Java developer
$65 - $75 per hourJSR Tech Consulting
Java developer role at JSR Tech Consulting in Newark, NJ (Hybrid). Payrate: $65-$75 per hour. Responsibilities Lead and execute migration from legacy Java applications to modern Java frameworks. Develop, maintain, and optimize enterprise-scale applications across old and new Java frameworks (EJB, SpringBoot, etc). Collaborate with cross-functional teams to design, develop, and deploy high-quality software solutions. Integrate AI-assisted development tools, focusing on using Claude. Provide technical leadership and mentoring to junior developers. Ensure code quality, security, and performance across systems. Required Qualifications 15+ years of professional Java development experience. Proficiency in old and modern Java frameworks, old web servers (e.g., Websphere) and new infrastructure (AWS ECS or Kubernetes). Hands‑on experience in Java modernization/migration projects. Expertise converting legacy Java codebases to updated architectures. Experience consuming and developing APIs; implementing SOA patterns; and working with web service technologies such as APIs, REST, JSON, SOAP, XML, JDBC, MySQL. Knowledge of unit, integration, and end‑user testing concepts and tooling (functional & non‑functional). Experience with automated testing. Software security skills including secure coding, web application security, DevSecOps; solid grasp of authentication, authorization, encryption, digital signatures, JWT, SSL, web service proxies, firewalls, SAML 2.0, OpenID Connect, OAuth 2.0. DevOps tools & practices: Branching with GitHub or Bitbucket; CI/CD with Jenkins or GitHub Actions. Familiarity with SDLC monitoring and logging techniques. Familiarity with Claude AI coding capabilities. Strong problem‑solving, debugging, and optimization skills. Ability to work independently and in teams with minimal supervision. Must be located in New York or New Jersey. Preferred Qualifications Experience in the insurance industry. Japanese language proficiency is a plus (not a must). Portfolio or GitHub repositories showcasing similar Java migration projects. Live coding in interview sessions to demonstrate technical skills. Additional Information Seniority level: Mid‑Senior level Employment type: Other Job function: Information Technology Industries: IT Services and IT Consulting Referrals increase your chances of interviewing at JSR Tech Consulting by 2x. #J-18808-Ljbffr JSR Tech Consulting
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