I seek roles where I can build secure, scalable full stack or backend systems using .NET Core and cloud platforms, with opportunities for architectural impact and team collaboration.
Umair Sarfraz
@umairsarfraz
.NET Developer | Expert in C#, ASP.NET Core, Angular, and Clean Architecture | Professional Experience With International Clients
What I'm looking for
I am a results oriented .NET developer with 4+ years of experience building full-stack web applications, microservices, and cloud-native systems. I specialize in .NET Core, Angular, SignalR and delivering secure, scalable enterprise and SaaS solutions.
I've led backend services for an e-wallet platform, implemented robust authentication and transaction security layers, and integrated payment gateways and virtual card APIs. My work prioritizes data protection and seamless user experiences.
I have hands on experience delivering ERP, hospital management, booking platforms, and internal communication systems, often improving operational efficiency and user engagement through targeted feature development.
I thrive in collaborative engineering teams and as an independent contributor, focusing on clean architecture, SOLID principles, microservices, and cloud deployment (Azure/AWS) to produce reliable, maintainable software.
Experience
Work history, roles, and key accomplishments
Senior .NET Developer
Chip Curacao
May 2024 - Present (1 year 4 months)
Built backend services for CuraƧao's first e-wallet, implemented secure authentication and transaction protections, integrated Virtual MasterCard via Girasol API and First Atlantic Commerce for wallet top-ups, and developed an agent top-up system.
Full Stack Developer
BarqBytes
Jan 2024 - Apr 2025 (1 year 3 months)
Independently developed a complete internal communication system using Angular, .NET Core, and SignalR, delivering real-time messaging to improve organizational communication.
.NET Developer
JSS Devs
Aug 2023 - Dec 2023 (4 months)
Contributed to ASP.NET Core development and code audits for a shopping cart system, implemented authentication/authorization and user management, driving a 20% increase in user engagement.
Full Stack Developer
ISOLS
Aug 2021 - Jul 2023 (1 year 11 months)
Led ERP development as part of a five-person team, implemented an enhanced payroll module reducing processing time by 20% and completed full ERP rollout, improving operational efficiency by 15%.
Education
Degrees, certifications, and relevant coursework
Virtual University
Bachelor of Science, Computer Science
2019 - 2023
Completed a Bachelor of Science in Computer Science with coursework in software development, databases, and web technologies.
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
Skills
Interested in hiring Umair?
You can contact Umair and 90k+ other talented remote workers on Himalayas.
Message UmairFind your dream job
Sign up now and join over 100,000 remote workers who receive personalized job alerts, curated job matches, and more for free!
