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Senior Software Development Engineer Jobs in Colorado

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking ... the program Software Development Plan (SDP) to include requirements analysis, object-oriented ...

BranchLab

Software Development Engineer

Boulder, CO · On-site

$145K - $195K/yr

THE OPPORTUNITY We're looking for a backend focused Sr. Software Engineer to join our Boulder-based ... This role blends distributed systems engineering and cloud-native development in a high-impact ...

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is ... Ability to work with multi-disciplined teams -Experience with full software life cycle development ...

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is ... Ability to work with multi-disciplined teams -Experience with full software life cycle development ...

Walmart

Senior, Software Engineer - SDET

Denver, CO · On-site

$113K - $147K/yr

About the Role We are looking for a driven Software Development Engineer in Test (SDET) to support a backend-heavy, microservices-based architecture built primarily in TypeScript. This role requires ...

IQ Clarity

Senior Software Engineer

Denver, CO · On-site

$126K - $166K/yr

As a Senior Software Engineer, you will play a critical role in designing, developing, and ... Software Development: Design, develop, and maintain software applications using C#, .NET Core, and ...

Blue Origin

Software Development Engineer

Denver, CO · On-site

$150K - $211K/yr

... Sustaining Lunar Development (SLD) program.Youwill play a key role indeveloping the Lunar ... embedded programming languages * Experience with cFS or other flight software frameworks

Adobe

Software Development Engineer

Denver, CO · On-site

This is a hands-on enterprise software development role. Join us to buildthe future of AEM! What You Bring * Engineering Technical Depth: Degree or equivalent experience in Software Engineering ...

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Senior Software Development Engineer information

See Colorado salary details

$79.4K

$150.7K

$201.9K

How much do senior software development engineer jobs pay per year?

As of Jun 6, 2026, the average yearly pay for senior software development engineer in Colorado is $150,674.00, according to ZipRecruiter salary data. Most workers in this role earn between $128,800.00 and $169,800.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Software Development Engineer, and why are they important?

To thrive as a Senior Software Development Engineer, you need deep expertise in software engineering principles, advanced programming skills in languages such as Java, Python, or C++, and a bachelor's or higher degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms such as AWS or Azure, and experience with CI/CD pipelines are typically required, and certifications in these technologies can be advantageous. Strong problem-solving, leadership, and communication skills help you mentor junior engineers and collaborate effectively across teams. These competencies are critical for delivering robust solutions, driving technical innovation, and ensuring project success in complex engineering environments.

What are some common challenges Senior Software Development Engineers face when leading cross-functional projects?

Senior Software Development Engineers often encounter challenges such as aligning priorities across diverse teams, managing technical debt while delivering new features, and ensuring effective communication among stakeholders. Balancing hands-on coding with mentorship responsibilities and architectural decision-making can also be demanding. Success in this role typically requires strong interpersonal skills, proactive problem-solving, and the ability to adapt to shifting project requirements while maintaining high code quality.

What are Senior Software Development Engineers?

Senior Software Development Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior developers, and ensure software quality and best practices within a team. Their responsibilities include writing code, conducting code reviews, collaborating with cross-functional teams, and solving challenging technical problems. Senior Software Development Engineers typically have several years of industry experience and a deep understanding of software engineering principles.

What is the difference between Senior Software Development Engineer vs Software Development Engineer?

AspectSenior Software Development EngineerSoftware Development Engineer
ExperienceTypically 5+ years, with leadership responsibilitiesEntry to mid-level, 1-3 years of experience
ResponsibilitiesDesigning complex systems, mentoring juniors, leading projectsImplementing features, fixing bugs, collaborating on code
Skills & CertificationsProficiency in multiple programming languages, system design, often with certificationsStrong coding skills, foundational knowledge, less emphasis on certifications
Work EnvironmentOften leads teams, involved in architecture decisionsFocused on individual contributions, team collaboration

The main difference between a Senior Software Development Engineer and a Software Development Engineer lies in experience, responsibilities, and leadership. Seniors typically lead projects and mentor others, while juniors focus on coding and task completion. Both roles are vital in software development teams, with seniors bringing more strategic input and mentorship.

What are the most commonly searched types of Software Development Engineer jobs in Colorado? The most popular types of Software Development Engineer jobs in Colorado are:
Infographic showing various Senior Software Development Engineer job openings in Colorado as of May 2026, with employment types broken down into 85% Full Time, 9% Part Time, 2% Temporary, 2% Contract, and 2% Nights. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $150,674 per year, or $72.4 per hour.

Senior Software Engineer

OASYS, INC.

Littleton, CO • On-site

$120K - $150K/yr

Full-time

Dental, Vision, Retirement, PTO

Posted 8 days ago

Job description

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 Security
Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
Other Important Information You Should Know
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
About OASYS, INC.: Located in Huntsville, Alabama, OASYS, INC. is a technology services and products company dedicated to delivering the right solutions to our government and commercial clients. Our innovative solutions combined with today's technology and our subject matter expertise help to provide full lifecycle support for our client's needs.
Benefits: OASYS, INC. offers a robust benefit plan to include: BC/BS of Alabama Heath & Dental, VSP Vision, Employee Stock Ownership Plan (ESOP), 401-K with Matching, Flexible Spending Account, Tuition Reimbursement, Holidays, Vacation, Short-term/Long-term Disability.
www.oasys-incorporated.com
EOE AA M/F/Vet/Disability Equal Employment Opportunity is the Law: http://www1.eeoc.gov/employers/upload/eeoc_self_print_poster.pdf

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