Oluwaseun ADESINA

Backend Developer | Data Warehouse Engineer | IT Support Specialist
Lagos, NG.

About

Highly skilled IT professional with 3+ years of experience in backend development, data warehousing, and IT infrastructure management. Proven expertise in designing and implementing secure RESTful APIs with Node.js, optimizing EMR systems, and building scalable data pipelines. Adept at proactive troubleshooting, enhancing system uptime, and driving efficiency in fast-paced healthcare and academic environments. Committed to leveraging technical acumen to build robust, scalable, and impactful software solutions.

Work

Octosoft Technologies (A division of AfyaCare Co.)
|

Data Warehouse Engineer

Summary

Designed and maintained robust data pipelines and warehouse structures to support critical healthcare analytics, ensuring data integrity and accessibility.

Highlights

Designed and maintained data pipelines and warehouse structures for healthcare analytics.

Integrated diverse data from EMR systems, Zoho Inventory, and other hospital software into a central repository.

Collaborated with stakeholders to define key performance indicators (KPIs) and data visualization requirements for operational dashboards.

Implemented efficient ETL processes to ensure clean, accurate, and timely data for reporting and decision-making.

Optimized SQL queries and warehouse performance, reducing report generation time by 40%.

AfyA Care Nigeria Limited
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Senior IT Support (Managed Services)

Summary

Managed and maintained comprehensive IT infrastructure, provided critical technical support, and ensured data security and compliance within a dynamic healthcare environment.

Highlights

Reduced IT incidents by 30% through proactive monitoring and maintenance of hospital IT infrastructure, ensuring uninterrupted healthcare services.

Successfully implemented robust security measures, including firewalls and backups, leading to a reduction in security incidents and ensuring HIPAA compliance.

Spearheaded the setup and training for Zoho Inventory, resulting in a 25% increase in inventory management efficiency across the hospital.

Maintained and optimized electronic health record (EHR) systems, improving data accuracy by 20% and ensuring secure patient data management.

Provided technical support to healthcare professionals, resolving issues related to hardware, software, and network connectivity.

Assisted in the setup and configuration of medical equipment and devices connected to the hospital's IT network.

Monitored and maintained hospital IT infrastructure, including servers, workstations, and network devices, to ensure high availability.

Responded to IT incidents and service requests in a timely manner, minimizing downtime in critical healthcare environments.

Collaborated with vendors and external service providers to resolve complex technical issues.

Trained hospital staff on the use of Zoho Inventory, providing hands-on sessions and ongoing support for effective utilization.

Trained staff in new technologies to enhance overall IT literacy and adoption.

Specialman Global Solutions
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Backend Developer

Summary

Developed and maintained robust server-side logic and high-performance RESTful APIs for web applications within an Agile environment.

Highlights

Delivered high-performance RESTful APIs using Node.js and Express, contributing to a 15% increase in application speed and reliability.

Implemented JWT-based authentication and authorization features, enhancing application security and reducing unauthorized access by 25%.

Collaborated effectively with front-end developers to seamlessly integrate user-facing elements with server-side logic.

Designed and implemented efficient database schemas and queries using MongoDB.

Participated actively in code reviews and contributed to team discussions on best practices and coding standards, leading to a 20% improvement in code quality.

Worked proficiently in an Agile/Scrum environment, attending daily stand-ups to ensure project alignment and progress.

Covenant University
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IT Support Intern

Summary

Provided essential technical support and contributed to infrastructure maintenance for the university's IT systems and user community.

Highlights

Provided technical support to over 100 students and staff on IT resources, contributing to a 20% increase in IT competency within the university community.

Contributed to the maintenance and optimization of the university's IT infrastructure, leading to a 15% increase in system reliability and uptime.

Reduced technical issue resolution time by 30% through efficient troubleshooting and prompt support, enhancing overall user satisfaction.

Assisted in setting up and maintaining computer labs, including software installation, network configuration, and troubleshooting.

Managed user accounts, passwords, and permissions within the university's IT systems.

Monitored and maintained the university's IT infrastructure, including servers, networks, and security systems.

Documented and tracked technical issues and solutions using ticketing systems.

Assisted in training staff and students on the use of IT resources and software applications.

Collaborated with the IT team to improve service delivery and support processes.

Education

Federal University of Agriculture, Abeokuta Ogun State

Bachelor of Science (B.Sc.)

Computer Science

Awards

Graduate Member

Awarded By

Computer Professionals of Nigeria

Recognized as a Graduate Member of the Computer Professionals of Nigeria, demonstrating commitment to professional standards and continuous development in the field of computing.

Languages

English

Native

Certificates

IBM Back-end JavaScript Developer

Issued By

IBM

Google IT Support

Issued By

Google

Skills

Programming Languages & Frameworks

JavaScript, Python, Node.js, Express.js.

Cloud & Tools

AWS, GitHub, Zoho Inventory.

Database & Data Management

MongoDB, SQL, Data Warehousing, ETL Pipelines.

IT Support & Systems

Technical Support, EMR Systems, IT Infrastructure, LMS, Inventory Management.

Security

JWT Authentication, Firewalls, Backup Strategies.

Methodologies & Soft Skills

User Training, Agile Methodologies, Scrum, Cross-functional Collaboration, Code Review, Troubleshooting.

Projects

QMS API

Summary

Developed a robust Quality Management System (QMS) API to streamline quality control processes and data management.

Task Manager API

Summary

Created a comprehensive Task Manager API to facilitate efficient task creation, assignment, and tracking for individuals or teams.

Bank of the Masses

Summary

Built a secure and scalable backend system for a banking application, 'Bank of the Masses', focusing on reliable transaction processing and account management.

Expense-Income-Manager-API

Summary

Designed and implemented an API for managing personal or small business expenses and income, providing intuitive tools for financial tracking and reporting.