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Senior Full Stack Software Engineer Jobs in Colorado

Litera

Sr. Full Stack Engineer

Denver, CO · On-site

As a Senior Full Stack Engineer working with the latest generative AI technology, you will be part ... Demonstrate knowledge of software and security best practices (i.e., object-oriented design ...

Foresight Diagnostics

Senior Software Engineer

Boulder, CO · On-site

$145K - $175K/yr

About the Role We are seeking a Senior Full Stack Software Engineer with strong Python experience, frontend proficiency (preferably in React), and backend experience working with relational databases ...

Litera

Sr. Full Stack Engineer

Denver, CO · On-site

As a Senior Full Stack Engineer working with the latest generative AI technology, you will be part ... Demonstrate knowledge of software and security best practices (i.e., object-oriented design ...

S5 Analytics, LLC

Full-Stack Software Engineer

Littleton, CO · On-site +1

$114.20K - $189.08K/yr

As a Software Engineer at S5 Analytics, you will play a key role in building and enhancing mission ... Experience with frontend + backend (full-stack exposure) * Background supporting geospatial ...

Maxar

Full Stack Software Engineer

Colorado Springs, CO

$82K - $136K/yr

Vantor has an immediate opportunity for a Full Stack Developer to join a team building and ... Bachelor's degree in Computer Science, Software Engineering or a related field (4 additional years ...

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Senior Full Stack Software Engineer information

See Colorado salary details

$46.8K

$141.7K

$200.3K

How much do senior full stack software engineer jobs pay per year?

As of May 30, 2026, the average yearly pay for senior full stack software engineer in Colorado is $141,714.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,700.00 and $166,100.00 per year, depending on experience, location, and employer.

What is a Senior Full Stack Software Engineer job?

A Senior Full Stack Software Engineer is an experienced developer responsible for designing, building, and maintaining both front-end and back-end systems in web or software applications. They work with a variety of technologies, frameworks, and databases to ensure seamless functionality across the entire software stack. In addition to coding, they often provide technical leadership, mentor junior developers, and contribute to architectural decisions. Their role requires strong problem-solving skills, an understanding of best practices, and the ability to collaborate with cross-functional teams to deliver high-quality software solutions.

What are the key skills and qualifications needed to thrive in the Senior Full Stack Software Engineer position, and why are they important?

To thrive as a Senior Full Stack Software Engineer, you need deep expertise in both front-end and back-end development, strong problem-solving abilities, and a solid foundation in computer science principles, typically demonstrated by a bachelor’s or master’s degree in a related field. Familiarity with frameworks and languages like React, Angular, Node.js, Python, and proficiency in using cloud platforms, version control systems like Git, and continuous integration tools is crucial, and relevant certifications are an advantage. Exceptional communication, leadership, and teamwork skills help you effectively coordinate with cross-functional teams and mentor junior engineers. These skills ensure you can deliver robust, scalable solutions while driving project success and fostering a collaborative development environment.

What does a typical workday look like for a Senior Full Stack Software Engineer?

A typical day for a Senior Full Stack Software Engineer involves designing and implementing new features, reviewing and improving code, and collaborating with product managers, designers, and other developers to deliver project goals. You might split your time between writing code for both front-end and back-end systems, participating in daily stand-up meetings, and providing technical guidance to junior team members. The role often requires balancing hands-on development with architectural planning and problem-solving for complex technical challenges. You’ll also frequently interact with stakeholders to gather requirements and provide updates, ensuring alignment throughout the software development lifecycle.
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Senior Full Stack Software Engineer jobs near you
Infographic showing various Senior Full Stack Software Engineer job openings in Colorado as of May 2026, with employment types broken down into 100% Full Time. Highlights an 74% In-person, and 26% Remote job distribution, with an average salary of $141,714 per year, or $68.1 per hour.
Full Stack Software Engineer

Full Stack Software Engineer

CACI International, Inc.

Aurora, CO • On-site

$82.10K - $172.40K/yr

Full-time

Medical, Retirement, PTO

Posted 23 days ago

Job description

Job Title: Full Stack Software Engineer
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: 7/3/2026
The Opportunity:
We are seeking a talented and motivated Software Engineer to join our dynamic team. As a key contributor, you will design, develop, and maintain innovative software solutions that meet modern industry standards. You will be responsible for writing clean, scalable code, troubleshooting technical issues, and optimizing system performance. A strong understanding of cloud computing, APIs, and software architecture is highly desirable. If you are passionate about technology and eager to make an impact, we would love to hear from you!
Responsibilities:
  • Modernize Architecture: Design and deploy scalable microservices, moving away from monolithic structures toward event-driven, serverless solutions.
  • Full-Stack Development: Build modern user interfaces using React and develop high-performance services using Python with FastAPI or Flask.
  • Data Lake Management: Architect solutions for the collection, governance, and processing of Very Large Data Sets (VLDS) within a modern data lake environment.
  • CI/CD Leadership: Implement and manage robust automated pipelines using GitLab CI/CD (or Jenkins) to ensure seamless delivery and high code quality.
  • Testing Excellence: Maintain high reliability through comprehensive unit (pytest/Jest), system, and integration testing.

Qualifications:
Required:
  • Bachelor's degree in computer science or related field
  • 5+ years of experience in object-oriented (OO) languages, with expertise in Python
  • Must possess an active TS/SCI security clearance with Polygraph

Full-Stack & Backend Development
  • UI: Extensive experience with React for building responsive, modern front-end applications.
  • Service Development: Mandatory expertise in Python.
  • Frameworks: Hands-on experience with lightweight frameworks such as FastAPI or Flask.
  • Architecture: Proven track record in Microservices and modern design patterns.

AWS Cloud & Serverless (Primary Focus)
  • Compute: Expert-level knowledge of AWS Lambda and Step Functions.
  • API Management: Practical experience with Amazon API Gateway.
  • Storage & Search: Proficiency with S3, DynamoDB, and OpenSearch.
  • Note: Experience with ECS/EC2 is beneficial, but the priority is serverless architecture.

Data Storage & Management
  • Relational: Deep proficiency with PostgreSQL.
  • NoSQL: Experience with MongoDB.
  • Cloud Storage: Broad understanding of AWS or Azure storage ecosystems.

Build Tools & DevOps
  • CI/CD: Strong experience with GitLab CI/CD (preferred) or Jenkins.
  • Build Ecosystem: Proficiency with NPM (front-end), Maven, and Gradle (backend/dependency management).

Desired:
  • Experience in DevSecOps environments.
  • Familiarity with cloud-native security best practices within a cleared environment.
  • Experience handling VLDS (Very Large Data Sets) in a production setting.
  • IAT Level II or III certification (i.e. Security+, CISSP, or CASP)

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.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$82,100-$172,400
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.

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