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On Call Java Developer Volunteer Jobs (NOW HIRING)

Damco

: Senior Java Developer

Whippany, NJ

$58 - $73.75/hr

Senior Java Full‐Stack Developer We are seeking a Senior Java Full‐Stack Developer with 6-8 ... Troubleshoot production issues and participate in on-call rotations as required. Required Skills ...

HiresRight Inc

Senior Java Developer

Chicago, IL · Hybrid

$59 - $75.25/hr

Senior Java Developer Chicago, Illinois, United States About the Job Guided by a core purpose of ... Voluntary & AD&D) Paid Time Off (Vacation, Sick & Public Holidays) Parental Leave Short-Term ...

Siritech Solutions Corp

Senior Java Developer-W2

Austin, TX

$56.75 - $72.25/hr

Provide on-call support as needed Required Skills & Experience: 8+ years of Java Object-Oriented Programming (OOP) experience 8+ years of J2EE application development experience 8+ years of SQL and ...

Samprasoft

Java Developer

Cary, NC · Hybrid

$52 - $67.25/hr

Senior/Lead/Java Developer Location: Cary, NC (Hybrid) 2 days onsite in a week. Duration: Long-term ... When primary on-call respond to pages within 15min, and resolve or escalate issue as necessary

corpay

Senior Java Developer

Peachtree Corners, GA · On-site

$54.25 - $69/hr

How We Work As a Senior Java Developer , Corpay will set you up for success by providing ... Robust PTO offerings including major holidays, vacation, sick, personal, & volunteer time

Genius Road

Senior Java Developer #3196

Austin, TX · Hybrid

$56.75 - $72.25/hr

Sr. Java Developer Contract: 12 months renewable Location: Austin, Texas (Hybrid - 3 days onsite ... Participate in on-call support activities as required by operational needs Genius Road, LLC is ...

Kyyba

Java Developer with React

Phoenix, AZ

$50.75 - $65.50/hr

Java Developer With React Founded in 1998 and headquartered in Farmington Hills, MI, Kyyba has a ... Medical, dental, vision 401k Term life Voluntary life and disability insurance Optional Pre-paid ...

corpay

Senior Java Developer

Peachtree Corners, GA · On-site

$54.25 - $69/hr

How We Work As a Senior Java Developer , Corpay will set you up for success by providing ... Robust PTO offerings including major holidays, vacation, sick, personal, & volunteer time

Conduent, Inc.

Java Developer

GA · Remote

$96K - $120K/yr

Java Full Stack Developer We are seeking a Java Full Stack Developer with 7+ years of experience in ... voluntary dental and vision programs, life and disability insurance, a retirement savings plan ...

Genius Road

Senior Java Developer #3196

Austin, TX · Hybrid

$56.75 - $72.25/hr

Sr. Java Developer Contract: 12 months renewable Location: Austin, Texas (Hybrid - 3 days onsite ... Participate in on-call support activities as required by operational needs Genius Road, LLC is ...

Jobsbridge

Java Application Developer

Sunnyvale, CA

Provides required technical support, including release implementations, on-call and 24x7 supports ... Certification in applicable areas; such as JAVA Developer, DB2 Certification, Cognos Certification ...

Conduent, Inc.

Java Developer

GA · Remote

$80K - $104K/yr

Java Developer (Remote) Responsibilities: * This software engineering position entails designing ... voluntary dental and vision programs, life and disability insurance, a retirement savings plan ...

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

Atria Group LLC

Senior Java Developer

Pontiac, MI · On-site

$56.75 - $72.50/hr

Rotational on-call support is also required after a sufficient training period. The position is on ... Technical skills in the following areas: * 8+ years development in Java with databases like MySQL ...

Jobsbridge

Java Application Developer

San Francisco, CA · On-site

Provides required technical support, including release implementations, on-call and 24x7 supports ... Certification in applicable areas; such as JAVA Developer, DB2 Certification, Cognos Certification ...

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On Call Java Developer Volunteer information

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$56

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How much do on call java developer volunteer jobs pay per hour?

As of Jun 19, 2026, the average hourly pay for on call java developer volunteer in the United States is $56.70, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.46 per hour, depending on experience, location, and employer.

What is the difference between On Call Java Developer Volunteer vs Java Developer?

