Top Entry Level C# Jobs in Houston, TX

Build and maintain resilient, cloud-native backend services using microservices, serverless, containerized, and event-driven architectures. Design scalable APIs and distributed systems across multiple regions, optimize cloud data stores and caching, implement security and compliance practices, and manage cost and performance through FinOps. The role uses .NET and C# alongside cloud platforms, databases, containers, monitoring tools, CI/CD, infrastructure automation, and messaging technologies.

Develop and maintain custom software applications throughout the full software development lifecycle. Responsibilities include learning codebases, writing and debugging code, analyzing requirements, designing system features, integrating disparate applications, and collaborating with clients and senior developers. The role may involve desktop, web, mobile, UI/UX, and business information solutions using technologies such as C#, .NET, JavaScript, React, Node.js, GraphQL, and cloud platforms.

Supports maintenance, content updates, cleanup, and evolution of existing websites while assisting with a unified web platform. Responsibilities include semantic HTML improvements, redirects, data organization, troubleshooting, frontend and backend development, performance, accessibility, SEO, security, API integrations, and codebase enhancements. The role also supports content migration, structured data, publishing workflows, and collaboration with a senior developer in a remote environment.

Designs, deploys, documents, monitors, and diagnoses cloud-based distributed services and client applications. Provides escalation support, supports AI-enabled software development, manages scaling and databases, maintains CI/CD environments, tests APIs, and monitors application releases and dependencies. The role collaborates across development and operations teams in a fast-moving product company.

Develop and maintain full-stack healthcare applications using C#, .NET, ASP.NET Core, JavaScript, and SQL Server. Design APIs, services, background jobs, database procedures, and responsive interfaces; troubleshoot across application and deployment layers; write automated tests; modernize legacy systems; build secure healthcare integrations; and protect sensitive data. Collaborate with product, QA, support, and implementation teams while participating in design reviews, code reviews, testing, and release validation.

Analyzes drilling data and rig performance to improve KPIs, operational efficiency, safety, and costs. The role develops reports, dashboards, roadmaps, and performance-improvement plans; performs root-cause analysis; supports field operations; trains personnel; collaborates with customers and stakeholders; and contributes technical expertise to monitoring systems, visualizations, and operational tools. Regular travel to remote worksites and field visits is required.

Analyzes drilling data and KPIs to optimize rig performance, identify process inefficiencies, develop improvement plans, and support field operations. The role creates reports and visualizations, performs root-cause analysis, advises customers and operations teams, trains personnel, evaluates monitoring technologies, and standardizes best practices. Regular field travel, customer engagement, and collaboration with technology, marketing, analytics, and operations teams are required.

Build small game projects and interactive scenes in a major game engine for AI assessment tasks. Create realistic gameplay bugs and multifaceted feature challenges, write clear task briefs and success criteria, develop reference solutions, and conduct thorough playtesting. Candidates should have game development experience, a strong portfolio, proficiency in Unity, Godot, or Unreal, familiarity with relevant scripting languages, debugging skills, and strong technical writing ability.

Designs and delivers Amazon Connect and Salesforce contact center solutions for enterprise customers. Leads discovery, technology assessments, ROI development, architecture, integrations, and cloud deployment discussions. Translates business requirements into contact center designs, oversees technical teams, manages stakeholder communications, and ensures projects meet quality, budget, and timeline goals. Provides customer training and documentation while guiding cloud infrastructure, automation, monitoring, security, and compliance practices.

As an AWS Solution Architect, you'll design and implement Amazon Connect solutions, improve customer processes, lead technical teams, and educate clients on AWS value.

Develop and maintain full-stack web applications and backend services across web, mobile, desktop, and cloud-native projects. Collaborate with developers and UX teams to design responsive customer-facing interfaces, integrate APIs, test across devices and browsers, troubleshoot defects, and improve development processes and technologies. The role requires modern web framework experience, database knowledge, RESTful API integration, Git proficiency, and strong analytical skills.

Develop and maintain automated test scripts, execute manual and automated testing, analyze results, identify and track defects, and perform regression testing. Collaborate with developers and distributed teams throughout the software development lifecycle to ensure application quality and testability. The role also involves using and validating approved AI-assisted tools for coding, testing, debugging, documentation, and technical research.

