Java Backend Developer
Job in
Newark, Essex County, New Jersey, 07175, USA
Listed on 2026-02-06
Listing for:
Spectraforce Technologies
Contract
position Listed on 2026-02-06
Job specializations:
-
Software Development
Java Developer, Backend Developer, Software Engineer, Full Stack Developer
Job Description & How to Apply Below
Job Title
:
Java Backend Developer
Duration
: 12 Months (Contract To Hire)
Location
:
Newark, NJ (Hybrid)
- Lead and execute the migration from legacy Java applications to modern Java frameworks.
- Develop, maintain, and optimize enterprise-scale applications new and old Java frameworks (EJB, Spring Boot, etc).
- Collaborate with cross-functional teams to design, develop, and deploy high-quality software solutions.
- Integrate AI-assisted development tools, with a focus on using Claude.
- Provide technical leadership and mentoring to junior developers.
- Ensure code quality, security, and performance across systems.
- 15+ years of professional Java development experience.
- Strong proficiency in old and modern Java frameworks as well as old web servers (like Websphere) and new (AWS ECS or Kubernetes)
- Demonstrated hands-on experience in Java modernization/migration projects.
- Expertise in converting legacy Java codebases to updated architectures.
- Application Programming Interfaces (API):
Consumption & Development; implementing service oriented architecture (SOA) patterns;
Web service technologies such as APIs, REST, JSON, SOAP, XML, JDBC, MySQL - Unit, interface and end user testing concepts and tooling (functional & non-functional)
- Automated testing
- Software security skills including secure coding, web application security and Dev Sec Ops ;
Solid grasp of security concepts (authentication, authorization, encryption, digital signature, JWT), SSL, web service proxies, firewall, SAML 2.0, OpenID Connect, OAuth 2.0) - Dev Ops Tools & Practices:
Branching techniques and usage of Git Hub or Bitbucket;
Dev Ops, Jenkins or Git Hub Actions - Software Development Life Cycle (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 NY or NJ.
- Experience in the insurance industry.
- Japanese language proficiency is a plus (not a must)
- Portfolio or Git Hub repositories showcasing similar Java migration projects.
- Conduct live coding in interview sessions to demonstrate technical skills.
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