Top C# Jobs in Houston, TX

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

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 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.

Design and operate large-scale, AI-native cloud infrastructure (especially Kubernetes/AKS). Improve service quality, automate incident prevention/remediation, accelerate engineering productivity, and integrate AI tools into development workflows.

Leads cross-functional software development efforts, including architecture, design, development, testing, deployment, support, code reviews, and technical problem resolution. Mentors developers, establishes coding standards, improves system scalability and availability, manages source code, promotes unit testing, estimates work, and supports Scrum team delivery. The role requires .NET, web development, APIs, microservices, distributed systems, cloud, databases, and software testing experience.

Lead and grow an engineering team building core VM and container platform capabilities for Azure. Drive technical strategy, execution, incident resolution, cross-team coordination, and scalable, secure platform innovations.

Supports client-facing technical issues, escalates bugs, monitors production systems, troubleshoots web and email problems, updates backend data, and contributes to software features, data pipelines, APIs, and responsive applications. Works cross-functionally with Engineering, Product, QA, and Data teams while developing skills in web technologies, SQL, cloud environments, accessibility, and generative AI.

Leads the enterprise architecture practice and owns the organization’s three- to five-year technology vision, strategy, governance, and roadmaps. Advises executives and the board on technology investments, risk, architecture, and major partnerships. Oversees architecture standards, cross-domain decision-making, technology evaluations, due diligence, and platform strategy. Mentors architects across application, data, infrastructure, security, and enterprise domains while advancing organizational architecture maturity, scalability, compliance, security, and cost efficiency.

Leads delivery for a payroll engineering team while contributing hands-on to complex payroll and tax features. Responsibilities include mentoring engineers, conducting code reviews, partnering with Product Management, translating roadmaps into engineering work, and ensuring reliable releases. The role champions AI-assisted development, supports CI/CD and DevOps practices, communicates technical risks, and helps resolve production issues affecting payroll processing.

Design, build, and improve software test automation frameworks and production-quality test code. Develop unit, integration, end-to-end, performance, and security tests for distributed systems. Collaborate with product, design, engineering, operations, and business teams throughout the SDLC. Translate requirements into test solutions, conduct code and design reviews, debug issues, document work, and mentor junior engineers.

Lead the migration from legacy Azure services to a Kubernetes-based, containerized microservices platform. Design, build, and scale infrastructure, implement observability (monitoring/alerting/logging), drive incident response and SLOs, automate with IaC and CI/CD, optimize cost and networking, mentor teams, and document systems to ensure reliable, scalable healthcare platform operations.

Develops and maintains AML product features for transaction monitoring, alert generation, case management, risk scoring, sanctions screening, and regulatory compliance. Responsibilities include data mapping, integrations, detection tuning, troubleshooting, QA, UAT, release management, documentation, and collaboration with compliance, risk, data science, and product teams. The role also supports machine learning applications, security, privacy, audit readiness, and mentoring within a flexible India-based work environment.

Supports and enhances software, data, reporting, integration, and internal systems. Responsibilities include troubleshooting applications and data pipelines, maintaining SQL and Power BI environments, writing code, debugging APIs, supporting deployments and incident response, documenting solutions, working helpdesk tickets, and applying approved AI tools securely. Collaborates with engineers, analysts, developers, and business stakeholders to resolve issues, automate work, improve systems, and reduce operational burden.

Develop and maintain ChartCheck, a full-stack application supporting radiotherapy plan checking and clinical workflows. Responsibilities include building performant WPF desktop software, DICOM integrations, image and dose visualization, DVH evaluation, architecture, testing, code reviews, and technical decision-making. The role collaborates with physicists and product leaders, mentors teammates, and requires front-end and back-end development across C#, .NET, JavaScript, databases, and cloud systems.

Build and maintain scalable full-stack web applications using .NET, React, Next.js, and Azure. Responsibilities include feature delivery, API and microservices development, testing, code reviews, architecture, performance optimization, security, CI/CD support, cloud deployment, and production support. Senior engineers will mentor teammates and influence engineering standards, while early-career engineers receive mentorship and progressively greater ownership.

Build and maintain scalable backend services, RESTful and GraphQL APIs, database schemas, and cloud infrastructure. Own architecture decisions, optimize performance and reliability, improve CI/CD practices, collaborate across product and engineering teams, lead architecture sessions, review code, and mentor junior developers.

Designs, develops, integrates, deploys, and supports commodity trading, risk management, credit, and retail pricing applications. Translates business requirements into technical solutions, leads complex projects, troubleshoots production incidents, performs root cause analysis, and supports modernization through cloud, DevOps, automation, and CI/CD. Partners with stakeholders and vendors, manages technical risks and priorities, improves development standards, and mentors junior developers.

Partners with stakeholders to gather requirements and deliver Salesforce and SiteTracker solutions. Configures platform objects, workflows, permissions, automation, and integrations; develops Apex, Lightning Web Components, Visualforce, and SOQL solutions. Supports solution design, testing, deployment, production troubleshooting, root-cause analysis, and continuous platform improvement while collaborating with Business, QA, and Development teams.

R&D intern developing and validating compiler features for high-performance computing. Responsibilities include analyzing CPU/GPU performance, reading PTX and LLVM assembly, implementing hardware intrinsics and mathematical algorithms, fixing compiler bugs, creating benchmarks and demos, and writing technical documentation. The role requires strong C++ or C# skills, understanding of memory management and object-oriented programming, and interest in CUDA, OpenMP, GPU architecture, algorithms, and numerical methods.

Lead customer-facing HPC deployments and serve as the escalation point for complex hardware, operating system, application, and compiler issues. Deploy and debug GPU-accelerated Kubernetes clusters across on-premises and cloud environments, using Python, C#/.NET, CUDA, and ROCm. Diagnose issues involving NVIDIA and AMD GPUs, high-speed interconnects, PCIe topology, and driver stacks. Create technical documentation, reproduce customer failures, and collaborate with engineering and R&D on bug reports and product improvements.

Develop compiler and high-performance computing solutions that translate .NET and Java bytecode into optimized CUDA and ROCm code for CPUs and GPUs. Analyze customer algorithms, design parallel implementations, extend compilation infrastructure, build reusable libraries, and optimize throughput and latency. Apply expertise in GPU programming, compiler architecture, mathematics, and software engineering to deliver performance matching or exceeding hand-tuned binaries.

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.

Leads hands-on development of full-stack applications using .NET, React, Next.js, and Azure. Owns architecture, coding, code reviews, testing, security, reliability, observability, production support, and cloud deployment. Integrates AI and GenAI capabilities such as LLM features, RAG, semantic search, and agentic workflows. Mentors engineers, establishes technical standards, collaborates with stakeholders, supports hiring, and helps deliver scalable, secure software.

Develop and modernize enterprise applications using C#/.NET and PostgreSQL, including refactoring a Microsoft Access/VBA application. Responsibilities include writing maintainable code, participating in code reviews, testing, documentation, deployment, and collaborating with the software development team in a fully remote environment.

Develop and implement Microsoft Power Platform solutions across discovery, design, development, testing, deployment, training, and support. Build Canvas and model-driven Power Apps, automate processes with Power Automate, and deliver Power BI, SharePoint, Dataverse, Fabric, and data integration solutions. Serve as a technical SME, establish implementation standards, manage governance and security, collaborate with stakeholders and QA teams, resolve production issues, and present solutions to technical and executive audiences.