Naasiruddeen Abdurraheem
Software Developer
Lagos,LA
Summary
Software Engineer with 4+ years of experience designing, developing, and supporting backend services using C#, .NET, and SQL Server across fintech, insurance, HR, and government platforms. Strong background in building end-to-end backend flows, REST APIs, and distributed service-based systems with a focus on scalability, reliability, and operational stability. Proven record of reducing processing times from days to minutes while supporting high-volume transaction systems. Experienced in Agile environments, collaborating closely with product and business stakeholders, and actively monitoring production systems to diagnose and resolve issues. Motivated to contribute to modern, cloud-based platforms serving large-scale customer operations.
Overview
5
5
years of professional experience
3
3
Certification
Work History
Software Developer
Villextra Technologies Limited
Lagos
09.2022 - Current
- Designed and implemented scalable backend services using C#, .NET, and SQL Server to support HR, insurance, and financial systems used by 400+ internal users and multiple external partners.
- Redesigned HR leave management, appraisal, and payroll workflows, reducing payroll processing time from 3 days to under 1 hour through backend automation and optimized data processing.
- Developed end-to-end backend flows for motor insurance issuance, reducing manual paperwork by ~70% and cutting processing time from 2 days to under 30 minutes.
- Collaborated on the redevelopment of the NAFDAC Automated Product and Monitoring System (NAPAMS), digitizing product registration and renewal workflows and enabling compliance for 10,000+ manufacturing companies nationwide.
- Actively monitored production systems using application logs and system metrics, investigating incidents, identifying root causes, and resolving issues to minimize downtime and maintain service reliability.
- Worked closely with product owners and stakeholders during incidents, communicating technical findings clearly and contributing to long-term fixes to prevent recurrence.
- Currently developing a financial module (journal entries, bank transactions, petty cash, general ledger) to improve data accuracy and reduce manual bookkeeping errors for 20+ finance staff handling 200+ monthly transactions.
- Tech Skills: C#, JavaScript, SQL, .NET, Blazor, .NET WebForms, SQL Server, Azure DevOps
Intern
Courteville Business Solutions PLC
Lagos
05.2021 - 10.2021
- Contributed to backend services for a multi-bank payment and account management platform, enabling bill payments and fund transfers for 1,000+ users.
- Maintained and monitored vehicle registration systems, supporting 2,000+ registrations weekly, resolving production issues, and ensuring data accuracy with reduced downtime.
- Automated taxpayer document issuance workflows, reducing processing time from several days to minutes and improving operational efficiency.
- Assisted in developing and maintaining RESTful APIs and database logic
- Tech Skills: C#, JavaScript, SQL, .NET, SQL Server
Education
B.Sc. - Systems Engineering
University of Lagos
Lagos, Nigeria06.2024
Skills
- C#, NET, ASPNET
- Javascript
- Blazor
- REST APIs, service-based / microservices architectures
- End-to-end backend flow design
- SQL Server, SQL
- MongoDB
- Application logging and monitoring
- Production issue investigation and root cause analysis
- Performance optimization and stability improvements
- Azure DevOps, CI/CD pipelines
- Writing testable, maintainable code
- Agile / Scrum
- Cross-functional collaboration
- Technical problem-solving and ownership
Certification
- Graduate Member, The Nigerian Society of Engineers, 2025
- Microsoft Certified: Azure Developer Associate, 03/01/25, 03/01/27
- Microsoft Certified: Azure AI Engineer Associate, 01/01/25, 01/01/27
Projects
StaffPlanet, 2023, HR platform for leave management, appraisals, and payroll automation
Basic financials, 2025, financial system for journal entries, petty cash, and general ledgers
Asset Verification, 2024, an application to validate phones, vehicles using serial numbers or VINs to prevent stolen purchases
Timeline
Software Developer
Villextra Technologies Limited
09.2022 - Current
Intern
Courteville Business Solutions PLC
05.2021 - 10.2021
B.Sc. - Systems Engineering
University of Lagos