Top Senior C# Jobs in Houston, TX

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.

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.

Provides technical leadership for enterprise-scale software supporting healthcare revenue cycle operations. Designs scalable applications, APIs, microservices, integrations, cloud-native solutions, and healthcare interoperability workflows using HL7, FHIR, and EDI/X12. Leads architecture, automation, security, performance, code reviews, troubleshooting, modernization, and technical strategy while collaborating with product, operations, analytics, infrastructure, and engineering teams.

Build and support complex features across C#/.NET back-end services and React front ends. Responsibilities include technical design, API and data modeling, secure and tested coding, production troubleshooting, code reviews, mentoring, documentation, and improving engineering practices. Collaborate with Product, QA, DevOps, Technical Leads, and architecture teams while balancing delivery, maintainability, performance, accessibility, observability, and security.

Design, build, test, deploy, and operate cloud-native applications, distributed services, data platforms, APIs, and AI-powered experiences. Develop frontend and backend solutions, data pipelines, analytics frameworks, and intelligent workflows using Azure and modern engineering practices. Own technical designs, modernization, observability, security, compliance, incident response, and operational reliability. Collaborate cross-functionally, mentor engineers, and contribute to architecture, code reviews, automation, and continuous improvement.

Partner with clients to design, develop, modernize, and support production full-stack applications using .NET/C#. Lead feature delivery from discovery through deployment, contribute to architecture and DevOps practices, improve engineering quality (TDD, CI/CD, IaC), and mentor client teams to leave them better equipped to maintain and evolve software.

Develop and operate software for Azure’s hyperscale networking infrastructure and SONiC switch and router platforms. Responsibilities include designing, coding, optimizing, debugging, and maintaining network software; supporting packet forwarding, telemetry, observability, reliability, and performance; creating design and release plans; responding to incidents; and mentoring engineers. The role requires expertise in software engineering, IP networking, distributed systems, Linux, SDN technologies, and container-based environments.

Own the architecture, implementation, and operational excellence of major Azure Boost DPU software components. Develop low-level systems software spanning operating systems, virtualization, networking, storage, device management, and hardware interfaces. Lead complex cross-functional initiatives, optimize hyperscale performance and reliability, resolve system-level issues, establish engineering practices, influence platform architecture, and mentor engineers across Azure infrastructure teams.

Lead development of AI infrastructure for large-scale GPU training and inference. Design workload scheduling, serving, orchestration, resource governance, failover, and multitenant Kubernetes platforms. Build reliable C# and Go services, optimize GPU fleet performance, and drive observability, diagnostics, and production operations. Provide technical leadership, architectural direction, mentoring, and cross-team collaboration across cloud infrastructure, hardware, networking, and AI deployment teams.

Lead design and implementation of Azure full‑stack, scalable skilling platform features. Drive CI/CD, reliability, automation, and AI/LLM-enabled capabilities. Mentor engineers, enforce engineering best practices, coordinate cross-team dependencies, and improve test automation and observability for enterprise-scale services.

Designs, builds, scales, and operates distributed CI/CD services supporting millions of builds, tests, and releases. Develops code for Azure-based infrastructure spanning virtual machines, containers, and custom lab environments. Responsibilities include requirements analysis, architecture and design documentation, estimation, debugging, optimization, operational playbooks, on-call incident response, monitoring, reliability improvements, and mentoring engineers.

Design, develop, and operate scalable software platforms and automation for Azure network qualification infrastructure. Build tools for device provisioning, configuration, lifecycle management, testing, telemetry, and health validation. Develop AI-powered agents for troubleshooting, root-cause analysis, and engineering productivity. Create reliable distributed systems with observability, diagnostics, automated recovery, and scalability while collaborating across software and network engineering teams.

Lead the rearchitecture and development of a cloud-native Banking as a Service platform. Design scalable APIs, microservices, event-driven systems, and partner integrations using modern cloud, DevOps, observability, and security practices. Drive architectural strategy, technical debt reduction, incident response, code quality, compliance, and continuous delivery. Mentor engineers, collaborate with product and architecture teams, evaluate emerging technologies, and own capabilities through project delivery.

