David Mogbeyiteren

• Led the complete migration of a complex microservice from Prisma to Sequelize ORM, improving maintainability and query efficiency.
• Developed an automated system to validate client payroll reports against Gross-to-Net outputs, significantly reducing manual verification and errors.
• Implemented comprehensive automated QA pipelines to enforce data integrity across all stages of Gross-to-Net document generation.
• Engineered a high-performance Netsuite integration to synchronize chart of accounts across multiple entities, ensuring consistency and scalability.
• Architected the foundational structure for large-scale Level 2 (L2) models to support advanced reporting and computation use cases.

Technologies: TypeScript, Node.js, Express, NestJS, PostgreSQL, Sequelize, NATS, Jest, Docker, Kubernetes.

• Spearheaded the end-to-end research, architecture, and implementation of high-throughput microservices capable of handling over 100,000 requests per minute.
• Modernized four legacy systems by rewriting them in contemporary technologies, resulting in a performance uplift exceeding 32% and significantly improved code maintainability.
• Actively contributed to engineering governance by serving on quality committees that defined and enforced coding and architectural standards across the organization.
• Managed the full lifecycle of service deployments to production environments, ensuring high availability, reliability, and system-wide integration.
• Developed and maintained reusable internal packages to streamline feature development and promote code reuse across teams.

Technologies: Node.js, Fastify, Hapi, MongoDB, Jest, Redis, RabbitMQ, Apache Kafka, Docker, Kubernetes, AWS, Google APIs, Yandex APIs.

• Optimized the performance of a mission-critical financial application, achieving an 18.7% improvement in response times and system efficiency.
• Engineered secure and reliable integrations with external financial APIs to facilitate high-value transactions with strict compliance requirements.
• Provided advanced technical support for 34% of retail-facing customer issues, significantly reducing resolution times and improving customer satisfaction.
• Acted as a senior mentor to new hires and interns, offering guidance on best practices in software development and system architecture.

Technologies: Node.js, TypeScript, Express, MongoDB, Jest, RabbitMQ, Redis, AWS.

• Designed and implemented an internal asset management system to monitor the distribution and usage of diesel and truck tyres across three West African countries.
• Built a scalable vehicle tracking platform for over 2,000 trucks using Firebase, geolocation algorithms (GeoFire, Geo-queries), and polyline encoding to enable real-time monitoring and route optimization.
• Developed a web scraping service to extract relevant public data, enriching user engagement features on the company’s social media platforms.
• Engineered a robust transaction logging service to capture and persist operational activities across nationwide field teams, enhancing auditability and accountability.

Technologies: Node.js, Express, MongoDB, Lumen, Laravel, MySQL, Jest, RabbitMQ, Redis, Docker, Rancher, AWS.

• Developed the backend infrastructure for an automated grading system, efficiently processing thousands of algorithmic problem submissions with high accuracy and reliability.
• Re-architected and modernized the backend of the institute’s primary website, improving performance, maintainability, and deployment workflows.
• Collaborated with external engineering teams to deliver a feature-rich e-commerce platform, supporting hundreds of active users with secure and scalable transaction handling.
• Championed engineering best practices across student projects and internal tools, and authored comprehensive curriculum and technical documentation for developer training from entry-level to intermediate.

Technologies: Node.js, Express, MongoDB, Laravel, MySQL, PHPUnit, WordPress, Jest, Docker, Linux, Redis, RabbitMQ, Python.