Top C# Jobs in Miami, FL

Build and maintain high-scale backend systems and APIs for a 24/7 sports betting platform. Deliver production-ready code, own services end-to-end, resolve production incidents, optimize performance, and mentor peers while collaborating with product and architecture teams.

As a Lead Software Engineer, you'll design and develop GenAI platforms, integrate LLMs, mentor engineers, and solve technical challenges for scalable solutions.

Own reliability, automation, and DevOps for Coinbase's corporate IAM platform: on-call/incident response, CI/CD and IaC pipelines, identity lifecycle tooling, observability and disaster recovery, documentation, and cross-team IAM advisement to ensure secure, scalable access for a global workforce.

Lead engineering and program management efforts for software solutions, mentor teams, oversee project planning, and ensure client satisfaction.

The Staff Software Engineer will enhance video capabilities, support live streaming and storage infrastructure, and collaborate on platform development. Responsibilities include coding, mentoring, and ensuring platform reliability for millions of users.

Provide advanced technical support for large MongoDB customers across the full MongoDB ecosystem (server, drivers, Atlas, Cloud Manager). Troubleshoot performance, architecture, recovery, security and storage issues end-to-end, develop support tools, mentor new hires, and liaise with product and engineering teams. Work EST shifts with a weekend shift expectation after ramp and participate in occasional off-hours coverage or regional events.

The Sr. Software Engineer designs, implements, and maintains scalable cloud services, contributes to team processes, and acts as a subject matter expert while leading projects and mentoring others.

As a Software Engineer, you will design, develop, and deliver high-quality software, contribute to code reviews, monitor application performance, and ensure maintainability and consistency across products.

Design, build, and maintain scalable test automation frameworks and tooling (Playwright, C#, JS/TS). Integrate automated tests into CI/CD, develop end-to-end, integration, and performance tests, apply AI techniques for test generation and defect detection, troubleshoot system issues, mentor QA teams, and drive automation and quality engineering best practices.

The Senior Software Engineer will lead projects for the Forms platform, designing and building features across web, mobile, and backend systems while mentoring other engineers and improving platform scalability and reliability.

As a Senior Software Engineer, you'll develop and build tools for creative projects while leading feature development and collaborating with teammates.

Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.

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

Senior Software Engineer responsible for developing and maintaining web applications and microservices (React, Golang). Mentor team members, lead code reviews, influence technical decisions, improve CI/CD and testing strategies (unit, E2E, performance), collaborate across teams on integrations, and promote engineering best practices and documentation.

The Quantitative Developer will assist with client onboarding, support, implement and maintain new functionality for portfolio compliance, and improve team documentation.

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 and mentor a full-stack engineering team building cloud-native fundraising and private wealth systems. Design scalable backend services, data pipelines (dbt, Snowflake), APIs and integrations (Salesforce), drive CI/CD and IaC (GitLab, Terraform), adopt container/serverless architectures on AWS, and partner with product, data, security, and cloud teams to deliver reliable, analytics-ready platforms.

Lead design and delivery of scalable, secure Legal & Compliance systems using AWS and SaaS integrations. Define technical strategy and roadmaps, architect custom applications (C#, Python, Terraform), ensure data privacy and security, integrate platforms (Contract Pod AI, Star Compliance, ServiceNow, Snowflake), build and mentor development teams, and collaborate globally to modernize L&C technology.

Design, implement, and improve significant features in HCSS products. Analyze product architecture and databases for ROI-driven improvements. Lead code reviews, mentor junior developers, collaborate to enhance infrastructure, reliability, and CI/CD practices.

Lead automation and systems development initiatives using Jira, BPM tools, and OutSystems. Oversee design, development, and deployment of .NET applications and AWS infrastructure. Collaborate with cross-functional teams to identify automation opportunities, ensure system performance and security, mentor developers, and manage project timelines and stakeholder communications.

The Market Data Engineer will design and implement high-performance market data systems, focusing on trading infrastructure, performance optimization, and system resiliency.

The Sr. GIS Lead Developer will develop and maintain GIS applications and tools, requiring extensive experience with multiple GIS technologies and programming languages.

Develop and administer ServiceNow applications, customizing front-end interfaces, writing SQL queries, and integrating web services while using Agile methodology.

The ServiceNow Developer will handle administration and development on the ServiceNow platform, focusing on custom applications, web services integration, and system automation while maintaining Agile methodologies.