Leads the creation of a Corporate Integrations engineering team, including hiring, mentoring, backlog ownership, stakeholder requirements discovery, integration and API design, and software delivery oversight. Establishes engineering practices such as testing, CI/CD, code reviews, monitoring, security, scalability, and observability. Provides hands-on technical leadership using F# and AWS while collaborating with business and engineering stakeholders.

Leads a hands-on engineering team responsible for building, operating, and improving a production Shopify e-commerce portal. Writes code across storefront, backend, and frontend systems; designs integrations, payment processing, APIs, and event-driven services; owns reliability, security, observability, and incident response; and manages hiring, development, agile delivery, stakeholder communication, and technical direction.

Designs and maintains Boomi integrations for high-volume logistics workflows and B2B data exchanges. Builds APIs, connectors, event-driven Kafka integrations, error-handling frameworks, and automated CI/CD workflows. Leads integration projects from requirements through deployment and support, contributes to enterprise architecture, and mentors junior developers. Requires expertise in logistics systems, REST/SOAP, EDI, SQL, scripting, Agile delivery, and integration monitoring.

Leads Windows Server infrastructure engineering across physical, virtual, and container environments. Designs automation for provisioning, configuration, monitoring, and machine imaging; supports cloud migration, resilience, security, compliance, and modernization. Drives complex infrastructure programs, enterprise software engineering standards, and responsible use of AI-assisted development tools. Collaborates with cross-functional teams and communicates technical outcomes to business and leadership stakeholders.

Build and maintain Perry Homes’ customer-facing websites and portal using Next.js, React, TypeScript, Contentstack, Angular, and .NET APIs. Partner with Marketing and Customer Experience on prototypes, production UI, and a Figma-based design system. Develop secure logged-in experiences, optimize performance, SEO, accessibility, and Core Web Vitals, and deliver tested software through Azure DevOps sprints. Monitor production applications, support UAT, review code, and use AI-assisted development tools.

Lead design, development, and maintenance of CLA's application frameworks and developer platform. Own CI/CD, release automation, IaC, container patterns, monitoring, and tooling. Mentor developers, enforce standards, conduct code reviews, troubleshoot integrations, and drive framework engineering strategy to enable reliable, repeatable deployments across environments.

Lead architecture, design, and development of core application frameworks. Collaborate with cross-functional teams, enforce coding standards, conduct code reviews, mentor developers, troubleshoot integrations, evaluate new technologies, document designs, and manage team velocity, risks, and CI/CD/tooling for stable framework delivery.

Lead architecture and roadmap for Azure PostgreSQL systems; design and review scalable, maintainable database engine features (query processing, storage, transaction logging, recovery, versioning, IO, scale-out). Influence coding standards and run code reviews, write proof-of-concept or production code, contribute to open-source PostgreSQL/Linux, and participate in rotational on-call operations.

Develop scalable test automation frameworks, QA tools, and intelligent testing systems using Playwright, C#, and JavaScript/TypeScript. Integrate automated testing into CI/CD pipelines, build end-to-end, integration, and performance solutions, and apply AI techniques to improve test generation and defect detection. Partner with engineering and QA teams, troubleshoot reliability issues, contribute to test strategy, and mentor colleagues on automation and modern testing practices.

Lead architecture and hands-on development for AccessOne’s financing platform across frontend, backend, data systems, integrations, and cloud infrastructure. Modernize production systems, build accurate and auditable financial workflows, lead complex initiatives through deployment, and establish engineering practices. Use AI coding tools responsibly while ensuring software quality, security, testing, reliability, and maintainability.

Administer and improve CDC directory services, including Active Directory, FIM integrations, Exchange, DNS, DHCP, DFS, and related Windows services. Develop C# FIM extensions and PowerShell automation, synchronize SQL, LDAP, and directory data, troubleshoot escalated messaging and identity issues, monitor recovery processes, maintain documentation, and support deployments through approved remote-access and change-control procedures.