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Volunteer Java Jobs in Massachusetts (NOW HIRING)

Java Development * JavaScript Development * MATLAB * Object Oriented Software Design and ... volunteer work * 1 week of paid maternity/paternity LOA after 1 year of Full-time employment ...

Java Development * JavaScript Development * MATLAB * Object Oriented Software Design and ... volunteer work * 1 week of paid maternity/paternity LOA after 1 year of Full-time employment ...

Build and maintain scalable web applications using Java, Python, and front-end frameworks like ... volunteer work * 1 week of paid maternity/paternity LOA after 1 year of Full-time employment ...

Software Engineer

Tewksbury, MA · On-site

$98 - $102/hr

Experience with C++, C, and/or Java. Secret clearance required Senior Software Engineers to join ... plan; voluntary life/short term disability/whole life/term life/accident and critical illness ...

Showing results 21-40

Volunteer Java information

What are the key skills and qualifications needed to thrive in the Volunteer Java position, and why are they important?

To thrive as a Volunteer Java developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development practices, often demonstrated through coursework, self-study, or project experience. Familiarity with systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and participation in code collaboration platforms like GitHub is advantageous. Excellent communication, teamwork, and time management skills help you contribute effectively to projects and adapt to a volunteer-driven workflow. These skills are crucial for delivering high-quality code, collaborating within diverse teams, and ensuring the success of community-driven or non-profit software initiatives.

What kind of projects might I work on as a Volunteer Java developer?

As a Volunteer Java developer, you'll typically work on software projects that support non-profit organizations, educational programs, or open-source initiatives. Projects might include building and maintaining web applications, automating processes for nonprofits, or contributing to digital tools used by community groups. You may collaborate with other volunteers, designers, and project managers in a remote or hybrid team environment. This experience offers the chance to strengthen your technical skills, expand your professional network, and make a positive impact while learning to navigate real-world software development challenges.

What is a Volunteer Java?

A Volunteer Java job is an unpaid role where individuals contribute their Java programming skills to support a project, organization, or community initiative. Volunteers may help with coding, debugging, testing, or improving software applications. These roles are typically found in non-profits, open-source projects, or educational initiatives. It’s a great opportunity to gain hands-on experience, expand your portfolio, and contribute to meaningful projects while improving Java skills.

What are the most commonly searched types of Java jobs in Massachusetts? The most popular types of Java jobs in Massachusetts are:
Infographic showing various Volunteer Java job openings in Massachusetts as of August 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Hybrid job distribution.

Software Engineer

Aquila Technology

Lexington, MA

Full-time

Retirement, PTO

Re-posted 6 days ago


Job description

Software Engineer

Clearance Level: Must have an Active Secret Clearance to be considered - US Citizenship is a requirement to apply

Location: Must live within 100 miles of Lexington, MA to be considered

At Aquila Technology, you will see our team's passion every day, whether we are building a robust, policy-compliant IT system or stress-testing a system to identify gaps and security vulnerabilities. To own the advantage, we ensure our team owns results and gets the work done right the first time by deploying smart, purposeful solutions that work. Aquila is the right people with the right skills driving the right outcomes. We call this the Aquila Advantage.

About the Role:

Aquila Technology is seeking a Software Engineer to join its team in support of one of the nation's premier defense research organizations.The Software Engineer will have the opportunity to work as part of a high-performing team responsible for defining, implementing, demonstrating, and validating modern, flexible software architectures that support adaptive processing, tracking, estimation, classification, communications, image processing, machine learning, artificial intelligence (AI), and human-machine interface (HMI) capabilities. Strong communication and interpersonal skills are essential and highly valued, as this role requires effective collaboration within multidisciplinary engineering teams.

