I'm a Senior Software Engineer with 10+ years of experience building scalable web applications and distributed systems. I specialize in ASP.NET Core, C#, and REST APIs, with deep experience in SQL Server and Entity Framework, and I design robust microservices architectures. I thrive in ownership-driven environments, lead architecture decisions, and continually improve CI/CD pipelines using Azure DevOps, Docker, Kubernetes, and cloud platforms. I value collaboration, security, and delivering high-quality software that aligns with business goals.

Vianney Nzitonda

I'm a Senior Software Engineer with 10+ years of experience building scalable web applications and distributed systems. I specialize in ASP.NET Core, C#, and REST APIs, with deep experience in SQL Server and Entity Framework, and I design robust microservices architectures. I thrive in ownership-driven environments, lead architecture decisions, and continually improve CI/CD pipelines using Azure DevOps, Docker, Kubernetes, and cloud platforms. I value collaboration, security, and delivering high-quality software that aligns with business goals.

Available to hire

I’m a Senior Software Engineer with 10+ years of experience building scalable web applications and distributed systems. I specialize in ASP.NET Core, C#, and REST APIs, with deep experience in SQL Server and Entity Framework, and I design robust microservices architectures.

I thrive in ownership-driven environments, lead architecture decisions, and continually improve CI/CD pipelines using Azure DevOps, Docker, Kubernetes, and cloud platforms. I value collaboration, security, and delivering high-quality software that aligns with business goals.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
See more

Language

English
Fluent

Work Experience

Senior Software Engineer at Appian
March 1, 2021 - Present
Designed and implemented REST APIs using ASP.NET Core and C#, integrating SQL Server with Entity Framework to optimize data retrieval and improve response times for multi-tenant payment gateway systems. Built scalable microservices in C# leveraging ASP.NET Core and EF to enhance transaction throughput and reduce latency in high-demand payment processing environments. Migrated legacy payment modules to Azure, setting up CI/CD pipelines with Azure DevOps and Docker to streamline deployments and reduce release times. Implemented OAuth and JWT authentication, secured endpoints across multi-region deployments. Streamlined asynchronous messaging with RabbitMQ and Istio service mesh to improve inter-service reliability. Deployed Kubernetes clusters on Azure using Terraform for auto-scaling and high availability. Led GraphQL API development to complement REST services and established unit/integration tests with xUnit. Migrated critical database workloads to SQL Server on Azure and optimized in
Senior Software Engineer at Cardinal Health
December 1, 2018 - February 1, 2021
Developed ASP.NET Core microservices using C# and Entity Framework to streamline data access on Cardinal Health's payer platform, supporting millions of member transactions with robust REST API endpoints. Engineered REST APIs with JWT authentication to secure healthcare data exchanges and improve compliance. Introduced React and Angular front-ends, leveraging SignalR for real-time updates and improved user engagement in patient and provider portals. Refined C# backend services with EF and SQL Server, optimizing queries and latency. Constructed CI/CD pipelines using Azure DevOps and Jenkins, automating builds and deployment on AKS with Docker and Helm. Automated infrastructure provisioning with Terraform and Azure, reducing environment setup time. Consolidated Redis caching and ElasticSearch clusters to accelerate data retrieval and search capabilities. Upgraded authentication to JWT-based models and integrated Next.js with C# APIs for server-side rendered experiences. Led architecture
Software Engineer at IE-Tek
June 1, 2015 - November 1, 2018
Designed microservices using ASP.NET Core and C# with SQL Server and EF, building REST APIs and front-ends with Angular/React. Migrated legacy systems to Azure, containerized with Docker and orchestrated with Kubernetes for reliable deployments. Optimized CI/CD pipelines with Azure DevOps to reduce deployment times. Launched containerized microservices with Docker and Kubernetes; established DevOps monitoring and alerting in Azure to enhance uptime. Implemented secure authentication and authorization in REST APIs and contributed to architecture decisions.

Education

Bachelor of Computer Science at Texas Wesleyan University
January 1, 2015 - January 1, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Financial Services, Professional Services, Other