• Engineered embeddable checkout widgets using React and Node.js, integrating seamlessly across platforms and increasing monthly revenue by 10% through improved user experience and faster conversions.

• Built scalable payment infrastructure with Stripe, Paystack, and Startbutton; migrated cron-based processing to AWS SQS, reducing transaction processing time to one minute and saving operational costs.

• Developed a modular design system using Chakra UI, standardizing UI components, reducing redundant development by 30%, and accelerating feature rollout across multiple teams.

• Implemented a dynamic email marketing system with Amazon SES, increasing customer engagement and driving repeat usage across merchant platforms.

• Created a booking platform with Cronofy integration, automating service creation and appointment management, reducing manual scheduling errors, and improving merchant satisfaction.

• Contributed to the internal Mainstack payment library, streamlining payment processes and enhancing maintainability, resulting in a reduction in developer troubleshooting time and faster deployments.

• Led a React team to build an SME onboarding platform, modernizing legacy code and increasing customer base by 20%, driving higher adoption and platform usage.

• Engineered a multi-step business registration flow with React patterns and RESTful APIs, reducing onboarding time by 35% and improving overall customer satisfaction.

• Built backend loan services using Java, Spring Boot, RabbitMQ, and PostgreSQL, ensuring reliability and scalability while reducing operational errors and improving processing speed.

• Optimized slow PostgreSQL queries using Explain Analyze and targeted indexing, boosting API response times and improving application performance for end users.

• Collaborated on full-stack development with React and backend services, improving deployment efficiency and accelerating feature releases while maintaining high-quality standards.

As a Mid-Level Software Engineer, I contributed across both frontend and backend systems to build scalable, performant applications that power core banking and customer-facing features. I worked extensively with React, TypeScript, and Next.js on the frontend, and Java, Spring Boot, GraphQL, Redis, and RabbitMQ on the backend. I collaborated with designers, product managers, and backend engineers to deliver seamless, end-to-end functionality with a focus on performance and clean architecture.

• Rebranded and optimized Netflix’s information security website using React and Contentful, reducing user complaints by 90% and improving overall user trust and satisfaction.

• Implemented Stripe APIs for domestic and international transactions, efficiently managing $100,000 within three months and increasing financial throughput by 25% while minimizing errors.

• Developed post notifications with GraphQL subscriptions and WebSockets, boosting user engagement and reducing bounce rate, improving platform retention metrics.

• Collaborated with remote teams using Jira, Agile, and Git, streamlining task management and reducing project delivery time, enhancing development workflow efficiency.

• Developed Guava platform frontend using React.js, enhancing UI/UX for vehicle services, improving user satisfaction by 30% and increasing customer engagement and repeat usage.

• Integrated APIs and backend services into React frontend, ensuring seamless data flow, reducing errors by 25%, and accelerating dynamic content rendering for a smoother experience.

• Identified and resolved frontend performance issues, optimizing load times and ensuring cross-browser compatibility, resulting in higher user retention and reduced complaints.

• Implemented robust data fetching and manipulation techniques, improving operational efficiency, reducing manual troubleshooting, and contributing to timely feature delivery across the platform.