Top Senior C# Jobs in Miami, FL

Hands-on technical lead responsible for migrating a legacy VB.NET Web Forms system to ASP.NET Core, owning architecture, releases, security hardening, CI/CD, and mentoring an engineering team. Drive phased migration, coordinate cross-team dependencies, improve DevOps pipelines, enforce secure SDLC, and actively contribute to development and code reviews.

Senior Software Engineer responsible for developing complex features, mentoring junior engineers, collaborating on technical direction, and adhering to best practices in software delivery.

Architect and modernize ReliaSoft Cloud and desktop products by driving cloud-native design, DevOps/platform engineering, CI/CD automation, and integrating AI/LLM capabilities. Guide security, scalability, API strategy, and mentor engineering teams to improve reliability, performance, and developer productivity.

Lead the design, development, and deployment of digital identity solutions for state governments, ensuring effective technology implementation and customer success.

Lead technical strategy and architecture for public sector digital identity solutions, ensuring technical excellence and customer success with hands-on involvement and high-level interactions.

Lead a hands-on engineering team building shared backend and cloud platform services. Architect, code, and ship high-volume REST APIs and reusable libraries, drive secure SDLC and CI/CD, mentor engineers, and promote AI-augmented delivery practices.

As a Staff Software Engineer, you'll enhance and scale AI-driven credit card platforms, collaborate on technical strategies, and optimize systems for growth.

The Senior Backend Engineer at Weave will design, build, and maintain scalable backend services and APIs, influencing architecture and outcomes while collaborating across teams to enhance healthcare technology.

Lead and manage engineers to design, build, and maintain production backend game services (sessions, matchmaking, progression). Diagnose incidents, participate in on-call, collaborate with cross-discipline teams, and produce clear technical documentation.

Improve and maintain automated build systems for a game team. Develop build software (Unreal Engine 5, primarily C#), monitor CI/CD health, provision on‑prem and cloud build resources, troubleshoot build failures, enable internal workflows, and collaborate with release and test teams to publish builds and test results.

Provide technical and architectural leadership to the software development team, design software solutions, mentor team members, and drive projects to completion.

Design, build, and maintain backend workflow orchestration and state management for analyzer integrations on the ECL platform. Modernize legacy .NET systems, ensure reliable event-driven operations, collaborate with integration, infrastructure, and QA teams, and preserve workflow behavior during knowledge transfer.

The Lead Generalist Programmer will lead and mentor engineering teams in game development, working hands-on with Unity and Unreal, and ensuring best practices in coding and optimization.

As a Deployed Customer Engineer, you serve as a technical partner, implementing Couchbase solutions and collaborating with customers to achieve technical milestones and business outcomes. Responsibilities include coding, database architecture design, and troubleshooting deployment challenges.

Designs, develops, and deploys AI-driven, cloud-native applications on Azure. Builds RAG knowledge systems, AI agents, secure APIs, and orchestrated workflows using C#, .NET, Azure services, Docker, and CI/CD. Collaborates with stakeholders, ensures observability and security, supports production incidents, and provides documentation and knowledge transfer.

Lead full-stack developer responsible for designing, building, and maintaining Salesforce Commerce Cloud e-commerce solutions and integrations (ERP/CRM). Mentor junior developers, provide technical leadership, troubleshoot issues, and deliver scalable, secure code while collaborating with cross-functional teams.

Build and optimize a low-latency, high-throughput analytics engine for HFT. Implement market-microstructure research, execution cost models, and order-flow analytics with HPC techniques and modular plugin-based architecture.

Build and optimize low-latency, high-throughput analytics for HFT environments. Implement financial research (execution cost models, order flow analytics), architect modular plugin systems, and perform HPC tuning (parallelization, memory layout, zero-GC) to power real-time microsecond-resolution trading diagnostics.

Design, develop, and maintain scalable web applications using .NET backend and Angular/React frontend. Collaborate on requirements, implement RESTful APIs, optimize performance, debug, maintain documentation, support end-users, and work within CI/CD and DevOps workflows.

Design, develop, customize and integrate Microsoft Dynamics 365 CRM/CE solutions. Build entities, forms, workflows, plugins, reports and dashboards using CRM SDK, C#, JavaScript, ASP.NET and SQL. Troubleshoot issues, estimate implementation approaches, collaborate with stakeholders, document solutions, and mentor junior developers. Banking domain experience preferred.

Lead engineering teams to develop and optimize .NET and Salesforce applications, driving architectural standards and ensuring project delivery while managing a cross-functional team.

Design, develop, and support Dynamics 365 and Power Platform solutions (Model-Driven Apps, Dataverse). Build server-side plugins and integrations with C#/.NET, implement client-side JS and PCF controls, create data integrations, manage Git-based CI/CD, troubleshoot production issues, and maintain technical documentation.

Design, develop, and maintain scalable software applications with a UI focus. Collaborate with product owners, tech leads, testers, and developers; participate in code reviews; write clean code; troubleshoot defects; improve development processes; and stay current with emerging technologies.

The Senior .NET Developer will work on developing and maintaining applications, mentor junior developers, and ensure compliance with regulations. The role requires expertise in full-stack development, particularly with SQL Server databases and Azure.

The Senior Software Engineer designs and develops software applications, optimizes APIs and databases, collaborates with teams, and ensures code quality through various testing practices.