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Open Source Software Developer Jobs in Washington

Leidos

Open-Source Intelligence Targeter

Mclean, VA · On-site

$73K - $132K/yr

... Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling ... Job Summary: The Open-Source Intelligence Targeter will be responsible for identifying ...

Fuse Engineering LLC

Software Engineer

Annapolis, MD · On-site

The Software Engineer designs, develops, tests, deploys, documents, maintains, and enhances complex ... Open Source Software (OSS) and/or Commercial Off-The-Shelf (COTS) Government Off-The-Shelf (GOTS ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Must have proficiency with at least one open-source programming languages (e.g. Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software source control and ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Must have proficiency with at least one open-source programming languages (e.g. Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software source control and ...

Leidos

Open-Source Intelligence Targeter

Mclean, VA · On-site

$73K - $132K/yr

... Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling ... Job Summary: The Open-Source Intelligence Targeter will be responsible for identifying ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Must have proficiency with at least one open-source programming languages (e.g. Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software source control and ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Must have proficiency with at least one open-source programming languages (e.g. Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software source control and ...

Gormat

System Engineer 2

Annapolis Junction, MD · On-site

$140K - $155K/yr

Open-source software (OSS)Foreign-developed software componentsUnsupported or end-of-life ... Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science ...

Apogee Integration, Llc

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Must have proficiency with at least one open-source programming languages (e.g. Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software source control and ...

STR

Senior Software Engineer

Arlington, VA · On-site

$141K - $186K/yr

... open-source software • Deep understanding of networking principles, including the 5-layer OSI ... Engineering, Applied Mathematics, or a related field, with at least 5 years of relevant experience ...

ManTech

Open Source Intelligence Analyst

Sterling, VA · On-site

... and Software Development. Elevate your career and make a difference. Your adventure begins now ... MANTECH seeks a motivated, career- and customer-oriented SME Open-Source Intel Analyst to join our ...

STR

Senior Software Engineer

Arlington, VA · On-site

$141K - $186K/yr

... open-source software • Deep understanding of networking principles, including the 5-layer OSI ... Engineering, Applied Mathematics, or a related field, with at least 5 years of relevant experience ...

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Open Source Software Developer information

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.

What cities in Washington are hiring for Open Source Software Developer jobs?

Cities in Washington with the most Open Source Software Developer job openings:

Open Source Software Developer jobs near you

Software Engineer 1 - (Python, UI/UX, LLM)

Annapolis, MD • On-site

Akina, Inc.
See more jobs at Akina, Inc.external

$169K - $207K/yr

Full-time

Retirement, PTO

Posted 18 days ago

Job description

Software Engineer 1 - (Python, UI/UX, LLM)
Clearance: TS/SCI - Polygraph required
Position ID: 20-24-023-SWE1
Location: Annapolis Junction, Maryland
Description:
Join us in building the next generation of AI infrastructure that will power innovation across the customer organization. We're seeking a software engineer to support our AI infrastructure team. In this role, you'll help build and maintain the foundation for customer AI capabilities, while supporting a broader ecosystem of AI-enabled applications. Your focus will be developing and maintaining high-quality tools and applications that let the customer base use AI seamlessly and efficiently. Requirements shift quickly as mission needs adapt and new technology develops, so you'll need to continue to grow and hone your skills and learn to turn loosely defined problems into solutions.
  • Develop high-quality AI tools and applications for the workforce to use
  • Ensure high availability, reliability, performance, and security of AI tools.
  • Modify FOSS (Free and Open-Source Software) to accommodate the customer's use cases.
  • Regularly engage with customers, conducting requirements elicitation and developing solutions to address their needs.
  • Maintain existing customer-facing infrastructure and applications, ensuring reliable services.

Position Required Skills:
  • Familiarity with UI/UX principles.
  • Knowledge of and experience with using LLMs as a part of a code solution workflow
  • Ability to learn new technologies quickly.
  • Strong communication skills and willingness to ask questions.
  • Proficiency with Python or another Object-Oriented Programming language.

Nice to Haves
  • Experience with LLM UI Open-Source software such as OpenWebUI
  • Familiarity with AWS or other cloud service providers
  • Experience with Kubernetes/Helm
  • Familiarity with Argo CD and/or other CI/CD frameworks
  • Experience supporting production software using Site Reliability Engineering (SRE) best practices.
  • Experience with Docker and containerization.

SWE1 Qualifications:
A minimum of three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four ( 4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree.
Salary Range: $169k-$207k (Annually)
The range displayed above is a likely salary range for this position. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possible contractual requirements and could fall outside of this range.
Akina is a Woman Owned, Service Disabled, Veteran Owned, Small Business, looking for talented and ambitious individuals to join our team. We offer a generous compensation package that includes 24 days PTO accrued annually and 11 federal holidays. Our 401k is 100% vested on your start date and the company makes a direct contribution worth 10% of your salary. Akina covers 100% of healthcare costs for employees and 50% toward dependents. We offer educational assistance towards college classes and will cover costs associated with job related training and certifications.
Akina is committed to excellence and creating innovative and flexible solutions for our clients. We are a small company with an open ear to our employees' needs in order to attract and retain quality talent that enables our customer's mission.
We are an equal employment opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
www.akina-inc.com/careers

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