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Open Source Software Developer Jobs in Kansas City, MO

Deloitte

Delivery Management Engineer II

Kansas City, MO · Hybrid

$54.50 - $72.75/hr

... and open-source tools. Technical Project/Program Management: you will help manage technical ... and DevOps teams. Bachelor's degree in computer science, software engineering, information ...

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Lead Software Engineer

Kansas City, MO · On-site

We are seeking a Lead Software Developer to design and deliver modern software systems. This role ... Visit our website atwww.reply.comto learn more about our open roles. We may use artificial ...

3B Staffing LLC

DRUPAL-PHP Developer

Kansas City, MO · On-site +1

Designing algorithms and workflows to create new software applications and backend systems ... Experience with Drupal's open-source ecosystem of modules. * Familiarity with implementing and ...

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Lead Software Engineer

Kansas City, MO · On-site

We are seeking a Lead Software Developer to design and deliver modern software systems. This role ... Visit our website at www.reply.com to learn more about our open roles. We may use artificial ...

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Lead Software Engineer

Kansas City, KS · On-site

We are seeking a Lead Software Developer to design and deliver modern software systems. This role ... Visit our website atwww.reply.comto learn more about our open roles. We may use artificial ...

3B Staffing LLC

DRUPAL-PHP Developer

Kansas City, MO · On-site +1

Designing algorithms and workflows to create new software applications and backend systems ... Experience with Drupal's open-source ecosystem of modules. * Familiarity with implementing and ...

Aon

AVP, Software Engineering & DevOps

Kansas City, MO · On-site

$51.50 - $70.50/hr

... & DevOps owns software development, DevOps, and code delivery across the firm. This role is ... Set realistic guidelines for architecture, coding, source control, code review, automated testing ...

GuideTech Open Roles

Embedded Software Engineer

Lenexa, KS · On-site

$119K - $157K/yr

Lenexa, KS (On-site) As an Embedded Software Engineer, you'll develop embedded software that powers ... You build strong working relationships based on trust, respect, and open communication. * You are ...

Dellfor Technologies

senior java developer

Missouri City, MO

$53.50 - $68.25/hr

Expertise in various open source frameworks and tools like Adobe Flex SDK, JSF, Spring, Struts and ... Experience with all phases of the Software Development Lifecycle, including system analysis, design ...

Dellfor Technologies

senior java developer

Kansas City, KS

$55.25 - $70.50/hr

Expertise in various open source frameworks and tools like Adobe Flex SDK, JSF, Spring, Struts and ... Experience with all phases of the Software Development Lifecycle, including system analysis, design ...

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Showing results 21-40

All JobsOpen Source Software Developer JobsOpen Source Software Developer Jobs in Kansas City, MO

Open Source Software Developer information

See Kansas City, MO salary details

$46.8K

$109.1K

$162K

How much do open source software developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for open source software developer in Kansas City, MO is $109,142.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,800.00 and $126,900.00 per year, depending on experience, location, and employer.

What is an open source software developer?

Open Source Software Developers are programmers who create, maintain, or contribute to software projects whose source code is made freely available for anyone to use, modify, and distribute. They often collaborate with a global community of developers and may work on a voluntary basis or be employed by organizations that support open source initiatives. Their work involves writing code, fixing bugs, reviewing contributions, and helping manage project documentation. Open source developers play a key role in advancing technology by making software accessible and fostering innovation through community collaboration.

How do open source software developers typically collaborate with contributors from around the world?

Open Source Software Developers often work with a global community of contributors using online collaboration tools such as GitHub, mailing lists, and chat platforms like Slack or Discord. Communication is primarily asynchronous, requiring clear documentation and code review practices to ensure smooth project progress. Developers regularly participate in discussions, review pull requests, and help onboard new contributors, making strong written communication skills essential. This collaborative environment fosters learning and innovation, but also requires flexibility and patience to manage different time zones and cultural perspectives.

What are the key skills and qualifications needed to thrive as an open source software developer, and why are they important?

To thrive as an Open Source Software Developer, you need strong programming skills, knowledge of version control systems like Git, and familiarity with open source licensing, typically supported by a relevant degree or coding experience. Proficiency with collaborative development platforms such as GitHub or GitLab and understanding of continuous integration tools are commonly required. Excellent communication, self-motivation, and the ability to work effectively in distributed teams set outstanding contributors apart. These skills are crucial for efficiently building, maintaining, and contributing to widely used open source projects in a collaborative, global environment.

What is the difference between Open Source Software Developer vs Software Engineer?

AspectOpen Source Software DeveloperSoftware Engineer
CredentialsTypically requires programming skills, familiarity with open source licenses, and sometimes certifications like Linux Foundation certificationsRequires a degree in computer science or related field; certifications like Microsoft Certified or AWS certifications are common
Work EnvironmentOften collaborates in open source communities, contributes to public repositories, and works remotelyWorks in corporate or enterprise settings, often in teams within organizations
Industry UsageUsed across tech, non-profit, and open source communities; focuses on public projectsEmployed in various industries including tech, finance, healthcare, and more for product development

While both roles involve software development, Open Source Software Developers focus on collaborative, community-driven projects often in open environments, whereas Software Engineers typically work within organizations on proprietary or internal systems. The roles overlap in skills but differ in scope and work setting.

