williams Sandra
@williamssandra
Junior .NET developer focused on backend fintech systems.
What I'm looking for
I am a Junior .NET Developer with two years of hands-on experience building and optimizing backend financial systems using C#, .NET Core, ASP.NET, and SQL. At ErrandPay I designed and maintained RESTful APIs, implemented CI/CD pipelines with Azure DevOps, integrated AWS services for secure data storage and background processing, and contributed to a microservices-based fintech platform that improved system performance and transaction reliability.
I progressed from backend intern to developer, delivered production-ready features, wrote unit tests (xUnit/NUnit), and improved reconciliation and reporting efficiency while collaborating in Agile teams. I am eager to contribute my backend expertise, grow into a stronger full-stack .NET engineer, and help build scalable, secure financial applications.
Experience
Work history, roles, and key accomplishments
Backend Developer
ErrandPay Ltd
May 2024 - Present (1 year 4 months)
Progressed from Backend Intern to Backend Developer and delivered production-ready fintech backend features, improving system performance by 30% and ensuring reliable multi-currency transaction processing.
Education
Degrees, certifications, and relevant coursework
University of Benin
Bachelor of Science, Economics
Grade: Second Class Upper Division (GPA: 4.19)
Activities and societies: Secretary General, National Economics Student Association (UNIBEN Chapter, 2022); Head, Child Abuse Response Team, Living Your Dreams Initiative (2019–2022)
Completed a Bachelor of Science in Economics with Second Class Upper Division, achieving a GPA of 4.19.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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