Top Senior C# Jobs in Miami, FL

Own end-to-end technical delivery for enterprise SitecoreAI and XM Cloud implementations. Lead discovery, architecture, development, QA, releases, client communication, and project delivery. Guide headless Next.js teams using React and TypeScript on Vercel or Netlify, ensure accessibility, SEO, performance, and security standards, and mentor developers. Support estimates, proposals, account growth, reusable solutions, and AI-assisted engineering practices.

The Senior Software Engineer designs and develops software applications, optimizes APIs and databases, collaborates with teams, and ensures code quality through various testing practices.

Designs, develops, and leads scalable healthcare software solutions involving transaction processing, interoperability standards, integrations, and data platforms. Provides hands-on engineering, architectural leadership, quality ownership, risk management, technical mentorship, and cross-functional collaboration. The role requires building high-performance cloud-based SaaS solutions using microservices and serverless architectures, while guiding engineering strategy and ensuring secure, reliable delivery.

Build and scale full-stack applications using Ruby on Rails, React, PostgreSQL, Docker, Kubernetes, and Terraform. Design APIs, data architectures, synchronization systems, infrastructure, and CI/CD pipelines for secure, reliable operation in disconnected and low-bandwidth environments. Collaborate across engineering, business development, and mission teams while supporting critical defense and public safety operations.

Develop and ship features for mobile games across Unity/C# clients and Go backend services. Collaborate with Product, Design, and Art, troubleshoot live-product issues, improve code quality, maintain build and content pipelines, conduct testing and code reviews, support releases, and investigate regressions. The role requires ownership from implementation through production with limited supervision.

Build and scale reliable software systems supporting donor platforms, cash payments, and rapid-response programs. Own features end to end from architecture through deployment and monitoring, improve CI/CD and testing, troubleshoot production issues, and collaborate with product, operations, and data teams. The role also contributes to technical roadmaps and sustainable engineering practices in a mission-driven, fully remote organization.

Executes systems engineering across R&D platforms, hybrid cloud, SaaS, HPC, containers, integrations, data pipelines, observability, and AI architectures. Coordinates Enterprise IT, vendors, cybersecurity, compliance, and scientific stakeholders to deliver secure, scalable, validated, and supportable solutions. Develops technical documentation, deployment plans, runbooks, monitoring, lifecycle artifacts, risk logs, and operational handoffs. Implements RAG, vector database, AI gateway, agentic workflow, and multimodal integration patterns while supporting cloud migration, change management, governance, and technical issue resolution.

Designs and directs development of scalable software systems using AI-assisted engineering practices. Owns architecture, APIs, data models, testing strategy, security, reliability, observability, deployment, and production operations. Decomposes work for AI agents, validates generated code and tests, leads incident response, and coaches engineers on effective AI-enabled development. Requires full-stack experience, modern server-side development, event-driven systems, cloud infrastructure, regulated-data security, and production use of agentic AI.

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.

Develop and support high-volume, mission-critical web applications across the full software development lifecycle. Build with TypeScript, JavaScript, Next.js, and SQL; deploy and operate applications in Microsoft Azure; use AI-assisted development tools; troubleshoot complex technical issues; make architectural decisions; and mentor other engineers. The role requires multi-tier system development, database optimization, Agile collaboration, and proactive delivery of reliable, high-quality software.

Develop and deliver high-volume enterprise applications across the full software development lifecycle. Design, code, test, debug, optimize SQL solutions, troubleshoot complex issues, contribute to scalable architecture, collaborate with technical and business stakeholders, and mentor other developers. Work independently while participating in Agile development and production implementation.

Design and maintain scalable services, APIs, distributed systems, and data pipelines for AI training data infrastructure. Own systems through design, implementation, testing, deployment, and monitoring. Lead architectural decisions, improve reliability and scalability, mentor engineers, and collaborate with AI/ML, product, and data operations teams. Contribute to CI/CD, containerization, DevOps, and cloud deployment practices.

