Top C# Jobs in Houston, TX

Lead a cross-functional agile engineering team while remaining hands-on in architecture and coding. Mentor engineers, coordinate with Product and QA, improve delivery practices, CI/CD, operational reliability, and cloud-based systems, and drive modernization and engineering standards.

Design, analyze, test, integrate, and operate propulsion systems for Nova-C and Nova-D lunar landers. The role supports propulsion hardware across fabrication, qualification, acceptance, vehicle testing, launch campaigns, and flight operations. Responsibilities include requirements development, test planning, equipment and ground-support hardware development, data analysis, anomaly investigation, documentation, and cross-functional collaboration. More experienced engineers may lead technical efforts, mentor engineers, and coordinate multidisciplinary activities.

Supports the design, selection, integration, qualification, environmental testing, verification, and troubleshooting of spacecraft GN&C flight hardware, including sensors, actuators, and avionics interfaces. Responsibilities include trade studies, vendor management, AIT support, HIL and integrated system testing, technical documentation, flight readiness preparation, and post-test or post-flight analysis.

Join Hone as a Quality Engineer II to own testing and automation for small features and bugs. Write and maintain test cases and reliable Playwright and API tests, chase flaky tests, run exploratory checks, produce clear bug reports, use AI-assisted tooling responsibly, and follow patient-data guardrails.

Lead design and implement large-scale backend storage features for Backblaze's object storage platform, focusing on host-managed SMR support, IO benchmarking and performance optimization, driving technical decisions, mentoring, and delivering production rollouts across thousands of servers.

Work on Backblaze's storage platform (B2 Object Storage and Computer Backup) to improve durability, throughput, and architecture. Lead technical design, drive implementation of large features, shape coding practices, and participate across design, implementation, testing, and rollouts while collaborating proactively in a remote-first team.

Provide L2/L3 support and enhancements for Microsoft Dynamics workloads; build and maintain Azure Functions and integrations; manage CI/CD with Azure DevOps; triage and remediate cloud vulnerabilities daily; support DR readiness, performance tuning, and controlled releases to production.

Lead a team of software engineers to deliver backend services, platform components, automation, observability, and AI-assisted tooling. Own end-to-end delivery, architecture, testing, and operational readiness. Drive engineering standards, cross-functional collaboration, hiring, coaching, and continuous improvement with emphasis on security, reliability, and scalable platform patterns.

Develop and maintain Tailscale's Windows client and contribute to cross-platform client and backend code. Build UI and platform integrations using WinUI/Windows native frameworks, write unit and integration tests, implement Windows platform features while preserving compatibility, and collaborate asynchronously across a distributed engineering team.

Design, build, and maintain applications, APIs, and services for Magna's Jury Consulting business; partner with stakeholders to translate requirements; contribute to architecture, CI/CD, testing, DevOps, production reliability, and AI-assisted development; mentor engineers and evaluate emerging technologies.

Lead design and delivery of scalable, secure lending and credit card solutions. Drive cloud-first modernization (Azure/cloud), API and integration strategy, production stability, prototypes, and mentor engineering teams while influencing enterprise architecture and business-aligned technical direction.

Lead design and delivery of Microsoft Dynamics 365 and Power Platform solutions including requirements gathering, architecture, integrations, customizations, data migration, and full project lifecycle implementation. Collaborate with clients and technical teams, mitigate risks, refine specifications, improve delivery processes, and travel to customer sites for demos and meetings.

Assess business requirements and existing systems, design and document solutions, define development approach, mentor developers, perform code reviews and NUnit testing, ensure alignment with enterprise standards, work with infrastructure architects, and resolve architectural issues to deliver quality solutions on schedule.

Design, develop, and support Windows and web applications and web services using .NET (C#/VB.NET, ASP.NET). Work with SQL Server (SSRS/SSIS) and Oracle, participate in full SDLC, produce technical specifications, and collaborate with team members and internal customers. Support and configure COTS solutions.

Develop, test, and maintain web applications across the full application lifecycle. Write clean object-oriented code, implement REST APIs, work with relational and NoSQL databases, deploy to cloud-native infrastructure, participate in Agile teams, support production systems (on-call), and create automated tests for reliability and performance.

Senior .NET full-stack developer responsible for custom application development, API integrations, database optimization, deployments, troubleshooting, performance, security, and production support using .NET/C#, ASP.NET Core, SQL, modern frontend frameworks, cloud, and CI/CD.

The role involves developing APIs, building internal tools, and collaborating with teams to enhance system performance while solving engineering challenges.

The Software Engineer (Fullstack) at Sumble will develop and optimize software applications, manage data integration, enhance security, and ensure a high-quality user experience.

Lead end-to-end technical strategy and modernization of iHerb's product catalog platform. Define architecture, data models, APIs, and service boundaries; write production code; drive cross-team technical decisions, mentorship, and AI-driven SDLC standards. Coordinate multi-team efforts, ensure engineering quality, and represent engineering across product, data science, security, and infrastructure.

Own and modernize iHerb's product catalog across backend, React frontend, and relational data. Build end-to-end features, use AI-driven SDLC tools, write automated tests, ensure observability, participate in on-call incident response, and contribute to shared engineering standards.

Lead the architecture and evolution of SHI's eCommerce platform, focusing on design, scalability, security, and collaboration with stakeholders while mentoring engineers.

Lead design and delivery of full-stack imaging features, architect high-performance ASP.NET Core services, build Vue frontends, integrate APIs with EMRs and imaging partners, mentor engineers, enforce automated testing, CI/CD and observability, and drive technical roadmap in an Agile team.

Design, build, and test APIs and services for RoadieXD; develop internal and customer-facing React tools; partner with Product and Operations to deliver scalable, reliable features; influence architecture, write maintainable code, and improve system performance and developer experience.

Lead a small scrum team as hands-on technical authority, writing and reviewing full-stack C#/.NET, Angular, and Oracle code; run sprint ceremonies; drive AI-first tooling adoption; manage and develop 4–5 engineers; coordinate cross-functional delivery and client engagement.

Lead a small scrum team as the daily technical authority: write and review full-stack C#/.NET and Angular code, run scrum ceremonies, set priorities, unblock engineers, enforce quality standards, drive AI-first tooling adoption, manage 4–5 engineers, engage client stakeholders, and coordinate cross-team delivery and release readiness.