Top C# Jobs in Miami, FL

Partner with clients to design, develop, modernize, and support production full-stack applications using .NET/C#. Lead feature delivery from discovery through deployment, contribute to architecture and DevOps practices, improve engineering quality (TDD, CI/CD, IaC), and mentor client teams to leave them better equipped to maintain and evolve software.

Design, develop, and operate distributed services for Azure Storage geo-replication. Improve durability, regional resiliency, failover readiness and disaster recovery. Collaborate across teams, analyze telemetry, diagnose production issues, act as a DRI, and leverage AI-assisted engineering tools to improve productivity and reliability.

Design, build, and maintain Azure-hosted web portals, CRM integrations, and the Argus EDI platform. Implement full-stack features (UI, API, data), integrate AI/automation, participate in Azure architectural decisions, and collaborate across TPA stakeholders to deliver scalable production solutions.

Own end-to-end full‑stack feature delivery for a CCM/GRC SaaS platform: design, implement, test, deploy, and maintain frontend (Angular), backend (.NET/C#/Python) services, and data layers (Postgres/SQL Server). Mentor juniors, participate in code reviews, collaborate across engineering functions, and ensure platform reliability and performance.

Lead a cross-functional agile engineering team while remaining hands-on in architecture and coding. Mentor engineers, coordinate with Product and QA, improve delivery practices, CI/CD, operational reliability, and cloud-based systems, and drive modernization and engineering standards.

Design and implement cloud-based solutions with customers; write and reuse code, produce design documents, decompose and estimate work, act as on-call DRI to monitor and restore services, collaborate with cross-functional teams, contribute to open-source, and stay current with engineering best practices.

Design, prototype, and validate emerging-technology solutions for enterprise use. Collaborate with engineers, data scientists, and stakeholders to run experiments, build scalable prototypes, integrate data, evaluate AI/platforms, and prepare pilots for production handoff while following governance and security standards.

Join Hone as a Quality Engineer II to own testing and automation for small features and bugs. Write and maintain test cases and reliable Playwright and API tests, chase flaky tests, run exploratory checks, produce clear bug reports, use AI-assisted tooling responsibly, and follow patient-data guardrails.

Design, develop, test, and deploy healthcare software using ASP.NET/C#, .NET Core, SQL, and JavaScript. Collaborate with clinical and product teams to gather requirements, maintain secure, HIPAA-compliant systems, improve performance, and use Git for version control and CI/CD support.

Develop, test, and maintain healthcare applications; analyze healthcare data and translate clinical/administrative needs into technical specifications; troubleshoot and resolve system issues; ensure HIPAA-compliant data security; document processes and support system upgrades, testing, and deployment to improve care delivery and operational efficiency.

Lead technical delivery and integration of RightCrowd solutions: gather technical requirements, configure and implement systems, perform UAT, troubleshoot Windows/SQL/AD/IIS, provide level-3 support and mentor junior staff.

Design and implement runtime protocols, formats, and systems to capture, serialize, stream, and replay interactive 3D content across engines. Own C++ runtime and C# APIs across editor, build, simulation, streaming, and playback. Optimize for low-latency, determinism, memory and bandwidth constraints, and build AI interfaces for inspecting and invoking engine state.

Lead design and implementation of modernized insurance underwriting and policy administration solutions. Drive cloud transformation, data-driven and secure architectures, improve risk selection and claims resolution, enhance customer experience through automation, mentor technical teams, manage client relationships, and oversee project lifecycle, budgets, and delivery quality.

Lead design and implement large-scale backend storage features for Backblaze's object storage platform, focusing on host-managed SMR support, IO benchmarking and performance optimization, driving technical decisions, mentoring, and delivering production rollouts across thousands of servers.

Work on Backblaze's storage platform (B2 Object Storage and Computer Backup) to improve durability, throughput, and architecture. Lead technical design, drive implementation of large features, shape coding practices, and participate across design, implementation, testing, and rollouts while collaborating proactively in a remote-first team.

Provide L2/L3 support and enhancements for Microsoft Dynamics workloads; build and maintain Azure Functions and integrations; manage CI/CD with Azure DevOps; triage and remediate cloud vulnerabilities daily; support DR readiness, performance tuning, and controlled releases to production.

Design, develop, and operate monitoring and observability solutions for flagship supercomputers. Build data pipelines to process large telemetry and logs, respond to incidents, implement mitigations, write postmortems, and improve reliability, performance, and operational runbooks at scale.

Lead a team of software engineers to deliver backend services, platform components, automation, observability, and AI-assisted tooling. Own end-to-end delivery, architecture, testing, and operational readiness. Drive engineering standards, cross-functional collaboration, hiring, coaching, and continuous improvement with emphasis on security, reliability, and scalable platform patterns.

Lead design, development, and implementation of full-stack applications using .NET and Angular. Collaborate with teams to gather requirements, ensure security, scalability, and performance on Azure, manage SQL Server databases, use Git for version control, and mentor engineering teammates while adopting best practices and emerging technologies.

Design and implement scalable, highly available Azure Storage backend components. Maintain and automate storage repositories and DevOps pipelines, improve test automation, troubleshoot deployments and networking, act as on-call DRI for reliability, and collaborate on design and operational improvements.

Develop and maintain Tailscale's Windows client and contribute to cross-platform client and backend code. Build UI and platform integrations using WinUI/Windows native frameworks, write unit and integration tests, implement Windows platform features while preserving compatibility, and collaborate asynchronously across a distributed engineering team.

Design, build, and maintain applications, APIs, and services for Magna's Jury Consulting business; partner with stakeholders to translate requirements; contribute to architecture, CI/CD, testing, DevOps, production reliability, and AI-assisted development; mentor engineers and evaluate emerging technologies.

Lead design and delivery of scalable, secure lending and credit card solutions. Drive cloud-first modernization (Azure/cloud), API and integration strategy, production stability, prototypes, and mentor engineering teams while influencing enterprise architecture and business-aligned technical direction.

Analyze, transform, and migrate JCL-based mainframe batch workloads to Azure or distributed platforms. Troubleshoot JCL jobs, analyze Control-M/Atomic schedules and CICS environments, convert JCL to PowerShell, automate and optimize batch jobs in Azure, document requirements, and collaborate across cross-functional teams using Agile practices.

Lead design and delivery of Microsoft Dynamics 365 and Power Platform solutions including requirements gathering, architecture, integrations, customizations, data migration, and full project lifecycle implementation. Collaborate with clients and technical teams, mitigate risks, refine specifications, improve delivery processes, and travel to customer sites for demos and meetings.