Top Senior C# Jobs in Houston, TX

Develop and deploy customer-focused web, mobile, and backend applications across the full software stack. Design major features, contribute to architecture decisions, conduct code reviews, and ensure secure, high-quality implementations. Collaborate with stakeholders and cross-functional teams using Agile and SDLC practices. Manage version control, CI/CD, environments, and releases; maintain automated test coverage and perform root-cause analysis. Build and optimize relational data solutions using SQL Server, including complex queries, stored procedures, and performance tuning.

Leads and develops a Scrum-based software engineering team, improving Agile practices, planning, delivery predictability, workflow management, KPIs, and software quality. Partners with technical and business stakeholders in a Microsoft technology environment, balancing production support with strategic development initiatives. Coaches developers, supports staffing and resource planning, and provides technical leadership without serving as the primary developer.

Design, develop, test, deploy, and maintain scalable enterprise applications using .NET, C#, Angular, Blazor, SQL Server, REST APIs, and messaging technologies. Lead technical initiatives, participate in architecture and Agile processes, mentor developers, collaborate with business users, troubleshoot production issues, and deliver secure, maintainable software solutions.

Designs, develops, and maintains enterprise integrations for an Energy Trading and Risk Management platform. Builds REST and SOAP APIs, integration services, batch processes, messaging workflows, and event-driven interfaces using C# and .NET. Implements data transformations, validation, error handling, monitoring, reconciliation, and logging. Supports testing, troubleshooting, root-cause analysis, performance optimization, and deployment while collaborating with architects, ETRM teams, infrastructure groups, business analysts, and vendors.

Leads the design, development, testing, integration, and support of enterprise software using Microsoft Power Platform and Azure. Builds Power Apps, workflows, Dataverse solutions, REST integrations, custom APIs, and secure cloud applications. Drives software engineering standards, ALM, CI/CD, DevSecOps, architecture, troubleshooting, and continuous improvement. Partners with business and technical stakeholders, mentors engineers, conducts research and demos, and delivers scalable solutions for enterprise maintenance modernization.

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.

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.

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.

Provides technical leadership for complex industrial automation and SCADA customer projects from initiation through closeout. Leads requirements confirmation, software and hardware specification alignment, project planning, system design, execution monitoring, risk management, issue resolution, customer communication, installation, commissioning, training, and financial reconciliation. Guides technical teams and supports customer-site deployments, including high-pressure problem solving and interactions with government and private-sector customers. Requires 20–50% domestic and international travel.

Designs, develops, deploys, and supports scalable enterprise applications, cloud platforms, APIs, and AI-powered solutions. Responsibilities include software architecture, system integrations, data pipelines, generative AI implementation, performance and security optimization, technical documentation, and collaboration with distributed teams. The role also mentors engineers and contributes to Agile delivery. Candidates must have extensive software engineering experience, strong architecture skills, and be available onsite in Houston five days per week.

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.

Volunteer senior developer to design, build, and maintain a cross-platform medical scheduling app (web, iOS, Android). Participate across the full development lifecycle: design, coding, testing, CI, deployments, code reviews, production support, incident management, and platform architecture. Attend weekly standups and commit at least four hours per week.

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Build, test, deploy, and support production software using .NET/C#, React or Next.js, cloud platforms, databases, observability, and modern architecture patterns. Incorporate Claude Code, Gemini CLI, AI agents, MCP, and automation into structured engineering workflows while validating AI-generated output. Own delivery from planning through production, implement secure integrations and testing, document architectural decisions, troubleshoot systems, identify risks, and mentor engineers on responsible AI adoption.

Lead forward-deployed engineering engagements for strategic enterprise customers, diagnosing and resolving complex Windows deployment, management, update, application, performance, reliability, and security issues. Build automation, scripts, diagnostic tools, prototypes, and technical solutions; collaborate with Windows and Intune engineering teams on product fixes; and convert customer solutions into reusable playbooks and tools. Communicate findings to technical and executive stakeholders while delivering measurable improvements to Windows install-base health.

Define architectural direction for Azure Specialized platform services and lead the design of highly available distributed cloud systems. Drive reliability, scalability, observability, security, diagnostics, and operational improvements across engineering organizations. Establish service health frameworks, SLOs, metrics, and governance for mission-critical services. Mentor engineers, influence technical strategy, resolve complex cross-system challenges, and advance AI-assisted troubleshooting and platform modernization.

Provides senior technical advisory and incident-response support for enterprise Azure cloud-native applications and AI solutions. The role improves reliability, performance, scalability, security, observability, and cost efficiency through assessments, telemetry analysis, root-cause investigations, architecture guidance, automation, and modernization planning. It coordinates Microsoft support, engineering, account teams, and customers during complex production incidents, participates in on-call rotations, and serves as a trusted technical advisor.

Work with customers and cross-functional teams to design, build, and deliver cloud-based solutions. Lead design, identify dependencies, mentor engineers, act as DRI and on-call, and improve availability, reliability, observability, and performance. Contribute to open-source assets and collaborate with Microsoft product teams to produce extensible, maintainable code and scalable solution patterns.

Design and implement PostgreSQL internals, indexing, query engine extensions, and storage-layer features to support large-scale document workloads on Azure. Profile distributed systems, tune performance, collaborate with open-source communities, conduct design/code reviews, and drive cross-team alignment for mission-critical database features.

Design and implement PostgreSQL internals and indexing/query features for large-scale document workloads, extend query engine with BSON-aware operators and custom scan nodes, tune index pruning and storage, profile distributed systems for performance, collaborate with open-source DocumentDB/PostgreSQL communities, and participate in design/code reviews.

Lead investigation and mitigation of complex distributed storage issues for Azure Managed Disks. Design algorithms for load distribution, monitor system behavior, debug performance and availability problems, collaborate across teams, mentor engineers, act as on-call DRI, and improve observability and reliability at hyperscale.

Build and own full-stack features for ServiceTitan’s Exteriors contractor workflow, spanning sales through production. Develop C#/.NET backend and React/TypeScript frontend systems, design reliable data models, debug distributed systems, and contribute to architecture and technical decisions. Collaborate with product managers, designers, and engineers to translate contractor needs into maintainable, well-tested software while navigating ambiguity in a newly formed product area.

Develop and operate high-throughput, low-latency telemetry pipelines and cloud services for Azure AI/HPC infrastructure. Build observability, monitoring, analytics, and automation capabilities; own architecture through deployment and operations; and lead incident response, root-cause analysis, reliability improvements, and operational readiness. Partner across engineering and platform teams, influence technical roadmaps, mentor engineers, and apply distributed systems, AI infrastructure, and cloud operations practices at hyperscale.

Own the architecture, implementation, and operational excellence of major Azure Boost DPU software components. Develop low-level systems software spanning operating systems, virtualization, networking, storage, device management, and hardware interfaces. Lead complex cross-functional initiatives, optimize hyperscale performance and reliability, resolve system-level issues, establish engineering practices, influence platform architecture, and mentor engineers across Azure infrastructure teams.