Simphiwe Nkosi
@simphiwenkosi
Software Engineer at Betway Africa, where I increased data-processing throughput by 30%+ with Akka.NET and RabbitMQ.
South AfricaWhat I'm looking for
At Betway Africa, I engineered an actor-based backend system with Akka.NET and RabbitMQ that increased data-processing throughput by 30%+. I also optimized SQL queries and stored procedures, reducing report generation from minutes to seconds.
At DPD Laser, I designed and maintained .NET 8 microservices and RESTful APIs, and worked with Vue.js and PostgreSQL. I also maintained a mobile application whose issue fixes contributed to a 20% reduction in support requests.
At Ntsele Global Technologies, I led the development lifecycle of a medical desktop application in C# and .NET. I’ve also worked on healthcare software, API integration and testing, and AWS-deployed services; I’m actively building my React and Python/Flask capabilities.
Experience
Work history, roles, and key accomplishments
Software Engineer
Betway Africa
Sep 2024 - Present (2 years 1 month)
Engineered a high-concurrency actor-based backend system using Akka.NET and RabbitMQ, increasing data processing throughput by 30%+. Optimised complex SQL queries and stored procedures, reducing report generation from minutes to seconds.
Software Engineer
DPD Laser
Sep 2022 - Sep 2024 (2 years)
Designed, built, and maintained microservices using .NET 8, Vue.js, and PostgreSQL, with Docker and Kubernetes. Developed and managed RESTful APIs with a focus on scalability and security.
Intermediate Software Engineer
BluWave Software
Jan 2020 - Sep 2022 (2 years 8 months)
Integrated third-party APIs, including the Office 365 Exchange API, to streamline client workflows. Implemented mobile-responsive UI features that increased mobile traffic by 40%, using Bootstrap and DevExpress.
Junior Software Engineer
BitVenture
May 2019 - Nov 2019 (6 months)
Improved facial verification algorithms by 10% in detection accuracy and maintained a C#/.NET currency conversion system. Used code reviews and pair programming to maintain quality and knowledge sharing.
Junior Software Engineer
Ntsele Global Technologies
May 2017 - Feb 2019 (1 year 9 months)
Led the full development lifecycle of a medical desktop application in C# and .NET, including requirements, coding, testing, and deployment. Built a high-performance Android POS application, contributing to a 30% increase in user satisfaction.
Education
Degrees, certifications, and relevant coursework
University of South Africa
Bachelor of Science, Computing
Pursuing a Bachelor of Science in Computing, expected to complete in 2028.
Pearson Institute of Higher Education
Higher Certificate, Information Systems Engineering
Completed a Higher Certificate in Information Systems Engineering in 2017.
Availability
Location
South AfricaAuthorized to work in
Salary expectations
Job categories
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