Full Stack Developer Jobs in Colorado, United States

OtterLLC seeks a seasoned Full Stack Developer to architect and deliver high‑performance web applications. The role involves collaborating with product and design leads, writing clean code in React and Node.js, and maintaining a robust AWS‑based infrastructure.

Software Delivery & Cloud team at Dark Wolf Solutions builds rapid agile defensive cyber solutions for the United States Space Force. The Full Stack Developer designs, tests, implements, and maintains software tools that monitor, analyze, visualize, and report on cyber status of space ground systems and data links, while evaluating architectures and mentoring staff.

Northstrat, a GRVTY company, builds secure, scalable software solutions for national security challenges. The Full Stack Developer participates in Agile ceremonies, designs and implements features using AWS, Java, Vue, Spring and databases, and deploys code through an automated DevSecOps pipeline while gathering user feedback.

Northstrat is seeking a Full‑Stack Software Developer to join its growing agile development program. The role builds scalable, secure web applications using AWS, Java, Vue, Spring and DevSecOps pipelines while participating in all Agile ceremonies.

Northstrat's development team builds a comprehensive dashboard for program metrics, release notes, and integration testing status. The Full Stack Developer participates in Agile ceremonies, designs front‑end Vue interfaces and back‑end Java/Python services, and deploys code via automated DevOps pipelines on AWS. Sterling, VA, 100% onsite, on‑site work model.

Alchemer is a survey and data insights platform founded in 2006 that empowers business professionals to make informed decisions through real-time data collection and analytics. As the most senior individual contributor on Alchemer's analytics and data visualization products, you will build new services and interfaces, lead significant changes, and maintain the existing portfolio while setting technical standards for other engineers.

SHIV (SIGINT Holistic Integration and Verification) program at GRVTY builds a comprehensive dashboard for mission metrics and integration testing. The Full Stack Developer designs and implements front‑end Vue interfaces and back‑end Java/Python services, automates testing with Cypress, and deploys via Docker/Kubernetes on AWS. Aurora, CO and Sterling, VA, on‑site, Full-time.

Lynker, a Federal Government Contractor, is seeking a Senior Full Stack Developer to support a long-term contract with the Space Weather Prediction Center (SWPC). The role involves designing and modernizing intuitive, responsive web interfaces and back-end systems that communicate critical space weather information, including integrating generative AI and machine learning features.

Full Stack Web Developer on CACI’s technology team, building responsive, scalable applications to solve national security challenges. The role designs and develops modern web apps using React.js, Flask/Express.js, and PostgreSQL, integrating RESTful APIs and ensuring performance, reliability, and security.

You will join the AI Marketplace team at Loft Orbital, working directly with the Director of Marketplace to build the first marketplace for space-based AI applications. You will build the Marketplace storefront, partner portal, and admin tooling, and design and implement the APIs and services behind them, including catalog, onboarding, entitlements, and metering.

CACI's Radar and Sensor Technologies group is seeking engineers to support the development of algorithms and software for synthetic aperture radar, low observables, electro-optical, and other remote sensing capabilities. You will convert algorithm prototypes into robust software applications, collaborate with radar and research scientists to improve product image quality, and participate in the full development lifecycle.

Join Otter, the leading waiver creation system, as a Full Stack Developer Intern to enhance our dashboard UI across Analytics, Front Office, and Back Office. You’ll collaborate with the tech team to update interfaces, design UX/UI elements, and implement front‑end logic using modern frameworks.

CACI's Radar and Sensor Technologies group is seeking engineers to support development of algorithms and software for synthetic aperture radar, low observables, electro-optical, and other remote sensing capabilities. You will convert algorithm prototypes into robust software applications, collaborate with radar and research scientists, and participate in the full development lifecycle.

Software Development Team delivering next‑generation mission management systems using cloud‑native technologies. The role builds and maintains Java microservices and Vue.js user interfaces, writes automated tests, and deploys code through a fully automated DevSecOps pipeline.

CACI's Radar and Sensor Technologies group seeks engineers to support algorithm and software development for synthetic aperture radar, low observables, electro-optical, and other remote sensing capabilities. You will convert algorithm prototypes into robust software, collaborate with radar and research scientists, and participate in the full development lifecycle.

CACI's Radar and Sensor Technologies group seeks engineers to support algorithm and software development for synthetic aperture radar, low observables, electro-optical, and other remote sensing capabilities. Day-to-day work includes converting algorithm prototypes into robust software applications, collaborating with radar and research scientists to improve product image quality, and participating in the full development lifecycle from planning through deployment and maintenance.

Connect for Health Colorado, the state’s public health insurance marketplace, builds and maintains the online platform that enables individuals and small employers to compare plans, apply for financial assistance, and purchase coverage. The Senior Full Stack Developer (Front-End Specialist) leads the design and implementation of high‑performance Angular applications, collaborates with product, UX, and infrastructure teams, and mentors developers while leveraging AI‑enabled tools to accelerate de

CACI is seeking a Mid-level Full Stack Software Developer to join the Makalu contract team, building and maintaining cloud-native applications that provide Situational Awareness and Collaboration capabilities. Day-to-day work includes designing and developing Java/JavaScript microservices, collaborating in an Agile environment, and contributing across the full software development lifecycle with a focus on testing and code reviews.

Why work for us? A career at Janus Henderson is more than a job, it’s about investing in a brighter future together. Our Mission at Janus Henderson is to help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class service.

Bring your full-stack engineering expertise to help modernize OPIR research and development. As a mid‑level engineer, you’ll build cloud‑native microservices, develop scalable front‑end interfaces, and support the transformation of legacy analytical pipelines into modern, secure architectures that directly empower analysts in exploitation, tracking, visualization, and reporting workflows.