AspectOn Call Java Developer VolunteerJava Developer
CredentialsBasic Java knowledge, sometimes no formal certificationBachelor's in Computer Science or related, often certifications
Work EnvironmentVolunteer projects, non-profit or community-basedFull-time or part-time employment in corporate or tech firms
Employer & IndustryNon-profit organizations, open-source projectsTech companies, financial institutions, startups
Search & Comparison IntentUnderstanding volunteer opportunities vs paid rolesJob responsibilities, career growth, salary info

In summary, an On Call Java Developer Volunteer typically works on unpaid projects for non-profits or open-source initiatives, focusing on community service. In contrast, a Java Developer is a paid professional working in corporate environments with formal credentials and career progression. The main difference lies in compensation, work setting, and project scope.

What cities are hiring for On Call Java Developer Volunteer jobs? Cities with the most On Call Java Developer Volunteer job openings:
What are the most commonly searched types of Java Developer Volunteer jobs? The most popular types of Java Developer Volunteer jobs are:
On Call Java Developer Volunteer jobs near you

: Senior Java Developer

Damco

Whippany, NJ

$58 - $73.75/hr

Other

Posted yesterday

Job description

Senior Java Full‐Stack Developer

We are seeking a Senior Java Full‐Stack Developer with 6–8 years of hands-on experience building scalable, high‐performance applications. This role requires strong backend expertise in Java/Spring Boot, solid front‐end experience using React or Angular, and the ability to work in a fast‐paced, collaborative environment within financial services.

Key Responsibilities Backend Development
  • Design, develop, and maintain Java/Spring Boot microservices and distributed systems.
  • Implement RESTful APIs, business logic, data access layers, and asynchronous workflows.
  • Write secure, optimized, and maintainable code following industry best practices.
  • Create integration points across internal and external systems.
  • Develop reusable components and participate in architecture discussions.
Frontend Development
  • Build UI features using React (preferred) or Angular with TypeScript.
  • Collaborate with UX teams to implement intuitive, responsive interfaces.
  • Ensure UI performance optimization, state management, and API integration.
Database & Cloud
  • Work with Oracle/SQL Server/PostgreSQL to design and optimize complex queries.
  • Deploy, monitor, and maintain applications in AWS/Azure/GCP environments (based on client setup).
  • Implement CI/CD workflows using Jenkins, GitHub Actions, or Azure DevOps.
Agile Delivery & Collaboration
  • Participate in sprint planning, backlog grooming, daily standups, and retrospectives.
  • Work closely with architects, QA engineers, product owners, and cross-functional teams.
  • Review code, mentor junior developers, and enforce engineering standards.
Quality & Security
  • Write extensive unit, integration, and functional tests (JUnit, Mockito, Jest).
  • Ensure code security, resiliency, and compliance with enterprise standards.
  • Troubleshoot production issues and participate in on-call rotations as required.
Required Skills & Experience Technical Skills
  • 6–8 years of hands-on experience in Java development and full‐stack engineering.
  • Strong expertise in: Java 11+, Spring Boot, Spring MVC, Spring Data, Spring Security, microservices architecture, REST APIs, React with TypeScript (or Angular), HTML5, CSS3, JavaScript/ES6, SQL (Oracle, PostgreSQL, SQL Server) and ORM frameworks (Hibernate/JPA), CI/CD tools: Jenkins, GitHub, Azure DevOps, Maven/Gradle, Cloud: AWS/Azure concepts (EC2, S3, Lambda, AKS/EKS – depending on client tech stack)
  • Experience with Git, Docker, containerized applications.
  • Knowledge of messaging systems (Kafka, MQ) is a plus.
Soft Skills
  • Strong analytical, debugging, and problem‐solving abilities.
  • Excellent communication and stakeholder engagement skills.
  • Ability to lead discussions and contribute to solution design.
  • Proactive, team-oriented, and committed to quality delivery.
Nice-to-Have Skills
  • Exposure to financial/banking platforms.
  • Experience with Kubernetes, Helm, Terraform.
  • Familiarity with testing frameworks like Cypress, Cucumber (BDD).
  • Experience in event-driven architecture or streaming solutions.
Education
  • Bachelor's or Master's degree in Computer Science, Engineering, or related field.

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