C# jobs in Colorado

Senior DevOps Engineer | C#/.NET | CI/CD | PowerShell

Remote

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Today

Senior DevOps Engineer C#/.NET & Automation Remote Role Fulltime/W2-Infinite Computer Solutions Position OverviewWe are looking for a Senior DevOps Engineer with strong C#/.NET development experience to build and enhance CI/CD pipelines, deployment automation tools, and reusable automation frameworks.This role is ideal for someone who combines software engineering expertise with DevOps practices to streamline deployments, improve efficiency, and deliver scalable automation solutions.Key Respons

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Full-time

Up to $120,000

Senior Architect / C# / Greenfield

Boulder, Colorado

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Today

A growing software startup is seeking a Senior Software Architect to join its engineering team in Boulder, Colorado, working in a hybrid environment with three onsite days per week. This full-time opportunity offers the chance to help build SaaS products using C#, .NET, SQL Server, and modern development practices. Working alongside experienced founders and a small, highly collaborative team, you'll play a key role in designing and developing a product intended to unify business operations into

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Full-time

$200000 - $220000

Application Full Stack Developer -- API C#, ASP.NET, .NET Core, MVC

Remote

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Today

Dear Candidate, If below requirement suits you then please share your updated resume. New position: Application Developer/Architect Duration: 12 months 100% Remote C2C Rate: $60/hr Skills and Role: Design, develop, and support enterprise applications using Microsoft technologies and modern web frameworks. Work closely with business stakeholders to deliver secure, scalable, and high-performance solutions. Key Skills: C#, ASP.NET, .NET Core, MVCReact, JavaScript, jQuery, HTML, CSS, BootstrapSQL S

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Contract

60+

OpenLink Endur Developer / Specialist (.NET / C#)

Remote

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Today

Position OverviewWe are seeking an experienced OpenLink Endur Developer with a strong technical background in .NET / C# to design, develop, test, and maintain custom solutions within our Endur ETRM/CTRM platform. In this role, you will collaborate with business analysts, trade support, and risk teams to deliver robust custom OpenJVS/OpenComponents (.NET) scripts, plugins, report builders, and system integrations across energy and commodity trading desks. Key ResponsibilitiesDevelopment & Customi

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Contract

00+

.Net/ C# Developer with EDI X12 - Rate is $60/hr - Remote

Remote

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Today

Must provide 2 Managerial references for this role Remote role - Must have X12 EDI AWS 8+ years software engineering experience with distributed, high-volume transaction-processing systems.Healthcare EDI/X12 exp, particularly 270/271 eligibility, Service Type Codes, and payer connectivity.Strong C#/.NET backend development, including async programming, performance tuning, resiliency, and automated testing.Experience with event-driven architectures and messaging, preferably RabbitMQ or equivalen

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Third Party, Contract

Depends on Experience

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Precision is seeking a Senior Full Stack Developer for a contract position supporting our Fortune 100 client. This fully remote role requires work during Eastern Time business hours and focuses on building and supporting software across the UI, backend, APIs, databases, and cloud. You will develop with C#/.NET and Angular while designing APIs and microservices. Strong AWS experience is essential, including DynamoDB, SQS, SNS, S3, Lambda, and Terraform. The role also includes technical documentat

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Contract

DOE

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

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Contract

DOE

Senior Software Engineer - .NET, C#, WPF

Remote

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Today

Job Description A Global Software Engineering company is seeking a Senior Software Engineer to develop and extend business applications for enterprise clients while providing technical leadership and mentorship to the development team. Working within an Agile Scrum environment, you will build and enhance applications across desktop and mobile platforms, including WPF, UWP, iOS, and Android. This role combines hands-on software development with project ownership, client engagement, and solution

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Full-time

$115000 - $130000

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

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Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

Jr - Mid level C# .Net Full Stack developer IOT

Remote

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2d ago

Jr - Mid level C# .Net Full Stack developer IOT Client is unable to sponsor visa at this time, so looking for USC. Required 26 years full-stack development shipping production software React / TypeScript + .NET C# or Python backend IoT protocol experience (MQTT, AMQP) or edge software integration Software packaging: installers, containers, or update agents AI tools in daily dev (Cursor, Copilot, Claude Code) CI/CD familiarity (GitHub Actions or equivalent) Nice to Have Medical device soft

