Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Full Stack Software Developer, Mid-level

$90.3k - $189.6k

CACI International, Inc.

Job Title: Full Stack Software Developer, Mid-level

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

Anticipated Posting End: 11/14/2026

The Opportunity:

We are seeking a skilled Full Stack Software Developer to join our team working on the Makalu contract. This role involves building and maintaining highly used and critically important cloud-native applications that provide Situational Awareness and Collaboration capabilities. The ideal candidate will have a strong background in Java and JavaScript development, along with experience in modern software development practices and cloud technologies. The role requires an active TS/SCI clearance and a commitment to maintaining the highest standards of security in all aspects of work.

Responsibilities:
  • Design, develop, and maintain cloud-native applications using Java and JavaScript
  • Build and enhance Situational Awareness and Collaboration capabilities for critical systems
  • Collaborate with cross-functional teams in an Agile environment
  • Implement and work with microservices architecture in cloud environments
  • Contribute to the full software development lifecycle, from conception to deployment
  • Ensure code quality through testing and code reviews
  • Stay updated with the latest industry trends and cloud technologies
  • Participate in Agile ceremonies and contribute to continuous improvement efforts
Qualifications:

Required:
  • Proficiency in Java and JavaScript
  • Experience developing in a Linux environment
  • Either a Bachelor's degree in Computer Science, or graduation from an accredited coding bootcamp
  • Must possess an active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance and polygraph preferred
  • 5+ years of professional software development experience
  • Must have or be willing to obtain Security+ certification
  • Strong knowledge of Java and JavaScript programming languages
  • Experience with software development best practices and methodologies
  • Demonstrated ability to lead technical initiatives and mentor junior developers
  • Strong system design and architecture skills
Desired:
  • Experience leading development teams in Agile environments
  • Track record of successful delivery of complex, mission-critical applications
  • Experience with Kubernetes or other containerized environment
  • Knowledge of Elasticsearch
  • Familiarity with Java Spring Boot framework
  • Understanding of microservice architecture
  • Experience with Agile development methodologies
  • AWS developer experience
  • Knowledge of WebSocket's
  • Experience with RESTful API design and implementation
  • Security+ certification (or willingness to obtain within a specified timeframe)
What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range :

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:
$90,300 - 189,600 USD

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Full Stack Software Developer, Mid-level in Denver, CO vacancy
  • $98.5k - $206.8k

    Job Title: Mid-Senior Full Stack DeveloperJob Category: EngineeringTime Type: Full...  ...partners. As a Mid-Senior Full Stack Developer, you will operate within a...  ...experience. 5+ years (mid-level) or 10+ years (senior-level) of full-stack software engineering experience. Advanced... 
    Suggested
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Aurora, CO
    7 days ago
  •  ...Secret and/or CBP/DHS suitability level.Vantor is currently seeking a Mid-Level Software Engineer to support our FALCON...  ...using Java and Rust. Experience developing and maintaining low-latency, streaming...  ...Flink and/or Apache Kafka). Full-stack development experience with... 
    Suggested
    Full time
    Remote work

    Maxar Technologies

    Westminster, CO
    7 days ago
  • $69.4k - $158k

     ...Job Number: R0250632 Full Stack Developer, Mid The Opportunity: Bring your full-stack engineering...  ...research and development. As a mid-level engineer, you'll build cloud-native microservices...  ...+ years of experience with full-stack software development ~ Experience in a... 
    Suggested
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    1 hour ago
  • $69.4k - $158k

     ...Job Number: R0250631 Full Stack Developer, Mid The Opportunity: Bring your full-stack engineering...  ...research and development. As a mid-level engineer, you'll build cloud-native microservices...  ...+ years of experience with full-stack software development ~ Experience in a... 
    Suggested
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    1 hour ago
  •  ...Kansas City, MO, United States; Redmond, WA, United StatesPosted: 2026-10-05This OpportunityWSP is currently initiating a search for a Mid-Level Grid Modernization Engineer for our Boise, ID office. The following locations will also be considered: Denver, CO; Kansas City, MO... 
    Suggested
    Work at office
    Local area

    WSP Group

    Denver, CO
    6 days ago
  • $90k - $130k

     ...diversify and apply our customer service and software expertise, we look to develop our associates to grow right alongside the company.Junior and mid-level software engineers are encouraged to...  ...a strong understanding of the full software development lifecycle with experience... 
    Full time
    Contract work
    Temporary work
    Work experience placement
    Work at office
    Local area
    Remote work

