Top Senior C# Jobs in Houston, TX

Lead the design and implementation of end-to-end quality systems and testing frameworks. Own multiple testing layers (unit, integration, E2E, contract, performance, chaos), integrate automated tests into CI/CD, drive load/performance testing and monitoring, troubleshoot failures, apply AI tooling to improve workflows, and collaborate with engineers, PMs, and designers to improve coverage and reliability.

Lead full‑stack development of microservices-based case management and workflow automation for DoD systems. Build REST APIs, responsive front ends, CI/CD pipelines, and cloud IL2–IL5 deployments while ensuring DISA STIG/RMF compliance, data protection, performance optimization, automated testing, Agile delivery, documentation, mentoring, and Tier 3 support during critical incidents.

Design, build and maintain .NET applications for the airline domain. Participate in requirements analysis, architecture and design, write scalable C#/.NET code, implement REST APIs and microservices, test and deploy systems, refactor and debug, document throughout the SDLC, provide application expertise and technical support, and apply cloud-native and DevOps practices.

Lead and manage engineers to design, build, and maintain production backend game services (sessions, matchmaking, progression). Diagnose incidents, participate in on-call, collaborate with cross-discipline teams, and produce clear technical documentation.

Improve and maintain automated build systems for a game team. Develop build software (Unreal Engine 5, primarily C#), monitor CI/CD health, provision on‑prem and cloud build resources, troubleshoot build failures, enable internal workflows, and collaborate with release and test teams to publish builds and test results.

Provide technical and architectural leadership to the software development team, design software solutions, mentor team members, and drive projects to completion.

As a Deployed Customer Engineer, you serve as a technical partner, implementing Couchbase solutions and collaborating with customers to achieve technical milestones and business outcomes. Responsibilities include coding, database architecture design, and troubleshooting deployment challenges.

Lead the design, development, and deployment of digital identity solutions for state governments, ensuring effective technology implementation and customer success.

Lead technical strategy and architecture for public sector digital identity solutions, ensuring technical excellence and customer success with hands-on involvement and high-level interactions.

Lead full-stack developer responsible for designing, building, and maintaining Salesforce Commerce Cloud e-commerce solutions and integrations (ERP/CRM). Mentor junior developers, provide technical leadership, troubleshoot issues, and deliver scalable, secure code while collaborating with cross-functional teams.

Lead development and implementation of advanced application engineering solutions for refinery process control and blending. Collaborate with product, sales, and manufacturing teams, provide technical support to customers, troubleshoot complex issues, drive continuous improvement, and present technical solutions to stakeholders.

Lead development and implementation of advanced application engineering solutions for process control and performance optimization in refineries. Collaborate with product, sales, and manufacturing teams, provide technical support to customers, drive continuous improvement, lead technical presentations, and contribute to technical documentation. Role includes up to 30% travel and focuses on Honeywell DCS applications (Experion/Total Plan System).

The Lead Technology Engineer will lead IT systems implementation, ensure network security, manage integrations, and enhance operational efficiency through automation.

Develop, test, and optimize ultrasonic and electromagnetic inspection systems for tubular products. Design and improve inspection procedures, troubleshoot field and manufacturing issues, analyze inspection data, validate systems, support deployments, and communicate findings to engineering, operations, and customers.

Support development, testing, and optimization of ultrasonic and electromagnetic inspection systems for tubular products. Design and improve inspection procedures, troubleshoot field and manufacturing issues, analyze inspection data, validate systems, support commissioning, and collaborate with multidisciplinary teams to deploy and improve NDT solutions.

Maintain and monitor production systems for availability and performance; lead incident response and postmortems; implement observability, alerting, and automated remediation; optimize distributed systems (AKKA.NET) and PostgreSQL; build CI/CD pipelines and infrastructure-as-code.

Develop and implement ultrasonic and electromagnetic inspection systems and NDE methodologies for tubular goods. Collaborate with multidisciplinary engineering teams, support field operations with scan plans, investigate inspection issues, and communicate technical findings through reports and presentations.

Lead turbomachinery design and product development: perform FEA, rotordynamics and hand calculations; select components/materials; approve manufacturing drawings; support aftermarket, startup, commissioning, root-cause analyses, cost reduction, vendor and customer integration, and development of standardized engineering deliverables and tools.

Design, develop, test, and maintain software for enterprise and embedded systems using C/C++, Python, and LabVIEW. Lead projects, mentor junior engineers, troubleshoot complex defects, create technical documentation, support deployments, and ensure compliance with AS9100/ISO processes.

Lead design and delivery of integrations platform features (SDKs, agents, pipelines). Improve integration authoring, reliability, scalability, observability, and developer tooling. Partner across product and customer teams, mentor engineers, and evaluate emerging technologies to scale integration development and agent-based workflows.

Serve as technical liaison between product, business, and development teams to define specifications, support application releases, manage change/defects, document integrations, and ensure performance, security, and cross‑functional alignment across Cloud, Infrastructure, and Security domains.

Design and coordinate control and instrumentation systems for industrial process cooling projects. Develop control strategies, sequences, I/O lists, panel reviews, commissioning support, FAT/SAT, instrumentation selection, electrical coordination, documentation, and technical oversight across project teams.

The Senior .NET Developer will work on developing and maintaining applications, mentor junior developers, and ensure compliance with regulations. The role requires expertise in full-stack development, particularly with SQL Server databases and Azure.

Design, develop, and maintain scalable software applications with a UI focus. Collaborate with product owners, tech leads, testers, and developers; participate in code reviews; write clean code; troubleshoot defects; improve development processes; and stay current with emerging technologies.

The Principal Software Engineer will provide architectural guidance, mentor developers, manage risks, and ensure high-quality software production across various teams and product areas.