Top Senior C# Jobs in Houston, TX

Leads architecture and development of scalable healthcare applications and distributed systems. Provides technical leadership and mentorship, collaborates with Product and Design, manages software delivery, improves testing and CI/CD, resolves complex technical issues, and oversees cloud infrastructure, databases, deployment pipelines, and production monitoring. Requires hands-on full-stack engineering expertise, cloud and containerization experience, and participation in periodic on-call escalation coverage.

Leads BECU’s API platform strategy, engineering and delivery teams, technology roadmaps, governance, budgeting, vendor partnerships, and agile execution. Oversees scalable, secure APIs using C#/.NET on Azure, GraphQL, and REST; advances API lifecycle standards, CI/CD, quality, security, observability, and cloud-native practices. Builds high-performing teams through coaching, supports modernization initiatives, aligns technology with business goals, and promotes responsible AI-enabled engineering tools.

Leads the design, automation, and operation of enterprise backup, recovery, data-protection, and resilience services across hybrid and cloud environments. Builds distributed systems, APIs, automation, observability, security controls, and AWS infrastructure. Drives reliability engineering practices, compliance readiness, recovery assurance, cross-functional delivery, stakeholder influence, and engineer mentorship.

Design, build, test, and operate production-grade, secure, and scalable software and services. Partner with customers to translate requirements into technical designs, drive engineering best practices (CI/CD, testing, observability), deliver end-to-end solutions, lead technical workstreams, and apply AI/LLM approaches where appropriate to produce production-ready outcomes.

Own and improve Dropbox’s Windows endpoint platform, including provisioning, application delivery, patching, compliance, security configuration, troubleshooting, fleet health, and automation. Build code-managed endpoint operations using Intune, FleetDM, osquery, infrastructure-as-code, and GitOps practices. Lead cross-functional improvements, establish reliable deployment workflows, mentor engineers, review code and designs, and document reusable operational practices.

Develop secure, scalable React Native applications for iOS and Android, along with backend APIs, cloud services, and supporting infrastructure. Implement authentication, offline synchronization, push notifications, location services, performance optimization, observability, testing, and CI/CD. Collaborate across product, design, security, engineering, QA, and DevOps teams; participate in architecture and code reviews, troubleshoot production issues, and mentor developers.

Leads the design, development, testing, integration, and delivery of complex security software applications. Provides architecture leadership, evaluates designs for quality and compliance, integrates new technologies, manages development partners, troubleshoots application issues, and mentors junior engineers. The role focuses on Windows application development, software architecture, security features, and cross-functional project leadership.

Designs, develops, tests, deploys, and supports scalable cloud applications and microservices. Builds backend services with C# and .NET, frontend applications with Angular and TypeScript, and REST APIs. Uses Microsoft Azure, Git, Azure DevOps, CI/CD pipelines, automated testing, code reviews, troubleshooting, and production support. Collaborates with cross-functional Agile teams and may contribute to Docker, Kubernetes, monitoring, and energy-domain solutions.

Designs and evolves AWS infrastructure as code using CDK, develops backend software primarily in TypeScript, and applies secure engineering practices for regulated environments. The role contributes to architecture, code reviews, CI/CD pipelines, production support, observability, and on-call operations. It collaborates cross-functionally, builds scalable and reusable systems, supports SOC 2 compliance, and uses AI coding assistants to improve development, testing, and documentation.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Develop and maintain C#/.NET software for electric and gas distribution engineering tools. Implement features, fixes, integrations, tests, and CI/CD automation while configuring enterprise systems for customer needs. Collaborate in Scrum, participate in reviews, reduce technical debt, document processes, and mentor teammates. The role may involve GIS or Enterprise Asset Management integrations and requires strong software development experience in utility or energy infrastructure environments.

Leads architecture and hands-on development of scalable backend systems and APIs supporting real-time applications. Owns the engineering lifecycle, writes high-performance code, establishes testing and reliability practices, resolves production issues, guides technical roadmaps, collaborates cross-functionally, and mentors engineers. The role requires expertise in object-oriented backend development, distributed cloud systems, automated testing, system monitoring, and technical leadership.

Leads enterprise-scale Microsoft Hyper-V infrastructure engineering across global data centers. Designs resilient clusters, automates provisioning and compliance with PowerShell and DSC, develops C#/.NET orchestration services, benchmarks performance, troubleshoots full-stack infrastructure issues, evaluates server hardware, remediates vulnerabilities, documents architectures, and mentors engineers. The role also promotes validated, auditable use of enterprise AI capabilities in infrastructure operations.

