Top Remote C# Jobs in Miami, FL

Develop and maintain internal full-stack applications using C#/Blazor or Python. Build CI/CD pipelines and infrastructure automation with GitLab, Azure DevOps, GitHub, Artifactory, and SonarQube. Partner with cross-functional teams to improve software delivery, code quality, security, compliance, and operational visibility. Implement scalable enterprise solutions, infrastructure as code, secure development practices, and DevSecOps workflows.

Develop scalable test automation frameworks, QA tools, and intelligent testing systems using Playwright, C#, and JavaScript/TypeScript. Integrate automated testing into CI/CD pipelines, build end-to-end, integration, and performance solutions, and apply AI techniques to improve test generation and defect detection. Partner with engineering and QA teams, troubleshoot reliability issues, contribute to test strategy, and mentor colleagues on automation and modern testing practices.

Leads enterprise software architecture and development across multiple product lines, establishes design standards, reviews solutions, troubleshoots complex issues, and provides technical guidance across teams. Supports modernization of on-premise systems and migration to Azure cloud. Partners with engineering and executive leaders on technology strategy, security adaptability, automation, and solution design using agile methods.

Develop cross-platform C++ and Qt software for network device discovery, monitoring, and data collection across Windows and Linux. Build high-performance, concurrent, asynchronous systems that communicate with thousands of devices using SNMP, SSH, ICMP, WMI, and related protocols. Own testing, troubleshoot issues across application, operating-system, and network layers, optimize reliability and performance, and collaborate with backend, UI, QA, and product teams.

Develop and deploy customer-focused web, mobile, and backend applications across the full software stack. Design major features, contribute to architecture decisions, conduct code reviews, and ensure secure, high-quality implementations. Collaborate with stakeholders and cross-functional teams using Agile and SDLC practices. Manage version control, CI/CD, environments, and releases; maintain automated test coverage and perform root-cause analysis. Build and optimize relational data solutions using SQL Server, including complex queries, stored procedures, and performance tuning.

Develop scalable C++ software that defines and enforces endpoint behavior across millions of managed Windows endpoints. Responsibilities include implementing features, improving platform performance, shipping production code, designing new systems, writing architecture documents, defining subsystem contracts, and collaborating with server, UI, product, and design teams. The role requires deep Windows systems and kernel-driver expertise, with preferred experience in WHQL, minifilter or WFP drivers, macOS Endpoint Security, and Linux kernel development.

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Volunteer senior developer to design, build, and maintain a cross-platform medical scheduling app (web, iOS, Android). Participate across the full development lifecycle: design, coding, testing, CI, deployments, code reviews, production support, incident management, and platform architecture. Attend weekly standups and commit at least four hours per week.

Oversee, maintain, troubleshoot, and enhance Fiserv DNA core applications and automation systems. Responsibilities include system analysis, coding, testing, debugging, documentation, upgrades, security, performance monitoring, process automation, vendor liaison support, and collaboration on technology planning. The role also supports cross-functional business needs and ensures reliable application operations within a financial institution.

Design, build, test, deploy, and operate scalable, secure Azure networking software and automation tools. Act as DRI, monitor production, troubleshoot incidents, run root-cause analysis, and drive reliability, performance, and cost improvements. Collaborate with PMs and architects, participate in design/code reviews, mentor engineers, and champion security, privacy, and compliance.

Develop and maintain hyperscale reverse-proxy routing services for Microsoft 365. The role focuses on low-latency routing, performance, resiliency, security, scalability, automated testing, telemetry, safe deployments, and live-site support. Responsibilities include coding, design evaluation, incident response, security and privacy controls, deployment automation, monitoring, and collaboration with partner teams. Engineers use AI tools throughout the software development lifecycle and participate in on-call operations.

Own the networking architecture and roadmap for AKS Flex and Unbounded, enabling secure, reliable, high-performance Kubernetes connectivity across sites, clouds, edge environments, and on-premises infrastructure. Design overlay and underlay networks, routing, encrypted tunnels, eBPF dataplanes, and distributed systems for high-latency and partitioned environments. Integrate InfiniBand and RDMA for AI workloads, lead cross-team architecture efforts, improve global fleet performance and reliability, and participate in production operations and on-call rotations.

