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Senior Full Stack Software Developer Jobs in Fort Collins, CO

Senior Software Engineer

Longmont, CO · On-site

$121K - $159K/yr

Iridium is seeking an experienced Senior Software Engineer to join the team developing a state-of-the-art satellite ground system and user equipment for the company's satellite-based position ...

About Software Engineering Roles at Danaher Are you passionate about building real-world ... Contributions to coding forums like Stack Overflow or other collaborative development communities ...

About Software Engineering Roles at Danaher Are you passionate about building real-world ... Contributions to coding forums like Stack Overflow or other collaborative development communities ...

As a Senior Embedded Software Engineer at Ursa Major, you will design, develop, and maintain the software powering our engines, vehicles, and avionics systems. You will be part of a small, high ...

Senior Software Engineer

Loveland, CO · On-site

$125K - $166K/yr

Critical functions are broad, ranging from on-device firmware, analytical algorithms, connectivity, GUI design, DevOps, manufacturing tools, and support of customer-facing software. This is an ...

Senior Software Engineer

Loveland, CO · On-site

$125K - $166K/yr

Critical functions are broad, ranging from on-device firmware, analytical algorithms, connectivity, GUI design, DevOps, manufacturing tools, and support of customer-facing software. This is an ...

Showing results 41-60

Senior Full Stack Software Developer information

See Fort Collins, CO salary details

$23

$58

$85

How much do senior full stack software developer jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for senior full stack software developer in Fort Collins, CO is $58.66, according to ZipRecruiter salary data. Most workers in this role earn between $48.80 and $67.60 per hour, depending on experience, location, and employer.

What is a senior full stack software developer?

A Senior Full Stack Software Developer is an experienced professional who designs, develops, and maintains both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to work on the entire technology stack, from databases and servers to user interfaces. In addition to coding, they often lead projects, mentor junior developers, and help architect scalable solutions that meet business needs. Their role requires strong problem-solving skills, a deep understanding of software development best practices, and the ability to collaborate with cross-functional teams.

What are the key skills and qualifications needed to thrive as a senior full stack software developer?

A Senior Full Stack Software Developer needs advanced proficiency in both front-end and back-end programming languages, strong problem-solving skills, and several years of relevant software development experience. Familiarity with frameworks like React or Angular, back-end technologies such as Node.js or Django, and experience with cloud platforms, CI/CD tools, and version control systems like Git are typically required. Excellent communication, teamwork, and leadership abilities help developers collaborate effectively and mentor junior team members. These skills are crucial for designing robust, scalable applications and leading complex projects to successful completion.

What types of projects and technologies can a senior full stack software developer expect to work on, and how does the team typically collaborate?

As a Senior Full Stack Software Developer, you can expect to work on a diverse range of projects such as developing scalable web applications, integrating APIs, and optimizing system performance. The tech stack often includes front-end frameworks like React or Angular, back-end environments such as Node.js, Python, or Java, and databases like PostgreSQL or MongoDB. Collaboration is highly cross-functional—you’ll regularly coordinate with product managers, UX/UI designers, QA engineers, and other developers through agile methodologies, code reviews, and sprint planning sessions. This role offers opportunities to mentor junior developers, influence architectural decisions, and contribute to continuous process improvement.

What is the difference between Senior Full Stack Software Developer vs Software Engineer?

AspectSenior Full Stack Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience in full stack developmentBachelor's degree in CS or related field; may have certifications in specific technologies
Work EnvironmentCollaborates across front-end and back-end teams, often in agile settingsDesigns, develops, and maintains software applications, often in teams or individually
Industry UsageCommon in tech companies, startups, and agencies requiring versatile development skillsWidely used across industries for software development roles

While both roles involve software development, a Senior Full Stack Software Developer specializes in both front-end and back-end technologies, often taking on leadership responsibilities. A Software Engineer may focus on specific areas of software design and implementation, with less emphasis on full stack expertise. The roles overlap in skills and industry usage, but the senior developer typically has broader responsibilities and experience in full stack development.

What are the most commonly searched types of Full Stack Software Developer jobs in Fort Collins, CO?

The most popular types of Full Stack Software Developer jobs in Fort Collins, CO are:

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For Senior Full Stack Software Developer jobs in Fort Collins, CO, the most frequently searched job titles are:

What job categories do people searching Senior Full Stack Software Developer jobs in Fort Collins, CO look for?

The top searched job categories for Senior Full Stack Software Developer jobs in Fort Collins, CO are:

What cities near Fort Collins, CO are hiring for Senior Full Stack Software Developer jobs?

Cities near Fort Collins, CO with the most Senior Full Stack Software Developer job openings:

Infographic showing various Senior Full Stack Software Developer job openings in Fort Collins, CO as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $122,011 per year, or $58.7 per hour.

Senior Software Test Automation Engineer

Particle Measuring Systems

Niwot, CO • Hybrid

$124K - $161K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago


Job description

Do you want to be part of a business that genuinely valuesentrepreneurialism,innovationandindividual accountability? Wefocus on our customersand are proud of the difference our technology makes. We partner with some of the biggest manufacturing companies in the world and our technical innovations are used to enhance well-known brands across multiple industries.

