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Payments .NET Application Developer
Charlotte or Scottsdale or Dallas or Cleveland or California or Colorado or District of Columbia or Illinois or Maryland or Massachusetts or Minnesota or New York or New Jersey or Washington
$44-$54/hr HybridFull Time
5+ YOE5+ years .NET development experience; proficient in C# and .NET core; relational DB experience (Oracle/MSSQL/PostgreSQL); Visual Studio and Git; strong OOP, design patterns, and communication skills; associate or bachelor degree.
.NET core, C#, Oracle, MSSQL, PostgreSQL, Microsoft Visual Studio, git, ASP.NET Core MVC, Web API, SQL Server, Entity Framework Core, ReactJS, VueJS, HTML, CSS, JavaScript, NUnit, xUnit, CockroachDB, Kafka
1mo
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Software Engineer
Denver, Colorado, United States
$120k-$150k/yr HybridFull Time
3+ YOE3–5 years software development experience; strong C# and TypeScript/JavaScript; .NET/.NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework; web technologies and frameworks; CI/CD and Git workflows; prompt engineering.
C#, TypeScript, JavaScript, .NET, .NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework, HTML, CSS, React, Angular, Vue, LLM, Git, GitHub, Microsoft Azure, Microsoft Azure DevOps, Microsoft Azure Data Factory, Docker, Kubernetes, AWS, SSAS, MDX, DAX, SSIS, Power BI, SQL Agent Jobs, Stored Procedures, Views
1mo
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Software Engineer (Full Stack)
Denver, Colorado, United States
$125k-$165k/yr HybridFull Time
6+ YOEBA/BS in CS or engineering required; 6+ years software development experience with C#, JavaScript, SQL/T-SQL, REST/.NET Core; experience with web development, React preferred, relational DB and SDLC (Agile/Scrum).
C#, JavaScript, SQL, TSQL, SQL Server, React, .NET Core, .NET, ADO, HTML, XML, ASP, AJAX, REST, Web services, Git, Jira, TeamCity, Octopus
1w
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C# Developer
Edmonton or Calgary or Toronto or Denver or Canada or India or United Kingdom or United States
OnsiteFull Time
Strong C#, .NET/ASP.NET Core, SQL, Azure and Cosmos DB experience; familiarity with Azure DevOps, Application Insights and Python; strong system design, problem solving and communication skills.
C#, .NET, ASP.NET Core, SQL, Python, Azure, Azure DevOps, Application Insights, Cosmos DB
1w
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Senior Software Engineer
Denver, Colorado, United States
$160k-$185k/yr HybridFull Time
5+ YOE5+ years backend software development with .NET/.NET Core and Web/REST APIs; frontend experience with React/Vue/Angular/Svelte and Typescript; SQL experience; unit testing; AI/LLM development experience; strong communication and problem-solving.
Cognition AI, Devin, Cline, Replit, Cursor, Azure OpenAI, Anthropic, GitHub, Azure DevOps, Bit, Microsoft Visual Studio Code, Microsoft Visual Studio, SQL Azure, SQL Server, Unknit, MSTest, PostgreSQL, Docker, Azure, AWS, GCP, GitHub Copilot, Windsurf, Codex
3mo
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IT Specialist (APPSW) - .NET - DHA
Denver or Urbana or Woodlawn or Durham or Wilkes Barre
$91k-$140k/yr OnsiteFull Time
1+ YOEIT specialist with .NET/.NET Core experience, REST APIs, SQL Server, and frontend skills; familiarity with AI tools and security controls preferred.
C#, NET Core, NET Framework, Entity Framework, MVC, JavaScript, AJAX, jQuery, Bootstrap, HTML, CSS, SQL Server, Visual Studio, Azure DevOps, Git, JSON, REST API
1w
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Senior Software Engineer
Denver, Colorado, United States
$130k-$150k/yr HybridFull Time
10+ YOE10+ years software development experience, 4+ years in senior roles. Strong .NET Core/.NET Framework, React/Angular, SQL Server, AWS, CI/CD experience; Bachelor's in STEM required; experience with AI coding tools preferred.
.NET Core, .NET Framework, React, Angular, SQL Server, AWS, CI/CD, Terraform, Datadog, GraphQL, ElasticSearch, Claude, GitHub Copilot, Cursor, Playwright, Model Context Protocols (MCP)
1mo
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Web Developer
United States or New York City or Chicago or California or Colorado or Washington
RemoteFull Time
Strong experience with C#, ASP.NET/.NET Framework/.NET Core, React or Python, SQL Server, HTML/CSS/JavaScript, Git; ability to work independently in a remote environment and support AI/cloud initiatives.
