Daniel Oguejiofor Email & Phone Number

Abuja, Federal Capital Territory, Nigeria

I architect and implement scalable backend systems using Spring Boot, Node.js, and PostgreSQL, optimizing database performance and reducing latency by 40%. By adopting domain-driven design and leveraging microservices architecture, I build resilient and maintainable systems that scale seamlessly as application demands grow.Infrastructure management automation using Terraform and container orchestration with Kubernetes, ensuring high availability and minimizing downtime. By implementing CI/CD pipelines with Jenkins and GitHub Actions, I accelerate release cycles and reduce deployment risks. My work in monitoring and optimizing server performance using Prometheus and Grafana has led to a 25% improvement in system reliability.In addition, I foster collaboration between development and operations teams, driving a culture of shared responsibility and continuous improvement across the entire product lifecycle.

Abuja, Federal Capital Territory, Nigeria

Designed high-level backend systems that identified project complexities early and enforced TDD practices for high-quality code. Developed robust web applications using Spring Boot and AWS, which reduced feature launch time by 30%. I focused on implementing scalable backend architectures and modular codebases that enhanced performance and reduced development time by 20%. I also collaborated closely with teams to ensure seamless integration and the overall success of projects.

Lagos State, Nigeria

Conducted a comprehensive requirements analysis that resulted in a 95% alignment with customer expectations for MVP delivery, significantly streamlining the development process. I engineered a TypeForm-like system with bulk read and write operations using MongoDB, which dramatically improved data processing efficiency and enabled large-scale form submissions.By developing a real-time communication system with Socket.io, I enhanced user interaction and increased system responsiveness by 30%. I deployed and managed the application on Azure, optimizing scalability and performance while ensuring high availability through the platform's robust infrastructure.Additionally, I managed version control with Git and established CI/CD pipelines using GitHub Actions, which reduced deployment errors and sped up feature releases, improving overall development reliability.

Port Harcourt, Rivers State, Nigeria

Successfully implemented secure financial transactions and BVN (Bank Verification Number) verification using Paystack, resulting in a 30% reduction in fraud and enhanced user trust. Designed and developed highly efficient APIs that facilitated seamless money transfers, ensuring data encryption and secure financial data handling.Achieved regulatory compliance and secure BVN validation by integrating Paystack’s API, which streamlined identity verification processes and improved platform security. This led to a more secure and user-friendly experience, while also supporting scalability as transaction volumes increased.Optimized transaction workflows to reduce latency by 25%, enabling the platform to handle high-volume financial operations with zero downtime, improving overall system performance and reliability.

Port Harcourt, Rivers State, Nigeria

I developed and maintained backend infrastructures for cross-border currency exchange and job-hunting platforms, ensuring scalability, security, and efficiency using tools like Java, Spring Boot, NestJS, PostgreSQL, and MongoDB. My work improved system performance, reduced downtime, and enhanced user satisfaction and security compliance.