Top Remote C# Jobs in Miami, FL

Designs and implements scalable software architecture and web-based systems using Java EE and related technologies. Responsibilities include developing front-end and backend functionality, evaluating tools and designs, troubleshooting, conducting root-cause analysis, collaborating with QA and project teams, participating in code reviews, documenting solutions, mentoring engineers, and serving as a technical lead across multiple projects.

Develop and maintain high-volume, mission-critical enterprise web applications using C#/.NET, ASP.NET MVC, AngularJS, and SQL Server. Responsibilities include full lifecycle development, architecture and design participation, troubleshooting, performance and scalability improvements, AI-assisted workflow development, Agile collaboration, technical mentoring, and supporting multi-tier systems.

Lead end-to-end design, development, deployment, testing, and production support of enterprise web applications. Build scalable client/server architectures, ensure security and data governance, mentor team members, collaborate with product and business stakeholders, and own timely delivery and quality of solutions. Analyze data patterns and support reporting and selection workflows.

Lead the design, architecture, development, deployment, and optimization of scalable .NET backend systems processing millions of daily healthcare transactions. Mentor developers, guide technical decisions, improve CI/CD pipelines, implement secure APIs, and collaborate with product stakeholders. The role requires expertise in .NET, C#, ASP.NET Core, cloud-native AWS services, Kubernetes, microservices, distributed systems, testing, observability, and secure software development.

Design, implement, test, and modernize backend services and integrations (TypeScript/Node.js and C++). Lead large projects, write technical specifications and API contracts, enforce coding standards, coach engineers, and drive legacy-to-modern migrations within online banking and core systems.

Designs, develops, and sustains secure REST APIs, ETL pipelines, middleware, event-driven integrations, and data validation services for DoD modernization. Optimizes schemas and data workflows, manages API gateways, monitors performance, troubleshoots synchronization issues, and ensures interoperability across IL2-IL5 cloud environments. Collaborates with cybersecurity, database, and Agile teams to meet DoD RMF, STIG, Zero Trust, and data governance requirements while maintaining integration documentation and supporting deployment validation.

Leads Agile development and sustainment of secure data integration solutions for DoD systems. Responsibilities include RESTful API design, data migration and validation, database optimization, data pipelines, analytics dashboards, integration testing, DoD compliance, CI/CD support, documentation, and mentoring. The role collaborates with cybersecurity teams on RMF and STIG controls while guiding technical delivery and Agile ceremonies in AWS GovCloud environments.

Develop and sustain a secure enterprise Case Management System for DoD stakeholders. Responsibilities include building CMS components, microservices, API integrations, workflow automation, and AWS GovCloud software; implementing DevSecOps and CI/CD; conducting code reviews, testing, data validation, and documentation; supporting Agile delivery; ensuring DISA STIG and RMF compliance; and providing Tier 2/3 production support.

Lead end-to-end development of secure, scalable web applications and data solutions supporting clinical trial operations. Design frontend and backend components using C#/.NET, Angular, AWS, and relational or non-relational databases. Guide architecture, testing, deployment, CI/CD, security, cloud optimization, and regulatory compliance. Mentor developers, oversee technical delivery, troubleshoot complex issues, and lead migration and modernization of on-premises applications to AWS.

Designs and governs cloud architectures for a global software platform supporting scientific laboratory applications. Responsibilities include AWS architecture, security, DevSecOps, Terraform infrastructure as code, regulatory compliance, testing strategy, technical proofs of concept, stakeholder communication, engineering guidance, and mentoring. Requires strong C#/.NET Core and web development experience, AWS certification, architecture-framework knowledge, and familiarity with databases, application servers, and LC/LCMS systems.

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

Develop, test, debug, and maintain game software for console, PC, and mobile platforms. Collaborate with artists, designers, and engineers to define and implement features, deliver systems to specification, provide ongoing technical support, and balance scope, quality, and development pace.

Supports Microsoft Dynamics 365 CRM and Power Platform administration, development, automation, troubleshooting, and user support. Builds and maintains Power Apps, Power Automate workflows, Power BI reports, dashboards, dataflows, and Fabric Lakehouse structures. Assists with requirements gathering, testing, documentation, data quality, and process improvement while collaborating with business stakeholders and senior technology staff. This remote role includes limited travel and focuses on improving organizational efficiency, reporting, customer experience, and business applications.

