<ul><li>Developed and maintained features for a Ruby on Rails application.</li></ul>

Software Engineer

<ul><li>Created the backend REST API using Express.js (Node.js) and PostgreSQL (stored procedures); achieved high code coverage through rigorous unit testing with Mocha framework.</li><li>Collaborated with a cross-functional team to deploy application API on Azure platform, ensuring seamless integration and scalability for optimal performance.</li></ul>

Senior Backend Engineer

<ul><li>Managed and enhanced the payment-gateway dashboard REST API, which supplied the web front-end with metrics and details about the over 7M transactions (worth over $1B).</li><li>Automated the upload of the reconciliation records for the payment-gateway solution by developing Gmail and Google drive bots, cutting the process time by 7 hours per week.</li><li>Set up CircleCI CI/CD pipelines with integrated DAST and SAST tests, ensuring robust security measures and continuous integration.</li><li>Led regular code review sessions, providing constructive feedback and mentoring to developers, resulting in an improvement in coding standards and increased overall team efficiency.</li></ul>

<ul><li>Spearheaded the engineering team in the seamless transition of the backend API to Express.js (Node.js), allowing the firm to expand the engineering team for the Switch project.</li><li>Implemented and deployed an admin dashboard, providing stakeholders with real-time application statistics, resulting in data-driven decision-making, a reduction in customer-support response time and an overall improvement in customer satisfaction.</li><li>Reduced time for logs-retrieval by 50% with the use of optimized indexed queries (trigrams), thereby improving and speeding up error debugging.</li><li>Partnered with Deputy CTO to perform rigorous code audits, identifying and addressing security vulnerabilities and technical debt, resulting in an improvement in code quality and a significant reduction of application response time and latency.</li><li>Collaborated closely with the QA team to design and execute stress and load tests, uncovering system vulnerabilities and enhancing performance, boosting overall system stability.</li><li>Maintained the API GitBook documentation up to date, improving frontend integration and time to market.</li><li>Spearheaded the setup of the REST API on Azure using Docker in collaboration with the DevOps team.</li></ul>

Backend Engineer

<ul><li>Maintained the backend REST API and kept the API documentation up to date, ensuring seamless integration with the frontend.</li><li>Created a custom-notification Webhooks REST API for clients, resulting in an impressive 80% increase in notification delivery, driving higher user satisfaction.</li><li>Streamlined testing procedures by creating automated Postman tests for the custom-notification Webhooks REST API.</li></ul>

<ul><li>Developed and implemented the retail, purchasing and delivery management modules of the Trade Automation application, resulting in an increase in overall operational efficiency and a reduction in manual data entry errors.</li></ul>

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Demilade O.

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