Java Developer jobs in United States
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JSR Tech Consulting ยท 4 hours ago

Java Developer

positionNewark, NJ
timeContract
remoteHybrid
senioritySenior Level, Lead/Staff
money$65/hr - $75/hr
date15+ years exp

JSR Tech Consulting is a major financial firm hiring multiple Senior Java Developers for contract-to-hire roles based in Newark, NJ. The role involves leading modernization efforts of critical enterprise applications by migrating legacy Java systems to modern frameworks and integrating AI-assisted development tools.

Information ServicesInformation Technology
Hiring Manager
Tom Irtis
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Responsibilities

Lead the migration of legacy Java applications to modern frameworks
Develop, maintain, and optimize applications using both old (EJB) and modern (Spring Boot) Java frameworks
Collaborate with engineering, architecture, and QA teams to deliver scalable solutions
Integrate and apply AI-assisted development tools (Claude) into the software lifecycle
Provide mentorship and technical guidance to junior team members
Ensure best practices in code quality, performance, security, and maintainability

Qualification

Java developmentJava modernizationJava frameworksAPI developmentDatabase interactionService-oriented architectureSecurity best practicesDevOps toolsDebugging skillsJapanese languageProblem-solving skillsTeamwork

Required

15+ years of Java development experience across legacy and modern environments
Expertise in Java modernization/migration projects
Strong hands-on experience with Java frameworks (EJB, Spring Boot)
Familiarity with both old web servers (e.g., WebSphere) and modern platforms (e.g., AWS ECS, Kubernetes)
Experience with API development & consumption (REST, JSON, SOAP, XML)
Experience with Database interaction (JDBC, MySQL)
Experience with Service-oriented architecture (SOA) patterns
Experience with Security best practices (DevSecOps, SSL, JWT, OAuth 2.0, SAML 2.0)
Experience with DevOps tools (Jenkins, GitHub, Bitbucket)
Experience with SDLC practices, including testing, monitoring, and logging
Experience with AI development tools, particularly Claude AI
Strong debugging, optimization, and problem-solving skills
Ability to work independently and within a team with minimal supervision

Preferred

Experience in the insurance industry
Japanese language skills (a plus, not required)
Portfolio or GitHub showcasing Java modernization projects
Willingness to participate in live coding interviews

Company

JSR Tech Consulting

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JSR Tech Consulting provides contract consulting services for business and technology leaders in financial services.
dateFounded in 2015
location
Cranford, New Jersey, USA
people-size51-200 employees
web-link
https://www.jsrtechconsulting.com/

Funding

Current Stage
Growth Stage

Leadership Team

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Susan Riordan Flynn
President and CEO
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leader-logo
Eric Lauck
Client Partner
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Company data provided by crunchbase