    Nelnet

    Centennial, CO
    5 days ago
  • $87.1k - $157.45k

     ...Into Mission Impact You’ve built your software engineering foundation. Now it’s time to...  .... Leidos is seeking an accomplished Mid-Level Software Engineer to join the Chinook Program...  .... Independently you’ll design, develop, integrate, test, and maintain software... 
    Contract work
    Local area
    Immediate start

    Leidos

    Englewood, CO
    1 day ago
  • $78.6k - $135k

     ...currently initiating a search for a Mid-Level Electrical Engineer (...  ...renewable energy facilities.Develop electrical design deliverables...  ...evaluationsUtilize industry-standard software tools such as:SEL AcSELerator...  ..., or other staffing service. Full timePosting Date: 2026-08-07
    For contractors
    Work at office
    Local area
    Flexible hours

    WSP Group

    Denver, CO
    3 days ago
  • $94.3k - $156.6k

     ...is currently initiating a search for a Full-Time Mid-Level Structural (Buildings) Engineer to...  ...directly with other disciplines, and develop deeper expertise in structural systems...  ...and use structural analysis and design software to evaluate building loads and design... 
    Full time
    Local area
    Immediate start
    Flexible hours

    WSP Group

    Denver, CO
    3 days ago
  • $130k - $165k

     ...assignment details with higher level staff to insure thorough...  ...experience at the programmer level developing PLC code and HMI/SCADA...  ...advanced level PLC and SCADA software training3+ years of experience...  ...#LI-CW1Job SummaryCategory: EngineeringType: Full-time, Regular
    Full time
    Flexible hours

    Carollo Engineers

    Littleton, CO
    4 days ago
  •  ...offering contingent labor as a variable cost.Job DescriptionFull Stack Java Developer who has 6+ years' experience with both front-end and back-...  ...prashant.sharma@ artechinfo.comSummaryType: ContractFunction: OtherExperience level: Mid-Senior LevelIndustry: Telecommunications
    Immediate start

    Artech

    Englewood, CO
    7 days ago
  • $110k - $160k

     ...wastewater treatment facilities with minimum supervision by a Senior Level Electrical EngineerPerform load calculations, detailed conduit...  ...available. Eligibility for benefits varies based on employment status.#LI-CW1Job SummaryCategory: EngineeringType: Full-time, Regular
    Full time
    Flexible hours

    Carollo Engineers

    Littleton, CO
    3 days ago
  •  ...Descriptionre interested.Job Title: .Net Full Stack Lead DeveloperLocation: Denver...  ...programing and not front end developers) Candidate should have been...  ...SummaryType: Full-timeFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Computer Software
    Full time

    EROS Technologies

    Denver, CO
    7 days ago
  •  ...Software Engineer - Mid-Career Lockheed Martin Space is seeking a Software Engineer...  ...following: Designing, developing, documenting, testing, and...  ...Participating in the full software development lifecycle...  ...during system and enterprise level tests Unix/Linux development... 

    Phenom People

    Littleton, CO
    1 day ago
  •  ...each client.Job DescriptionJob Title: Full Stack DeveloperLocation: Denver, COEmployment...  ...onlyJob Description Minimum 8 years of solid software development and coding experience...  ...timeFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Staffing And... 
    Full time

    EROS Technologies

    Denver, CO
    4 days ago
  • $122k - $240.5k

    Position Summary Software Engineer III with Agentic AI Experience...  ..., building, and delivering full-stack software and AI-enabled...  ...years of experience designing, developing and delivering AI/ML solutionsAt...  ...development From entry-level employees to senior leaders,... 
    Work at office
    Local area
    Visa sponsorship
    Flexible hours
    Shift work

    Deloitte

    Denver, CO
    3 days ago
  • $86.9k - $198k

     ...Job Number: R0250630 Full Stack Developer, Senior The Opportunity: As a Senior Full Stack...  ...technical strategy ~ Mentor and support mid-level and junior engineers; perform code...  ...+ years of experience with full-stack software engineering ~ Experience leading... 
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    1 hour ago
  •  ...seeking a Structural Engineer (Mid-to-Senior Structural...  ...prepared by others.Develop structural cost estimates...  ...in 3D structural analysis software (ETABS, SAP2000, RISA, RAM...  ...guidelines. SummaryType: Full-timeFunction: EngineeringExperience level: AssociateIndustry: Construction
    Work at office
    Local area
    Worldwide
    Flexible hours