Develops coherent optical subsystem and manufacturing test solutions onsite. Responsibilities include configuring test instrumentation, supporting automated manufacturing test infrastructure, and developing .NET applications. Requires experience with optical and electrical test equipment, electronics schematics, VB or C# object-oriented programming, and SQL Server databases. Azure DevOps experience, analytical skills, and strong communication are preferred.

Build and support Ivanti’s global corporate website and digital experiences across the full web stack. Develop responsive, accessible front-end experiences and C#/.NET applications, CMS components, APIs, integrations, databases, and deployment pipelines. Collaborate with Creative and Marketing, implement analytics and privacy tooling, troubleshoot complex production issues, and manage projects from estimation through launch and support. Use AI coding tools while maintaining quality, security, performance, and maintainability.

Develop and maintain macOS systems software using modern C++, Swift, and Objective-C++. Work with process models, IPC, Endpoint Security, Network Extension, security and cryptography APIs, device and storage frameworks, packaging, deployment, and MDM tooling. Profile and debug performance using Instruments, LLDB, os_log, and os_signpost, while creating tests with XCTest, sanitizers, fuzzing, and xcodebuild CI. Support shared codebases across macOS, Windows, and Linux.

Develop and maintain cross-platform macOS systems software using modern C++, Swift, and Objective-C++. Work with IPC, daemons, system extensions, network and endpoint security, device and storage APIs, code signing, packaging, and deployment. Profile and debug performance issues, build automated tests and CI pipelines, and support Apple Silicon and Intel systems. Nice-to-have experience includes SwiftUI, AppKit, macOS beta testing, and shipping EDR, antivirus, network security, or device-management products.

Designs, develops, tests, deploys, and supports scalable enterprise software across web, native, and mobile platforms. Responsibilities include system architecture, cloud applications, APIs, integrations, data systems, security, performance optimization, technical documentation, Agile delivery, and production support. The role collaborates with distributed engineering and cross-functional teams, translates requirements into technical solutions, evaluates architectural tradeoffs, mentors engineers, and supports technologies including Salesforce, Azure DevOps, generative AI, and mobile frameworks.

Develops secure, scalable custom software solutions using React, .NET/C#, SQL Server, Power Platform, and Microsoft Copilot. Responsibilities include architecture, coding, design reviews, requirements analysis, technical documentation, configuration management, end-user support, troubleshooting, and vendor coordination. Collaborates with Business Analysts and QA Testers to deliver maintainable applications aligned with business needs.

Design and build complex customer-facing product features, own technical decisions, contribute to architecture and technical direction, uphold code quality, mentor engineers, and support production incidents. The role collaborates closely with Product and Design across a modern web stack including React, TypeScript, Node.js, .NET, relational databases, and Microsoft Azure.

Hands-on engineer supporting the design, integration, installation, commissioning, troubleshooting, and testing of automated marine vessel electrical and machinery-control systems. Responsibilities include PLC programming, HMI and instrumentation integration, I/O checkout, communications troubleshooting, equipment startup, sea trials, discrepancy resolution, documentation, and coordination with production, engineering, electricians, software teams, vendors, and test personnel. The role requires extensive shipboard and shipyard work, physical mobility, non-standard hours, and 95% travel.

Entry-level software engineering role in NOV’s one-year Pathway Rotational Program. Responsibilities include designing and debugging software for drilling equipment and applications, maintaining documentation, supporting implementation and training, troubleshooting software and hardware, gathering requirements, working with customers, and participating in design reviews. Candidates should be graduating in May 2027 or have graduated within the past two years in a relevant engineering or computer science discipline.

Own end-to-end deployments of Prividium for institutional financial customers, including integration code, permissioning, node topology, upgrades, and operational runbooks. Build reference applications for collateral, tokenized deposits, and settlement. Operate production infrastructure through an on-call rotation, troubleshoot incidents, and convert deployment learnings into platform improvements. Collaborate with product, sales, core engineering, and customer teams while working across regulated banking systems or crypto infrastructure.

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

Collaborate with customers to design and implement technical solutions, ensuring they meet needs and apply best practices. Engage in continuous learning and support project delivery with senior architects.

Execute scheduled, ad hoc, and release-milestone software tests; review test cases; report defects in issue-tracking systems; communicate status in standups; and collaborate with software test managers and development teams. The role requires knowledge of QA methodologies, black-box, grey-box, and white-box testing, strong communication and organization, independent and team-based work, and participation in planning and professional meetings.