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Software Engineer Contractor Jobs in Denver, CO (NOW HIRING)

Software Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Software Engineer to support our customer in Littleton, CO. Summary: OASYS, INC. is seeking a ...

Software Engineer

Littleton, CO ยท On-site

$75K - $95K/yr

Software Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Software Engineer to support our customer in Littleton, CO. Summary: OASYS, INC. is seeking a ...

Software Engineer

Littleton, CO ยท On-site

$75K - $95K/yr

Software EngineerOASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Software Engineer to support our customer in Littleton, CO.Summary: OASYS, INC. is seeking a full-time ...

Job Summary : Cymertek Corporation is a growing small business and trusted federal contractor ... They are seeking a talented and motivated Software Engineer to contribute to the development of ...

Software Engineer

Aurora, CO ยท On-site

$90 - $150/hr

Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position ... We are a growing small business and a trusted federal contractor offering full scope consulting ...

Cloud Software Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Cloud Software Engineer to support our customer in Denver, CO. We work with the SDA, end users ...

Cloud Software Engineer

Denver, CO ยท On-site

$160K - $200K/yr

Cloud Software Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Cloud Software Engineer to support our customer in Denver, CO. We work with the SDA, end users ...

Cymertek Corporation is a trusted federal contractor offering full scope consulting services in information technology and cybersecurity. They are seeking a talented and motivated Software Engineer ...

Cloud Software Engineer

Denver, CO ยท On-site

$160K - $200K/yr

Cloud Software EngineerOASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Cloud Software Engineer to support our customer in Denver, CO.We work with the SDA, end users ...

Senior Software Engineer

Littleton, CO ยท On-site

$120K - $150K/yr

Senior Software Engineer, Level 3OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO.Summary:

Senior Software Engineer

Littleton, CO ยท On-site

$120K - $150K/yr

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:

Software Engineer Staff, Level 4 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Software Engineer Staff, Level 4 to support our customer in Littleton, CO. Summary:

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Showing results 1-20

Software Engineer Contractor information

See Denver, CO salary details

$65.4K

$151.8K

$211.5K

How much do software engineer contractor jobs pay per year?

As of Aug 26, 2026, the average yearly pay for software engineer contractor in Denver, CO is $151,828.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,500.00 and $178,000.00 per year, depending on experience, location, and employer.

What is a software engineer contractor?

Software Engineer Contractors are professionals hired on a temporary or project basis to design, develop, and maintain software applications. Unlike full-time employees, they typically work for a predetermined period or on specific projects for a company. Contractors may work independently or through contracting agencies and often have flexibility regarding work hours and location. Their expertise is sought after for specialized tasks, scaling development teams, or covering skill gaps within organizations.

What are the key skills and qualifications needed to thrive as a software engineer contractor?

To thrive as a Software Engineer Contractor, you need advanced programming skills, problem-solving abilities, and a solid understanding of software development lifecycles, often backed by a relevant degree or equivalent experience. Familiarity with source control systems (like Git), cloud platforms, and project management tools, as well as proficiency in key programming languages, is typically required. Strong communication, adaptability, and self-motivation are essential soft skills for collaborating with diverse teams and managing project-based workloads. These skills ensure high-quality deliverables, effective client communication, and successful navigation of varied contract environments.

How does the work structure and team integration typically differ for software engineer contractors compared to full-time employees?

As a Software Engineer Contractor, you will often work on specific projects or deliverables within a defined contract period, which may mean less involvement in long-term planning or company-wide initiatives. Contractors are usually integrated into existing development teams, collaborating closely with full-time engineers, project managers, and QA staff, but may have less access to certain internal resources or benefits. While you can expect to contribute to daily stand-ups, code reviews, and agile sprints, the onboarding process and access to proprietary tools or systems may be streamlined for contractors. This role offers valuable exposure to diverse tech stacks and industries, and successful contracts can lead to extended engagements or full-time offers.

What is the difference between Software Engineer Contractor vs Software Engineer Full-Time Employee?

