Top Senior C# Jobs in Houston, TX

Leads architecture and hands-on development of scalable backend systems and APIs supporting real-time applications. Owns the engineering lifecycle, writes high-performance code, establishes testing and reliability practices, resolves production issues, guides technical roadmaps, collaborates cross-functionally, and mentors engineers. The role requires expertise in object-oriented backend development, distributed cloud systems, automated testing, system monitoring, and technical leadership.

Leads development of secure, scalable, high-performance, low-latency trading applications and user interfaces for global trading desks. Designs, codes, tests, reviews, debugs, and improves software across the SDLC. Drives adoption of responsible AI-assisted engineering practices, automates recurring remediation, evaluates vendor technologies, and mentors teams on secure, resilient delivery.

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.

Design, build, and operate cloud-native, enterprise-grade SaaS services on Azure. Lead architecture and design, develop APIs and UIs, apply AI-enabled engineering tools, ensure observability, support production incidents, and drive reliability, performance, and CI/CD improvements across teams.

Lead and deliver Java-based microservices and APIs for global equities derivatives trading. Design cloud-native, scalable solutions, integrate AI-assisted development and agentic pipelines, support Java/C#/JavaScript front-ends, participate in code reviews, and mentor teams on secure, high-quality engineering and deployment practices.

Design, build, automate, and operate enterprise-scale Microsoft Hyper-V virtualization across global data centers. Lead architecture, performance benchmarking, full-stack troubleshooting, automation (PowerShell, DSC, APIs), C#/.NET platform development, security hardening, documentation, and mentoring to ensure resilient, high-performance virtualization services.

Design, maintain, and own high-throughput data ingestion and processing pipelines. Lead architecture and reliability initiatives, collaborate with Product Management, deliver scalable backend services (C#), and support observability, deployments, and operational support on cloud-native platforms.

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

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

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.

Design, develop, test, and deploy enterprise applications for the Nexus platform using full-stack technologies. Lead architecture and modernization initiatives, develop REST APIs and microservices, and implement Azure-based cloud and DevOps solutions. Mentor developers, conduct code reviews, improve software quality and performance, support automated deployments, and collaborate with product, QA, architecture, and business teams in an Agile environment. Troubleshoot production issues and reduce technical debt through scalable, secure, and reusable solutions.

Design and implement significant features, analyze product and database architecture for improvements, build RESTful APIs, enhance infrastructure and CI/CD, lead code reviews, mentor junior developers, and collaborate in agile ceremonies to improve reliability and efficiency.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Design, build, test, and operate production-grade, secure, and scalable software and services. Partner with customers to translate requirements into technical designs, drive engineering best practices (CI/CD, testing, observability), deliver end-to-end solutions, lead technical workstreams, and apply AI/LLM approaches where appropriate to produce production-ready outcomes.

Designs, develops, and scales enterprise process automation, custom applications, APIs, integrations, AI agents, and intelligent workflows. Partners with architects and business stakeholders to translate requirements into scalable Microsoft-based solutions. Responsibilities include integrating ERP, CRM, CPQ, databases, and cloud platforms; troubleshooting and optimizing software; participating in architecture reviews; documenting solutions; evaluating emerging technologies; and supporting governance, security, and compliance.

Own end-to-end full-stack features for client- and team-facing servicing applications. Design and implement front-end (Next.js/React) and back-end (.NET/C# with NestJS GraphQL), deploy and operate on AWS/EKS, use AI-assisted development workflows, collaborate with cross-functional and distributed teams, and mentor engineers while participating in on-call rotation for production reliability.

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.

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.

Lead design and implementation of modernized insurance underwriting and policy administration solutions. Drive cloud transformation, data-driven and secure architectures, improve risk selection and claims resolution, enhance customer experience through automation, mentor technical teams, manage client relationships, and oversee project lifecycle, budgets, and delivery quality.

Develop and maintain modern, data-driven full-stack .NET web applications using C#, ASP.NET MVC, Oracle SQL, PL/SQL, and Oracle APEX. Responsibilities include architecture, coding, testing, integrations, troubleshooting, root-cause analysis, performance improvements, source control, documentation, and solution design. The role collaborates with internal customers, supports process improvements, and follows software development standards.

Design, develop, and implement scalable, secure cloud solutions on Azure. Collaborate with architects and engineers to deliver infrastructure and data solutions, evaluate system architecture and risks, implement mitigation and secure development practices, support compliance and security activities, and maintain technical documentation.

Leads software engineering projects for a global index business platform within investment banking. Develops, tests, reviews, and debugs secure Python and TypeScript production code on the Athena trading and risk platform. Collaborates with quantitative research, trading, sales, structuring, and operations teams to deliver business solutions. Drives responsible adoption and governance of AI-assisted engineering tools, improves SDLC automation, influences platform design, and serves as a technical subject matter expert.

Design, implement, and operate cloud-scale secure data access features for Azure Blob Storage. Lead end-to-end development, collaborate with stakeholders, improve availability, observability, performance, and apply AI-assisted engineering to enhance productivity and operations.

Lead architecture and engineering for Azure core platform: define technology requirements, resolve cross-team issues, drive systemic reliability/performance improvements, mentor engineers, support on-call operations, and apply AI/ML to cloud operations.