Top C# Jobs in Houston, TX

The Senior C# Developer will lead AI enablement by transforming APIs into an Agent Mesh using C# and the MCP, ensuring secure AI interactions through Gravitee management.

Own and resolve complex, recurring trader-impacting issues by reproducing, diagnosing, and shipping code fixes. Write backend C#/.NET and React front-end code, build admin tooling, improve observability, lead incident response and post-incident reviews, and partner across engineering, QA, Cloud Ops, and Product to reduce recurring support toil.

Lead a team building the Entri scheduling and order management platform. Drive architecture, modernize legacy desktop apps into scalable SaaS, design and deliver distributed microservices, mentor engineers, partner with product and cross-functional teams, and resolve complex production issues to improve patient scheduling and coordination.

Design, develop, maintain, and support a complex web application and associated platform components (SQL Server, Windows services, desktop apps). Implement performant, secure back-end systems and intuitive front-end interfaces using .NET, C#, JavaScript/TypeScript, Blazor, and related technologies. Mentor team members, perform code reviews, follow SDLC/agile processes, interface with users to prioritize requests, and ensure compliance with corporate and ISO standards.

Develop and scale advanced digital workflows, automation, and computational design tools for AEC project delivery. Provide technical support and scripting (Dynamo, Python, C#, JavaScript), integrate multidisciplinary BIM workflows, run pilots, document rollouts, troubleshoot via ticketing, and train project teams to improve efficiency and consistency across offices.

Design, develop, maintain, and support AspenTech's DMC3 and GDOT web products. Translate customer requirements into features, implement secure scalable web solutions using Microsoft web technologies, leverage AI-assisted tools, collaborate across Product, Support, and QA for releases and customer adoption.

Develop, test, implement, and document software across the SDLC for low-to-medium complexity applications. Troubleshoot and enhance existing systems, design database objects and UIs, integrate C# applications with MS SQL and web APIs, implement unit testing, support end-users, lead technical projects, and ensure SOX/compliance adherence.

Leading a software engineering team, overseeing design and implementation phases, ensuring adherence to development standards, and collaborating with cross-functional teams.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

The Software Development Manager leads engineering teams, ensuring high-quality software delivery, mentoring engineers, and managing team development, while collaborating cross-functionally to align with business objectives.

As a Senior Full-Stack Engineer, you will design and deploy solutions for state governments, ensuring high standards of security and privacy while leading cross-functional teams.

The Test Automation Engineer will develop automated testing frameworks for Esri software, execute tests, manage defects, and ensure compliance with federal standards.

As a Windows Engineer at Upwind, you will develop security modules, lead projects from inception to production, and collaborate across teams.

Design and implement the OTX runtime, integrate with diagnostic protocols, and ensure quality through testing and concurrency management.

Lead a team responsible for payments and finance development, focusing on API integrations, security compliance, and team productivity improvements.

Lead a full-stack engineering team developing a payments platform, focusing on C#/.NET and cloud-native architectures, with mentoring and technical direction responsibilities.

Lead enterprise architecture for client reporting programs: set strategy for cloud data platforms, end-to-end pipelines, integrations, governance, and delivery. Guide program planning, chair governance, mentor teams, drive best practices, and commercialize client reporting offerings. Act as senior advisor to clients and accountable owner for architecture and delivery excellence.

As a Principal Software Engineer, you will architect AI-enabled systems, mentor teams, and guide technical decisions for scalable products.

Lead test strategy, automation, and performance engineering across web, mobile, and data systems. Build frameworks, run performance tests, mentor engineers, improve CI/CD test reliability, and define testing standards to ensure scalable, secure, and reliable software delivery.

The Associate Staff Engineer will lead automation testing efforts utilizing various tools and frameworks while mentoring teammates and implementing agile practices.

The Staff Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.

Design and build industrial applications across OT and IT layers using Rockwell platforms. Develop Logix and HMI solutions, edge-to-cloud integrations, APIs/microservices, time-series and visualization solutions, align control data models with enterprise/cloud systems, promote OPC UA standards, and support pre-sales/post-sales prototyping and technical demonstrations.

Lead design and implementation of scalable cloud services: define architecture, write and review maintainable code, build automated tests, and ensure reliability. Collaborate with stakeholders, drive deployments, monitor live services (on-call/DRI), and iterate using telemetry. Mentor engineers and promote engineering excellence, security, and compliance.

Design, build, and maintain shared backend platform services (C#/.NET, Node/TypeScript, Postgres/Redis, AWS). Improve reliability, performance, observability, and CI/CD for high-throughput, transaction-heavy workflows. Collaborate with product, payments, data, and infra teams, drive architecture and rollout, mentor engineers, and adopt AI-assisted development practices.

The Senior Software Engineer designs and develops complex features within OneStream solutions, ensuring technical excellence and mentoring other engineers. Responsibilities include architectural design, UI development, API creation, performance improvements, and collaboration across teams.