Top C# Jobs in Houston, TX

Design, build, and maintain scalable test automation frameworks and tooling (Playwright, C#, JS/TS). Integrate automated tests into CI/CD, develop end-to-end, integration, and performance tests, apply AI techniques for test generation and defect detection, troubleshoot system issues, mentor QA teams, and drive automation and quality engineering best practices.

Twelve-week virtual fellowship teaching Palantir Foundry and AIP through live sessions and projects. Expect 5–10 hours/week, hands-on training, mentorship, certification opportunity, and potential interviews for employment. Program is unpaid.

Lead and mentor cross-functional teams to design, build, and deliver scalable enterprise software and product solutions. Own engagement relationships, translate business objectives into product roadmaps, drive CI/CD and quality practices (ATDD, code reviews), oversee APIs and microservices integration, manage project planning, budgets, and risk, and champion continuous improvement and innovation.

Lead SRE efforts for DFIN SaaS: ensure availability, performance, scalability, and automation. Implement monitoring, CI/CD, IaC, container orchestration, AI-enhanced observability, incident response, RCA, and runbook automation while collaborating across engineering teams.

As a Senior Software Engineer, you'll develop and build tools for creative projects while leading feature development and collaborating with teammates.

Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.

As a Lead Software Engineer, you'll design and develop GenAI platforms, integrate LLMs, mentor engineers, and solve technical challenges for scalable solutions.

Senior Software Engineer responsible for developing and maintaining web applications and microservices (React, Golang). Mentor team members, lead code reviews, influence technical decisions, improve CI/CD and testing strategies (unit, E2E, performance), collaborate across teams on integrations, and promote engineering best practices and documentation.

The Quantitative Developer will assist with client onboarding, support, implement and maintain new functionality for portfolio compliance, and improve team documentation.

Lead architecture and hands-on development of the end-to-end video pipeline (live ingest, transcoding, storage, playback, and developer SDKs). Mentor engineers, collaborate across mobile/web/ML/platform teams, own monitoring and on-call support, and help scale video streaming and VoD capabilities for millions of streams and clips.

The Senior Software Engineer will lead projects for the Forms platform, designing and building features across web, mobile, and backend systems while mentoring other engineers and improving platform scalability and reliability.

Lead design and implementation of modernized P&C insurance solutions, driving cloud transformation, data-driven and secure architectures, underwriting and claims improvements, customer experience enhancements, team mentoring, client relationship management, and continuous operational improvement.

Lead design, development, and documentation of enterprise software. Provide technical vision, mentor engineers, implement and support privileged access management (CyberArk) and PKI/certificate lifecycle automation (Venafi or equivalent), and build internal tools and automation using languages like Python, PowerShell, C#, or Java. Collaborate with stakeholders and ensure scalable, maintainable solutions.

Design, develop, and support enterprise output solutions using C#, .NET, JavaScript, and SQL. Build and maintain Windows Forms/WPF apps, Windows Services, REST/SOAP APIs, and ASP.NET MVC/Core systems. Troubleshoot application and SQL performance, support CI/CD, implement security remediation, participate in on-call rotation, and collaborate across product and business teams.

Lead design and delivery of cloud-based solutions, collaborate with customers and product teams, produce extensible code, mentor engineers, own design documents and dependencies, act as a designated responsible individual (DRI) including on-call system monitoring, and improve reliability, performance, and observability at scale.

Lead installation, configuration, migration and development of SCADA-based applications. Gather requirements, design/approve solutions, perform code reviews, support DB migrations, deliver training, troubleshoot, build tools, mentor team members, and travel to customer sites (~25-30%).

Design and document solution architectures and integrations for GTM business applications; build reusable frameworks and components; partner with architects, developers and stakeholders to modernize applications; ensure security, compliance, reliability, and lifecycle support while driving automation and continuous improvement.

Develop, enhance, and support internal .NET web applications. Gather requirements, write/test/debug code, participate in code reviews and testing, and deliver features on schedule while working closely with users.

Design, develop, test, deploy, and maintain software solutions. Collaborate with product managers, designers, and engineers, write clean maintainable code, participate in code reviews, build automated tests, debug and resolve defects, and follow Agile/DevOps practices.

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.

Design, develop, and maintain reliable, secure software; analyze requirements; produce architectures and estimates; implement and test code; perform code reviews; mentor juniors; create documentation and support product testing and client collaboration.

Provide advanced technical support for large MongoDB customers across the full MongoDB ecosystem (server, drivers, Atlas, Cloud Manager). Troubleshoot performance, architecture, recovery, security and storage issues end-to-end, develop support tools, mentor new hires, and liaise with product and engineering teams. Work EST shifts with a weekend shift expectation after ramp and participate in occasional off-hours coverage or regional events.

Administer and maintain Smart P&ID projects and related 2D applications, lead P&ID data management, develop automations/customizations, produce documentation and training, coordinate deployments and handovers with IT and information managers, and communicate industry/application updates to stakeholders.

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

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.