Top .NET Developer Jobs in San Antonio, TX

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Designs, develops, tests, debugs, and maintains scalable software applications using C#, .NET, Angular, and SQL Server. Collaborates with business analysts, product owners, QA, and development teams to translate requirements into solutions. Participates in code reviews, integration, deployment, documentation, Agile ceremonies, secure coding practices, defect resolution, and project estimation.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Develop and maintain C#/.NET and AWS backend services processing high-volume healthcare EDI transactions. Parse and transform X12 documents, optimize SQL Server stored procedures, manipulate XML data, and troubleshoot complex transaction issues. Design enterprise applications, contribute to shared services, participate in agile development and code reviews, deploy and support production systems, and apply testing, CI/CD, DevOps, and cloud-native engineering practices.

Develop and maintain C#/.NET backend services and AWS cloud-native systems processing high-volume healthcare EDI transactions. Responsibilities include parsing X12 documents, developing APIs, optimizing MSSQL stored procedures and XML data operations, supporting production applications, conducting code reviews, and contributing to agile planning, testing, CI/CD, and reusable platform services. The role also requires troubleshooting complex transaction issues and collaborating with healthcare payers, clearinghouses, and trading partners.

Develop and maintain a distributed CAD-to-CAD software solution using .NET and C#. Responsibilities include designing, coding, documenting, testing, debugging, and optimizing multithreaded server applications; managing web services, databases, installations, monitoring, and upgrades; and performing unit, load, fault, and automated functional testing. The role also involves client communication, technical documentation, proposal support, training assistance, and occasional onsite travel.

Lead the design, architecture, development, deployment, and optimization of scalable .NET backend systems processing millions of daily healthcare transactions. Mentor developers, guide technical decisions, improve CI/CD pipelines, implement secure APIs, and collaborate with product stakeholders. The role requires expertise in .NET, C#, ASP.NET Core, cloud-native AWS services, Kubernetes, microservices, distributed systems, testing, observability, and secure software development.

Lead end-to-end development of secure, scalable web applications and data solutions supporting clinical trial operations. Design frontend and backend components using C#/.NET, Angular, AWS, and relational or non-relational databases. Guide architecture, testing, deployment, CI/CD, security, cloud optimization, and regulatory compliance. Mentor developers, oversee technical delivery, troubleshoot complex issues, and lead migration and modernization of on-premises applications to AWS.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Develop and maintain backend services and RESTful APIs using C# and .NET. Design and optimize MySQL schemas and queries, troubleshoot production and staging issues, improve performance and scalability, document architecture, and uphold code quality and security. Collaborate with cross-functional teams in a fully remote environment while contributing to development best practices and continuous improvement.

The .Net Developer will enhance and improve websites using .Net MVC and C# with 5 years of experience required.

The .NET Developer will design and develop applications for PC/tablet devices, focusing on web and UI development using .NET technologies, SQL Server, and Agile methodologies.

.Net Developer responsible for web and application development using ASP.NET and C#. Requires understanding of application architecture and knowledge of web services and design principles.

The C# / .NET Developer will design and maintain middleware applications, build Shopify integrations, and support a mobile app backend in a remote work environment.

Develop and maintain InfoTrack's cloud-based web solution: build backend C#/.NET services, integrate third-party SOAP/REST APIs, design databases, implement full-stack features (React/JS), follow microservices patterns, write tests, collaborate in Agile teams, and recommend product and usability improvements.

Develop and architect scalable cloud-based software for an IoT asset-tracking platform. Responsibilities include translating business requirements into technical designs, leading complex feature development, mentoring engineers, conducting code reviews, promoting engineering best practices, evaluating distributed-system trade-offs, and collaborating with product, operations, and customer success teams.

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Seeking a Senior Software Engineer to design and implement multimedia data systems using C# and .NET Core. Responsibilities involve developing high-performance applications, collaborating with teams, and driving engineering excellence in an Agile environment.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

Seeking a .Net Developer with experience in .Net MVC framework and SQL Server for a 6-month contract-to-hire position.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.