Title Senior Software Test Automation Engineer

Department R&D

Location Niwot, CO (Hybrid)

ReportsTo Software Test Manager

About Us

Established in 1972, Particle Measuring Systems is aglobal leaderformicro-contamination monitoringequipment improving the performance of clean manufactures in thesemiconductorandpharmaceuticalindustries.We'rea growing technology company in Niwot, Colorado, the heart of the Rocky Mountains.We offer an exceptional and rewarding work environment ina great placeto live.Our employees enjoy challenging projects in the development and manufacture of light scattering particle counters and diverse technologies and applications.

Your Impact

We are looking for aSenior Software Test Automation Engineerwho will contribute to the success of theR&DTeam, applying theirexpertiseintest automation and systems-level testingto support the achievement of team and company goals and deliver innovative, reliable solutions.In this role, the successful candidate will collaborate effectively with colleagues and cross-functional teams,demonstratestrong problem-solving and decision-making skills, andmaintaina commitment to professional excellence,qualityand continuous improvement.

The Role

As a Senior Software Test Automation Engineer, you will be a key contributor to a team of highly skilled engineers, leading testing efforts for complex application software and embedded firmware across the product lifecycle. You will design and execute advanced test strategies for large features and systems, develop and maintain robust automation frameworks, and collaborate closely with developers and systems engineers to ensure comprehensive test coverage. This role involves tackling challenging technical problems, driving defect resolution, and enhancing test automation to support efficient, high-quality software delivery.

Job Responsibilities

  • Lead and execute complex testing efforts across the software development lifecycle for application software and embedded systems, ensuring high-quality releases.

  • Design, develop, and enhance advanced test automation frameworks that are scalable, maintainable, and aligned with evolving product needs (e.g., Java, Python).

  • Plan and lead testing activities for large or complex features/projects, including test scope definition, risk identification, and execution coordination.

  • Collaborate closely with cross-functional teams (software engineering, systems, product) to review requirements, refine use cases, and ensure robust test coverage and traceability.

  • Develop and execute comprehensive test suites (functional, integration, system, and performance), both manual and automated, for complex workflows and edge cases.

  • Troubleshoot and analyze complex defects, perform root cause analysis, and partner with developers to validate fixes and drive resolution.

  • Integrate and maintain automated tests within CI/CD pipelines, improving reliability, execution speed, and feedback cycles.

  • Contribute to and uphold best practices in test automation, coding standards, and QA processes through code reviews and team collaboration.

  • Mentor and support less experienced engineers, providing guidance on tools, frameworks, and effective testing approaches.

  • Evaluate and recommend improvements to tools, frameworks, and processes to enhance test efficiency and effectiveness.

  • Create and maintain clear, detailed test documentation, ensuring transparency and knowledge sharing across teams.

  • Participate actively in Agile events, contributing technical insight on testing considerations, risks, and dependencies.

  • Continuously evaluate processes for improvements in efficiency, quality, and safety.

  • This job description is not intended to beall-inclusive.Responsibilities may evolve over time, and other related duties may be assigned to meet the ongoing needs of the company.

Required Qualifications

  • A BS degree in Computer Science, Software Engineering, or equivalent.

  • At least 10 years' experience as an Automation Software Test Engineer developing and executing automation software/firmware test scripts, testing and tracking defects.

  • 3 years of professional experience may be substituted for MS degree in a relevant field.

  • Strong technical foundation in software development and test principles.

  • Experience with software test tools and processes, including automation testing and defect tracking.

  • Expertise on test-driven development, developing different levels of automated tests, such as functional test, integration test, system test, or performance test.

  • Experience developing and maintaining automated tests using Ranorex (strongly preferred).

  • Working experience with programming languages such as Java or Python.

  • Familiarity with IntelliJ IDEA or other integrated development environments (IDEs).

  • Strong analytical and problem-solving skills, with strong attention to detail.

  • Clear oral and written communication skills, especially technical writing.

  • Self-starter and capable of working effectively with minimal supervision.

Preferred Qualifications

  • Experience working within an Agile Development Environment is preferred.

  • Knowledge of Jira/Confluence is preferred.

Work Environment & Physical Requirements

  • This role primarilyoperatesin an office/lab/manufacturing environment.

  • Mustbe able to sit, stand, and use a computer for extended periods of time.

  • This is a hybrid position, "in-office"minimum 3 days per week.

  • Occasional lifting of up to20lbs.may berequired.

  • Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this role.

Compensation & Benefits

  • Competitive base salary range:$84,000 - $126,000 depending on experience

    • Our compensation philosophy:we offer competitive pay based on market data, including local, national, and industry benchmarks.For new hires, offers aregenerally withinthe established min- to mid-point of the range for the role, with flexibility to recognize experience, skills, and education.Our approach ensures fair pay internally whileremainingcompetitive externally and allows room for growth.

  • Comprehensive benefits package:

    • Health coverage: medical, dental, vision,fsa, onsite clinic (CO employees), life insurance

    • 401(k) retirement plan with company match

    • Vacation, holiday, and leave policies

    • Tuition reimbursement, Employee recognition programs, Employeeassistanceprograms

Particle Measuring Systems is proud to be an Equal Opportunity Employer and are committed to building an inclusive and supportive workplace where everyone can thrive

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