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Contract Senior Software Developer Jobs in Colorado

GliaCell Technologies

Senior Software Engineer

Aurora, CO · On-site

$170K - $260K/yr

Tired of promised adventures during the hiring phase, then dropped off on a remote contract and ... DevOps Containerization. We also provide customer solutions in the areas of CND, CNE, and CNO by ...

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 applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO. Summary:

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/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:

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 applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO. Summary:

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

Cymertek

C / C++ / Java Software Developer

Aurora, CO · On-site

$50 - $67.25/hr

... Developer, Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

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 seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

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 seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/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:

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 applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

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 applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

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Contract Senior Software Developer information

What are some common challenges faced by Contract Senior Software Developers when joining a new team or project?

Contract Senior Software Developers often face challenges such as quickly adapting to unfamiliar codebases, understanding existing workflows, and integrating with established teams. Since contracts are typically time-bound, there is pressure to deliver results swiftly while aligning with the client's standards and expectations. Effective communication and proactive knowledge transfer are essential to overcome these hurdles and ensure a smooth onboarding process, allowing you to make a meaningful impact from the outset.

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

To thrive as a Contract Senior Software Developer, you need advanced programming expertise, a strong understanding of software architecture, and several years of professional development experience, often supported by a relevant degree. Proficiency with major programming languages, frameworks, version control systems like Git, and familiarity with cloud platforms or DevOps tools is typically required. Strong problem-solving, communication, and time-management skills help you deliver quality solutions while collaborating remotely or with cross-functional teams. These skills are important to ensure you can quickly adapt to new projects, meet client expectations, and maintain high standards in fast-paced, dynamic environments.

What is the difference between Contract Senior Software Developer vs Contract Software Engineer?

AspectContract Senior Software DeveloperContract Software Engineer
CredentialsTypically requires 5+ years of experience, relevant degrees, and possibly certifications like Scrum or AgileSimilar credentials, often with 3+ years of experience and relevant technical certifications
Work EnvironmentOften in project-based, client-facing roles with leadership responsibilitiesPrimarily focused on coding, testing, and technical implementation within teams
Employer & Industry UsageUsed across tech firms, consulting agencies, and startups for senior-level projectsCommon in software development companies, tech departments, and consulting firms

The main difference is that Contract Senior Software Developers typically have more experience and leadership responsibilities, whereas Contract Software Engineers focus on technical execution. Both roles require strong coding skills and industry experience, but the senior role often involves guiding projects and mentoring junior staff.

What is a Contract Senior Software Developer?

A Contract Senior Software Developer is an experienced software engineer who is hired on a temporary or project-specific basis rather than as a permanent employee. They are responsible for designing, developing, testing, and maintaining software applications, often taking a leadership role within development teams. Contract Senior Software Developers typically bring a high level of expertise and may mentor junior staff or guide architectural decisions. Their contracts can range from a few months to over a year, depending on project needs. This arrangement offers flexibility for both the developer and the hiring company.
What are the most commonly searched types of Senior Software Developer jobs in Colorado? The most popular types of Senior Software Developer jobs in Colorado are:
Contract Senior Software Developer jobs near you
Senior Software Engineer

Senior Software Engineer

GliaCell Technologies

Aurora, CO • On-site

$170K - $260K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago

Job description

***An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.***
Are you a Senior Software Engineer who is ready for a new challenge that will launch your career to the next level?
  • Tired of being treated like a company drone?
  • Tired of promised adventures during the hiring phase, then dropped off on a remote contract and never seen or heard from the mothership again?
  • Our engineers were certainly tired of the same.

At GliaCell our slogan is "We make It happen".
  • We will immerse you in the latest technologies.
  • We will develop and support your own personalized training program to continue your individual growth.
  • We will provide you with work that matters with our mission focused customers, and surround you with a family of brilliant engineers.

Culture isn't something you need to talk about...if it just exists.
If this sounds interesting to you, then we'd like to have a discussion regarding your next adventure! If you want to be a drone, this isn't the place for you.
We Make It Happen!
GliaCell Technologies focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable and reliable software solutions using Agile Software Development principles. These provide us the capability to deliver a quick turn-around using interactive applications and the integration of industry standard software stacks.
GliaCell's Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization. We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.
We Offer:
  • Long term job security
  • Competitive salaries & bonus opportunities
  • Challenging work you are passionate about
  • Ability to work with some amazingly talented people

Job Description:
GliaCell is seeking a Senior Software Engineer on one of our subcontracts. This is a full-time position offering the opportunity to support a U.S. Government customer. The mission is to provide technical expertise that assists in sustaining critical mission-related software and systems to a large government contract.
Key Responsibilities:
  • The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Key Requirements:
To be considered for this position you must have the following:
  • Possess an active or rein-statable TS/SCI with Polygraph security clearance.
  • U.S. Citizenship.
  • 14+ years experience as a Software Engineer and a Bachelor's degree in Computer Science or related.
  • Works well independently as well as on a team.
  • Strong communication skills.

Key Skills:
  • Python development
  • AWS ML certificate or Knowledge implementing production scale AI/ML solutions/systems
  • AWS Kubernetes (docker containerization) understanding or Solution Architect Certification
  • Knowledge of AI tools and developing deep learning models
  • Experience w/cloud infrastructure management

Desired Skills:
  • AI tools (ChatGPT, Google GEMINI and GROK).
  • AI Tools and Language Models are Agentic and Generative AI concepts)

Location: Aurora, CO
Salary Range: The salary range for this full-time position is $170,000 to $260,000. Our salary ranges are determined by position, level, skills, professional experience, relevant education and certifications. The range displayed on each job posting reflects the minimum and maximum target salaries for this position across our projects. Within the range, your salary is determined by your individual benefits package selection. Your recruiter can share more about the specific salary range for your preferred position during the hiring process.
Benefits:
  • Medical, Dental, and Vision Coverage for Employee and Dependents
  • Up to 25 Days of Paid Time Off
  • Up to 40 hours of PTO Carryover
  • 11 Federal Government Holidays
  • Work From Home Opportunities
  • 401K Company Contribution, Fully Vested Day 1
  • Discretionary, Certification, and Sign-On Bonus Potential
  • Employee Referral Bonus Program
  • Annual Professional Development
  • 100% Premium Covered for Life & Disability Insurances
  • Additional Voluntary Life Insurance Coverage Available
  • Employee Assistance Program
  • Travel Protection Program
  • Financial Planning Assistance
  • Bereavement and Jury Duty Leave
  • Monthly Team and Family Events
  • Technology Budget
  • Global Entry
  • Annual Swag Budget

Learn more about GliaCell Technologies: https://gliacelltechnologies.applytojob.com/apply/
To apply for this position, respond to this job posting and attach an updated resume for us to review.
GliaCell Technologies, LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

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