C#, ASP.NET, .NET Framework, .NET Core, React, Python, SQL Server, HTML, CSS, JavaScript, Claude Code, GitHub Copilot, Microsoft Azure, Git, API
2w
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Senior Software Engineer
Connecticut or West Virginia or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Michigan or Kentucky or Arizona or New Mexico or Nevada or Florida or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$110k-$140k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOE10+ years web development experience (C#, .NET, ASP.NET Core) and production AI/ML experience (LLMs, PyTorch/TensorFlow, LangChain, etc.); Bachelor’s in CS/Engineering or 15+ years experience; strong problem solving and customer-facing troubleshooting skills.
OpenAI, Azure OpenAI, Anthropic Claude, Gemini, PyTorch, TensorFlow, scikit-learn, ML.Net, LangChain, Semantic Kernel, RAG, vector databases, LLMs, ASP.Net Core, Web APIs, REST, JWT, OAuth, Azure AD/Entra ID, Blazor, Angular, MS Sql Server, EF Core, WinForms, WPF, .Net MAUI, Service Bus, Kafka, MSBuild, Git
2w
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Principal Software Engineer (REF# AT0630)
Denver or United States
$197k-$207k/yr RemoteFull Time
8+ YOEBachelor's in CS or related and 8+ years experience. Experience with C#, .NET Core, ASP.NET Core, Angular/React/TypeScript, Kafka/RabbitMQ, AWS/Azure, threat modeling tools, CI/CD, and automated testing (NUnit).
C#, .NET Core, ASP.NET Core, Angular, React, TypeScript, Kafka, RabbitMQ, AWS, Azure, Fortify, Checkmarx, Black Duck, Qualys, NUnit, SQL, CI/CD
2w
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Sr. Software Engineer II (Remote - US)
New York City or California or Oregon or Colorado or Texas or Wisconsin or Minnesota or Louisiana or Florida or Virginia or North Carolina or South Carolina or New Jersey or New York or Connecticut or United Kingdom
$130k-$150k/yr RemoteFull Time
7+ YOE7+ years full-stack SaaS development with .NET Core back-end and modern frontend frameworks (React/Angular/Vue); strong SQL, API, SRE/DevOps appreciation, Agile experience, bachelor’s degree or equivalent.
.NET Core, React, Angular, Vue, HTML, CSS, JavaScript, SQL, Stripe, Microsoft Office, Google Suite, Slack, JIRA
1mo
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Senior Software Engineer (PA25Q4SELDSJH004)
Denver, Colorado, United States
$125k-$145k/yr HybridFull Time
Proficient in C#, .NET Core, OO, SOA, agile practices, SQL, front-end JS/HTML/CSS, Web API; finance/trading domain experience preferred.
C#, .NET Core, SOA, Agile, SQL Server, HTML, CSS, JavaScript, Web API, TypeScript, Angular
1mo
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Software Engineer Sr
Colorado Springs or King of Prussia
$93k-$164k/yr OnsiteFull Time
Experienced front- and backend software engineer familiar with DevSecOps, GitLab/GitHub, Docker, Kubernetes, web frameworks (.NET Core, Spring Boot, Angular, React), automated testing tools (Cypress, Playwright, Postman), US citizenship and ability to obtain Secret clearance.
DevSecOps, GitLab, GitHub, Docker, Kubernetes, AstroUx, .NET Core, Spring Boot, Angular, React, Cypress, Playwright, Postman
1mo
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Staff Software Engineer, Partners & Integrations (Remote - US)
New York City or California or Oregon or Colorado or Texas or Wisconsin or Minnesota or Louisiana or Florida or Virginia or North Carolina or South Carolina or New Jersey or New York or Connecticut or United Kingdom
$170k-$190k/yr RemoteFull Time
8+ YOEBachelor's degree, 8+ years full‑stack SaaS experience, deep .NET Core and frontend (React/Angular/Vue) skills, API/integration platform experience, SQL knowledge, SRE/DevOps familiarity, mentoring ability.
.NET Core, React, Angular, Vue, HTML, CSS, JavaScript, SQL, Microsoft Office, Google Suite, Slack, JIRA, Stripe