Top Senior C# Jobs in Miami, FL

Lead the migration from legacy Azure services to a Kubernetes-based, containerized microservices platform. Design, build, and scale infrastructure, implement observability (monitoring/alerting/logging), drive incident response and SLOs, automate with IaC and CI/CD, optimize cost and networking, mentor teams, and document systems to ensure reliable, scalable healthcare platform operations.

Lead a software development team to design, build, test, and deliver product features. Provide hands-on technical leadership, oversee architecture, code quality, releases, and production support. Mentor direct reports, collaborate with product and support teams, and evaluate new technologies and prototypes to improve delivery and product capability.

Design, build, and maintain scalable web applications for payroll and accounting. Collaborate with engineers and product partners, write tested code, participate in code reviews, contribute to architecture, improve CI/CD and monitoring, support production (including on-call), and communicate progress while continuously learning.

Lead design and delivery of complex backend features for a high-scale online banking platform. Own code from design to production, modernize legacy systems, develop microservices, design APIs, implement tests, ensure secure coding, use AI-assisted tools, troubleshoot issues, and document APIs while collaborating with product, QA, and front-end teams.

Design, build, and implement Dynamics 365 solutions in a cloud/microservice environment. Develop C#/.NET plugins, APIs, and Azure Functions; participate in requirements analysis, code reviews, testing, deployment, and SDLC documentation. Collaborate with Agile teams, interface with clients, mentor junior developers, and support VA federal projects.

Lead design, development, modernization, and support of application systems. Provide technical leadership, resolve issues, coordinate with infrastructure/cloud/security, ensure scalability, resiliency, observability, DR readiness, and compliance while driving environment consistency and automation.

Own and evolve core trading platform services: design and build cloud-native .NET microservices, APIs, and high-availability distributed systems. Drive architecture, reliability, monitoring, incident response, and mentor engineers while occasionally contributing to React/TypeScript frontend work.

Design, develop, test, and deploy scalable enterprise web applications and APIs using .NET technologies. Build front-end features with Angular/React, optimize performance and security, run CI/CD pipelines, work with cloud-native and containerized deployments, participate in architecture and code reviews, mentor junior developers, and collaborate in Agile teams to troubleshoot production issues.

Lead architecture and delivery of highly available, resilient cloud and on‑prem systems for the Password Safe platform. Own platform engineering, CI/CD pipelines, IaC/GitOps, release orchestration, observability (metrics/logs/traces), chaos engineering, SLO/SLI definition, and core services. Mentor engineers, define SRE strategy, and drive reliability, security, and automation improvements.

Lead architectural strategy and modernization for large-scale distributed systems. Design modular, extensible services, migrate legacy monoliths to microservices, optimize AWS infrastructure and costs, document and visualize systems, facilitate cross-functional design, mentor engineering teams, and scout emerging technologies.

Lead design, build, and scale GridUnity's cloud SaaS platform. Own end-to-end features, mentor engineers, drive architecture, improve scalability, reliability, security, and data practices while collaborating with product teams.

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

This role involves full stack development, mentoring junior developers, participating in agile practices, and leading cross-functional teams on software projects.

The Salesforce Lead Developer will manage technology projects, guide developers, and ensure successful work completion using Salesforce and programming skills.

The Build Engineer / DevOps role involves implementing a delivery pipeline for applications, enhancing communication among teams, managing integrations, and overseeing CI/CD processes in a .NET environment.

Design, develop, and maintain complex, enterprise-scale software features and services across the OneStream CPM platform. Lead technical design, implement UI and APIs, ensure JSON/XML contract compatibility, improve performance and reliability, mentor engineers, participate in code reviews, and support CI/CD, testing, and production operations. Use AI-assisted development tools responsibly to accelerate development.

Design, manage, and implement Appian-based applications for financial services and insurance clients. Capture requirements with Tech Leads, translate business needs into solutions, deliver custom Appian implementations, collaborate with architects and delivery teams, and develop reusable assets, accelerators, and best practices.

Lead full‑stack modernization of a legacy .NET/SQL Server payment-integrity platform. Build modular Angular frontends and resilient .NET microservices, improve APIs, optimize database performance, embed security/privacy, use AI coding agents to accelerate refactors, and drive delivery with strong observability and testing practices.

Design, build, deploy, and operate backend services, APIs, integrations, and web applications. Own end-to-end features, improve CI/CD and observability, troubleshoot cross-service issues, participate on-call, and collaborate with product and leadership to deliver reliable production systems.

Own and deliver server-side features end-to-end for a cloud-hosted accounting SaaS: design data models and APIs, improve performance and reliability, mentor engineers, ensure observability and on-call readiness, collaborate with product and clients, and apply AI-assisted development safely to accelerate delivery.

The Senior Software Engineer role involves modernizing healthcare payment systems using C#, .NET, SQL, and cloud technologies while leveraging AI tools for efficiency.

Design and develop scalable software solutions, lead engineering workstreams, ensure code quality, mentor junior developers, and collaborate on technical strategies to enhance digital experiences for BECU members.

Build and operate the Veeam Data Cloud GOV environment: map systems, write runbooks, define SLIs/SLOs, run incident response, close observability gaps, automate deployments and support fleet management while working across security and compliance constraints.

Build and run Gov/Sovereign cloud SRE for Veeam Data Cloud: document platform, define SLIs/SLOs, run incident response, close observability gaps, design resilient Azure infrastructure, automate IaC/CI/CD pipelines, support on-call, and collaborate with security/compliance teams to operationalize reliability.

Design, build, and maintain scalable .NET and Angular web applications across the full stack. Lead technical architecture, implement CI/CD pipelines, execute application and database migrations, write and test clean code, debug production issues, produce technical documentation, and mentor peers while collaborating with product, QA, and cross-functional teams using agile practices.