Must Have:

  • Bachelor's
  • 5 years Software/Algorithm Development
  • 5 years Software Documentation
  • 2 years Backend Programming (SQL)
  • 5 years GIT/GITHUB
  • 1 years IDE to Java
  • 5 years Python
  • 5 years Software Design/Development
  • 2 years XML and SQL
  • 5 years Maven or Gradle, Git / Gitlab, Make / Autotools
  • 5 years Hardware and Software Integration
  • 5 years Linux Environment
  • 5 years Linux OS and scripting
  • 5 years Windows OS

Nice to Have:

  • AI / Machine Learning Algorithm Development
  • C/C++ Programming
  • Developing in C#
  • GUI Development
  • Java/J2EE/JEE (JSP, SERVLETS, JDBC, JSTL, SOAP) Development
  • Java Development
  • JavaScript Development
  • MATLAB
  • Object Oriented Software Design and Development

Required Skills:

  • At least five years of software development experience group will consider more senior candidates for this role as well
  • Substantial experience developing in Python
  • Developing, debugging, scripting, and executing software in both Linux and Windows environments
  • Proficiency in parallel processing, multithreaded programming, thread safety, and thread synchronization
  • Excellent oral and written communication skills, the ability to work well on a team and individually, and set priorities

Preferred Skills:

  • Experience with algorithm optimization for real time systems
  • Experience developing in Java, C# or C++, MATLAB
  • Experience with GUI development (Qt or GTK+)
  • Experience with IDEs (Eclipse or Visual Studio)
  • Experience with containerization techniques
  • Experience with artificial intelligence and machine learning
  • Knowledge of object-oriented programming
  • Understanding of networking architectures and protocols
  • Understanding of advanced linear algebra concepts

Benefits and Perks:
Aquila team members experience the opportunity to be part of a fast-paced, customer-focused, and technically innovative work environment. Aquila strives to deliver the best of the best in technical services to our customers. Candidates that possess a love for technical challenges, a desire to constantly learn, and the desire to establish themselves as critical players within a team will enjoy calling Aquila Technology home.
Our Perks Include:
PTO - 15 days (vacation/sick) 10 paid holidays - 6 standard (New Year's, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas) - 4 floating holidays prorated based on your day of hire:

  • 1.5 paid days, or 12 hours, for approved volunteer work
  • 1 week of paid maternity/paternity LOA after 1 year of Full-time employment

Tuition & Training Reimbursement- 5K annually for pre-approved, Eligible full-time team members who have completed a minimum ofsix (6) months of employment may apply for tuition reimbursement for approved, job-related courses taken through an accredited college or university. Team members must achieve a grade of “B” or better to qualify for reimbursement.Aquila will reimburse up to $5,000 per fiscal year for tuition expenses only. Expenses related to training programs, certifications, books, materials, meals, transportation, or other non-tuition costs are not eligible under the Tuition Reimbursement Program. All tuition reimbursement requests must be submitted to and approved by the team member's Manager prior to course registration. Reimbursement will be issued upon successful course completion and submission of final grades and proof of payment.

401K with Fidelity - Eligible to participate following 90 days of employment. Company match on employee contribution:

  • $1/$1 up to 3%, then .50 cents / $1 for 4th and 5th %s
  • Fully vested from day one
  • Company match does not apply to catch-up contribution

Cell Phone & Internet Reimbursed up to $150 monthly to cover cell phone, data, and home internet expenses. Aquila Technology will reimburse team members who work from home ONLY for cell phone/mobile device fees for work-related communications and/or operations each month. Employees eligible for this benefit must work remote 2 days a week or more to qualify.

Buy Your Own Device (BYOD) - Team members are eligible for reimbursement of up to $1,500 every three (3) years for the purchase of electronic equipment used to access corporate services. To qualify for this benefit, employees must have completed a minimum of six (6) months of employment and must agree to and sign the Device Minimum Configuration Form prior to reimbursement. Electronic devices eligible under the Buy Your Own Device (BYOD) program are limited to cell phones, laptops, and tablets.

Clearance Level: Secret Clearance or above is preferred.
Work Location: Onsite. Candidates should expect to work onsite an average of four days per week, with up to one work-from-home day each week
Interview process: Initial interview with team member, followed by an onsite interview with the team. The team will consider relocation candidates and will accommodate a Zoom.

We are an Equal Opportunity Employer