Top C# Jobs in Miami, FL

Develop and enhance globally scalable software using .NET, Azure, React, SQL, and RESTful APIs. Implement internationalization for currencies, numbers, time zones, calendars, pluralization, and RTL layouts. Build automated tests, improve infrastructure reliability, participate in agile ceremonies, lead code reviews, and mentor junior developers.

The Senior Site Reliability Engineer maintains resilient, observable SaaS platforms through monitoring, alerting, automation, CI/CD, infrastructure as code, and performance optimization. The role leads incident response, triage, root-cause analysis, and 24/7 on-call operations while applying AI/AIOps for predictive reliability and automated remediation. Responsibilities include supporting cloud infrastructure, Kubernetes environments, production security, database performance, SLOs, SLAs, and continuous improvements in collaboration with software engineering teams.

Leads architecture and development of scalable healthcare applications and distributed systems. Provides technical leadership and mentorship, collaborates with Product and Design, manages software delivery, improves testing and CI/CD, resolves complex technical issues, and oversees cloud infrastructure, databases, deployment pipelines, and production monitoring. Requires hands-on full-stack engineering expertise, cloud and containerization experience, and participation in periodic on-call escalation coverage.

Leads BECU’s API platform strategy, engineering and delivery teams, technology roadmaps, governance, budgeting, vendor partnerships, and agile execution. Oversees scalable, secure APIs using C#/.NET on Azure, GraphQL, and REST; advances API lifecycle standards, CI/CD, quality, security, observability, and cloud-native practices. Builds high-performing teams through coaching, supports modernization initiatives, aligns technology with business goals, and promotes responsible AI-enabled engineering tools.

Develop and maintain Windows-based client and server applications using C# and .NET. Translate high-level requirements into detailed software requirements, implement maintainable production code, and perform comprehensive automated testing. The role uses WPF, Entity Framework, SQL, WCF, REST services, Visual Studio, Git, and Jira, with opportunities to support modernization using Azure, modern .NET, Docker, and cloud security technologies.

Designs and supports embedded software and modern user interfaces for aviation ground support test equipment. Responsibilities include troubleshooting, reverse-engineering, documenting proprietary applications, analyzing technical data, and supporting manufacturing and repair teams. The role requires advanced C, C++, and C# programming, embedded system architecture, multithreading, real-time performance optimization, communication protocols, networking, operating system fundamentals, version control, and collaboration with hardware and software engineering teams.

Lead architecture and write production full-stack code for an AI-powered supply chain platform. Own ABP application architecture, technical design, .NET standards, reliability, performance, observability, security, and major framework upgrades. Deliver features using C#, ASP.NET Core, Angular, and TypeScript while mentoring engineers and coordinating technical priorities with engineering and product leadership. The role supports AWS GovCloud and regulated government environments and requires eligibility for US security clearance.

Lead architecture and write production full-stack code for an AI-powered supply chain platform. Own ABP application architecture, technical design, .NET standards, security, reliability, performance, observability, upgrades, and technology selection. Develop with C#, ASP.NET Core, EF Core, PostgreSQL, Angular, and TypeScript while collaborating with engineering and product leadership. The role also involves mentoring, technical delivery across teams, and building secure systems for AWS GovCloud and government customers.

Own and improve Dropbox’s Windows endpoint platform, including provisioning, application delivery, patching, compliance, security configuration, troubleshooting, fleet health, and automation. Build code-managed endpoint operations using Intune, FleetDM, osquery, infrastructure-as-code, and GitOps practices. Lead cross-functional improvements, establish reliable deployment workflows, mentor engineers, review code and designs, and document reusable operational practices.

Lead architecture and execution across agentic AI systems, GCP cloud modernization, distributed systems, headless CMS platforms, and .NET migrations. Design multi-agent workflows, cloud-native infrastructure, CI/CD and observability practices, security guardrails, and legacy-system transition strategies. Collaborate with external engineering and cloud partners, review their delivery, establish operational handoffs, and guide internal teams toward scalable, secure enterprise platforms.

Deploy production software alongside military operators in restricted and air-gapped environments. Integrate core and simulation platforms with partner C2 systems and databases, write scripts, transform schemas, debug distributed systems, analyze logs, isolate failures, and convert recurring field workarounds into reusable product capabilities. Brief engineers and senior military stakeholders while translating mission needs into technical solutions.

