Top .NET Developer Jobs in Tampa, FL

Develop and maintain scalable full-stack applications using C#, .NET Core, React, REST APIs, and microservices. Responsibilities include feature development, automated testing, database integration, performance optimization, security implementation, troubleshooting, documentation, code reviews, customer support, and vendor integration. The role collaborates with product, design, QA, DevOps, and support teams while mentoring junior developers and contributing to Agile development practices.

Designs, builds, and maintains enterprise data APIs using .NET; architects scalable API and database solutions; integrates MongoDB, PostgreSQL, MySQL, OpenSearch, and Kafka; documents APIs with OpenAPI; supports API catalog and developer portal initiatives; advances AI-assisted development; troubleshoots production systems with Grafana; remediates vulnerabilities using SAST, DAST, and OWASP practices; and coordinates requirements, estimates, and delivery planning across teams.

Software Engineering Intern assisting with application development, testing, debugging, documentation, and deployment using C#, ASP.NET, and .NET Core. The role involves collaborating with senior developers throughout the software development lifecycle, troubleshooting issues, writing maintainable code, and building practical software engineering skills. Candidates must have a completed bachelor’s degree and foundational knowledge of web development, databases, object-oriented programming, and software development principles.

Develop and maintain web applications using .NET, Angular, JavaScript, and related technologies. Build microservices, APIs, database schemas, automated workflows, and scalable integrations. Translate business requirements into technical solutions, manage SDLC and code promotion artifacts, support UAT, resolve defects, and maintain compliance. The role also involves application analysis, security recommendations, deployment automation, and collaboration with business and technology teams.

Develop and maintain secure C#/.NET applications, database integrations, APIs, and data migration solutions supporting VA healthcare modernization. Responsibilities include troubleshooting, testing, performance optimization, deployment, Agile collaboration, security validation, and exploring AI-assisted development and LLM integrations. The role requires collaboration with architects and multidisciplinary teams on interoperability and enterprise modernization initiatives.

Leads the design, development, and implementation of secure, scalable enterprise applications. Responsibilities include architecture alignment, complex problem resolution, coding standards, testing, CI/CD, deployment, risk governance, and mentoring developers. The role requires deep expertise in C#, .NET, SQL Server, microservices, high-performance systems, containerization, and enterprise architecture, with preferred experience in messaging platforms, financial protocols, APIs, and Agile delivery.

Develop and maintain secure C#/.NET applications and data integration solutions supporting VA healthcare modernization. Responsibilities include database and API development, troubleshooting, testing, performance optimization, Agile collaboration, CI/CD, application security, production support, and technical documentation. The role also evaluates AI-assisted development tools and LLM integrations for code generation, testing, data mapping, and migration workflows.

Develops and maintains data engineering solutions using .NET technologies. The job description provides no additional responsibilities or qualifications.

Own ToolHound’s technical and product roadmap, architecture, code quality, security, data, performance, releases, and AI-native product development. Lead modernization of its mature .NET platform, ship production AI features safely in a multi-tenant environment, improve velocity and reliability, and mentor the engineering team. Partner with the GM, customers, operators, and business stakeholders to prioritize work, communicate clearly, and increase the platform’s enterprise value.

Develop web-based applications supporting an expanding e-commerce business. Responsibilities include writing C# and .NET code, building applications with ASP.NET MVC, collaborating with developers, and using Visual Studio, Git, unit testing, integration testing, and build-server workflows. The role is remote but limited to candidates living in Florida, Georgia, Nevada, Ohio, Tennessee, or Texas.

Develops, tests, deploys, maintains, and improves .NET web applications for a federal government client. Translates user stories into software, designs application components and data models, develops vendor interfaces, performs code reviews, monitors system metrics, and creates technical and user documentation. The role participates in Agile processes, supports reporting requests, maintains existing systems, and contributes to software delivery and continuous improvement. Candidates need at least two years of .NET development experience and must be able to obtain Public Trust clearance.

Own and evolve Swyfft’s partner-facing insurance API, including resource design, versioning, backward compatibility, authentication, rate limiting, error handling, metrics, documentation, and contract testing. Build production C# code, maintain the translation layer between public APIs and internal systems, support partner integrations, and collaborate with QA and product. The role requires substantial public API experience, strong API security and multi-tenancy knowledge, and fluency in C#, ASP.NET Core, SQL Server, and Azure.

Develops and maintains custom software applications using .NET technologies. Responsibilities include software design, coding, debugging, testing, troubleshooting, and participation throughout the software development lifecycle. The role works independently and collaboratively on moderately complex projects, may guide other engineers, and requires expertise in web-based and client/server systems. Some travel, up to 15%, is expected.

Designs, develops, maintains, and troubleshoots scalable software applications using .NET, SQL Server, UI frameworks, and cloud technologies. Collaborates with product owners, developers, testers, and technology leads; participates in code reviews; writes documented code; and improves software development practices.

Build and support complex features across C#/.NET back-end services and React front ends. Responsibilities include technical design, API and data modeling, secure and tested coding, production troubleshooting, code reviews, mentoring, documentation, and improving engineering practices. Collaborate with Product, QA, DevOps, Technical Leads, and architecture teams while balancing delivery, maintainability, performance, accessibility, observability, and security.

Develops and maintains responsive web applications using .NET, ASP.NET, Angular, JavaScript, and related technologies. Designs microservices, APIs, database schemas, and automated workflows; collaborates with business and technology teams to translate requirements into solutions. Manages SDLC artifacts, code repositories, deployments, UAT, defect resolution, security measures, and operational support. Requires independent judgment, strong application development expertise, and familiarity with DevOps, CI/CD, automation, containers, and AI fundamentals.

Leads architecture and development of complex backend services for a commercial health plan platform. Designs .NET Core and Azure systems, develops claims, eligibility, and benefits functionality, manages healthcare data integrations, and owns cloud infrastructure and CI/CD architecture. Provides technical leadership through code reviews, testing standards, mentoring, and architecture decisions while ensuring performance, reliability, security, and regulatory compliance.

Leads the design, development, architecture, and implementation of high-throughput enterprise applications using .NET and C#. Responsibilities include resolving complex technical issues, developing event-driven microservices, enforcing architecture and security standards, managing CI/CD and deployments, mentoring engineers, and delivering secure, scalable, highly available systems. The role also requires database engineering, containerization, technical leadership, cross-functional collaboration, and risk governance.

Develop and optimize Microsoft .NET applications, legacy systems, and microservices with a focus on performance, scalability, reliability, and observability. Responsibilities include code reviews, performance testing, CI/CD integration, architecture and sprint delivery, legacy code and SQL tuning, cloud application deployment on Azure, automated testing, and resolving customer issues. The developer collaborates with architects, QA, technical support, and cross-functional teams using SAFe Agile practices.

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 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.

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.

Leads the design, development, and implementation of full-stack applications using C#, .NET, Angular, Azure, and SQL Server. Collaborates with cross-functional teams, ensures application security, performance, and scalability, applies Git-based version control practices, mentors developers, and stays current with emerging technologies.

Build and maintain scalable, cloud-native APIs and high-value core system components using .NET and related technologies. Lead software architecture and testing discussions, enhance core offerings, collaborate cross-functionally, and ensure quality through code reviews, unit testing, functional testing, telemetry, and performance tuning. Mentor teammates and contribute to continuous technical and process improvement.