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Open Source Software Developer Jobs in Los Angeles, CA

Divergent

Senior Software Engineer, Robotics

Torrance, CA · On-site

$127K - $168K/yr

Purpose We are seeking a talented and motivated Software Developer to join our Robotics & AI ... Experience with open source robotic planning and manipulation software packages such as MoveIt and ...

PSG Global Solutions

Java Tools Engineer

Burbank, CA · On-site

$55.25 - $76/hr

Solutions can consist of Disney and ABC proprietary software and services, commercial software, services as well as open source software. The Platform Engineering team is responsible for planning and ...

CesiumAstro

Staff Embedded Software Engineer

El Segundo, CA · On-site

$140K - $168K/yr

Assess third party and open source software. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS * Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or ...

CesiumAstro

Staff Embedded Software Engineer

El Segundo, CA · On-site

$140K - $168K/yr

Assess third party and open source software. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS * Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or ...

CesiumAstro

Staff Embedded Software Engineer

El Segundo, CA · On-site

$140K - $168K/yr

Assess third party and open source software. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS * Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or ...

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Showing results 21-40

All JobsOpen Source Software Developer JobsOpen Source Software Developer Jobs in Los Angeles, CA

Open Source Software Developer information

See Los Angeles, CA salary details

$51.7K

$120.5K

$178.9K

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 Los Angeles, CA is $120,514.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,000.00 and $140,100.00 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.

What cities near Los Angeles, CA are hiring for Open Source Software Developer jobs?

Cities near Los Angeles, CA with the most Open Source Software Developer job openings:

Open Source Software Developer jobs near you

Back End Web Developer

Los Angeles, CA • On-site

West Advanced Technologies (WATI)
Computer and Electronic Product Manufacturing • 1 - 10 employees
Learn more about West Advanced Technologies (WATI)external

Contractor

Re-posted 8 days ago

Key responsibilities

  • Develop and deploy back end web applications using open-source programming languages and frameworks.

  • Create and consume web-based RESTful APIs and develop relational and non-relational database systems.

  • Author developer documentation, perform testing, and work with open source solutions to ensure scalable and secure web applications.

Job description

Job Title: Back End Web Developer
Location: Los Angeles, CA, 90012
Duration: 12 Months
Position Description A Back End Web Developer uses modern, open source software to prototype and deploy back end web applications, including all aspects of server-side processing, data storage, and integration with front end development. The Back End Web Developer will perform web development using open-source web programming languages (e.g., Ruby, Python) and frameworks (e.g., Django, Rails); develop and consume web-based, RESTful APIs; work in team environments that use various methodologies (e.g., Scrum, Lean); author developer-friendly documentation (e.g., API documentation, deployment operations); test-driven development techniques; use version control systems (e.g., Git and GitHub); research and learn new programming tools and techniques; develop relational and non-relational database systems; develop scalable search technology (e.g. ElasticSearch, Solr) to handle large data sets and scaling their handling and storage; work with open source solutions and community; and communicate technical concepts to a non-technical audience.
Skills Required
Back End Web Developers will possess knowledge and experience in ability to translate technical work into user-friendly visuals; working on the back-end coding while staying plugged into emerging technologies and trends to ensure that the website is current and well maintained at all times; have a solid understanding of how web applications work including security, session management, and best development practices; programming skills HTML/CSS, security knowledge, and session management; and knowledge in one of the following programming languages: PHP, ASP.NET, JavaScript, or Ruby on Rails.
Skills Preferred
- Codes, tests, and debug new and existing business applications with .Net, Visual Studio and open-source tools
- Expertise in full-stack development
- Strong knowledge in SQL Server 2012 or later.
- Strong coding skill in SQL and creating stored procedures.
- Familiarity with Cloud Based Architecture; Azure preferred
- Familiarity with data communication with other Microsoft platform, like power app or Dynamics 365
- Excellent communication, problem solving, organizational skills.
- Ability to develops work plans and technical documents covering system architecture, conversion, integration, testing, and implementation for a system or complex enhancement to a system.
- Ability to oversee development and provide recommendation and status to management.
- Ability to develop functional requirements.
- Ability to effectively interact with customers, supervisors, and managers.
- Ability to work independently and as part of a team.
Experience Required This classification must have a minimum of four (4) years of experience in back end web applications, open-source web programming languages and frameworks, emerging technologies and trends, and best development practices.
Experience Preferred
- 3+ years of experience building, coding, testing, and debugging ASP.NET applications using C# and Visual Studio.
- 3+ years of experience with API/REST architecture
- 3+ years of experience using Azure DevOps for team collaboration and version control.
- 3+ years of experience in SQL Server 2012 or later creating Stored Procedures, using Reporting Services, and creating Integration Services packages.
- 1+ year experience in PowerApps/PowerAutomate
- 1+ year experience in Azure DevOps and GitHub.
Education Required This classification requires the possession of a bachelor's degree in an IT-related or Engineering field. Additional qualifying experience may be substituted for the required education on a year-for-year basis.
Regards
Rajeev Gaddam
West Advanced Technologies, Inc
E: rajeev.g@wati.com D: 916 318 7021
Serving government agencies for 22 Years
www.wati.com

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