Senior Software Engineer
Oasys, Inc.
Senior Software Engineer, Level 3 OASYS, INC., a Leading‑Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO. Summary OASYS, INC. is seeking a full‑time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements analysis, object‑oriented analysis & design, code & unit test, integration, and support to formal test/delivery. The successful candidate will have experience and/or knowledge of languages such as C or C++. Must be a US Citizen; this position will require government security clearance prior to starting. This position is located at a facility that requires special access. Basic Qualifications Experience with programming languages such as C, C++ Experience or classroom knowledge with embedded software/hardware Bachelor's degree in computer science, Aerospace Engineering or other related degree program from an accredited college/university Desired Skills Knowledge of Agile Software Development Ability to work in a collaborative and team‑based environment Excellent written and verbal communication skills Knowledge of Model Base Systems Engineering (MBSE) Previous experience designing to software requirements Experience with full software life cycle development including SW design, architecture and integration & test Clearance Statement This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: Secret Ability to Work Remotely Onsite Full‑time: The work associated with this position will be performed onsite. Schedule for this Position 9x80 every other Friday off Benefits BC/BS of Alabama Health & Dental VSP Vision Employee Stock Ownership Plan (ESOP) 401‑K with Matching Flexible Spending Account Tuition Reimbursement Holidays Vacation Short‑term/Long‑term Disability Equal Employment Opportunity EOE AA M/F/Vet/Disability Equal Employment Opportunity is the Law: #J-18808-Ljbffr Oasys, Inc.
$93.2k - $164.45k
...us in shaping a new era in space and find a career that's built for you. The Orion Program The Orion Program is seeking an SCM software professional. Responsibilities Perform Software Configuration Management functions Perform Development Tool administration...SeniorFull timeTemporary workFlexible hoursLockheed Martin Corporation
Littleton, CO3 days ago$120k - $135k
Our client is seeking a skilled Software Engineer to join a strategic application modernization initiative focused on rewriting and migrating a critical enterprise platform. This role will be responsible for analyzing existing application functionality, redesigning services...SeniorLocal areaKellyMitchell Group
Greenwood Village, CO3 days ago- Our client in Englewood Colorado is looking for a Senior Software Engineer on a direct hire basis. This is an opportunity to join a collaborative, fast‑paced development team where your work will directly influence the evolution of a cutting‑edge technology platform. If...Senior
Frontline Source Group
Englewood, CO1 day ago $110k - $150k
...exclusive features. We are looking for a talented, hands-on Software Developer to build the core components of a few internal... ...software. Role Description This is a full-time on-site role for a Senior Software Engineer based in Lone Tree, CO. The Senior Software Engineer will...SeniorFull timeAlta Trust Company
Littleton, CO3 days ago$93.2k - $164.45k
Lockheed Martin in Littleton, Colorado, is seeking an Experienced Professional in Software Engineering to support hypersonic missile development. You will work on the Conventional Prompt Strike program, ensuring software integration and system performance. The ideal candidate...Senior$86.8k - $165.2k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...Will Do Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. Work with a team...SeniorTemporary workWork experience placementWork at officeRemote workRelocationRelocation packageFlexible hoursRaytheon
Englewood, CO1 day ago$151.7k - $205.23k
...veteran and PhD astrophysicist, we support complex defense, space, software, systems, and mission-focused programs for government and... ...we operate: we are a reputation-driven team of highly skilled engineers and technical experts who are brought in for their depth, judgment...SeniorTemporary workWork experience placementFlexible hours$125k - $155k
...gambling. As a forward-thinking company, we’re breaking new ground in software innovation too, redefining what’s possible for our customers... .... Job Description We are seeking passionate and experienced Senior Developer to join our dedicated Verification team as we embark...SeniorHourly payFull timePart timeWork at officeLocal areaWork from homeWorldwideShift work$86.8k - $165.2k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...What You Will Do Design, develop, test, deliver, and maintain software for satellite ground systems. Work with talented teams of...SeniorTemporary workWork experience placementWork at officeRemote workRelocationRelocation packageFlexible hoursRaytheon
Littleton, CO1 day ago- Design and implement generative design software solutions for integration into Creo and Onshape products. Deliver high-quality, innovative... ...by applying first principles to address the needs of engineers. Collaborate with other developers, quality assurance and software...SeniorFull time
Ptc
Denver, CO20 hours ago $140k - $155k
Join to apply for the Senior Software Engineer, Backend role at EverDriven . About EverDriven As the nation’s leading provider of alternative student transportation, we partner with school districts to serve students who need it most—those experiencing homelessness, living...SeniorTemporary workWork at officeRemote work$125k - $160k
...that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios... ...some of the boldest and most ambitious space missions. SENIOR SOFTWARE ENGINEER I/II - DIGITAL ENGINEERING Are you passionate about advancing...SeniorPermanent employmentLocal area$115k - $170k
