Top Senior C# Jobs in Houston, TX

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Design, build, and maintain payment integrations and a reconciliation data platform for high-volume restaurant transactions. Implement terminal-to-cloud flows, ingestion pipelines, matching engines, reporting UIs, and payment analytics. Provide technical leadership, documentation, and mentor teammates to ensure reliable settlement and reconciliation.

Lead and implement security engineering controls across the platform: identify real risks, build secure-by-default libraries and guardrails, enforce least-privilege for services protecting patient data, harden developer machines, and partner with compliance to convert requirements into effective technical controls.

Build and maintain integrations connecting CoLab to CAD, PLM, and enterprise systems. Design and implement desktop and web capabilities, troubleshoot PLM/CAD workflows, collaborate with Product and Customer Success, and mentor engineers to deliver scalable, reliable engineering lifecycle software.

Design, develop, and maintain web applications, console apps, and RESTful APIs using C# and JavaScript. Collaborate on agile teams, perform code reviews, build internal tools, troubleshoot front-end issues, and deploy to Azure/Jenkins. Improve processes, follow best practices, and support CI/CD pipelines.

Designs, develops, tests, deploys, maintains, and supports enterprise software applications using C#, .NET, ASP.NET Core, SQL Server, APIs, and related technologies. Owns application performance, reliability, scalability, troubleshooting, and continuous improvement. Serves as a technical subject matter expert, contributes to architecture and technology decisions, partners with DevOps on CI/CD automation, and mentors engineers. Collaborates with business stakeholders, product owners, vendors, and project teams throughout the software development lifecycle.

Lead development and maintenance of automated and manual test processes for AI servers and HPC hardware. Create test programs, fixtures, diagnostics, and validation procedures; analyze failures and KPIs; troubleshoot and repair PCBs and test equipment; collaborate with quality, operations, and customers; implement continuous improvement and training; maintain documentation and support audits, NPI, and technical escalations.

Lead architecture and roadmap for Azure PostgreSQL systems; design and review scalable, maintainable database engine features (query processing, storage, transaction logging, recovery, versioning, IO, scale-out). Influence coding standards and run code reviews, write proof-of-concept or production code, contribute to open-source PostgreSQL/Linux, and participate in rotational on-call operations.

Lead and grow a developer experience team responsible for monorepo strategy, CI/CD, build systems, developer environments, and onboarding. Improve engineering velocity, CI reliability, and developer trust; establish standards, adopt AI-assisted workflows, and partner with infra/ML teams to remove friction for large-scale AI research.

Design and modernize scalable distributed systems for insurance eligibility, claims, and remittance workflows. Develop full-stack applications using React or Angular and .NET, optimize SQL Server databases, and lead end-to-end Epic delivery. Champion AI-assisted engineering, automated testing, CI/CD, code quality, system reliability, and technical mentorship while managing dependencies, DORA KPIs, and stakeholder communication.

Develop automated software tests and system-wide automation infrastructure for distributed systems. Collaborate with developers and QA teams, create tests replicating real-world scenarios, improve testing methodologies, validate requirements and test coverage, and solve large-scale distributed systems problems using coding and related internet technologies.

Design, develop, implement, test, and support high-quality internal software and customer-facing products. Enhance existing products and design APIs that integrate systems. Ensure security measures and perform code testing and reviews.

Develop and implement mobile games using Unity for iOS and Android. Collaborate with teams on gameplay features and optimization, ensuring quality code and user experience.

Develop user interface components for ArcGIS Pro using C# and WPF, work in an agile team, and design software solutions for raster and imagery processing.

Design, build, and maintain CRM+ features using C#, .NET, Vue, and SQL Server on Azure. Architect scalable services, use AI tools (Claude Code) in development, write well-tested code, mentor engineers, influence product and technical strategy, operate CI/CD, troubleshoot production issues, and collaborate cross-functionally.

Seeking a Senior Software Engineer to design and implement multimedia data systems using C# and .NET Core. Responsibilities involve developing high-performance applications, collaborating with teams, and driving engineering excellence in an Agile environment.

Lead full lifecycle development of high-volume enterprise web applications using C#/.NET and AngularJS. Contribute to architecture and design, develop and test scalable solutions, troubleshoot production issues, mentor developers, and collaborate with analysts and business stakeholders in an Agile/Scrum environment.

Lead design and delivery of cloud-native .NET services for a high-throughput trading platform. Own end-to-end systems, drive architecture and reliability, mentor engineers, participate in on-call and incident response, and occasionally contribute to React/TypeScript frontend work while establishing engineering standards and observability.

As a Senior Backend Engineer at Eight Sleep, you will develop and maintain back-end services and improve data processing, supporting critical business logic in distributed systems.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

Lead end-to-end customer rollouts of an AI-native planning platform: build and maintain data integrations, create performant financial models, develop AI-driven automated test harnesses, resolve data and performance issues, ship product fixes, and partner with finance stakeholders to operationalize solutions and feed product improvements back into engineering.

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 QA strategy and execution across game titles: author and manage test plans, coordinate with internal teams and external partners, improve automation and CI integration, maintain bug databases, evaluate and prototype AI-assisted QA tooling, and oversee certification and status reporting.

Leads a Trading Platform engineering team responsible for real-time order flow, execution, market data, integrations, reliability, and delivery. The manager sets team direction, hires and develops engineers, oversees performance and growth, drives operational excellence and incident readiness, influences technical roadmaps, and partners with Product, Engineering, infrastructure, and operations. Technical credibility in backend, distributed, high-availability systems and hands-on experience with .NET/C#, AWS, Docker, and Kubernetes are required.

The Senior Application Architect leads software architecture design across cloud and on-premises systems, ensures scalable integrations with Oracle EBS, mentors teams, and drives technical decisions while maintaining security and performance standards.