java Jobs in Denver, CO

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Senior Software Engineer

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, 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 with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help o
Posted 4 days ago | Updated 10 hours ago

Principal Software Engineer

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, 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 with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help o
Posted 4 days ago | Updated 10 hours ago

Software Engineer TS/SCI Poly

Leidos

•

Aurora, Colorado, USA

Full-time

Description Leidos is looking for a Software Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a nationally significant and fast-paced cryptographic key management program. Program execution follows DEVOPS best practices and employs robust development, test, and production environments. Additionally, the program is using Behavior Driven Development (BDD) and test automation tools alongside a full suite of team collaboration tools. Leidos
Posted 20 days ago | Updated 3 hours ago

Sr. Software Engineer

Visa Inc.

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Highlands Ranch, Colorado, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 36 days ago | Updated 10 hours ago

Engineer II - Mission Planning (Onsite)

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, 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 with CI Poly - Current At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - t
Posted 26 days ago | Updated 10 hours ago

Principal Software Engineer - 25k Sign on Bonus

Leidos

•

Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a 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% company match and immediate vesting, Fle
Posted 1 day ago | Updated 10 hours ago

DevOps Engineer

Apex Systems

•

Denver, Colorado, USA

Full-time

Job#: 2078767 Job Description: Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Please note that only qualified candidates will be contacted. We cannot work corp to corp - All applicants must be able to work on Apexs W2 without sponsorship now or in the future. Position: DevOps Engineer Location: Denver, CO | Chicago, IL | Washington, DC - 5 days onsite weekly Duration: 12
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Posted 25 days ago | Updated 10 hours ago

Application Support Engineer

Atika Tech

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Remote

Full-time, Contract

Position: Application Support Engineer Location: Remote Experience: 8+ Years As an Application Support Engineer you will provide expert-level support for Java-based healthcare applications, ensuring seamless performance across databases, Windows servers, and imaging systems like PACS and RIS. Responsibilities: - Provide advanced support for Java-based applications, including deployment, configuration, and troubleshooting. Monitor and optimize performance of MariaDB/MySQL databases; manage replic
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Posted 9 days ago | Updated 5 hours ago

Software Developer

ClearBridge Technology Group

•

Greenwood Village, Colorado, USA

Contract

Our client, a telecom and media company located in Greenwood Village, CO is in need of Software Developer for an initial 6 month contract with high likelihood of extension. The Software Developer will work on a hybrid schedule, 4 days a week onsite, and one day remotely, and will play a critical role in designing and implementing next-generation cloud-based platforms and solutions. The Developer will collaborate closely with a cross-disciplinary team of software architects, network engineers, da
Posted 7 days ago | Updated 7 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 26 days ago | Updated 10 hours ago

Senior Server Engineer, Trust & Safety

Strava, Inc.

•

Denver, Colorado, USA

Full-time

About This Role Strava is the app for active people. With over 150 million athletes in more than 185 countries, Strava is where connection, motivation, and personal bests thrive. No matter your activity, gear, or goals, we help you find your crew, crush your milestones, and keep moving forward. Our mission is simple: to motivate people to live their best active lives. We believe in the power of movement to connect and drive people forward. We're seeking a Senior Server Engineer to join our Tr
Posted 60+ days ago | Updated 10 hours ago

Principal Software Engineer - 25k Sign on Bonus

Leidos

•

Aurora, Colorado, USA

Full-time

Description Leidos has a new and exciting opportunity for a 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% company match and immediate
Posted 20 days ago | Updated 1 hour ago

Senior Hands-On Software Section Lead (Onsite)

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-10 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to hel
Posted 3 days ago | Updated 10 hours ago

Teamcenter Admin

Centraprise Corp

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Remote

Full-time

Job Description Must have hands-on experience working with Teamcenter Teamcenter Admin with experience deployments, upgrades, DevSecOps/CI-CD Java / J2EE and C / C++ programming languages AdvancedEclipse framework IDE FunctionalSiemens Teamcenter PLM BMIDE (Business Model Integrated Dev. Environment) FunctionalSiemens Teamcenter PLM ITK (Integrated Toolkit) AdvancedSiemens Teamcenter PLM SOA (Service Oriented Architecture) FunctionalSiemens Teamcenter PLM Workflow / Custom Handler development Ad
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Posted 10 days ago

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
Posted 54 days ago | Updated 10 hours ago

C++ w/ DB2 - Must have an Active IRS MBI clearance

The Consortium Inc

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Remote

Contract

For USA GOVERNMENT ( Must HAVE an MBI within in past 1.3 years ) C++ component developer to extract data from DB2 database on mainframe and convert it to XML format for downstream processing. Develop C/C++ components in compliance with project guidelines, provide unit and development level integration testing, maintain code based on needs of test team, provide customer testing, address production issues, & documentation everything you do. Required * C++ development 8 years * SQL developm
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Posted 8 days ago

Principal Database Developer (Onsite)

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 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 **This position is eligible for a Sign-On Bonus** At Raytheon, the foundation of everything we do
Posted 5 days ago | Updated 10 hours ago

Senior Staff Software Engineer, Security Products

DigitalOcean

•

Denver, Colorado, USA

Full-time

We are seeking a highly experienced and motivated Senior Staff Software Engineer to join our Security Products team. In this pivotal role, you will be instrumental in designing, building, and maintaining robust security products and infrastructure that protect Digital Ocean's platform and our customers' data. This is an exciting opportunity for an individual who thrives in a fast-paced environment and is passionate about solving complex security challenges at scale. What You'll Do Design, develo
Posted 4 days ago | Updated 10 hours ago

Curam Developer

Techim INC

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Remote

Contract

Required Skills: Proficiency in Java EE, Curam Framework, and related tools Junior to Senior level developers welcome
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Posted 17 hours ago

C++ Developer (W2/1099 only)

Zentek Infosoft Inc

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Remote

Contract

Primary Duties: Design and develop C/C++ components in compliance with project guidelines 60% Perform unit and development level integration testing as needed 20% Perform code maintenance based on needs of IBM testing, customer testing, and production issues 10% Documentation of software design and code 10% Required skills/Level of Experience: C++ development 8 years SQL development 8 years XML, XSLT development 7 years DB2 development 5 years Work as a user in a Mainframe environment 4 years Mi
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Posted 7 days ago