Open Source Software Developer jobs near you

Software Developer in Test (SDET)

Overland Park, KS • On-site

Syms Strategic Group, LLC (SSG)
IT Services • 11 - 50 employees
Learn more about Syms Strategic Group, LLC (SSG)external

$85K - $116K/yr

Full-time

Posted 8 days ago

Job description

Syms Strategic Group (SSG) is seeking a talented Software Developer in Test (SDET)
Location: Remote
Department: Veterans Affairs (VA)
Type: Full Time
Min. Experience: Experienced
Security Clearance Level: Public Trust (MBI)
Salary Range: $85,389 - $116,975
Military Veterans are highly encouraged to apply!Essential Duties and ResponsibilitiesNOTE: This is NOT an SQA tester position. Candidates MUST have strong programming skills, often in languages such as C#, .Net, Java, or Python.
  • Develop and execute test plans, test cases, and test procedures to ensure that all information systems, products, and services meet organizational standards and end-user requirements
  • Develop test plans, test schedule, and approach
  • Write test cases and scripts and identifies data for test scenarios
  • Conduct a walk through on test case(s)/script(s) with Test Managers, Requirement Leads, Project Managers, and Development Leads
  • Perform and lead tests and software and/or Information Technology (IT) systems to ensure proper operation and freedom from defects
  • Perform verification activities on work products using defined methods, procedures, and criteria with an appropriate verification environment
  • Document and communicate test results
  • Support analysis of test results and resolution of open issues
  • Document and communicate test results
  • Support analysis of test results and resolution of open issues
  • Document and work to resolve all complex problems
  • Report progress on problem resolution to management
  • Devise improvement to current procedures and develop models of possible future configurations
  • Create daily test metrics and reporting
  • Occasionally perform other IT systems engineering activities such as requirements, design, installation, operation, sustainment, and support
  • Apply technical principles, theories, and concepts in the field
  • Receive assignments in the form of objectives and establish goals to meet outlined objectives
  • Provide direction to employees according to established policies and management guidance
  • Measure whether objectives have been met
  • Provide technical solutions to a wide range of difficult problems where analysis of data requires evaluation of identifiable factors
  • Ensure that solutions are imaginative, thorough, practicable, and consistent with organizational objectives
  • Independently determine and develop approach to solutions
  • Review work upon completion for adequacy in meeting objectives
  • Demonstrate good judgment in selecting methods and techniques for obtaining solutions
  • Contribute to completion of specific programs and projects
  • Perform frequent inter-organizational and outside customer contacts
  • Represent organization in providing solutions to difficult technical issues associated with specific projects
Required Skills and Experience
  • Strong programming skills, often in languages such as C#, Java, or Python
  • A proven track record of working on complex software projects and ensuring high-quality deliverables
  • Experience in both manual and automated testing
  • Experience with Agile/Scrum methodologies and understanding of the Software Development Life Cycle (SDLC)
  • Proficiency in writing and executing test cases, test scripts, and test plans
  • Strong knowledge of test automation frameworks and tools (e.g., Selenium, TestNG, JUnit, QTP, LoadRunner)
  • Experience with continuous integration/continuous deployment (CI/CD) tools (e.g., GitHub Actions)
  • Familiarity with version control systems (e.g. Git and Subversion)
  • An understanding of performance testing and tools (e.g., JMeter and Gatling)
  • Experience with defect tracking and management tools (e.g. JIRA and Bugzilla)
  • Knowledge of database and SQL for validating stored data
  • Experience in testing web applications, Application Programming Interfaces (APIs), and services
  • An understanding of security testing practices and tools
  • Experience with different types of testing, including functional, regression, integration, system, usability, and User Acceptance Testing (UAT)
  • Excellent analytical and problem-solving skills
  • Strong communication and collaboration abilities
  • An ability to work independently and as part of a team
  • An attention to detail and commitment to delivering high-quality work
  • An ability to prioritize multiple tasks and meet deadlines
  • An ability to mentor and guide junior testers
  • An ability to understand business requirements and translate them into effective test scenarios
  • Experience with test management tools
  • Knowledge of DevOps practices and tools
  • An ability to conduct test reviews and provide constructive feedback
  • A strong understanding of risk-based testing, exploratory testing, and context-driven testing
Professional CertificationsAdvanced certifications in testing or quality assurance (e.g., International Software Testing Qualifications Board (ISTQB), Certified Software Testing Engineer (CSTE), Certified Software Quality Analyst (CSQA))Years of Professional Experience10 or more years of total work experience
10 or more years of experience in software testing and quality assuranceDesired experienceElectronic Data Interchange X.12 (EDI) and Medical Claims (837, 834, 277, etc.)
A familiarity with cloud-based testing platforms (e.g., Amazon Web Services (AWS) and Azure)Formal EducationBachelor's Degree in Computer Science, Information Technology, Engineering, or a related field and 10 or more years of experience.Citizenship RequirementU.S. Citizenship required for this specific opportunitySecurity Clearance RequirementsMust possess or qualify for a Public Trust (MBI)CRITICAL NOTES:
  1. SSG will not make assumptions regarding your qualifications. Your answers to the mandatory screening questions must be supported by the information on your resume. Applications with inconsistencies will not be considered.
  2. Recruiters or Third parties will not be considered.
  3. This is a 100% U.S. based remote position. However, candidates from CA, CO, IL, MN, NJ, NY, OR, or WA will not be considered.
  4. This is a W2 position.
  5. All interviews will be conducted on Microsoft Teams with your camera on; there will be no exceptions.
  6. As part of our screening process, you will be requested to provide a link to your LinkedIn profile.
  7. This position is contingent upon receiving project funding.

U.S Citizenship is required for this specific opportunity. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information and be able to obtain a government-granted security clearance. Individuals may also be subject to a background investigation including, but not limited to criminal history, employment and education verification, drug testing, and creditworthiness.
Syms Strategic Group, LLC is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, marital status, disability, veteran status, sexual orientation, or genetic information.

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