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Java Developer Volunteer Jobs in New York (NOW HIRING)

Genesis10

Java Developer

Jersey City, NJ · On-site

$63.68 - $71.68/hr

Genesis10 is currently seeking a Java Developer for a contract position with a Global Financial ... Voluntary Hospital Indemnity (Critical Illness & Accident) * Voluntary Term Life Insurance * 401K

Trinity Technology Solutions

Java Developer

Stamford, CT · On-site

$54.50 - $70.25/hr

We are seeking a self-driven, self-motivated & self-managed software developer with expertise in ... Corporate events, including team outings, dinners, volunteer activities, and company sports teams

FreshDirect

Full Stack Java Developer

Bronx, NY

$54.75 - $70.75/hr

FreshDirect - Full Stack Java Developer (Based out of NY/NJ office) About Us At FreshDirect, we are ... Dental, and Voluntary Disability coverage 401(k) with employer match and Life Insurance ...

FreshDirect

Full Stack Java Developer

Bronx, NY · On-site

$54.75 - $70.75/hr

Description FreshDirect - Full Stack Java Developer (Based out of NY/NJ office) About Us At ... Voluntary Disability coverage • 401(k) with employer match and Life Insurance • ...

FreshDirect

Sr. Java Backend Developer

Woodbridge, NJ

$130K - $155K/yr

What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale ... Medical, Dental, Vision, Life Insurance , and voluntary Disability coverage. * 401(k) with employer ...

FreshDirect

Sr. Java Backend Developer

Woodbridge, NJ · On-site

$130K - $155K/yr

What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale ... Medical, Dental, Vision, Life Insurance , and voluntary Disability coverage. * 401(k) with employer ...

Eliassen Group

Senior Java Engineer

Jersey City, NJ

$80 - $90/hr

Experience with AI developer assist tools such as GitHub Copilot. * Experience with CI/CD tools ... voluntary benefits including life and disability insurance, 401(k) with match, and sick time if ...

Eliassen Group

Senior Java Engineer

Jersey City, NJ · Remote

$80 - $90/hr

Experience with AI developer assist tools such as GitHub Copilot. * Experience with CI/CD tools ... voluntary benefits including life and disability insurance, 401(k) with match, and sick time if ...

Interactive Brokers

Senior Software Engineer

Greenwich, CT · Hybrid

$137K - $181K/yr

Proven experience as a Java Developer with expertise in Java, Spring, Vert.x * Proficiency in using ... Corporate events, including team outings, dinners, volunteer activities and company sports teams

Interactive Brokers

Senior Software Engineer

Old Greenwich, CT · Hybrid

$129K - $171K/yr

Proven experience as a Java Developer with expertise in Java, Spring, Vert.x * Proficiency in using ... Corporate events, including team outings, dinners, volunteer activities and company sports teams

Interactive Brokers

Senior Software Engineer

Greenwich, CT · Hybrid

$137K - $181K/yr

Proven experience as a Java Developer with expertise in Java, Spring, Vert.x * Proficiency in using ... Corporate events, including team outings, dinners, volunteer activities and company sports teams

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Java Developer Volunteer information

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How much do java developer volunteer jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for java developer volunteer in New York is $62.03, according to ZipRecruiter salary data. Most workers in this role earn between $53.65 and $69.42 per hour, depending on experience, location, and employer.

Is Java outdated in 2026?

Java remains a widely used programming language for Java Developer roles in 2026, with ongoing updates and a large ecosystem supporting enterprise applications, Android development, and backend systems. Its stability, performance, and extensive libraries ensure its continued relevance in the software industry.

Can volunteer work get you a job?

Volunteer work as a Java Developer can help build relevant skills, demonstrate commitment, and expand your professional network, which may improve your chances of securing a paid position. However, it does not guarantee a job and should be complemented with formal job applications and interviews.

Are Java programmers still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud environments can enhance job prospects in this field.

What types of projects or tasks can I expect to work on as a Java Developer Volunteer?

As a Java Developer Volunteer, you might work on a range of projects, such as developing new software features, fixing bugs, writing unit tests, or helping maintain existing Java applications for nonprofits or community organizations. You could also assist in documentation, code reviews, or collaborating on open-source initiatives, depending on the organization's needs. These roles often provide exposure to agile development practices and teamwork with other engineers, designers, and project managers. Volunteering in this capacity not only helps worthwhile causes but also allows you to expand your portfolio and gain practical experience with real-world applications.

