Senior Fullstack Software Engineer Jobs in Colorado
Senior Fullstack Software Engineer jobs in Colorado are concentrated in Denver, Boulder, and Colorado Springs, where companies like Lockheed Martin, Palantir, and Rally Health maintain substantial engineering teams. Demand is strongest for engineers with expertise in React, Node.js, cloud-native architecture, and distributed systems. Colorado's tech sector draws on aerospace, defense, health tech, and a dense startup ecosystem that keeps senior fullstack roles among the most active in the Mountain West. See the openings below and apply to the ones that match your experience.
Find JobsOverview
Showing 5 of 32+ Senior Fullstack Software Engineer jobs











About Peraton
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we’re keeping people around the world safe and secure.
About The Role
We are seeking a highly motivated Lead Full Stack Software Engineer to architect the technica design and development of cloud-based SIGINT microservices. This is a unique opportunity to contribute directly to an operational mission for our Intelligence Community customers while gaining hands-on experience with cutting-edge technologies.
As the technical lead for our innovative team, you will provide direction and collaborate with top-tier engineers, and work with advanced development tools, as you play a key role in enhancing the security and effectiveness of national intelligence efforts. Be part of something greater, as you work to design, develop, and deploy state-of-the-art cloud-based software solutions that make a difference.
Key Responsibilities:
- Customer Engagement: Interface regularly with project managers and customers, requiring strong communication skills and the ability to collaborate effectively.
- Design, Develop, Deploy: Support
- Collaborate Across Teams: Partner with end-user Analysts, Systems Engineers, and fellow Software Engineers to plan, design, and develop complex electronic data processing systems that deliver value to the Intelligence Community.
- Agile Development: Implement software solutions using a fast-paced Agile methodology, continuously iterating and enhancing capabilities.
- Advanced Tech Stack: Work with modern frameworks and tools, including Java, Spring Boot/Spring Framework, Angular/Typescript, MongoDB, Docker, Kubernetes, and more.
- Continuous Integration & Delivery: Leverage CI/CD tools (i.e. GitLab, GitLab Pipelines) to continuously build, test, and integrate software with efficiency and precision.
Qualifications
Required Qualifications:
- 8+ years with BS/BA, 6 years with MS/MA, 3 years with PhD.
- Additional 4 years of relevant experience will be considered in lieu of a bachelor's degree.
- Top Secret/SCI Clearance with CI poly (active/current) - U.S. Citizenship Required
- Experience defining technical roadmaps, planning resources, and aligning engineering tasks with Customer goals
- Back-end development experience with Java (Spring/Spring Boot Framework)
- Proficiency in front-end technologies:
- HTML,
- CSS,
- JavaScript (frameworks like Angular, React or Vue.js)
- Hands-on experience with databases; MongoDB, MySQL, PostgreSQL or similar.
- GitLab (Pipelines, Automated CI/CD, SonarQube, SAST, Code Scanning, NexusIQ, Dependency Scanning)
- Experience with cloud services like AWS, Azure, or Google Cloud.
- Experience with containerized systems
- Experience with CI/CD pipelines DevOps practices.
- Security+ Certification or ability to obtain within 90 days
Desired Qualifications:
- Understanding of systems engineering principles and documentation
- Kubernetes (RKE/RKE2), Docker, Helm
- Messaging Platforms (RabbitMQ or similar)
- PKI Authentication/Certificates, Keycloak, OIDC
- Observability tools (Grafana, Loki, Prometheus, Alert Managers)
- Atlassian Tool Suite (JIRA, Confluence), Cucumber/Selenium
- Java 17, JUnit 5, Mockito.
Travel:
10% to attend Customer hosted quarterly PMRs
Benefits:
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, ten company holidays per year, annual merit assessments, and eligible to participate in an attractive bonus plan.
Details
Target Salary Range: $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
See All 32 Senior Fullstack Software Engineer Jobs in Colorado
Find roles in Colorado that match your experience and apply in just a few clicks.
Find JobsSenior Fullstack Software Engineer Jobs by City in Colorado
Where Colorado roles are concentrated, by current openings.
Senior Fullstack Software Engineer Job Market in Colorado
A snapshot from current Colorado openings, updated as new roles post.
Who's Hiring



Top Industries Hiring
- Manufacturing
What Colorado Employers Look For
The qualifications that appear most often in senior fullstack software engineer jobs across Colorado.
- Minimum five to eight years of professional software engineering experience with fullstack responsibilities
- Proficiency in at least one modern frontend framework such as React, Angular, or Vue
- Strong backend development skills in Node.js, Python, Java, or Go
- Experience designing and maintaining cloud infrastructure on AWS, Azure, or Google Cloud
- Demonstrated ability to lead technical projects and mentor junior or mid-level engineers
- Familiarity with CI/CD pipelines, containerization tools like Docker, and Agile delivery practices
Senior Fullstack Software Engineer Jobs in Colorado: Frequently Asked Questions
How do you become a senior fullstack software engineer in Colorado?
Colorado does not require a state-issued license to work as a software engineer, so the path runs through education, portfolio, and experience. Most hiring managers in Denver and Boulder look for a bachelor's degree in computer science, software engineering, or a related field, along with several years of fullstack project work. Candidates who build a strong GitHub portfolio, contribute to open-source projects, or complete a recognized bootcamp can also advance into senior roles by demonstrating depth in both frontend and backend systems.
How much do senior fullstack software engineers make in Colorado?
Senior fullstack software engineers in Colorado earn a median of about $138,390 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $96,480 for the lowest 10% to over $213,010 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire senior fullstack software engineers in Colorado?
Colorado senior fullstack software engineer roles are posted by CesiumAstro, Worldpay, and Vantor and others right now, based on current listings on Migrate Mate as of September 2026. Colorado's mix of aerospace primes, health tech companies, and venture-backed startups creates consistent demand for senior fullstack engineers who can work across complex, integrated systems.
Which Colorado cities have the most senior fullstack software engineer jobs?
Denver, Westminster, and Colorado Springs account for the largest share of senior fullstack software engineer openings in Colorado. Denver drives the most volume as the state's corporate and startup hub, while Boulder's deep concentration of SaaS and deep-tech companies sustains strong demand, and Colorado Springs benefits from defense contractors and government technology employers based along the Front Range corridor.
Are there remote senior fullstack software engineer jobs in Colorado?
Yes, and more than most fields. About 85% of senior fullstack software engineer openings tied to Colorado are remote or hybrid as of September 2026, reflecting how thoroughly distributed the work has become for desk-based engineering roles. The parts of the role most often offered remotely are frontend feature work and API development, while on-site presence is more common for roles tied to regulated industries such as defense or healthcare.
How can I get hired as a senior fullstack software engineer in Colorado with little or no experience?
The most realistic entry path is securing an associate or junior software engineer role at a Colorado company and building toward senior from within. Large Denver-area employers in health tech and enterprise software regularly run new-grad programs and internship pipelines that convert to full-time positions. Candidates transitioning from adjacent roles such as QA engineer, DevOps engineer, or frontend developer can move laterally by adding backend depth to their portfolio. A strong project portfolio demonstrating end-to-end application ownership carries significant weight with Colorado hiring teams even without years of formal experience.
Where can I find and apply to senior fullstack software engineer jobs in Colorado?
You can find and apply to senior fullstack software engineer jobs in Colorado on Migrate Mate, which lists current Colorado openings updated regularly. Search the listings, find the roles that fit your background and preferred work arrangement, and apply directly to the ones that match.
See All 32 Senior Fullstack Software Engineer Jobs in Colorado
Find roles in Colorado that match your experience and apply in just a few clicks.
Find Jobs