Top Senior C# Jobs in Houston, TX

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

Lead multiple software engineering teams to define strategy, prioritize projects, allocate resources, and deliver product software. Ensure modern architecture, application security, cloud and AI adoption, coach engineers, manage performance and budgets, and drive cross-functional collaboration to meet business objectives.

Designs, builds, and maintains integrations across Microsoft 365, the Power Platform, AI/Copilot, and line-of-business apps. Implements connectors, APIs, authentication patterns, and Copilot Studio agents; ensures security and compliance; drives adoption through documentation, training, monitoring, and iterative improvements; partners with Cloud Services, InfoSec, and business stakeholders.

Lead electrical and instrumentation CAD design for power-generation and industrial projects. Oversee drawing production, deliverables, constructability, safety, budgets, staffing, schedules, bills of materials, quantity takeoffs, and 3D model development. Integrate laser scans, LiDAR, vendor files, and survey data; coordinate with engineers, project managers, clients, and multidisciplinary teams. Check peer work, maintain standards, support proposals, lead remote CAD teams, and participate in meetings requiring occasional travel.

The Senior Software Engineer will develop reliable systems for IoT fleet management, create user interfaces, and support data engineering tasks.

Define and lead an enterprise-level test automation strategy across various layers, focusing on scaling automation frameworks, improving quality, and mentoring engineers. Collaborate on testing AI systems, enhancing CI/CD processes, and reducing flakiness in automation.

Lead technical delivery of Enterprise Content Management (ECM) solutions, guiding design, development, integrations, CI/CD, automated testing, and cloud modernization. Provide hands-on .NET development, incident resolution, operational readiness, and coach engineering teams while ensuring security, retention, and governance for content services.

Lead implementation of software safety programs for underwater robotic/autonomous vehicles per MIL-STD-882. Produce safety plans and assessments, perform hazard analyses, track coverage metrics, catalog safety artifacts, review software independently, and present findings at reviews and customer meetings. Coordinate across programs and support demanding schedules with occasional travel.

Remote Senior Software Engineer who evaluates Microsoft and complementary technologies, designs and implements custom software (C#, JavaScript, SQL), applies cloud and DevOps practices (Azure/AWS, CI/CD, containers), mentors and networks professionally, and continuously learns and advises clients.

Assess business requirements and existing systems, design and document solutions, define development approach, mentor developers, perform code reviews, ensure alignment with enterprise standards, liaise with infrastructure teams, resolve architectural issues, and deliver high-quality solutions on schedule.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

Lead development of automated API, UI, and end-to-end tests for a real-time trading platform. Extend AI-assisted test generation, build scalable CI/CD test frameworks for order lifecycles and market-data streams, reduce flakiness, triage failures, mentor engineers, and drive quality and testability across the product.

Build and optimize high-volume web applications using .NET, Node, React and AWS; maintain and improve existing systems; troubleshoot bugs; perform code reviews; mentor junior engineers; participate in on-call rotation; and improve scalability and performance.

Enhance and refactor an existing WinForms MES application integrating ERP and PLM systems, improve architecture for future development, deliver data collection, dashboards, and shop-floor functionality to support a paperless facility.

Full-stack .NET developer focused on front-end integration for customer-facing websites. Work includes C#/ASP.NET, WCF, Web API/REST, SQL/stored procedures, and UI development with JavaScript, Angular, Bootstrap, and Knockout. Collaborate with business and BAs and provide tooling guidance.

Develop, enhance, and support Windows desktop upstream scientific business applications. Collaborate with engineers and geoscientists, troubleshoot global client issues, apply OOP patterns, write testable code, and participate in UI and web application development.

Design, configure and develop Microsoft Dynamics CRM solutions; gather and document business requirements; perform architecture, integration and deployment; lead design sessions; mentor staff; work with Azure, SharePoint and MS BI; follow Agile practices and communicate status with customers.

Design, architect, develop, configure, integrate, validate and deploy Microsoft Dynamics CRM solutions. Gather and document business requirements, lead architecture sessions, mentor staff, and support CRM interoperability with Office365, SharePoint, Azure and MS BI.

Design, architect, develop and deploy Microsoft Dynamics CRM solutions. Capture and document business requirements, integrate CRM with Microsoft stack, lead client design sessions, mentor staff, and manage project delivery using Agile practices.

Design, develop, and maintain cross-platform and native mobile applications using .NET/C# and Xamarin. Perform architecture/design reviews, implement REST/SOAP interfaces, follow agile processes (JIRA), manage configuration (SVN/GIT), and support large-scale enterprise rollouts (MDM). Work in large teams; energy domain experience required.

Lead design and rewrite of cloud-native core systems. Build scalable back-end services and front-end features, drive architecture and testing discussions, mentor engineers, and improve telemetry, performance, and reliability.

Design, develop, test, review, and maintain high-availability EMS and grid automation software (load flow, contingency evaluation, state estimation, operator training simulators). Apply power system modeling, simulation, optimization, and numerical methods; collaborate in Agile teams across Linux and Windows; troubleshoot technical issues and ensure regulatory compliance.

Lead design, implementation, and delivery of software via CI/CD; maintain and optimize applications; drive architecture, code reviews, testing, security, and PCI DSS compliance; mentor engineers and lead scrum team activities.

Lead, mentor, and grow a software engineering team to deliver high-quality, scalable microservice-based solutions. Manage Agile processes, collaborate with Product, enforce engineering best practices, and drive continuous improvement in architecture, quality, and team performance. Participate in hiring, backlog planning, and drive measurable improvements in engineering execution.

Design, develop, deploy, and maintain backend components and large-scale cloud-based systems. Write tests, perform code reviews, debug, and collaborate with cross-functional teams to build scalable APIs, microservices, and reliable production software in an agile environment.