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

To excel as a Java Developer Volunteer, you should have a solid grasp of Java programming, object-oriented design, and version control systems, often demonstrated through coursework, certifications, or hands-on project experience. Familiarity with tools like Eclipse or IntelliJ IDEA, build systems (Maven or Gradle), and collaborative platforms such as GitHub is commonly expected. Strong communication, teamwork, and a willingness to learn set exceptional volunteers apart. These skills and qualities ensure you can contribute effectively to projects, adapt to dynamic team needs, and make the most meaningful impact in volunteer settings.

How to hire Java developers quickly?

To hire Java developers quickly, define clear job requirements and use targeted job postings on popular platforms. Screen candidates efficiently by assessing their technical skills through coding tests or technical interviews, and consider leveraging developer communities or staffing agencies to expedite the process.

What is a Java Developer Volunteer job?

A Java Developer Volunteer role involves contributing to software development projects without financial compensation. Volunteers typically assist in coding, debugging, testing, and maintaining Java-based applications for nonprofits, open-source projects, or startups. This role helps developers gain experience, build portfolios, and support meaningful initiatives while collaborating with teams.

What are the most commonly searched types of Java Developer jobs in New York? The most popular types of Java Developer jobs in New York are:
What are popular job titles related to Java Developer Volunteer jobs in New York? For Java Developer Volunteer jobs in New York, the most frequently searched job titles are:
What job categories do people searching Java Developer Volunteer jobs in New York look for? The top searched job categories for Java Developer Volunteer jobs in New York are:
What cities in New York are hiring for Java Developer Volunteer jobs? Cities in New York with the most Java Developer Volunteer job openings:
Java Developer Volunteer jobs near you
Infographic showing various Java Developer Volunteer job openings in New York as of June 2026, with employment types broken down into 100% Full Time. Highlights an 60% In-person, 20% Hybrid, and 20% Remote job distribution, with an average salary of $129,021 per year, or $62 per hour.
Java Developer

Java Developer

Genesis10

Jersey City, NJ • On-site

$63.68 - $71.68/hr

Other

Medical, Dental, Vision, Life, Retirement

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Genesis10 is currently seeking a Java Developer for a contract position with a Global Financial Institution located in Charlotte, NC and Jersey City, NJ. This is a 12+ month contract opportunity.
This role will be responsible for hands-on application development to support the current and target process. The ideal candidate will partner with multiple technology teams to implement the target architecture and migration to a strategic platform.
Responsibilities:
  • Perform hands-on application development to support current and target processes
  • Partner with multiple Technology teams to implement the target architecture and migration to a strategic platform
  • Ingest and incorporate new sources of real-time, streaming, batch, and API-based data into the platform
  • Load and manage large data sets in Hadoop and compute complex logic in Spark platforms
  • Optimize data pipelines and queries for better performance and scalability

Requirements:
  • 9+ years of experience in end-to-end Java application development
  • Strong core Java skills including multi-threading, collections API, and JDBC
  • Experience with frameworks like Spring, Spring Boot, JPA, and Hibernate
  • Strong computer science fundamentals in design, data structures, and algorithms
  • Expertise in SQL and NoSQL databases, as well as data integration and transformation tools
  • Strong knowledge of big data technologies and frameworks such as Apache Hadoop, Apache Spark, Apache Kafka, Apache Hive, or Apache Flink
  • Knowledge of performance tuning data-intensive applications, performance profiling, and memory optimizations
  • Strong problem-solving abilities to identify and resolve complex data engineering issues
  • Leadership and mentoring skills
  • Excellent communication skills
  • BS/MS in Computer Science, Engineering, or any quantitative discipline

Desired skills:
  • Background in enterprise stress testing
  • Knowledge of risk (credit, operational, and market)
  • Knowledge of cloud computing or distributed computing
  • 5+ years of experience in Java UI technologies such as HTML5, Angular JS, Backbone JS, or Bootstrap
  • Experience with software development in an Agile environment

Pay range: $63.68 - $71.68 per hour
Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.
If you have the described qualifications and are interested in this exciting opportunity, please apply!
Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.
For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:
  • Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.
  • The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
  • Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
  • Behavioral Health Platform
  • Medical, Dental, Vision
  • Health Savings Account
  • Voluntary Hospital Indemnity (Critical Illness & Accident)
  • Voluntary Term Life Insurance
  • 401K
  • Sick Pay (for applicable states/municipalities)
  • Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.
Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
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About Genesis10

Sourced by ZipRecruiter

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

New York, NY, US

Year founded

1999

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