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Open Source Software Developer Jobs in Delaware (NOW HIRING)

Pantera Capital

Full Stack Engineer

Dover, DE · On-site

$125 - $150/hr

This role will have enormous ownership and impact over the shape of the software engineering team ... You have built a technically strong, independent project from scratch (e.g., an open-source project ...

Dellfor Technologies

senior java developer

Delaware City, DE

$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 ...

Ecclesiastes, Inc.

Software Engineer

Newark, DE · On-site

Software Engineer POSITION DUTIES: Design, develop, implement, validate and maintain software ... out source code maintenance and code versioning. Monitor and review existing software and ...

Danaher

Software Engineer Internships

Seaford, DE

By submitting your interest, you'll be among the first to know when internship opportunities open ... About Software Engineering Roles at Danaher Are you passionate about building real-world ...

Danaher

Software Engineer Internships

Newark, DE · On-site

By submitting your interest, you'll be among the first to know when internship opportunities open ... About Software Engineering Roles at Danaher Are you passionate about building real-world ...

Danaher

By submitting your interest, you'll be among the first to know when internship opportunities open ... About Software Engineering Roles at Danaher Are you passionate about building real-world ...

Danaher

Software Engineer Internships

Dover, DE

By submitting your interest, you'll be among the first to know when internship opportunities open ... About Software Engineering Roles at Danaher Are you passionate about building real-world ...

Danaher

Software Engineer Internships

Smyrna, DE

By submitting your interest, you'll be among the first to know when internship opportunities open ... About Software Engineering Roles at Danaher Are you passionate about building real-world ...

Danaher

Software Engineer Internships

Milford, DE

By submitting your interest, you'll be among the first to know when internship opportunities open ... About Software Engineering Roles at Danaher Are you passionate about building real-world ...

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Showing results 21-40

All JobsOpen Source Software Developer JobsOpen Source Software Developer Jobs in Delaware

Open Source Software Developer information

See Delaware salary details

$48K

$111.9K

$166.1K

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

As of Sep 8, 2026, the average yearly pay for open source software developer in Delaware is $111,941.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,100.00 and $130,100.00 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 in Delaware are hiring for Open Source Software Developer jobs?

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

Open Source Software Developer jobs near you

M-7/16 - 12765 - Adabas / Natural Software Developer - Remote

Dover, DE • On-site

FHR
11 - 50 employees
Learn more about FHRexternal

Other

Re-posted 24 days ago

Job description

** This position is a remote position. This work can be done remotely, connecting to a workstation located in the Dover Administration building. All work must be completed in the United States. **

Our direct client has an opening for a Adabas / Natural Software Developer Exp # 12765. This position is for 12+ months, with option of extension, and will be worked remote. All work must be completed in the United States.

If you are interested, please submit the following:

YOUR CURRENT RESUME

YOUR HOURLY RATE

Below is the job description – Resumes due ASAP –

Core Technical Skills

NATURAL Software Development minimum 5 years

ADABAS database development minimum 5 years

Description:

37.5 hours per week

Candidates should be proficient in the following skills: NATURAL Software Development, ADABAS database development, TSO, JCL, FTP, and Cobol as well as Microsoft Office (Outlook, Excel and Word). Should have experience preparing technical documentation and have good oral and written communication skills. SQL Server database experience desired.

The position will be involved in the analysis, design, implementation, and support of existing Motor Vehicle mainframe applications. Write code, revise and adapt existing code, troubleshoot and resolve defects. Maintain and support applications to keep them performing in accordance with technical and functional specifications. Perform system tests and debug programs according to results of system test and user acceptance test. Requirements include someone who is able to work independently as well as in a team environment, is creative and self-motivated with excellent communication and end-user skills.

This position will work with DTI personnel, DelDOT Office of Technology and Innovation co-workers, and DMV management and staff to understand and troubleshoot issues within the DMV systems. They will be expected to assess ideas and suggestions for system upgrades or improvements, evaluate and recommend development tools and software upgrades/enhancements, as well as provide effective on-site support as needed. This position may be asked to perform after hours corrective actions either remotely or on site. They will participate in product design reviews to verify that design meets quality standards and functional/technical requirements and will document all work for future reference. This includes end-user documentation and manuals as well as status updates to management and users.