senior software developer Jobs in denver, co

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Solution Train Engineer/ Sr Principal Software Engineer (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, 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 -

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

Leidos

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

C / C++ / Java Software Developer

Cymertek Corporation

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

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

Senior Software Engineer I

DigitalOcean

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

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

Sr Software Engineer- Epic Bridges

Commonspirit Health

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

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

Senior ServiceNow Developer (Remote)

Oscar Technology

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

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

Senior C++ Software Engineer (Onsite)

RTX Corporation

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

Senior Designer Front-End / Developer - Remote / Telecommute

Cynet Systems

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

Senior Software Apps Engineer, iOS-Remote

Generis TEK Inc.

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

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

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

Sr. AWS Glue ETL Developer

Ameriinfo Vets

Remote

Contract

Job Requisition: Sr. AWS Glue ETL Developer Job Description: Leidos is seeking a Sr. AWS Glue ETL Developer with strong systems, software, and AWS cloud experience to support a major mainframe systems modernization initiative for federal customer. Based in DevOps framework, participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, unit testing, support deployments a

Senior React Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

Remote

Contract, Third Party

Position Senior React Developer (10+ Years Experience)Location RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly skilled Senior React Developer with over 10 years of experience in frontend development. The ideal candidate will have deep expertise in JavaScript, React.js, TypeScript, and modern UI/UX principles. You ll be responsible for leading frontend architecture, mentoring developers, collaborating with cross-functional teams, and delivering high-performance, scal

Senior Developer Telecom & Unified Communications Integration-Remote

Cyber Sphere LLC

Remote

Contract

Title -Senior Developer Telecom & Unified Communications Integration Location-Remote Duration Contract Job Description: Note - It s not a specific project Per se. It s a hodgepodge of custom integration request from the various lines of business within the Org. Someone with Developer skills set with experience doing contact center or unified communication integrations. Telephony, Cisco, etc More Developer than Telephony Key Responsibilities: Design, develop, test, and debug robust applications

Sr. Oracle R12 Developer

Mumba Technologies

Remote

Contract

Sr. Oracle R12 Developer Remote Only W2 AP, WORKFLOW, GL, BOM, The client is seeking a highly experienced Oracle EBS Developer, with a Minimum of 8 years in the industry and a strong emphasis on Oracle. The ideal candidate will possess a solid grasp of Oracle R12.2 EBS suite concepts, including expertise in at least three R12 modules such as AR, OM, INV, MFG, and WIP. Fluency in Oracle PL/SQL, reports/Forms builder, and OAF development tools is essential, with some Java experience preferred. The

: Senior Staff Software Engineer

Vaco by Highspring

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