Lead architecture and hands-on development of the end-to-end video pipeline (live ingest, transcoding, storage, playback, and developer SDKs). Mentor engineers, collaborate across mobile/web/ML/platform teams, own monitoring and on-call support, and help scale video streaming and VoD capabilities for millions of streams and clips.

Evaluate AI coding-agent interactions for usefulness, correctness, engineering judgment, reasoning quality, and developer trust. Provide clear, opinionated feedback, distinguish response-quality levels, and help define standards for excellent interactions with tools such as OpenAI Codex, Claude Code, and Cursor. This contract role requires staff- or principal-level software engineering experience and familiarity with modern AI-assisted development workflows.

Develop Canvas and Model-Driven Power Apps for web and mobile, automate workflows with Power Automate, and integrate data from Dataverse, SharePoint, SQL Server, and external APIs. Build Power BI dashboards, troubleshoot performance and bugs, manage security roles, gather requirements, train users, and maintain applications. The role also involves Power FX and optional pro-code development using JavaScript, HTML, CSS, or C#.

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

Build scalable full-stack applications integrating healthcare insights with browser-based and Windows EHR systems. Develop products using FHIR and HL7 interoperability standards, collaborate on technical roadmaps, and implement performant solutions. Mentor junior engineers, conduct code reviews, make technical decisions, and partner with engineering, product, and business stakeholders using Agile processes.

Build and operate reliable backend systems and APIs for high-traffic products. Responsibilities include distributed system design, data modeling, service architecture, performance tuning, automated testing, observability, incident management, and end-to-end feature delivery. The role partners with Product and Design, makes architecture decisions, mentors engineers, and applies AI-assisted development tools responsibly.

Lead and grow an engineering team responsible for scalable cloud platform foundations and developer infrastructure. Set technical direction, make architectural decisions, establish goals, prioritize resources, and guide execution through ambiguity. Partner with Product and Engineering teams to build standardized contact solutions for CRM use cases across business verticals. Drive reliability through infrastructure as code, CI/CD, observability, incident response, and scalable cloud operations while contributing to engineering-wide initiatives.

Lead a software engineering team supporting Unity on an Android-based device ecosystem. Own execution and technical strategy, optimize Unity runtime performance through benchmarking and analysis, collaborate with engine, platform, graphics, product, and external teams, and communicate progress and vision. Manage, mentor, and develop engineering talent while enabling AI-assisted development workflows and platform-specific experiences.

Develop and maintain Microsoft Power Platform solutions for CDC mission programs. Responsibilities include designing solution architectures and data models, building Power Apps and Power Automate workflows, configuring Dataverse, modernizing legacy applications, integrating APIs and Azure services, reviewing technical solutions, supporting Agile delivery and testing, troubleshooting defects, documenting deployments, and maintaining production systems. The role also ensures federal security, privacy, governance, and Section 508 accessibility compliance.

Build, deploy, and support secure, scalable full-stack healthcare payment applications. Own front-end, service, backend, analytics, data pipelines, CI/CD, cloud deployment, observability, performance optimization, production incidents, and compliance. Collaborate with product, data, DevOps, QA, business, and client teams to deliver reliable features and platforms across hybrid cloud and on-premise environments.

Develop, test, deploy, and maintain Microsoft Power Platform solutions for federal mission-critical systems. Build Canvas Apps, Model-Driven Apps, Power Pages, Dataverse models, and Power Automate workflows. Migrate legacy .NET, C#, and JavaScript applications, support integrations and testing, troubleshoot defects, document solutions, and assist with production operations. Collaborate within Agile/Scrum teams while meeting federal security, privacy, and Section 508 accessibility requirements.

Provides hands-on technical leadership for complex software architecture, design, development, modernization, and delivery. Partners across engineering, product, and architecture teams; mentors engineers; reviews designs and code; guides distributed, event-driven, cloud-native solutions; and promotes testing, CI/CD, observability, security, and operational excellence. The role remains an individual contributor while influencing technical decisions, managing dependencies, solving ambiguous problems, and evaluating emerging Generative AI and Agentic AI capabilities.