Top Senior C# Jobs in Houston, TX

Develop and integrate mission-critical software within the TAK ecosystem, including ATAK, WinTAK, MILTAK, and TAK Server. Build CoT data pipelines, low-latency APIs, sensor and intelligence data ingestion systems, CI/CD pipelines, containerized deployments, and edge-deployed applications. Troubleshoot tactical networks and integration issues while translating defense mission requirements into scalable solutions. The role requires significant TAK ecosystem experience, multiple programming languages, security clearance, and up to 25% travel.

Seeking a senior C# developer with WPF/Silverlight skills to create and support .NET applications for Vericlaim, focusing on claims processing. Requires extensive experience in C#, SQL Server, and various .NET technologies.

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.

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.

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.

Develop and maintain Epicor ERP customizations, BPMs, dashboards, integrations, SSRS reports, and .NET applications. Support Epicor upgrades, patches, migrations, performance, data integrity, security, and tier-2/3 issues. Translate business requirements into technical solutions, document development practices, and collaborate with IT leadership, business stakeholders, vendors, and consultants across manufacturing, finance, and operations.

Develop and implement advanced blending application solutions for refinery process modeling, advanced process control, and real-time optimization. Collaborate with product, sales, manufacturing, customers, and other stakeholders to execute projects, resolve complex technical issues, improve application performance, and lead technical discussions. The role requires expertise in refinery operations, blending or off-site tank farms, Honeywell DCS platforms, programming, and customer-facing engineering support, with up to 30% travel to customer sites.

Develop and implement blending application engineering solutions for refinery process modeling, advanced process control, and real-time optimization. Collaborate with product development, sales, manufacturing, customers, and other stakeholders to execute projects, resolve complex technical issues, improve application performance, and support customer satisfaction. Lead technical discussions and presentations, contribute to technical documentation, and drive continuous improvement initiatives.

Administer and architect enterprise Linux, Windows, virtualization, hybrid cloud, storage, backup, observability, and infrastructure automation environments. Lead patching, vulnerability remediation, hardening, compliance, incident response, disaster recovery, and infrastructure projects. Automate operations with PowerShell, Python, and Bash; support CI/CD, containers, and infrastructure as code. Serve as a Tier 3 escalation, mentor administrators, and contribute to mission control, ground systems, and real-time Axiom Station flight operations.

Senior IT Developer responsible for developing, maintaining, and supporting the company MES, integrating it with Oracle EBS and process control systems. Duties include following SDLC and development standards, delivering performant production code, performing technical reviews, documenting technical designs, advising on requirements, unit testing, troubleshooting, and ensuring deployment-ready solutions.

Design and implement high-performance networking infrastructure for large-scale AI training on Azure. Lead architecture, produce secure, maintainable code, define test strategies, use AI tools for development and automation, review code, and collaborate across teams to ensure performance, scalability, reliability, and observability.

Define technical direction for hyperscale Azure Storage components; architect, develop, test, and support highly scalable, secure, compliant, and highly available cloud services. Lead multiple engineering projects, improve reliability, scalability, performance, consistency, and observability, and apply AIOps for incident detection, root-cause analysis, and operational excellence.

Leads the technical direction, architecture, development, and delivery of online account opening and loan application products. Builds backend and frontend features, integrates core banking and financial APIs, ensures KYC/AML compliance and production reliability, and oversees testing, observability, incident response, and CI/CD quality. Mentors and hires engineers while collaborating with Product, QA, Implementation, and Client Success teams to deliver scalable, secure solutions and successful client go-lives.

Develop and support software throughout the SDLC using Power Platform, Dataverse, .NET, C#, Blazor, and MAUI/Blazor Hybrid. Design scalable data models, integrations, automation workflows, APIs, authentication, and role-based security. Integrate hybrid applications with Power Apps and Dataverse, guide project teams, document technical solutions, and communicate with technical and non-technical stakeholders. Apply secure coding practices, accessibility standards, and AI-assisted development techniques.

Design, develop, test, deploy, and maintain enterprise GIS web and desktop applications throughout the software development lifecycle. Collaborate with clients and Agile teams to define requirements, make architectural decisions, write tested and documented code, conduct code reviews, troubleshoot defects and performance issues, and support production environments. The role requires modern frontend, backend, database, testing, version control, and CI/CD skills, with preferred experience in desktop applications, legacy systems, containers, security remediation, and AI/ML integration.

Own the design and implementation of WISEcode’s automated quality engineering ecosystem. Build AI-augmented UI, API, integration, regression, database, performance, and reliability testing frameworks for ASP.NET and Blazor applications. Integrate testing into CI/CD, improve observability and release confidence, investigate failures and race conditions, validate AI/ML outputs, and establish scalable quality standards and metrics across engineering teams.

Lead the design, delivery, and production adoption of integrations-platform features, including SDKs, agents, job pipelines, developer tooling, and related services. Drive AI-enabled integration authoring, reliability, scalability, observability, and cross-platform support. Partner across product, platform, and customer teams to translate needs into technical solutions while providing architectural leadership, mentorship, and hands-on guidance across distributed systems and workflow orchestration.

Develop and maintain backend applications using .NET, C#, Redis, OpenSearch, AWS, and cloud-native technologies. Responsibilities include troubleshooting software issues, optimizing performance and reliability, conducting code reviews, supporting applications, and leading software and process improvements. The role also involves mentoring colleagues, collaborating independently or with teams, and ensuring high-quality software delivery.

Work with customers and cross-functional teams to design, build, and deliver cloud-based solutions. Lead design, identify dependencies, mentor engineers, act as DRI and on-call, and improve availability, reliability, observability, and performance. Contribute to open-source assets and collaborate with Microsoft product teams to produce extensible, maintainable code and scalable solution patterns.

Develop backend software using C# and T-SQL for import functionality, performance optimization, and migration tooling. Design, implement, test, debug, document, and review high-quality code while managing integration and deployment tasks. Collaborate with product management on enhancements, participate in agile ceremonies, maintain security and regulatory compliance, and support critical issues through an on-call rotation.

Design, implement, and operate cloud-scale telemetry platforms and data pipelines for Azure Monitor. Lead cross-team architecture, mentor engineers, improve AI-enabled development practices, ensure security/compliance, and resolve complex production incidents.

Design, develop, deploy, and support complex OneStream software features and services. Own end-to-end delivery, APIs, SDKs, data contracts, performance, scalability, reliability, and production quality. Lead technical design discussions and code reviews, mentor engineers, improve CI/CD and testing practices, and collaborate cross-functionally. Build user interfaces with modern frameworks, resolve production issues, and responsibly use AI-assisted development tools while ensuring correctness, security, and architectural alignment.

Design, develop, and field high-performance Ground Control Station and C2 software using C++/Qt/QML and QGroundControl. Lead architecture and technical direction, mentor engineers, define APIs/ICDs, debug integration/latency issues, support field tests, implement post-mission debrief tools, and ensure interoperability with C2 standards.

Design, architect, develop, and maintain OneStream Marketplace solutions using web, cloud, SQL, and enterprise platform technologies. Lead design and code reviews, define APIs and coding standards, optimize application and database performance, support deployment automation, and ensure software quality. Mentor engineers, train new hires, guide requirements discussions, approve pull requests, and collaborate with technical and non-technical stakeholders to deliver customer-focused solutions.

Build and evolve scalable backend systems and APIs for a large SaaS platform. Partner with Product, Design, and QA from ideation through deployment, contribute to microservices architecture, improve testing and observability, identify operational risks, and mentor teammates. The role emphasizes reliable, maintainable solutions, strong collaboration, architectural decision-making, and continuous improvement.