AspectSoftware Engineer ContractorSoftware Engineer Full-Time Employee
CredentialsTypically requires a relevant degree and technical skills; certifications optionalSame as contractor; often prefers ongoing professional development
Work EnvironmentProject-based, flexible hours, often remote or on-siteSteady, long-term employment, usually on-site or hybrid
Employer & Industry UsageCommon in tech, startups, consulting firmsStandard in large corporations, tech companies, and enterprises
Search & Comparison IntentLooking for short-term or project-based rolesSeeking stable, long-term employment

In summary, Software Engineer Contractors typically work on short-term projects with flexible schedules, while full-time employees enjoy ongoing employment and benefits. Both roles require similar skills and credentials but differ mainly in work arrangement and job stability.

What cities near Denver, CO are hiring for Software Engineer Contractor jobs?

Cities near Denver, CO with the most Software Engineer Contractor job openings:

Infographic showing various Software Engineer Contractor job openings in Denver, CO as of August 2026, with employment types broken down into 84% Full Time, 11% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $151,828 per year, or $73 per hour.

Sr Software Engineer (contractor)

Sierra Space Corporation

Centennial, CO โ€ข On-site

$126K - $166K/yr

Full-time

This job post hasย expired today.ย Applications are no longer accepted.


Job description

Sierra Space Careers:

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the RoleThe Sr. Software Engineer role involves designing, developing, and testing software applications for space systems and technologies. This advanced position requires deep expertise in multiple programming languages, an advanced understanding of software development principles, and the ability to design, architect, and implement complex software systems. The role includes writing clean, maintainable code, collaborating with team members to understand project requirements, and contributing to the development of innovative software solutions. Additionally, this position may involve providing technical leadership, mentorship, and making high-level design decisions that significantly impact program cost, schedule, and technical performance.
In this role, you will design, develop, and test software applications for space systems and technologies while writing clean, maintainable code that adheres to best practices and coding standards. You will architect and implement complex software systems to meet project requirements and collaborate with team members to understand project needs, contributing to the development of effective software solutions. Utilizing version control systems such as Git, you will manage code changes and work collaboratively with team members. You will participate in code reviews to ensure code quality and adherence to development standards, troubleshoot and resolve software-related issues in a timely manner, and document software configurations, processes, and procedures for future reference. Staying current with industry trends and advancements in software development and space technologies will be essential. Additionally, you will provide technical leadership, mentorship, and support to team members, making high-level design decisions that have significant impacts on program cost, schedule, and technical performance.About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower - to join us in this critical mission.

We're looking for team members who align with our values, mission and goals - while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Minimum Qualifications:
  • Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +6 yrs experience).
  • Typically 8+ years of related experience.
  • Deep expertise in multiple programming languages and software development principles.
  • Ability to design, architect, and implement complex software systems.
  • Experience with different software development methodologies such as Agile and Scrum/Kanban.
  • Strong leadership skills to lead a team of engineers.
  • Ability to make high-level design decisions that will have significant impacts on program cost, schedule, and technical performance.
Preferred Qualifications:
  • Advanced degree in Computer Science, Software Engineering, or a related field.
  • Experience with kernel-level programming.
  • Proficiency in programming languages (Python, C++, Java) and their ecosystems.
  • In-depth knowledge of scripting languages and automation tools.
  • Proven experience with software development methodologies such as Agile or Kanban/Scrum.
  • Exceptional analytical skills and meticulous attention to detail.
  • Superior communication skills and the ability to work effectively in a collaborative team environment.
  • Demonstrated ability to lead large-scale software projects from inception to completion.
  • Strong strategic thinking and decision-making skills.
  • Strong analytical skills, performance profiling, and debugging complex systems.
  • Excellent communication and teamwork skills, and efficient with collaborative tools (GitHub, GitLab, Bitbucket) and development ceremonies (daily standup, backlog grooming, work planning, task estimation, retrospectives, etc.).
  • Ability to write and maintain technical documentation.
  • Experience with continuous integration and automated test.
  • Knowledge of and experience implementing Software Design Patterns.
  • Familiarity with SysML/UML to create software designs.
  • Experience utilizing and setting up static analysis tools.
Elevate Your Career

At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.


Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.

Application Deadline: This role will remain posted until a qualified pool of candidates is identified.

Sierra Space Corporationis an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment withSierra Spaceor at any stage of the recruitment process, pleasecontact us.