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Open Source Software Developer Jobs in New York (NOW HIRING)

OSTP Software Developer

New York, NY · On-site

$75K - $85K/yr

Kitware's Open Source Software Technology Program (OSTP) seeks to recruit hard-working, talented, and curious new graduates with Computer Science and Computer Engineering bachelor's degrees to work ...

Research Engineer

New York, NY · On-site

$85K - $150K/yr

The Department of Computer Science & Engineering (CSE) at NYU Tandon School of Engineering is looking for a full time Research Engineer to work on open source software in the Secure Systems ...

We also believe in the value of open source software, using it in our daily work and releasing over a million lines of our own code as open source. About You * Top-notch programming skills * Deep ...

We also believe in the value of open source software, using it in our daily work and releasing over a million lines of our own code as open source. About You * Top-notch programming skills * Deep ...

Beyond our own environment, we also recognize the value of open source software, leveraging it in ... That said, we're interested in talented engineers with experience in any language-most of us came ...

Beyond our own environment, we also recognize the value of open source software, leveraging it in ... That said, we're interested in talented engineers with experience in any language-most of us came ...

Whirl-i-Gig is a Brooklyn, NY-based company that develops CollectiveAccess ( open source software ... Whirl-i-Gig seeks to add a creative and experimental software developer to our team of experienced ...

Whirl-i-Gig is a Brooklyn, NY-based company that develops CollectiveAccess ( open source software ... Whirl-i-Gig seeks to add a creative and experimental software developer to our team of experienced ...

CMake Engineer

New York, NY · On-site

$85K - $110K/yr

Interest and experience in open source software development * Proficient programming in another ... language in addition to C++ $85,000 - $110,000 a year Company Description: Kitware is a research ...

Enthusiasm for developer tools, cloud native technologies, and open source software Benefits * Competitive salary with meaningful equity * Health, dental, vision, 401(k) * Join a fast-growing pre ...

Senior Hypervisor Engineer

Jersey City, NJ · On-site

$109K - $149K/yr

Detail : • 10 + Years of hands -on experience in open-source software development with a focus on ... Engineers with infrastructure knowledge and who can write and understand software codes • Work ...

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Open Source Software Developer information

See New York salary details

$52.5K

$122.4K

$181.6K

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

As of Jun 22, 2026, the average yearly pay for open source software developer in New York is $122,362.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,500.00 and $142,200.00 per year, depending on experience, location, and employer.

What are Open Source Software Developers?

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.

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.

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 cities in New York are hiring for Open Source Software Developer jobs? Cities in New York with the most Open Source Software Developer job openings:
OSTP Software Developer

OSTP Software Developer

Kitware

New York, NY • On-site

$75K - $85K/yr

Full-time

Medical, Vision, Life, Retirement, PTO

Posted 19 days ago


Job description

Team Description:
Kitware's Open Source Software Technology Program (OSTP) seeks to recruit hard-working, talented, and curious new graduates with Computer Science and Computer Engineering bachelor's degrees to work on exciting open-source projects at Kitware while earning a master's degree in Computer Science. The OSTP is a three-year program in which members will work on a variety of projects, learn open-source processes, and build technical leadership skills while completing the master's degree.
About the Projects:
The program allows bachelor-level graduates to gain valuable real-world expertise in open-source software development and earn a master's degree while earning a competitive salary. Members of the OSTP will learn to develop innovative open-source software platforms with global impact in the areas of computer vision, scientific computing, data and analytics, medical computing, and software solutions. The OSTP requires both work and study over the three-year program period; program members must work 32 hours per week onsite at our Clifton Park, NY office during college semesters and approximately 40 hours per week on-site during summers. Subject to our tuition reimbursement payback requirements, Kitware will reimburse 100% of educational expenses for the master's degree (including tuition, books, equipment, fees, and supplies).
This position is only available at our Clifton Park, NY location. Employment Visa sponsorship is not offered for this position.
In This Position You Will:
  • Gain a deep understanding of what it takes to create and maintain powerful open-source software platforms
  • Learn the technical and business knowledge to become leaders at Kitware
  • Be taught the fundamentals of project leadership skills and learn how to acquire funding to develop open source platforms
  • Gain a Master's degree

Required Qualifications:
  • Completing a bachelor's degree in computer science or computer engineering in Spring 2026. (December 2025 graduates will also be considered.)
  • Demonstrable programming experience from undergraduate projects or internships
  • Programming experience in C++ and Python
  • Strong communication skills
  • Due to contractual requirements, this position requires US Citizenship and a willingness and ability to obtain and maintain a security clearance
  • Full-time on-site work at Kitware's office in Clifton Park, NY

Preferred Qualifications:
  • Existing experience with open source software development is a plus

$75,000 - $85,000 a year
Company Description:
Kitware is a research and development software solutions provider with a mission to advance science, make a positive impact, and share our results all within a collaborative, employee-focused work environment that is friendly, fair, and flexible. Our work is improving healthcare outcomes, increasing national security, and advancing our national computing infrastructure. Our customers and collaborators include top universities from around the world, government organizations, national research labs, medical device manufacturers, car manufacturers, financial institutions, and many others.
Kitware is proud to be 100% employee-owned, and Great Place to Work-Certified™.
Additional Information:
Our team members enjoy a small company environment, flexibility in work assignments, and high levels of independence and responsibility. Besides a great work environment, our comprehensive benefits package includes a competitive compensation plan, tuition reimbursement program, flexible working hours, six weeks paid time off, 401(k), health insurance, life insurance, short- and long-term disability insurance, bonus plan, and free coffee, drinks, and snacks.
For more information on our benefit offerings please visit: https://www.kitware.com/careers/.
Kitware actively subscribes to a policy of equal employment opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, age, protected veteran status, uniformed service member status, or any other characteristics protected by applicable law.
Any unsolicited resume sent to Kitware, including to Kitware's mailing addresses, fax machines or email addresses, whether directly to Kitware employees or to Kitware's applicant tracking system, will be considered Kitware property. Kitware will not pay a fee for any placement resulting from the receipt of an unsolicited resume, and will consider any candidate submitted by a recruitment agency without a fully executed contract with Kitware to have been referred free of any charges or fees.
If you need assistance with applying or interviewing for a role due to a disability or special need, please reach out directly to our HR team at [email protected] at any time during the hiring process.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.