Lead architecture and hands-on development of Azure Kubernetes Service capabilities for AI workloads. Design secure, reliable, scalable distributed systems; coordinate engineering teams; define testing and deployment strategies; improve observability and operational readiness; investigate production issues; and mentor engineers while advancing engineering practices.

Lead architecture and development for AKS Flex, scaling etcd and Kubernetes control planes for distributed node fleets. Design remote-node provisioning, lifecycle automation, Kubernetes-native APIs, secure bootstrap, upgrades, and reliability systems across Azure, on-premises, edge, and other clouds. Drive performance testing, production operations, open-source collaboration, technical strategy, cross-team alignment, and mentorship while solving distributed-systems, storage, security, and scalability challenges.

Designs and develops software to automate onboarding, validation, management, tracking, and lifecycle operations for new hardware deployed in Microsoft datacenters. Responsibilities include requirements analysis, system design, coding, debugging, optimization, reliability engineering, monitoring, on-call support, and incident response. The role collaborates with Azure teams and stakeholders while improving scalability, security, availability, observability, and performance across cloud and distributed systems.

Develop and document enterprise-grade SaaS platform functionality while improving quality and performance. Responsibilities include full-stack development, functional and unit testing, defect triage, code reviews, API and process documentation, operational support in regulated environments, and collaboration within Agile and DevOps teams. The role requires expertise in C#, ASP.NET Core, T-SQL, Entity Framework Core, web technologies, software design, debugging, distributed architectures, and high-performance APIs.

Develop and maintain full-stack features for a healthcare analytics platform using Angular, C#, REST APIs, SQL, Snowflake, AWS, and Power BI. Build reports, dashboards, and data pipelines handling claims and other sensitive healthcare data. Participate in testing, code reviews, product planning, on-call support, and compliance with HIPAA and privacy requirements.

Designs and develops scalable, resilient distributed systems and microservices for a cloud-based healthcare platform. The role spans .NET, SQL, Angular, cloud infrastructure, Kubernetes, observability, security, performance optimization, and full-stack development. It provides hands-on technical leadership, architectural guidance, mentoring, incident support, and automation while ensuring compliant handling of PHI and PII data.

Develop and maintain backend software using C# and T-SQL, focusing on import functionality, performance optimization, utility and migration tooling. Responsibilities include test-first development, design and code reviews, debugging, integration and deployment, documentation, collaboration with product management, and on-call support. The role requires strong software engineering practices, scalability and security awareness, regulatory compliance, and independent execution of complex tasks.

Designs, develops, and leads scalable distributed microservices for a cloud-based healthcare platform. Works across .NET, SQL, Angular, Google Cloud, Azure, and Kubernetes while improving reliability, observability, security, performance, and automation. Provides architectural leadership, mentors engineers, handles sensitive PHI and PII, collaborates with stakeholders, and participates in on-call support. The role requires strong system design, troubleshooting, communication, and technical judgment.

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.

Build and maintain large-scale automation and control systems for Azure Kubernetes Service. Responsibilities include improving Kubernetes cluster performance and reliability, automating cluster lifecycle operations, developing safety and observability tools, supporting secure infrastructure changes, participating in production operations and on-call rotations, and mentoring engineers through design reviews and continuous improvement.

Design and operate large-scale, AI-native cloud infrastructure (especially Kubernetes/AKS). Improve service quality, automate incident prevention/remediation, accelerate engineering productivity, and integrate AI tools into development workflows.

Build and operate production-grade software, APIs, workflows, and user experiences for Microsoft’s cloud datacenter inventory and asset management platforms. Responsibilities include translating ambiguous operational needs into technical solutions, applying AI-native engineering practices, improving automation, ensuring reliability and security, and owning features through design, implementation, deployment, monitoring, and continuous improvement. The role collaborates with product, program, datacenter operations, supply-chain, and engineering teams.

Lead and grow an engineering team that designs, builds, and operates hyperscale distributed systems and cloud-native platform services for Azure. Drive technical strategy, architecture, cross-team initiatives, operational excellence, and stakeholder collaboration to deliver scalable, reliable, secure, and observable infrastructure solutions.