, 2025
Certificate of National Service
October 1, 2022 - September 3, 2025
Fullstack Development I4GxZURI Program
August 1, 2022 - September 3, 2025
Administrative Skills Development for Organizational Productivity
January 1, 2023 - September 3, 2025
Certificate of National Service
October 1, 2022 - September 3, 2025
Fullstack Development I4GxZURI Program
August 1, 2022 - September 3, 2025
Administrative Skills Development for Organizational Productivity
January 1, 2023 - November 9, 2025
Certificate of National Service
October 1, 2022 - November 9, 2025
Fullstack Development I4GxZURI Program
August 1, 2022 - November 9, 2025

Industry Experience

Healthcare, Financial Services, Software & Internet, Education, Professional Services