SENIOR SOFTWARE ENGINEER I/II - DIGITAL ENGINEERING Are you passionate about advancing aerospace technology through cutting‑edge software solutions? We are looking for a driven Senior Software Engineer I/II to join our Digital Engineering team based out of our Littleton...SeniorPermanent employmentWork at officeLocal area$120.54k - $140k
...Job Title: Senior Software Engineer Employer: Procare Software, LLC Job Location: Denver, CO Salary: $120,536 - $140,000 Job Duties: Create and support enterprise software solutions both web and mobile applications by maintaining and supporting existing...SeniorFull timeRemote workProcare Solutions
Denver, CO20 hours ago$150 per hour
...transform the industry year over year, by deploying a suite of software solutions to millions of customers every day -... ...Application Deadline: 08/31/2026 The opportunity As a Senior Frontend Software Engineer, your expertise will directly shape the architecture,...SeniorFull timeTemporary workFor contractorsWork experience placementWork at officeLocal areaImmediate startFlexible hours$115k - $165k
...spacecraft design and manufacturing, payloads, satellite components, and more; its mission is to open access to space. Job Title Senior Software Engineer I/II - Simulation Engineering Location: Littleton, CO Role Summary The position focuses on architecting large‑scale...SeniorPermanent employment$120k - $160k
...that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios... ...some of the boldest and most ambitious space missions. SENIOR SOFTWARE ENGINEER I/II - SIMULATION ENGINEERING We are seeking a highly skilled...SeniorLocal area$102.4k - $179k
...products and applications. You will partner closely with AI/ML engineers, data scientists, and cross-functional teams to productionize... ...engineering trends, AI-assisted development tools, and modern software practices to drive continuous improvement and innovation. Partner...SeniorVizient
Centennial, CO1 day ago$120k - $190k
...Senior Software Engineer Location: San Francisco, CA or Denver, CO (Hybrid, 3 days/week). Salary: $120k-$190k + equity. Full-time. Offstream is building the infrastructure for the environmental compliance market, think compliance software meeting real‑world industrial...SeniorFull time3 days per weekApplyMint
Denver, CO4 days ago$195k - $250k
...The Opportunity We’re looking for a passionate and skilled Senior Software Engineer to join our fast growing engineering teams. In this role, you will be instrumental in revolutionizing healthcare billing products and systems that directly address the needs of our customers...SeniorCandid Health
Denver, CO1 day ago- We are seeking a Senior Software Engineer to join our engineering team, focusing on developing new cloud-based solutions powered by database technologies. This role is far from ordinaryyou won't be confined to minor tasks but will have a significant impact on our entire...SeniorH1bVisa sponsorshipFlexible hours
Tech Stars Group LLC
Denver, CO2 days ago - ...Senior Software Engineer/Developer - Android Description seeking a Sr. Engineer/Developer Android to join their team in Denver CO. This will be a hybrid role. This is solely Android. This role will initially open up for the Denver area with the potential...SeniorFull timeWork at office2 days per week1 day per week
Esrhealthcare
Denver, CO20 hours ago $129.6k - $233.3k
Senior Software Engineer - VSD - Freemont CA Hybrid 23-Jul-2026 Research & Development Siemens Industry Software Inc. Siemens EDA is a global technology leader in Electronic Design Automation software. Our software tools enable companies around the world to develop...SeniorWork at officeLocal areaWork from homeSiemens Mobility
Denver, CO1 day ago$175k
...how organizations build, ship, and scale digital products and APIs are the connective tissue that makes it possible. As a Sr Software Engineer , you’ll play a critical role in shaping impactful product areas by collaborating within high-velocity engineering pods and...SeniorGravitee
Denver, CO3 days ago- ...identity and access management. This role sits in our Platform Engineering team, which delivers features and design work that spans the... ...to secure and govern AI agents. We are looking for a Senior Software Engineer who can turn ideas into production capabilities and...SeniorLocal areaWorldwideFlexible hours
Ping Identity
Denver, CO2 days ago $130k - $150k
...Senior Software Engineer (Enterprise SaaS) At Nutrislice, we're revolutionizing digital ordering, menus, and signage automation. As a leading foodservice SaaS provider, we power more than 20,000 locations around the globe. Our platform helps clients from schools to...SeniorRemote workNutrislice
Denver, CO1 day ago- DomainTools is hiring a Senior Software Engineer to join our Engineering Team. This role is perfect for a creative problem-solver with deep expertise in large-scale data engineering and a passion for technical leadership and continuous improvement. You'll be a key technical...SeniorImmediate startFlexible hours
DomainTools
Denver, CO20 hours ago $160k - $200k
Senior Software Engineer Application Deadline: 31 July 2026 Department: Engineering Employment Type: Full Time Location: Denver Compensation: $160,000 - $200,000 / year Description TL;DR Kharon is seeking a full-time Senior Software Engineer based in Denver...SeniorFull timeWork at officeImmediate startFlexible hours3 days per weekKharon
Denver, CO4 days ago- ...positive impacts here on Earth. Currently, we are seeking a Senior Full Stack Engineer to contribute to our mission in a dynamic startup... ...role include developing cloud‑native command and control software for rover missions, shipping production‑ready code to AWS...SeniorPermanent employment
Sky Mavis
Golden, CO1 day ago $121.4k - $218.6k
...teams to solve complex challenges? Join Our Custom Government Engineering Team! The Custom Government team operates across the full... ...performance Application Delivery Networks. Partner with the best As a Senior Software Engineer, you will manage the Akamai cloud storage solution,...SeniorWork experience placementWork at officeAkamai
Denver, CO3 days ago
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