Demo

Java Developer - Onsite

Genesis10
Iselin, NJ Full Time
POSTED ON 9/19/2026
AVAILABLE BEFORE 10/19/2026
Genesis10 is currently seeking a Java Developer - Onsite for a 6 month contract position with a Global Financial Institution located in Iselin, NJ.

We are seeking an experienced Java Developer to consult on a high-level initiative focused on developing a scalable framework for expiration management and oversight. In this role, you will help design and build a governed, centralized solution to track expiration dates for various entities, including certificates and licenses, using Java, Spring Boot, and Angular. The objective is to create a single inventory repository with automated tracking, notifications, governance, and reporting capabilities.

Responsibilities:
  • Design, develop, enhance, and maintain enterprise-grade applications using Java technologies
  • Develop scalable and resilient Microservices using Spring Boot and related frameworks
  • Build and maintain responsive web applications using Angular
  • Design and implement database solutions using JPA/Hibernate and relational databases
  • Develop high-performance, multi-threaded applications and troubleshoot concurrency-related issues
  • Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, design, development, testing, deployment, and support
  • Perform unit testing, integration testing, and support automated testing initiatives
  • Analyze and resolve production issues, perform root cause analysis, and implement preventive solutions
  • Collaborate with architects, business analysts, QA teams, and DevOps engineers to deliver high-quality solutions
  • Ensure application performance, scalability, security, and reliability
  • Create and maintain technical documentation, deployment guides, and operational procedures
  • Support application deployments and production releases across multiple environments

Requirements:
  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field
  • 5 years of Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work or consulting experience, training, military experience, education
  • Strong hands-on experience with Java (Java 8/11/17 or higher), Spring Boot, RESTful APIs, Microservices Architecture, Angular, JPA / Hibernate, and Apache Tomcat
  • Strong understanding of Object-Oriented Design, Data Structures, Multi-threading, Design Patterns, and Application Security Best Practices
  • Experience with SQL and relational databases such as Oracle, PostgreSQL, SQL Server, or MySQL
  • Experience with source control tools such as Git
  • Strong knowledge of SDLC processes, Agile/Scrum methodologies, and DevOps practices
  • Hands-on experience in application development, testing, deployment, and production support
  • Familiarity with both Linux and Windows environments
  • Experience writing and maintaining automation scripts using Shell, Bash, PowerShell, Python, or similar technologies

Desired skills:
  • Experience with containerization technologies such as Docker and Kubernetes/OpenShift
  • Familiarity with CI/CD pipelines and DevOps tools
  • Understanding of SSL/TLS certificates, certificate management, and secure communications
  • Experience with Ansible for infrastructure automation and application deployment
  • Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform (Google Cloud Platform)
  • Knowledge of messaging platforms such as Kafka, Solace, RabbitMQ, or JMS
  • Experience with monitoring and logging tools
  • Strong analytical, problem-solving, communication, and collaboration skills
  • Experience with performance tuning and load testing

Pay range: $66.41 - $74.41 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.

Salary : $66 - $74

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