Senior Software Developer Jobs in Denver, CO

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Senior Software Engineer

ONEflight International

•

Englewood, Colorado, USA

Full-time

ONEflight International is the fastest growing market leader developing and implementing technological solutions for non-commercial air travel through the proprietary online Book a Jet platform. With nearly 500 world-class aircraft charter operator partnerships and a network of 5,000 private jets worldwide. The demand for Private Air Travel has surged in the last two years with future predictions confirming the demand is here to stay. ONEflight has emerged as a Leader in this space through innov
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Posted 39 days ago | Updated 24 days ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

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Aurora, Colorado, USA

Full-time

Description Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% c
Posted 9 days ago | Updated 19 hours ago

Sr Software Engineer (Level 4)

Eliassen Group

•

Englewood, Colorado, USA

Contract

Description: **Hybrid | Englewood, CO** Our client is one of the fastest growing TV, internet and voice company. They are committed to integrating the highest quality service with superior entertainment and communications products. Our client is at the intersection of technology and entertainment, facilitating essential communications that connect 24 million residential and business customers in 41 states. Their commitment to serving customers and exceeding their expectations is the bedrock of
Posted 11 days ago | Updated 8 hours ago

Software Engineer Senior

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Do you have a commitment to success, proven interpersonal skills, a positive outlook? Are you a creative thinker and problem solver? Are you looking for a meaningful career? If so, then we would love to speak with you! Engineering & Technology is a dynamic and growing organization that plays a vital role in providing mission-critical intelligence solutions by optimizing satellite constellations, processing data through its entire life cycle and developing reliable cutting-edge i
Posted 15 days ago | Updated 8 hours ago

Senior Software Engineer I

DigitalOcean

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Denver, Colorado, USA

Full-time

We are looking for an engineer who will help lead the development and support of current and future storage platforms at scale. The Storage Team supports the operations and development of block volumes, backups and image management, and object storage. The ultimate goal of the Droplet Storage Team is to create a cohesive singular interface to hypervisor storage where storage class placement decisions are transparent to the hypervisor client and take advantage of the full range of available bloc
Posted 56 days ago | Updated 9 hours ago

Sr Software Engineer- Epic Bridges

Commonspirit Health

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Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha
Posted 29 days ago | Updated 9 hours ago

Senior C++ Software Engineer (Onsite)

RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-05-20 Country: United States of America Location: CO106: 16470 East Hughes Drive,Aurora 16470 East Hughes Drive Building S77, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to
Posted 43 days ago | Updated 8 hours ago

C / C++ / Java Software Developer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

C / C++ / Java Software Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and versatile C / C++ / Java Software Developer to join our dynamic team. In this role, you will work on developing, testing, and optimizing high-performance software solutions across multiple platforms. The ideal candidate will be passionate about coding, problem-solving, and working in a collaborative environme
Posted 60+ days ago | Updated 9 hours ago

Senior Software Engineer: Infrastructure

DigitalOcean

•

Denver, Colorado, USA

Full-time

We want people who are passionate about solving large scale complex distributed systems challenges. We are looking for a Senior Software Engineer with expertise in Distributed Systems and Networking to build cutting edge Network Software that will run on tens of thousands of hypervisors and bare-metal servers across our global infrastructure network. You will be responsible for building the next generation of software-defined networking on our platform: providing flexible, yet simple, primitive
Posted 50 days ago | Updated 9 hours ago

Sr. Software Engineer (US Federal)

Workday, Inc.

•

Boulder, Colorado, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 36 days ago | Updated 9 hours ago

Software Engineer Sr - Space Protection Programs

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 57 days ago | Updated 8 hours ago

Senior Software Engineer II (Growth)

DigitalOcean

•

Denver, Colorado, USA

Full-time

We're looking for an experienced Senior Software Engineer II to join our Growth R&D engineering team and play a crucial role in driving growth via our product activation strategy. You will collaborate closely with Product and UX Design and work across the full tech stack to ship everything from large-scale multi-product experiences that span across the Cloud Console to small but impactful Growth experiments to realize incremental improvements to activation business metrics. In addition to custo
Posted 56 days ago | Updated 9 hours ago

Senior Embedded Software Development Engineer

Qualcomm Technologies

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Boulder, Colorado, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: Job Posting End Date 2025-07-31 This individual independently plans, performs the moderately-defined responsibility for the design, driver development, integration, test, debugging and validation of real time embedded software, embedded RTOS environment, embedded systems, embedded microcontroller firmware, communication protocols and platforms for wireless chipsets incl
Posted 8 days ago | Updated 8 hours ago

Senior Software Apps Engineer, iOS-Remote

Generis TEK Inc.

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Remote

Contract

We have Contract role Senior Software Apps Engineer, iOS-Remote for our client at New York NY. Please let me know if you or any of your friends would be interested in this position. Position Details: Senior Software Apps Engineer, iOS-Remote-New York NY Location : REMOTE (EST & PST) Project Duration : 12+ Months Contract Pay Rate : $ 95.00 100.00/hr. on W2 Overview of the team: The team is responsible for the infrastructure of the Yahoo Mail iOS mobile application. We establish best practices f
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Posted 9 days ago | Updated 4 days ago

Senior ServiceNow Developer (Remote)

Oscar Technology

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Remote

Contract

Job Title: Senior ServiceNow Developer (Remote, Cleared) Job Type: 12-Month Contract Location: 100% Remote (Must be available to work EST hours) Start Date: ASAP Compensation: Up to $70/hr W2 or $75/hr C2C Overview: We are currently seeking an experienced Senior ServiceNow Developer to support a long-term project. This fully remote opportunity requires a candidate with strong technical expertise across multiple ServiceNow modules and an active U.S. government security clearance. Key Responsib
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Posted 11 days ago | Updated 1 hour ago

Senior Software Development Engineer - UI Platform (US Federal)

Workday, Inc.

•

Boulder, Colorado, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 28 days ago | Updated 9 hours ago

: Senior Staff Software Engineer

Vaco by Highspring

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Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t
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Posted 27 days ago

Cyber Security Engineer Sr (Software) - TS/SCI Clearance

Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description What We're Doing At Lockheed Martin, we unite individuals driven by purposeful innovation to keep people safe and tackle the world's most complex challenges. Our team consists of the brightest minds in the industry, working together to advance technology and protect critical systems. We foster a culture of integrity, collaboration, and corporate responsibility, making Lockheed Martin a place where innovation thrives. The Work Lockheed Martin Rotary & Mission Systems is seekin
Posted 52 days ago | Updated 8 hours ago

Senior Designer Front-End / Developer - Remote / Telecommute

Cynet Systems

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Remote or Dallas, Texas, USA

Contract

Job Description: We are seeking a skilled Senior Frontend Engineer to take ownership of frontend build infrastructure, develop shared component libraries, and optimize complex web applications. The ideal candidate will have extensive experience in React, TypeScript, and UI/UX design, with the ability to collaborate cross-functionally to improve the performance, usability, and scalability of web applications. Key Responsibilities: Frontend Build Infrastructure: Own and maintain the frontend bu
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Posted 4 days ago | Updated 6 hours ago

Sr. Technical Consultant/Developer ServiceNow Finance & Supply Chain Solutions (Source-to-Pay)

ServiceNow, Inc.

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Remote or Denver, Colorado, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 22 days ago | Updated 9 hours ago