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Senior Java Developer Jobs in Longmont, CO (NOW HIRING)

About the Role Spire is looking for a Senior Software Engineer to help design, build, and improve ... Experience with at least one compiled language such as Rust, C++, Go, Java, or C * Strong backend ...

C++ Senior Staff/Senior Software Engineer

Boulder, CO · On-site

$128K - $170K/yr

SciTec is seeking a senior C++ software developer to support programs delivering Missile Defense ... Fluency in one or more additional languages such as Python, Rust, Java, or MATLAB * A current DoD ...

C++ Senior Staff/Senior Software Engineer

Boulder, CO · On-site

$127K - $167K/yr

SciTec is seeking a senior C++ software developer to support programs delivering Missile Defense ... Fluency in one or more additional languages such as Python, Rust, Java, or MATLAB * A current DoD ...

Sr AI/ML Engineer

Longmont, CO

$103K - $141K/yr

The Senior AI/ML Engineer is a highly skilled and experienced professional responsible for leading ... Strong proficiency in programming languages such as Python, C++, C# or Java, with experience in ...

About the Role Spire is looking for a Senior Software Engineer to help design, build, and improve ... Experience with at least one compiled language such as Rust, C++, Go, Java, or C * Strong backend ...

PHP, Java, .NET, Python, etc. Additional Information All your information will be kept confidential according to EEO guidelines. Please send your resume at rjuarez@quantixinc. com or you may reach me ...

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Senior Java Developer information

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How much do senior java developer jobs pay per hour?

As of Jul 13, 2026, the average hourly pay for senior java developer in Longmont, CO is $62.11, according to ZipRecruiter salary data. Most workers in this role earn between $54.42 and $69.38 per hour, depending on experience, location, and employer.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What are the most commonly searched types of Java Developer jobs in Longmont, CO? The most popular types of Java Developer jobs in Longmont, CO are:
What are popular job titles related to Senior Java Developer jobs in Longmont, CO? For Senior Java Developer jobs in Longmont, CO, the most frequently searched job titles are:
What cities near Longmont, CO are hiring for Senior Java Developer jobs? Cities near Longmont, CO with the most Senior Java Developer job openings:
Senior Software Test Automation Engineer

Senior Software Test Automation Engineer

Particle Measuring Systems

Niwot, CO • Hybrid

$124K - $161K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 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:$100,000 - $140,000 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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