Leads the design, programming, testing, optimization, and maintenance of industrial automation and control systems for energy-sector clients. Responsibilities include PLC, DCS, SCADA, HMI, SIS, alarm, and industrial network engineering; simulation and virtual commissioning; technical troubleshooting; root cause analysis; project execution; engineering documentation; commissioning; and factory acceptance testing. The role requires extensive continuous-process industry experience, strong control systems knowledge, and occasional travel to field locations.

Modernize an existing C++ desktop application by migrating functionality to a web-based .NET solution. Design, develop, test, deploy, maintain, and support software using C++, C#, ASP.NET Core, APIs, and modern web technologies. Collaborate with product, QA, and business stakeholders, perform code reviews and debugging, resolve performance issues, and evaluate AI capabilities for application and workflow integration while ensuring security, testing, monitoring, and validation.

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.

Leads the design, development, testing, integration, and support of enterprise software using Microsoft Power Platform and Azure. Builds Power Apps, workflows, Dataverse solutions, REST integrations, custom APIs, and secure cloud applications. Drives software engineering standards, ALM, CI/CD, DevSecOps, architecture, troubleshooting, and continuous improvement. Partners with business and technical stakeholders, mentors engineers, conducts research and demos, and delivers scalable solutions for enterprise maintenance modernization.

Leads the software QA team and manages end-to-end testing, including test strategy, case development, manual and automated testing, regression, integration, UAT support, defect tracking, and reporting. Coordinates with development and product teams, mentors QA staff, improves testing processes, and develops scalable automation suites using tools such as Selenium, Cucumber, REST-assured, and Postman.

Designs, develops, maintains, and troubleshoots scalable software applications using .NET, SQL Server, UI frameworks, and cloud technologies. Collaborates with product owners, developers, testers, and technology leads; participates in code reviews; writes documented code; and improves software development practices.

Lead performance engineering for massive-scale HPC and AI workloads across InfiniBand-connected GPU clusters. Diagnose communication bottlenecks, analyze fabric behavior, tune RDMA and QoS, develop telemetry tooling, optimize topology-aware communication, benchmark distributed workloads, and collaborate with operations and hardware vendors on next-generation interconnects.

Lead the design and development of Azure Compute Fleet capabilities that orchestrate Virtual Machine Scale Sets across regions. Build distributed control-plane services, APIs, and workflows for capacity placement, scaling, failover, and lifecycle management. Collaborate across Azure engineering teams, drive AI-enabled engineering improvements, participate in on-call operations, and improve reliability, observability, performance, and recovery for hyperscale cloud services.

Build and improve Azure Kubernetes Service capabilities for Linux and Windows containers. Develop distributed cloud infrastructure, automation, observability tooling, and reliability improvements at global scale. Support AI-native infrastructure, including GPU orchestration, model deployment, inference, and platform operations. Accelerate engineering workflows, prevent production incidents, integrate AI tools, and contribute to Kubernetes and cloud-native platform innovation.

Provides technical leadership for architecture and evolution of large-scale distributed data platforms supporting Azure network telemetry. Designs streaming and batch systems, establishes reusable engineering patterns, drives cross-team technical strategy, and owns capabilities from design through production operations. Ensures scalability, reliability, security, performance, data quality, and operational excellence while mentoring engineers and influencing technical leaders. The role also involves architectural reviews, dependency management, risk reduction, and applying AI or machine learning approaches to operational systems.

Design, develop, deploy, and support enterprise integrations for tolling systems using C#, .NET, Azure, SAP, CRM, IVR, APIs, middleware, and external platforms. Build secure REST APIs, microservices, Azure Functions, and Service Bus solutions; optimize high-volume data flows and IVR experiences; integrate payment, traffic management, and backend systems; document technical solutions, testing, impacts, and standards compliance.

Design, develop, deploy, and operate cloud-scale Azure regional networking infrastructure spanning router hardware, operating systems, optical transceivers, and distributed orchestration systems. Lead architecture and cross-team technical initiatives, write maintainable code, improve reliability, observability, performance, and automation, apply AI-driven engineering practices, and mentor engineers while collaborating with hardware, supply chain, datacenter operations, research, vendors, and senior leaders.