Build and scale full-stack applications, backend services, APIs, infrastructure, and user experiences supporting millions of users. Design reliable, high-performance systems; partner with Product, Design, and Data; own projects through deployment and optimization; improve observability and developer productivity; and support AI adoption through automation and AI-powered workflows.

Lead design and delivery of scalable, secure Legal & Compliance systems on AWS. Architect custom applications, integrate L&C SaaS platforms, define technical roadmaps, enforce cloud-native and DevOps best practices, and build and mentor a global development team to meet data privacy, security, and compliance requirements.

Lead development of secure, scalable digital banking software across front-end and backend systems. Design Angular or React applications, build APIs, optimize SQL performance, integrate third-party platforms, improve code quality, implement testing strategies, and mentor engineers. Collaborate with cross-functional teams in an Agile environment while supporting cloud-native practices, regulatory compliance, and continuous product improvement.

Develops, maintains, and enhances scalable web applications, internal tools, libraries, and shared components for international enterprise clients. Collaborates with cross-functional teams, participates in code reviews, creates technical documentation, and shares knowledge. Requires strong software development principles, design patterns, cloud, database, CI/CD, messaging, testing, and mobile framework experience.

Leads and develops a software engineering team while contributing hands-on to enterprise application design, coding, testing, code reviews, production support, and technical decisions. Builds scalable solutions using C#, ASP.NET, SQL Server, and modern web technologies; partners with product and business stakeholders; supports Agile delivery, CI/CD, troubleshooting, root cause analysis, and engineering best practices. The role also includes mentoring engineers, monitoring delivery and operational metrics, and driving continuous improvement.

Architect and build high-throughput backend systems for Filevine’s legal technology platform using .NET, DDD, event sourcing, MartenDB, Wolverine, and PostgreSQL. Own features end to end, including domain modeling, APIs, testing, observability, CI/CD, and production monitoring. Mentor engineers, optimize system resilience and performance, and collaborate with product, UX, and legal experts to translate complex workflows into scalable software.

Design, develop, customize, integrate, test, and deploy Microsoft Dynamics 365 and Power Platform case management solutions. Gather technical requirements, create architectures and implementation plans, support data migration and custom code, conduct client demonstrations, document risks, and improve development and release processes. Collaborate with clients, architects, project leads, and business analysts while traveling to customer locations as needed.

Design, develop, and deploy Microsoft Dynamics 365 and Power Platform case management solutions. Responsibilities include requirements gathering, architecture, CRM customization, integrations, data migration, testing, technical documentation, client demonstrations, risk mitigation, and improving development and release processes.

Develop and implement enterprise Microsoft Dynamics 365 and Power Platform case management solutions. Responsibilities include gathering requirements, designing architectures, building integrations and customizations, managing data migration, testing and deployment, creating technical documentation, mitigating risks, and presenting solutions to clients. The role collaborates with project leads, architects, business analysts, and customers, with travel to customer locations as needed.

Build edge-focused full-stack product experiences integrating machine learning and autonomy for frontline defense users. Collaborate with designers, infrastructure teams, product teams, and ML engineers to create intuitive applications, efficient edge-deployed application stacks, and internal modeling APIs. Develop maintainable software using strong engineering practices, including design documents, code reviews, and style guides.

Design, build, and operate cloud-native, enterprise-grade SaaS services on Azure. Lead architecture and design, develop APIs and UIs, apply AI-enabled engineering tools, ensure observability, support production incidents, and drive reliability, performance, and CI/CD improvements across teams.

Leads cross-functional software development efforts, including architecture, design, development, testing, deployment, support, code reviews, and technical problem resolution. Mentors developers, establishes coding standards, improves system scalability and availability, manages source code, promotes unit testing, estimates work, and supports Scrum team delivery. The role requires .NET, web development, APIs, microservices, distributed systems, cloud, databases, and software testing experience.

Build and maintain scalable full-stack web applications using .NET, React, Next.js, and Azure. Responsibilities include feature delivery, API and microservices development, testing, code reviews, architecture, performance optimization, security, CI/CD support, cloud deployment, and production support. Senior engineers will mentor teammates and influence engineering standards, while early-career engineers receive mentorship and progressively greater ownership.