Hire the Best .NET Framework C# Engineers in Texas

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Charles A.

McKinney, Texas

$25/hr
4.6
4 jobs

I have 10 years of professional experience with software. I have worked as a software developer, QA engineer, automation engineer and as an application security tester. I received my B.S. in Management Information Systems as well as my M.S. in IT Management from the University of Texas at Dallas. Some of my skills are written & verbal communications, self-discipline, time management and problem solving. I’m a team player and am willing to go the extra mile to ensure that the job is completed.

  • .NET Framework
  • ASP.NET MVC
  • Article Writing
  • JavaScript
  • Technical Writing
  • Android Studio
  • Security Testing
  • English
Adam N.

Bedford, Texas

$120/hr
5.0
4 jobs

I build AI-powered applications that ship to production and survive contact with real users. 𝟏𝟔 𝐲𝐞𝐚𝐫𝐬 of full-stack engineering, now focused on AI agents, RAG, and LLM integrations. I work on a .NET, React, and Angular foundation, which means I can also handle the parts that aren't glamorous: auth, deployment, databases, and a UI that doesn't make users cry. WHAT I BUILD ▸ AI Agents. Multi-step, tool-using agents that actually finish what you start them on. ▸ RAG Applications. Chat-with-your-docs, internal knowledge assistants, semantic search over private data. ▸ LLM Integrations. Adding GPT, Claude, Gemini, or open models into existing apps without breaking the rest of the codebase. ▸ Full-stack web apps. Angular or React on the front, .NET on the back, cloud-native on Azure or AWS. ▸ Legacy modernization. Moving 15-to-20-year-old codebases into the present. I've done this three times, including a beloved baseball simulator with millions of simulated games. STACK I WORK IN Backend: .NET 8, C#, ASP.NET Core, Entity Framework, Python, Go, Java Frontend: React, Angular, TypeScript, RxJS, Storybook, design systems AI: OpenAI, Anthropic Claude, Google Gemini, LangChain, vector databases, RAG pipelines, agent frameworks Data: SQL Server, Redis, MongoDB Cloud: Azure (Web Apps, Functions, SQL, Storage), AWS (Lambda, EKS), Terraform, Kubernetes Auth: JWT, OAuth, Auth0, ASP.NET Core Identity RECENT RESULTS ✓ Built and shipped a Google Gemini-powered AI system for automated outbound patient communications inside a physical therapy EMR platform, deployed across a network of rehabilitation hospitals and university health systems. ✓ Rebuilt a 20-year-old baseball simulation app (millions of simulated games, loyal user base) from classic ASP to .NET 8 and Angular on Azure. Improved 90-day user retention by over 10% and unlocked a new design system for the product team. ✓ Architected and shipped a multi-tenant SaaS platform for the event registration industry, migrating from on-prem data centers to Azure PaaS. Grew revenue 10% through direct client work and cut IT infrastructure spend by 40%. ✓ Led cloud architecture for a national crop insurance carrier across AWS and Azure. Set up Terraform-managed infrastructure, mentored a team of dev leads, and shipped a Figma-to-production design system bridging design, product, and engineering. WHAT A RECENT CLIENT SAID "I hired Adam specifically because of his wide variety of experience and his profound level of skill. Over 18 months he proved himself to be an active and helpful member of the team. His versatility and engagement was crucial to our growth. I would enthusiastically recommend him." — Jason, BaseHit HOW I WORK I show up, I listen, I write code that holds up under load. I'm comfortable being the senior voice in the room or the quiet pair of hands, whichever the project actually needs. I won't pretend to know something I don't, and I won't talk you into AI when a SQL query would do the job. If you're building something AI-powered and want someone who can also handle the unglamorous parts (the auth, the deployment, the schema, the UI that doesn't make users cry), let's talk.

  • C#
  • AI App Development
  • OpenAI API
  • AI Agent Development
  • Retrieval Augmented Generation
  • Full-Stack Development
  • .NET Core
  • Artificial Intelligence
  • Large Language Model
  • React
  • Angular
  • TypeScript
  • Java
  • Microsoft Azure
  • Vector Database
  • LangChain
  • Golang
  • Amazon Web Services
  • RESTful API
  • Python
Jason M.