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Contract

Depends on Experience

Senior Software Engineer

Remote

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8d ago

Payrate: $70.00 - $70.44/hr.SummaryAs a Senior Software Engineer, you will be a driver for many of our projects here at Company. You will interface with technical teams, lead projects, and mentor more junior engineers. You should be thorough in your designs and implementation, passionate about code quality, performance, and continuous improvement. You should be able to take a holistic view of software development; keeping the big picture in mind and seeing a project through from beginning to end

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Contract

$70 - $70.44

Junior Tester

Remote

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3d ago

Team (Project) Introduction 9thWay Insignia is seeking a Junior Tester for manual testing of C#, Visual Studio, and .NET-based applications in support of the to support the Department of Veterans Affairs (VA) Procurement Systems Management (PSM) under the electronic Contract Management System (eCMS) System Integration & Operational Support Services (SI/OSS) program. The candidate will be capable of participating in exploratory and functional manual testing. This role requires technical knowledge

Full-time

$62818 - $67500

.Net Software Developer :: Remote

Remote or New Jersey

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Today

.Net Developer/.Net Software Developer California, MD, US Remote, but in office on occasion or as needed Fulltime-- This software developer analyzes, designs and develops computer software required to support hardware or technical service products. Performs systems modeling, simulation and analysis. Reviews system architecture, selects, and implements appropriate development and support tools to ensure product performance. The products are components of the military aviation mission planning e

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Full-time

Senior Software Engineer - Backend C#

Louisville, Colorado

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Today

Overview We are seeking a full-time Senior Backend C# Software Engineer at Garmin's location in the Greater Denver area. In this role, you will be responsible for providing technical leadership and project planning for software development for TrainingPeaks products, applications, or systems new to Garmin as an individual contributor. Essential Functions Serves in a leadership capacity as an individual contributor for carrying out software development in C#, .NET, or other selected languages fo

Full-time

USD 133,500.00 per year

Senior Software Engineer C#/.NET

Denver, Colorado

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Today

Company Description We're one of the world's leading online gambling companies, revolutionizing the industry since 2000. Founded by Denise Coates CBE, we now employ over 10,000 people and serve over 120 million customers in 26 languages. We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of growth opportunities, giving them the opportunity to make a real impact in the world of online ga

Full-time

USD 120,000.00 - 155,000.00 per year

Software Engineer III: Backend C#

Remote

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Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

Software Developer

Remote or St. Louis, Missouri

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Today

Software Developer Location: Remote Type: Long Term Contract Overview We are seeking a skilled Software Developer with strong expertise in C# .NET, SQL Server, Azure, Angular, and deployment pipelines. The ideal candidate will also have experience developing with Claude AI tooling, bringing modern AI integration into enterprise applications. This role offers the opportunity to work on innovative projects in a fully remote environment. Responsibilities Design, develop, and maintain application

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Full-time, Part-time, Third Party, Contract

USD 60-70

Senior Software Engineer (.Net)

Remote

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9d ago

Senior Software Engineer - .NET & Enterprise SystemsAbout the RoleWe are seeking a Senior Software Engineer to join an enterprise technology team focused on building, maintaining, and modernizing critical business applications. This is an opportunity for an engineer who enjoys working within complex, established environments and understands that great software engineering is about more than writing code. Youll be responsible for understanding how systems support the business, translating real-wo

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Contract

$70

Azure DevOps/SRE

Remote

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3d ago

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities. Azure DevOps Engineer / Site Reliability Engineer (with Development Experience) Overview We are seeking an Azure DevOps Engineer with strong Site Reliability Engineering (SRE) experience and a solid background in software development

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Third Party, Contract

$65 - $75

.Net Developer - in person interview

Remote

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6d ago

Role: .Net Developer Location: 100% remote Duration: Long term We are looking for an experienced .NET/C# Developer with strong web services, Windows-based application development, and SQL development skills. The ideal candidate should be comfortable troubleshooting complex issues and working independently. Key Skills/experience required:.NET/C# developer with Services experience (RESTFUL, WCF, etc.).NET frameworksWindows based development (WPF, WinForms)SQL developmentAbility to troubleshoot and

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Third Party, Contract

50 - 55

C# jobs in Colorado, USA