    AECOM

    Denver, CO
    6 days ago
  • $105k - $170k

    Position: Software Engineer (Willing to consider all levels) Location: 8100 Shaffer Parkway...  ...success.Responsibilities:Design, develop, and verify software solutions to...  ...fundamentals such as schedulers, network stack, file system & memory management.... 
    Permanent employment
    Local area

    Redwire

    Littleton, CO
    5 days ago
  • $50 per hour

     ...00.00 - $204,900.00Experience Level: Experienced ProfessionalFT/PT...  ...Space, we aim to harness the full potential of space to cultivate...  ...Space is seeking a full time Software Engineer Sr. In this role, you...  ...development activities. Designs, develops, documents, tests, and debugs... 
    Full time
    Temporary work
    Work experience placement
    Interim role
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    5 days ago
  • $75k - $95k

     ...maintaining security compliance. Develop and maintain AI-enhanced CI/...  ...ready increments. Develop software using Java, Spring Boot,...  ...delivering talent across full-stack engineering, cloud, DevSecOps...  ...machine learning. We hire entry-level engineers, provide paid on-the... 
    Full time
    Internship
    Remote work
    Relocation package

    Smoothstack

    Denver, CO
    3 days ago
  • $90k - $120k

     ...Ullevig is looking to hire a full-time transportation design engineer...  ...Greenwood Village Office. mid-level engineer who wants a...  ...application of transportation modeling software for design projects, leading/...  ...and design projects: Develop trail/roadway/intersection/interchange... 
    Permanent employment
    Full time
    Contract work
    Temporary work
    Work at office
    Immediate start
    Remote work
    Flexible hours

    Felsburg Holt & Ullevig

    Greenwood Village, CO
    24 days ago
  • $50 per hour

     ...Transparency: $95,900.00 - $178,100.00Experience Level: Experienced ProfessionalFT/PT/Casual:...  ...Martin Space, we aim to harness the full potential of space to cultivate innovation...  ..., from early concept through flight.Develop, refine, and own high-fidelity dynamic models... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    5 days ago
  • $50 per hour

     ...00.00 - $251,900.00Experience Level: Experienced ProfessionalFT/PT...  ...Space, we aim to harness the full potential of space to cultivate...  ...seeking an experienced Staff Software Engineer to support the development...  ...activities. Designs, develops, documents, tests, and debugs... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    3 days ago
  • $50 per hour

     ...0.00 - $219,100.00Experience Level: Experienced ProfessionalFT/PT...  ...Space, we aim to harness the full potential of space to...  ...happens once we get there. We’re developing the next generation of intelligent...  ...“smartphones in orbit,” with software that can be updated in flight... 
    Full time
    Temporary work
    Work experience placement
    Interim role
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    3 days ago
  •  ...Entry Level Software Programmer SynergisticIT understands the complex nature of the job market and how difficult it can be to secure a position, especially for fresh graduates. Therefore, we assist and help tech-savvies to convert their passions into professions. We... 
    H1b

    SynergisticIT

    Denver, CO
    2 days ago
  •  ...Software Engineer Level 3 As a Software Engineer Level 3 at CyberPoint, you will lead the design...  ...scalable front-end and back-end solutions Develop and optimize algorithms to meet strict...  ...and requires an active TS/SCI + Full Scope Polygraph Qualifications What You... 
    For contractors
    Local area

    CyberPoint International

    Aurora, CO
    3 days ago
  • $160k - $215k

    San Francisco or DenverEngineering /Full-Time /HybridAs a Backend Engineer on our application team at Windfall, you will be building...  ...& DockerRequirements:5+ years of experienceProfessional backend software engineering experienceExpert object-oriented programming understandingExperience... 
    Full time

    Windfall

    Denver, CO
    6 days ago
  • $50 per hour

     ...00.00 - $178,100.00Experience Level: Experienced ProfessionalFT/PT...  ...Space, we aim to harness the full potential of space to cultivate...  ...capabilities to orbit. The team develops spacecraft accommodations for...  ...into hardware and software specifications.Basic QualificationsBachelor... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    7 days ago
  • $88.97k - $244.51k

     ...the heart of it all.Ready to level-up your career at the company...  ...Services the Solutions Engineers develop thoughtful solutions that help...  ...a fast-paced environment full of exciting challenges and opportunities...  ...: Demonstrate through software demos and rapid prototyping how... 
    Full time
    Work at office
    Remote work
    Flexible hours

    Salesforce

    Denver, CO
    7 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Full Stack Software Developer, Mid-level. Be the first to apply!