What are the responsibilities and job description for the Java Developer Senior position at Custom Staffing?
Senior Java Developer
Location: New York City, NY (100% Onsite Local Candidates Only)
Rate: $85 $100/hr (W2 Only)
Industry: Financial Services
Duration: Contract (Long-term)
No Corp to Corp or 3rd party agencies
Top Required Skills
- Java / J2EE Development (5 7 years)
- Spring Framework (Spring Core, Integration, Batch)
- WebSphere Application Server
- Oracle (SQL, PL/SQL, Stored Procedures)
- Messaging: IBM MQ / JMS
- UNIX / Linux
- Maven, JUnit
- Distributed, mission-critical systems experience
- Financial Services
We are seeking a Java Developer to support the design and development of critical financial systems, including Fedwire applications (Securities, Funds, NSS, and Settlement systems). This role focuses on building scalable, secure, and high-performance enterprise applications.
Key Responsibilities
- Participate in technical design with architects
- Develop Java/J2EE applications on WebSphere
- Integrate components with enterprise frameworks
- Support unit, functional, and performance testing
- Troubleshoot and resolve complex issues
- Contribute to code optimization and reuse strategies
- Maintain technical documentation
Required Qualifications
- 5 7 years of Java/J2EE development experience
- Strong experience with Java, JDBC, JavaScript, HTML
- Hands-on Spring Framework experience (AOP preferred)
- Oracle database experience (SQL, PL/SQL)
- Experience with WebSphere or similar servers
- 2 years with MQ/JMS messaging
- Understanding of scalability, resiliency, and security
- Strong debugging and performance tuning skills
- Experience with OO design and design patterns
- Financial Services industry experience
Preferred Skills
- Exposure to cloud technologies
- Familiarity with open-source frameworks
Soft Skills
- Strong analytical and problem-solving skills
- Ability to work independently and in teams
- Excellent communication skills
- Ability to manage multiple priorities
Salary : $85 - $100