Top C# Jobs in Miami, FL

Design, build, and operate enterprise applications, APIs, integrations, and distributed event-driven systems using C#/.NET, React, cloud platforms, and messaging technologies. Integrate business systems, implement resilient architectural patterns, add AI capabilities, and support CI/CD, observability, security, and production troubleshooting. Collaborate with stakeholders and engineers, contribute to technical standards, lead projects when needed, and deliver reliable solutions across engineering, manufacturing, supply chain, and finance functions.

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.

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.

Leads architecture and hands-on development of scalable backend systems and APIs supporting real-time applications. Owns the engineering lifecycle, writes high-performance code, establishes testing and reliability practices, resolves production issues, guides technical roadmaps, collaborates cross-functionally, and mentors engineers. The role requires expertise in object-oriented backend development, distributed cloud systems, automated testing, system monitoring, and technical leadership.

Design and evolve the architecture of DraftKings’ regulated prediction-markets exchange. Own the technical roadmap, distributed-system foundations, scalability, reliability, performance, operational health, and resilience testing. Collaborate with product, infrastructure, platform, brokers, market makers, and clearing partners. Contribute hands-on to critical systems, guide design standards, mentor engineers, and implement AI tooling and guardrails for engineering 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.

Develop and modernize county permitting applications by migrating legacy systems to .NET and Oracle platforms. Build C# MVC applications, JavaScript interfaces, Oracle database solutions, SSIS ETL packages, SSRS reports, and secure REST/SOAP integrations. Implement workflow automation, online submissions, invoicing, payments, and ECM integration while maintaining data integrity and regulatory compliance. Collaborate with county analysts, business users, vendors, and cross-functional teams in a hybrid Miami-area environment.

Designs, develops, deploys, and maintains secure enterprise applications supporting AI initiatives. Builds .NET and SQL Server solutions using Domain-Driven Design, manages Azure DevOps CI/CD pipelines, automates with PowerShell, and supports Linux, Windows Server, and Docker environments. Contributes to architecture, testing, troubleshooting, documentation, and production support while mentoring developers and collaborating with product, business, and QA stakeholders.

Develops and maintains production test processes for RF and microwave components. Responsibilities include product transfers, test fixture and board design, RF troubleshooting, SMT process optimization, test data analysis, root-cause investigation, automation, documentation, and technician training. The role supports high-volume electronics manufacturing and requires hands-on use of RF test equipment, PCB troubleshooting, and RF performance analysis.

Leads software engineering direction, mentors developers, defines team roadmaps, architects and scales cloud-based systems, and owns production health. Designs integrations, writes and reviews code, implements testing, improves performance, manages observability and deployments, addresses security findings, and documents technical solutions. Requires strong cloud architecture, software development, relational data modeling, REST APIs, frontend practices, CI/CD, debugging, and Agile leadership experience.

Develop and maintain software systems, integrations, APIs, and reusable components. Collaborate with product, QA, design, and engineering stakeholders; write tested, secure, maintainable code; participate in code reviews, deployments, incident triage, observability, and production support. Diagnose bugs and performance issues, document delivered features, contribute to technical roadmaps, and support SOX controls. Work with cloud platforms, microservices, containers, relational databases, front-end frameworks, REST APIs, Git, and CI/CD pipelines.

Lead client cloud architecture engagements, design and implement scalable AWS infrastructure, and guide re-platforming and modernization initiatives. Build Infrastructure as Code, observability, monitoring, automation, and security solutions using AWS and partner tools. Lead cross-functional teams, establish runbooks, conduct code reviews, coach engineers, engage clients, and support continuous improvement. The role also involves technical presentations, documentation, vendor relationships, open-source contributions, and occasional travel.

Own backend services from design through production support, solve ambiguous technical problems, improve reliability, build automation, and contribute to architecture and technical decisions. The role involves developing secure software in a regulated healthcare environment, debugging production issues, writing tests, mentoring engineers, and using modern cloud, deployment, observability, and AI-assisted development tools.

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.

Provides technical leadership for Azure SQL databases supporting a highly available Azure service. Responsibilities include database performance tuning, reliability and capacity planning, schema changes, data migrations, observability, incident response, root cause analysis, operational automation, and technical strategy. The role partners with software engineers, SREs, and architects to improve scalability, durability, cost efficiency, and long-term service reliability across teams.

Lead a software engineering team by setting performance goals, developing talent, guiding architecture and design, enforcing engineering standards, coordinating cross-functional workflows, delivering incremental releases, managing resources and risks, and ensuring product quality, stability, and security. The role requires extensive enterprise application development experience with Java, .NET, databases, messaging, web services, scripting, and software integration.

Lead architecture and roadmap for Azure PostgreSQL systems; design and review scalable, maintainable database engine features (query processing, storage, transaction logging, recovery, versioning, IO, scale-out). Influence coding standards and run code reviews, write proof-of-concept or production code, contribute to open-source PostgreSQL/Linux, and participate in rotational on-call operations.

Design, develop, and improve scalable software for an investment platform. Lead software development across the lifecycle, mentor junior engineers, solve complex technical problems, maintain code quality through testing and reviews, and recommend technology enhancements. The role is remote in the USA with four in-person retreats annually.

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.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.