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Open Source Software Developer Jobs in Massachusetts

STR

Senior Software Engineer

Woburn, MA · On-site

$130K - $172K/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 ...

STR

Lead Software Engineer

Woburn, MA · On-site

... open-source software • Deep understanding of networking principles, including the 5-layer OSI ... Engineering, Applied Mathematics, or a related field, with at least 7 years of relevant experience ...

STR

Lead Software Engineer

Woburn, MA · On-site

... open-source software • Deep understanding of networking principles, including the 5-layer OSI ... Engineering, Applied Mathematics, or a related field, with at least 7 years of relevant experience ...

LanceSoft, Inc.

Software Developer

Lexington, MA · On-site

They are seeking a Software Developer to develop application software, implement efficient code ... and/or open-source routers Preferred : • Network performance data collection and analysis ...

MIT Human Resources

Program Engineer 1

Cambridge, MA · On-site

... are partners; drive open-source software efforts; contribute to grant proposals, academic papers, and reports; and ensure seamless integration of AI technologies in diagnostics, treatment ...

STR

Senior Software Engineer

Woburn, MA · On-site

$134K - $184K/yr

STR is hiring experienced Senior Software Engineers to join our multidisciplinary cyber/networking ... Significant hands-on experience developing software with GNU/Linux toolchains using open-source ...

STR

Lead Software Engineer

Woburn, MA · On-site

$157K - $224K/yr

STR is hiring experienced Lead Software Engineers to join our multidisciplinary cyber/networking ... Significant hands-on experience developing software with GNU/Linux toolchains using open-source ...

Sick AG

Software Engineer II

Canton, MA · On-site

$103K - $141K/yr

The Software Engineer II plays a key role in designing, developing, testing, and supporting ... Ability to evaluate, integrate, and optimize third-party or open-source software components.

SupportFinity™

Software Developer 2026 ELH

Boston, MA · On-site

$80 - $100/hr

Role and Responsibilities We are looking for early-career Software Developers to join our product ... Personal or open-source projects that demonstrate creativity and initiative. * Understanding of ...

STR

Senior Software Engineer

Woburn, MA · On-site

$134K - $184K/yr

STR is hiring experienced Senior Software Engineers to join our multidisciplinary cyber/networking ... Significant hands-on experience developing software with GNU/Linux toolchains using open-source ...

STR

Lead Software Engineer

Woburn, MA · On-site

$157K - $224K/yr

STR is hiring experienced Lead Software Engineers to join our multidisciplinary cyber/networking ... Significant hands-on experience developing software with GNU/Linux toolchains using open-source ...

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Showing results 21-40

All JobsOpen Source Software Developer JobsOpen Source Software Developer Jobs in Massachusetts

Open Source Software Developer information

See Massachusetts salary details

$52.4K

$122.1K

$181.3K

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 Massachusetts is $122,149.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,300.00 and $142,000.00 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 in Massachusetts are hiring for Open Source Software Developer jobs?

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

Open Source Software Developer jobs near you

Front End Software Engineer Graduate Co-op

Cambridge, MA

MORSE Corp Co-op Opportunities
See more jobs at MORSE Corp Co-op Opportunitiesexternal

Full-time

Posted 15 days ago

Job description

MORSE Corp is seeking Front End Software Engineer Co-ops to develop software applications and user interfaces to enable the warfighter to plan and execute missions, assess data, and evaluate AI/ML capabilities. Candidate should be a highly motivated self-starter with good communication skills and should be able to work in an iterative and agile development style. If you are passionate about building software for human users, solving user pain, and making impact this is a great fit!


RESPONSIBILITIES:

  • Assisting in the development of custom software packages, full stack applications/tools, and user interfaces for a variety of DoD customers

  • Develop web applications in ReactJS

  • Write extensible React components

  • Take ownership of feature design, development, and testing

  • Collaborate with cross-functional teams of designers and developers to define, design, and ship new features

  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency

  • Participate in code reviews, providing good feedback on code you review, as well as being receptive to feedback on your code

  • Working with and integrating the latest open-source software tools & algorithms to solve novel and challenging problems


REQUIREMENTS:

  • US Citizenship required and ability to obtain a US Security Clearance.

  • Working towards a MS degree in Computer Science, HCI, UI/UX Engineering. or related subject 

  • Working knowledge of the general software application development architectures, trends, and emerging technologies

  • Experience with ReactJS

  • Experience with Python is nice to have

  • Solid understanding of version control systems (we use Git)

  • Good communication skills and the ability to have fun when working 

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