Top Senior C# Jobs in Miami, FL

The Sr. Software Engineer designs, implements, and maintains scalable cloud services, contributes to team processes, and acts as a subject matter expert while leading projects and mentoring others.

Design, implement, and improve significant features in HCSS products. Analyze product architecture and databases for ROI-driven improvements. Lead code reviews, mentor junior developers, collaborate to enhance infrastructure, reliability, and CI/CD practices.

The Senior Software Engineer will lead projects for the Forms platform, designing and building features across web, mobile, and backend systems while mentoring other engineers and improving platform scalability and reliability.

Own reliability, automation, and DevOps for Coinbase's corporate IAM platform: on-call/incident response, CI/CD and IaC pipelines, identity lifecycle tooling, observability and disaster recovery, documentation, and cross-team IAM advisement to ensure secure, scalable access for a global workforce.

Lead design, development, and maintenance of scalable .NET web and Windows applications. Build RESTful APIs, integrate front-end frameworks, collaborate with cross-functional teams, drive architectural decisions, perform code reviews and testing, and support deployments and backlog reduction for the eApp portfolio.

The Staff Software Engineer will enhance video capabilities, support live streaming and storage infrastructure, and collaborate on platform development. Responsibilities include coding, mentoring, and ensuring platform reliability for millions of users.

As a Lead Software Engineer, you'll design and develop GenAI platforms, integrate LLMs, mentor engineers, and solve technical challenges for scalable solutions.

As a Senior Software Engineer, you'll develop and build tools for creative projects while leading feature development and collaborating with teammates.

Lead high-complexity technical implementations as a Senior Solutions Architect, providing architectural guidance and designing scalable solutions with a focus on API integrations and enterprise data ecosystems.

The Market Data Engineer will design and implement high-performance market data systems, focusing on trading infrastructure, performance optimization, and system resiliency.

As a Senior Software Engineer, you will design and implement backend systems for Iru's Identity product, focusing on security, reliability, and scalability while working autonomously and engaging in critical architectural decisions.

The IT Application Development Technical Lead oversees the design and delivery of applications, leading governance frameworks, resolving technical issues, and managing SharePoint administration and imaging platforms.

The Software Development Manager will lead a team of developers and testers, oversee the SDLC, manage scrum activities, and drive best practices in web development.

Lead design and development of native Windows desktop applications. Define best practices and drive accessibility efforts while collaborating with cross-functional teams on feature planning and implementation.

The Lead Software Engineer in Test will own test automation strategy, design automation frameworks, integrate testing into CI/CD, and mentor QA engineers to enhance quality across engineering processes.

Lead automation and systems development initiatives using Jira, BPM tools, and OutSystems. Oversee design, development, and deployment of .NET applications and AWS infrastructure. Collaborate with cross-functional teams to identify automation opportunities, ensure system performance and security, mentor developers, and manage project timelines and stakeholder communications.

Design and own AI-agent-driven test workflows and the automated verification framework. Build test context, select models and tooling, validate AI-generated code and tests, operate test automation across UI/API/mobile/data, ensure security and compliance, mentor teams, and continuously improve agent orchestration and observability.

Design and develop full-stack features, focusing on backend systems with some frontend work, while modernizing applications and integrating AI tools.

Design and implement AI-powered educational software, focusing on generative AI systems, mentor peers, and ensure scalable, secure architecture.

The Senior Software Development Engineer will modernize a healthcare payer application using .NET and Angular, integrate AI models, and mentor junior engineers while working independently on complex tasks.

Build and maintain C#/.NET Revit add-ins and Revit-integrated desktop apps that export model data to the Stratus platform. Solve Revit-specific challenges (version compatibility, threading, performance), integrate with backend services (Azure ServiceBus), manage installers/updates, triage customer bugs, write tests, and collaborate with product and customer teams. Use AI-assisted dev tooling as part of the development workflow.

Lead frontend development of production web applications using Svelte and other frameworks. Build reusable components, integrate REST/GraphQL APIs, ensure UI/UX quality, accessibility, and performance. Lead a small team, coordinate releases with QA, write tests, follow Git and CI/CD workflows, and collaborate remotely with stakeholders across the US.

Design, build, and maintain RESTful, SOAP, and GraphQL APIs; integrate third-party services and databases; implement OAuth2/JWT authentication; optimize performance with caching and load-balancing; document APIs; use Postman/Swagger/OpenAPI/SoapUI; work with cloud platforms, containerization, automated testing, and SQL/NoSQL databases.

Develop and maintain .NET Core trading systems for Linux with service-oriented architecture and multi-threaded processing. Implement async, lock-free structures and distributed systems, write unit and integration tests, optimize SQL queries, design data structures and algorithms, and work with communication protocols (SignalR, gRPC, HTTP). Use PostgreSQL, Docker, and AWS in the deployment stack.

Design, implement, and maintain cloud-native NICE CXone contact center solutions, build API-based integrations, develop CXone Studio scripts, perform unit/system testing, lead stakeholder discovery, present technical solutions, and uphold development and operational best practices.