C# jobs in Boulder, CO

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

Senior Software Engineer

Boulder, Colorado

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Today

Job details Compensation: $65-$72/hr Location: Boulder, CO Position: Senior Software Engineer Inceed has partnered with a great company to help find a skilled Senior Software Engineer to join their team! Responsibilities: Lead backend development for a legacy .NET/C# platform upgrade project. Modernize outdated .NET frameworks and libraries to improve system performance and maintainability. Collaborate occasionally on front-end tasks using Angular. Independently solve complex technical challenge

Contract

USD 65.00 - 72.00 per hour

Stock Loan Senior Developer C#/.NET

Remote

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Today

Role: Stock Loan Senior Developer C#/.NET Location: NYC (Remote) Experience: 7+ Years Job Description We are looking for a "Senior C#/.NET Developer with strong Stock Loan and Capital Markets" experience. The ideal candidate will have hands-on experience developing financial applications and strong expertise in C#/.NET technologies. Required Skills: * 7+ years of software development experience. * Stock Loan domain experience is required.* * Strong *C#, .NET, WPF, and WCF* development skills. *

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Full-time

Depends on Experience

Senior Programmer (C# .Net)

Remote or Hybrid in Los Angeles, California

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Today

Job Title: Senior C# .NET Developer Remote Duration: 12 Months Skills Required The Senior Programmer will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; operating systems installation and configuration procedures; organization's operational environment; software design principles, methods and approaches; principles, methods and

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Third Party, Contract

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

C#/.NET Developer

Remote

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2d ago

Required qualifications Strong professional C#/.NET backend-service development experience. Practical Java coding experience; candidates are not expected to be stronger in Java than in .NET. Experience designing, building, and supporting microservices or distributed systems in production. Hands-on experience with Kubernetes, containers, Helm, Terraform, Azure, and CI/CD pipelines. Experience with telemetry, monitoring, observability, debugging, and troubleshooting production services. Experience

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Contract

Up to 50

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

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

C# Developer

Remote

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Today

Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their

Full-time

USD 168,480.00 - 280,800.00 per year

Managing Engineer (C#/ASP.NET)

Remote

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Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Managing Engineer (C#/ASP.NET) leads a team of softwa

Full-time

USD 100,000.00 - 170,500.00 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 Engineering Intern

Louisville, Colorado

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Today

Overview We are seeking a full-time Software Engineering Intern at our office in Louisville, CO. In this role, you will be responsible for learning and training to develop software for Garmin's communication and navigation products in a team-oriented environment under supervision. Essential Functions Learn to develop software in C, C++, Assembly language, or other selected languages for Garmin communication and navigation products in accordance with Garmin's software development methodology wit

Full-time

USD 30.00 per hour

Simulation Engineering Intern - Summer 2027

Golden, Colorado

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Today

As a Simulation Engineering Intern at Lunar Outpost, you will play a crucial role in the development and enhancement of simulation models used to test our robotic systems under various scenarios. This internship will provide you with a comprehensive view of the simulation process in robotic systems development, from conceptual modeling to the detailed analysis of results. All interns will work directly alongside full-time engineers on real, engaging, and impactful projects, providing tangible va

Full-time

USD 24.00 per hour

Software Development Intern, Summer 2027

Lakewood, Colorado

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Today

Description Tyler Technologies is looking for Software Development Interns to join our team next summer! The Software Development Intern will experience the day-to-day development practices of a high-tech software company. This person will be a valuable resource conducting research, testing, and coding of new products. To ensure that this is a well-rounded, real-world experience, the intern will receive guidance from a Product Manager, participate in team meetings, and work on actual projects i

Full-time

Windows Software Engineer C# - C++

Remote or Phoenix, Arizona

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Today

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Full-time

Senior ETL & SQL Developer.

Denver, Colorado

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Today

Hi, I hope you are doing well! Currently, we have a job opening for Senior ETL & SQL Developer. with our direct client, Thornton, CO. The position details are given below. If you are interested, you can call me or reply with your latest resume. Here are the Job details for your review. Job Title: Senior ETL & SQL Developer. Location: Thornton, CO 80229 - (Hybrid) Duration: Full Time Position Summary Senior ETL & SQL Developer. We need to hire a senior developer with advanced technical ex

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

Firmware Engineer

Boulder, Colorado

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14d ago

Benefits Information This job posting is anticipated to remain open until October 9th, 2026 Onsite in the Boulder/Gunbarrel office. Full-time employees will enjoy a competitive benefits package with options for you and your family including: 3 weeks Paid Time Off 15 Paid Holidays 401(k) Matching Health Insurance Vision Insurance Life Insurance Health Savings Account Tuition Reimbursement Employee Discount Reduced Tuition Rates Disability Insurance Employee Assistance Program 401(k) Pet Insura

Full-time

USD 90,000.00 per year

Software Engineer II - Fullstack

Westminster, Colorado

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Today

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals

Full-time

USD 113,000.00 - 136,000.00 per year

Senior Software Engineer (.NET)

Commerce City, Colorado

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Today

Software engineers are responsible for the complete life cycle of a new or modified software product, from research and design to implementation, training and support. Essential Duties: Designs, modifies, develops, writes and implements software programming applications supporting internal business requirements or external customersSupports and/or installs software applications, may include end user training and documentationDocuments and maintains software functionality including break/fix an

Full-time

USD 135,000.00 - 140,000.00 per year

Product Support Engineer

Longmont, Colorado

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Today

Who We Are Stored Energy Systems (SENS) is an award-winning manufacturer of premium quality power conversion products located in Longmont, CO. In business for over 50 years, SENS is the market leader with a proven track record of providing highly reliable battery chargers, DC power systems, and related products to industrial markets. For more information on our company please see our web site at View the SENS Product Catalog Summary SENS is seeking a self-motivated Product Support Engineer to

Full-time

USD 129,000.00 - 191,000.00 per year

C# jobs in Boulder, CO, USA