Fort Worth, Texas

$120/hr
5.0
7 jobs

My work sits between fractional CTO leadership, custom software development, workflow automation, Microsoft Azure infrastructure, and applied AI. I can help define the technical strategy, map the operational problem, design the system, build the application, deploy it, and support it after launch. I am not only an advisor. I still actively code, architect, integrate, and troubleshoot. That allows me to move between business leadership and implementation without losing the details that determine whether a system actually works. I work best with businesses that need a technical partner who can: Understand the business process before recommending technology Translate operational problems into software requirements Design secure, maintainable systems Build custom portals, internal tools, APIs, databases, and integrations Modernize spreadsheet-heavy or disconnected workflows Deploy and manage applications in Microsoft Azure Add AI where it creates measurable operational value Support long-term maintenance, reliability, and process improvement A major part of my work is practical AI for business operations. I do not treat AI as a magic layer added to a broken process. Useful AI starts with clean workflows, defined data ownership, permission boundaries, logging, and clear human review points. I build AI-enabled systems for internal copilots, document intake, summarization, classification, data lookup, knowledge base search, workflow routing, reporting, and human-in-the-loop review. For regulated or data-sensitive environments, I focus on controlled adoption: what data AI can access, where review is required, how outputs are logged, and how the system fits into existing operations. I also design and administer Azure-hosted business systems. That includes application hosting, databases, storage, access control, monitoring, backups, production support, and hybrid or on-premise integrations. My goal is boring, reliable cloud infrastructure that is secure, maintainable, and cost-conscious. I build and maintain FlexPortal, a configurable business management platform for workflows, client portals, reporting, automation, secure document handling, and operational visibility. That work keeps me close to the same problems many clients bring here: too many disconnected tools, unclear ownership of data, repetitive manual work, and systems that no longer scale. My background includes custom CRMs, secure client portals, CMS platforms, asset management systems, lab automation, trust and financial services workflows, fraud prevention processes, internal business applications, workflow automation, and applied machine learning. Common projects I can help with include: Custom business portals and internal operations platforms Fractional CTO support for software and AI initiatives Azure-hosted web applications, APIs, and databases AI-assisted workflows and internal copilots OpenAI and GPT integrations for business applications Document processing, summarization, classification, and extraction CRM, project management, invoicing, and reporting systems Data integrations between disconnected platforms Dashboards and operational reporting Workflow automation and process cleanup Legacy system cleanup and modernization Secure client-facing portals and document workflows Azure administration, monitoring, backups, and maintenance Technical background: AI / Automation: OpenAI API, GPT-based workflows, AI agents, NLP, document processing, retrieval-based systems, Python, TensorFlow, PyTorch Cloud / Azure: Azure PAAS, Azure App Services, Azure Functions, Azure SQL, Azure Storage, Azure AI Services, hosting, monitoring, backups, access control, and hybrid integration, AWS Backend / Full Stack: .NET, .NET Framework, Flask, SQLAlchemy, PHP, Laravel, Java Frontend: Angular, Vue.js, Flutter, Next.js Data / Security: MSSQL, MySQL, Duende IdentityServer, role-based access, secure data design, Supabase, PostgresSQL I have 15+ years of experience in full-stack development, workflow automation, data systems, cloud-hosted applications, and applied machine learning. I also have an M.S. in Computer Science from Missouri University of Science & Technology and am a Certified Scrum Master with practical Agile and Lean experience. If you need someone who can think like a CTO, understand the operational problem, design the system, write the code, manage the Azure environment, and apply AI without creating unnecessary risk, I can help.

  • C#
  • Scrum
  • .NET Core
  • Python
  • Angular
  • Flask
  • ASP.NET Web API
  • Vue.js
  • JavaScript
  • SQL
  • ASP.NET MVC
  • ASP.NET
  • Web Application
  • HTML5
Reuben B.

Arlington, Texas

$90/hr
5.0
2 jobs

I am a veteran web application developer who has worked in the field since the late 1990s. I have used almost every framework or style that has come and gone. I enjoy what I do, and am confident that whatever your needs are, I can assist in bringing your project to completion. I have managed small teams and worked solo over the decades, and for the last 13 years, I have been a full-time remote contractor. If you have questions or even just need someone to evaluate your project, I can put my expertise to use for you. I care for my clients as I would want to be cared for by others, so you always get my best efforts.

  • .NET Framework
  • C#
  • Apache HTTP Server
  • Elixir
  • HTML
  • XML
  • Database Development
  • PHP
  • API Development
  • CFML
  • Database
  • Adobe ColdFusion
  • API
  • SQL
  • JavaScript
Shandy S.

Lubbock, Texas

$100/hr
5.0
1 jobs

Software Engineer with 18 years of experience consistently delivering to clients software that meets their needs. Combining years of experience with Python, Django, Perl, JavaScript, and C# with the ability to quickly and easily learn anything new, I am a creative and adaptive problem-solver who enjoys communicating and collaborating with clients to build the best solution customized to each client. I have extensive experience with: - Creating and integrating APIs - Navigating and improving difficult codebases - Finding and fixing challenging bugs - Designing feature modifications and new features - Building new, reliable features and modifying existing ones - Listening carefully to clients and communicating with them frequently

  • .NET Framework
  • C#
  • Python
  • JavaScript
  • Software Development
  • Django
  • Clean Architecture
  • Troubleshooting
  • Unit Testing
  • Manual Testing
  • Documentation
  • API Development
  • API Integration
  • Code Review
  • Software Design
Mark D.

Vernon, Texas

$30/hr
5.0
88 jobs

Microsoft Certified with 15+ years of full-time, professional experience as a software engineer in various fields such as Engineering, Higher Education, Human Resources, Accounting, and Manufacturing. Cloud (AWS): - Hosting and Storage | S3 - Global Content Delivery | CloudFront - Serverless Cloud Functions | Lambda - API Gateway | Deploy, manage, and secure APIs - Email | SES | Transactional and marketing email delivery - Virtual Private Servers | EC2 | Lightsail - DNS | Domain Registration | SSL Management | Route 53 Web & Application Development: - C# | ASP.NET Core | VB.NET | WinForms | WPF | Console - Python | Django - PHP | WordPress - Node.js | Lambda - HTML5 | JavaScript | CSS Automation & Scripting: - OpenAI | ChatGPT | integrations and automations - Python | scripting and API workflows - Windows | PowerShell task automation - Google Workspace | Sheets, Forms, Gmail, Apps Script - iOS | Apple Script | Shortcuts | Terminal automation Database: - SQL Server - Oracle - MySQL - SQLite Consultations and Mentoring: - Single Session | Debugging | Optimization | Q&A - Long-Term | Engineering | Architecture | Development | Cloud Infrastructure Please consider allowing me to be part of your next project. I look forward to the opportunity of making you my next satisfied client.

  • .NET Framework
  • C#
  • Microsoft SQL Server
  • Desktop Application
  • ASP.NET MVC
  • DevExpress
  • MySQL
  • ASP.NET
  • JavaScript
  • SQL
  • Web Development
  • PHP
  • WordPress
  • Windows Forms

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