Designs and evolves AWS infrastructure as code using CDK, develops backend software primarily in TypeScript, and applies secure engineering practices for regulated environments. The role contributes to architecture, code reviews, CI/CD pipelines, production support, observability, and on-call operations. It collaborates cross-functionally, builds scalable and reusable systems, supports SOC 2 compliance, and uses AI coding assistants to improve development, testing, and documentation.

Develop and maintain C#/.NET software for electric and gas distribution engineering tools. Implement features, fixes, integrations, tests, and CI/CD automation while configuring enterprise systems for customer needs. Collaborate in Scrum, participate in reviews, reduce technical debt, document processes, and mentor teammates. The role may involve GIS or Enterprise Asset Management integrations and requires strong software development experience in utility or energy infrastructure environments.

Design, develop, test, deploy, and maintain scalable software applications using C++, C, Java, Python, and C#. Collaborate with product managers, designers, and engineers on requirements and architecture. Maintain code quality, performance, and security; automate workflows with scripting; manage Git repositories; contribute to Android applications; and participate in code reviews, troubleshooting, and debugging.

Leads architecture, development, testing, and deployment of hyperscale distributed storage systems optimized for AI and machine learning workloads. Drives innovations in scalability, performance, security, durability, and efficiency; collaborates with AI and cloud infrastructure teams; mentors engineers; and evaluates emerging technologies for AI-native storage.

Designs and delivers secure, scalable Azure data and AI solutions for customers. Leads architecture sessions, roadmaps, proofs of concept, production deployments, migrations, and performance optimization across SQL Server, Azure databases, Fabric, Power BI, Databricks, and AI platforms. Acts as a trusted technical advisor, resolves deployment blockers, presents solutions to executives, and applies Microsoft best practices, responsible AI principles, and repeatable delivery frameworks.

Develop game mechanics and unit tests using Unity and C#. Build scalable, maintainable game framework architecture and APIs, optimize technical performance, and troubleshoot distributed systems. Collaborate with game design, quality assurance, and cross-functional engineering teams using agile development, source control, and code reviews. Incorporate player feedback into application improvements and feature development.

Develops and maintains full-stack web applications, including front-end interfaces, back-end services, APIs, servers, and databases. Designs scalable solutions handling large datasets, optimizes SQL and database performance, troubleshoots complex defects, and supports architecture, testing, releases, and code reviews. Converts a complex 4D application to an ASP.NET MVC web application while integrating with existing systems. Provides technical guidance and mentorship to junior developers in a clinical and medical environment.

Develop, design, integrate, test, and maintain software for radiation therapy medical devices. Build treatment-planning systems, implement automated tests, troubleshoot issues, contribute to architecture and requirements, and support high-performance computational solutions. Collaborate across software, systems, testing, product, and clinical teams while following rigorous quality and regulatory processes. Some travel under 10% may be required.

Lead the design and development of scalable .NET services and APIs for a real-time trading platform. Own systems through production, contribute to architecture and observability, support incident response, mentor engineers, and drive cross-team technical initiatives. Collaborate with product and design while occasionally contributing to React and TypeScript frontend development. Build reliable, high-throughput distributed systems and improve engineering standards, tooling, testing, and operational excellence.

Design, develop, and maintain scalable billing and invoicing systems using C# and PHP. Lead architecture, code reviews, mentoring, CI/CD improvements, monitoring, database optimization, security, and PCI DSS compliance. Use Claude and Cursor in daily development while validating generated code for correctness, security, performance, and maintainability. Collaborate across Product, Engineering, QA, and support teams to deliver reliable payment-processing services and resolve complex technical issues.

Provides advanced application support and engineering-level troubleshooting across enterprise platforms. Diagnoses incidents, performs data analysis and debugging, implements configuration changes and development fixes, and owns issues through resolution and documentation. The role identifies systemic problems, improves processes, supports automation, partners with development teams, and guides Level I engineers. Hands-on C# and .NET development experience is required, along with application support or development experience and knowledge of SQL, integrations, and related technologies.

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.

Build and maintain full-stack capabilities for Octane’s loan servicing ecosystem using Python, Django, PostgreSQL, and React. Design scalable APIs, data-integrity safeguards, and user interfaces; write automated tests; troubleshoot complex bugs; optimize performance; participate in code reviews; collaborate cross-functionally; and mentor junior engineers while using AI-assisted development tools.

Leads and develops a globally distributed engineering team while shaping technical strategy, modernizing a SaaS platform, and building scalable solutions with .NET, React, APIs, and cloud technologies. Responsibilities include mentoring engineers, influencing architecture, improving CI/CD, reliability, delivery practices, and advancing responsible AI adoption across engineering.