Top Senior C# Jobs in Houston, TX

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.

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.

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.

Provides technical leadership for designing, developing, implementing, and supporting Microsoft Dataverse, Dynamics 365, and Power Platform solutions. Translates architecture and business requirements into technical approaches, leads proofs of concept and troubleshooting, guides engineers, and develops complex components using C#, .NET, JavaScript, Azure services, APIs, plug-ins, and PCF controls. Partners with architecture, delivery, quality, and DevOps teams on integrations, CI/CD, application lifecycle management, releases, and production support.

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 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.

Develop and maintain internal full-stack applications using C#/Blazor or Python. Build CI/CD pipelines and infrastructure automation with GitLab, Azure DevOps, GitHub, Artifactory, and SonarQube. Partner with cross-functional teams to improve software delivery, code quality, security, compliance, and operational visibility. Implement scalable enterprise solutions, infrastructure as code, secure development practices, and DevSecOps workflows.

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.

Designs, builds, and maintains full-stack web applications, ERP and CRM integrations, REST APIs, and customer-facing platforms. Develops React interfaces and Python Flask or .NET backend services, manages Microsoft SQL Server databases, integrates Power BI reporting, and maintains CI/CD pipelines. The role also addresses production issues, system performance, security, reliability, code reviews, and architectural planning.

Develop and maintain full-stack web applications across frontend and backend systems. Responsibilities include feature delivery, code reviews, debugging, performance optimization, scalable architecture, API and database integration, documentation, and collaboration with product and QA teams. The role uses modern frontend frameworks, backend technologies, cloud services, and relational databases while supporting industrial and energy-sector applications.

Performs and verifies nuclear radiological engineering analyses, including shielding, fluence, criticality, reactivity control, control rod design, spent fuel pool criticality, and transport package assessments. Supports regulatory compliance, documents technical results, coordinates with customers and project teams, improves processes, and mentors early-career engineers. The role requires extensive nuclear power plant experience, MCNP expertise, and knowledge of radiation transport methods and reactor licensing.

Develops, integrates, tests, deploys, maintains, and troubleshoots enterprise software across Microsoft platforms. Builds web, desktop, cloud, Microsoft 365, API, and AI-enabled solutions, including generative AI and LLM applications. Gathers requirements from legal and business stakeholders, leads technical project work, supports vendors, improves development standards and roadmaps, and ensures secure, scalable application delivery.

Partners with stakeholders to gather requirements and deliver Salesforce and SiteTracker solutions. Configures platform objects, workflows, permissions, automation, and integrations; develops Apex, Lightning Web Components, Visualforce, and SOQL solutions. Supports solution design, testing, deployment, production troubleshooting, root-cause analysis, and continuous platform improvement while collaborating with Business, QA, and Development teams.

Develop and support .NET applications using Microsoft technologies, including WinForms, ASP.NET MVC, .NET Core, SQL Server, React, and Entity Framework. Responsibilities include web and desktop development, responsive UI creation, debugging, software engineering, source control, production deployment, and application support. The role involves working directly with users and requires strong communication, independent problem-solving, teamwork, and onsite attendance in Houston at least four days per week.

Leads the design, development, integration, testing, and optimization of laboratory information management systems and related applications. Develops APIs, data pipelines, interfaces, and integrations with laboratory instruments and enterprise systems. Provides technical leadership, mentors developers, troubleshoots complex issues, supports testing and escalated incidents, maintains documentation, and ensures regulatory, audit, security, and data integrity compliance.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Develops and maintains full-stack web applications, including front-end interfaces, back-end services, APIs, servers, and databases. Designs scalable solutions handling large datasets, optimizes SQL and database performance, troubleshoots complex defects, and supports architecture, testing, releases, and code reviews. Converts a complex 4D application to an ASP.NET MVC web application while integrating with existing systems. Provides technical guidance and mentorship to junior developers in a clinical and medical environment.

Develops, integrates, secures, tests, deploys, and supports full-stack enterprise solutions across web, digital banking, APIs, databases, cloud platforms, and Symitar/Episys systems. Responsibilities include front-end and back-end development, API integrations, database optimization, automated testing, CI/CD, documentation, production troubleshooting, security, compliance, and technical guidance throughout the software development lifecycle.

Develops and supports Azure integration solutions using Logic Apps, Azure Functions, API Management, Event Grid, and Service Bus. Writes C#/.NET code, builds REST and SOAP integrations, manages Azure SQL and storage, and defines infrastructure with Terraform. Implements CI/CD, monitoring, diagnostics, retries, idempotency, and secure access controls. Collaborates with stakeholders on technical designs, documents solutions, and troubleshoots production systems.

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Provides senior-level support for ETL pipelines and software applications processing healthcare data. Responsibilities include troubleshooting production issues, developing code fixes, optimizing SQL and NoSQL databases, deploying and monitoring jobs, documenting processes, collaborating with customers and cross-functional teams, and improving operational reliability. The role also participates in Agile ceremonies, supports CI/CD automation, and provides occasional weekend support.

Build and operate full-stack certificate management, security, monitoring, and vulnerability products. Develop TypeScript APIs and React frontends, design MySQL schemas, manage AWS workers and Kubernetes infrastructure, maintain legacy .NET and Python services, integrate partner APIs, improve CI/CD and observability, participate in on-call support, and develop AI-assisted features. The role includes code reviews, testing, incident resolution, technical documentation, and mentoring engineers.