Software Developer Sr jobs in Westminster

TEKsystems

Lead Full Stack Engineer (Contract – Option to Extend) Contract Length: 6 months (typically eligible for extension; conversion dependent on business need and available roles) Work Location: Hybrid – Colorado Schedule: In-office Tuesday–Thursday, 8:00am–4:00pm (no overtime expected) Team Size: 4 engi

Lockheed Martin

Job Description: This position is participating in ourExternal Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you‘ll receive a payment! code-extrefer Senior Full Stack Software Engineer - Clearance Required WHAT WE‘RE DOING • Joi

Basic Qualifications Bachelor degree in Computer Science, Aerospace Engineering, Mechanical Engineer, or other related degree program from an accredited college/university Experience with SW Systems engineering Experience with directed energy or other laser systems Experience with various review eve

Enterprise Services Network

Lockheed Martin, a leader in the Aerospace & Defense industry, is seeking an experienced Software Engineer with Poly SR SWE1 to join our dynamic IT & Cybersecurity team. This role will focus on developing and maintaining high-level classified software systems that are critical to national security m

PNC

Position Overview At PNC, our people are our greatest differentiator and competitive advantage in the markets we serve. We are all united in delivering the best experience for our customers. We work together each day to foster an inclusive workplace culture where all of our employees feel respected,

BAE Systems

Job Description The Engineering, Science and Analysis (ESA) Strategic Capability Unit (SCU) at BAE Systems Inc, Space and Mission Systems Sector is looking to expand our team with a talented and energetic software engineer to work on satellite ground system software delivering new capability to the

About Cleerly We’re Cleerly – a healthcare company that’s revolutionizing how heart disease is diagnosed, treated, and tracked. We were founded in 2017 by one of the world’s leading cardiologists and are a growing team of world-class engineering, operations, medical affairs, marketing, and sales lea

Overview Lead Software Developers are responsible for designing and implementing software development projects. Responsibilities Team Leadership & Sales Support Provide technical guidance and act as a part of the leadership team Identify and assign tasks within the project team Assist with chang

Basic Qualifications Bachelor degree in Computer Science, Aerospace Engineering, Mechanical Engineer, or other related degree program from an accredited college/university Experience with SW Systems engineering Experience with directed energy or other laser systems Experience with various review eve

Requirements Must have: - Bachelors degree in Computer Science, Software Engineering, or a related discipline, or equivalent professional experience - Proven expertise in .NET development - Proficient in Microsoft Visual Studio and TFS / Azure DevOps - Web development skills, including HTML, CSS, Ja

Lockheed Martin

Job Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click Senior Full Stack Software Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovatio

Active TS clearance required; must be eligible for CI Polygraph. Applicants without an active TS clearance will not be considered.. North Point Technology is looking for a TS Cleared Software Engineer to support a critical mission. The program delivers cutting-edge intelligence and geospatial data m

Requirements Must have: - A minimum of 4 years of direct full-stack development experience. - Strong expertise in C# / .NET (Core or 8). - Proficient in JavaScript/TypeScript and Vue 2 or 3. - Solid understanding of relational databases (PostgreSQL or SQL Server). - Knowledge of HTML5, CSS/Less, T-S

Requirements Must have: - Full-stack developer with extensive experience in C#, Angular, and MS SQL Server - Security+ CE certification required - Proficient in developing within an AWS cloud environment - Experienced in providing DevSecOps support for AWS architecture and deployments - Excellent tr

Join a dynamic digital initiative as a Senior React Developer/Architect to create exceptional front-end solutions with a focus on React and TypeScript in Centennial, CO. <>Responsibilities Design and implement high-quality, scalable front-end features using React and TypeScript. Establish and

Lockheed Martin

Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data ana

Lockheed Martin

Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data ana

Lockheed Martin

Job ID: 712532BR Date posted: Apr. 09, 2026 Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing techn

Date Posted: 2026-04-17 Country: United States of America Location: US-CO-REMOTE Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future. The company will not o

No visa sponsorship is available for this opportunity! C2C or 1099 not available for this opportunity! Candidates MUST be on Prominent payroll as a W2 employee. Prominent is looking for a Sr. Full Stack Developer for a contract to hire opportunity . Candidates based within a commute to our client’s