Top C# Jobs in Miami, FL

Provide engineering-level application support and troubleshooting across enterprise platforms. Diagnose and resolve complex incidents, implement configuration and light development fixes, perform data analysis, own issues end-to-end, reduce repeat incidents, improve system stability, and mentor Level I engineers while participating in a technology incubator program.

Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.

Design, configure, extend, test, and support Dynamics 365 CE and Power Platform solutions. Build custom extensions and integrations, assist with data migration, participate in design reviews and sprint activities, produce technical documentation, follow DevOps/ALM standards, and apply AI/Copilot opportunities while escalating architecture and governance concerns.

The Microsoft Dynamics 365 Developer will design and develop custom solutions in Microsoft Power platform, ensure quality, and support the MPP application. Requires hands-on experience in D365, Power Apps, and the full life-cycle implementation of related solutions.

Lead design and rewrite of cloud-native core systems. Build scalable back-end services and front-end features, drive architecture and testing discussions, mentor engineers, and improve telemetry, performance, and reliability.

Develop, test, and maintain platform features and services for a digital health platform. Collaborate with product and design teams, write clean code, participate in reviews, debug issues, assist with API development and integrations, and help improve performance, reliability, and scalability while learning modern tools and cloud technologies.

Lead refactoring and optimization of scalable data pipelines, design next-generation distributed storage and processing systems, build clean interfaces for diverse data consumers, mentor engineers, and establish engineering standards and processes.

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.

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.

Drive technical direction and architecture across teams for enterprise retail software. Improve platform reliability and performance, scope customer-facing features, mentor engineers, de-risk large work, and embed AI-native practices (LLMs/agents) into engineering workflows.

Build and maintain the full-stack Raise product: polished donor-facing UIs and backend systems. Own features end-to-end, ensure scalability, reliability, and performance, review AI-generated code, collaborate with Product and Design, write clean testable code, and support observability and incident resolution.

Lead technical architecture and delivery for Dynamics 365 Finance & Supply Chain projects: translate functional requirements into technical designs, mentor teams, manage integrations, collaborate with stakeholders and Microsoft, support pre-sales, and ensure best-practice enterprise architecture.

Design, develop, customize and maintain enterprise Sitecore solutions (versions 9/10, SXA, JSS, XM Cloud). Produce technical specs, implement components, test and debug in test and production, support teammates, perform demos to customers, and escalate/resolve issues.

First engineering hire to build end-to-end features across React frontends and C#/.NET (and Python) backends, work with PostgreSQL and MongoDB, integrate third-party automotive APIs, use agentic AI coding tools, and collaborate on architecture and engineering culture.

Lead end-to-end full-stack development across React frontends and compiled backends, influence architecture and data modeling, integrate third-party dealership APIs, use AI-assisted coding tools daily, set engineering standards, ship production features to live dealership users, and mentor junior engineers.

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.

Create and optimize high-quality, mobile-optimized character shaders and material workflows in Unity URP. Develop master materials, tools, and editor extensions (C#). Profile and debug performance on iOS/Android, collaborate with artists on look development, and ensure efficient rendering across mobile devices.

Full Stack Engineer responsible for building responsive frontends (JS/TS, React preferred) and backend services (Python, Go, or Node.js/TypeScript), designing RESTful APIs, managing databases (Postgres/MongoDB), and deploying on cloud (AWS). Collaborate with teams, optimize performance, and apply DevOps practices (Docker, Kubernetes, CI/CD). Requires strong problem-solving, communication, and 3+ years of experience.

Lead design and delivery of enterprise automation and cloud-native solutions. Drive architecture, IaC, CI/CD, container orchestration, observability, security, and cross-functional adoption to reduce risk and improve operational efficiency.

Design, implement, and maintain Atlassian/ALM toolchains and CI/CD build/deployment environments. Administer systems (Linux/Windows), version control (Git), DevOps practices, and support database deployment/tuning. Collaborate on Agile teams and automate deployments using CI/CD tools.

Build and maintain integrations with cloud providers and third-party security tools; design data pipelines to normalize and validate diverse API inputs; implement authentication flows (OAuth2/OIDC/API keys); ensure reliability with error handling, retries, observability; document integrations and collaborate with engineering to deliver consistent data for downstream features.

Join Trace as a Software Engineer, focusing on building end-to-end systems for data capture and processing in physical AI. Responsibilities include backend services, data pipelines, and customer collaboration.

Design and implement backend APIs and performant database schemas (Postgres/SQL); build scalable, testable C# services; work in Agile cross-functional squads; incorporate AI-assisted development tools; and drive engineering maturity and efficiency.