Java Backend DeveloperSpectraforce Technologies • Newark, NJ, United States

Java Backend Developer

Spectraforce Technologies • Newark, NJ, United States

22 hours ago

Job type

Full-time

Job description

Job Title - : Java Backend Developer

Duration - : 12 Months (Contract To Hire)

Location - : Newark, NJ (Hybrid)

Responsibilities

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, SpringBoot, 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.

Required Qualifications

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 DevSecOps; 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 GitHub or Bitbucket; DevOps, Jenkins or GitHub 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.

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.

Conduct live coding in interview sessions to demonstrate technical skills.

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Java Backend Developer • Newark, NJ, United States

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