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Freelance Java Backend Developer Jobs in New York

Java Backend Developer

Jersey City, NJ · On-site

$55.25 - $71.75/hr

Lead technical design for Java/Spring Boot microservices, REST APIs, event-driven workflows & service integrations. * Guide code quality, pull request reviews, testing standards, and engineering best ...

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Backend Engineer Experience: 8+ Years Employment Type: Contract Location: NY We are seeking an experienced Java Backend Engineer with strong expertise in building scalable, high-performance ...

Position We are looking for an Experienced Java Back-End Developer to join our team. Responsibilities and duties * Quickly gain an up-to-date and comprehensive understanding of the code base and ...

Java + AWS Backend Developers

Newark, NJ · On-site

$52.75 - $68.50/hr

CI/CD and DevOps practices AI / LLM Tools - Important Requirement Resources should have knowledge or hands-on experience with modern LLM/AI-assisted development tools, specifically: * Claude Code

Back End Developer-Java

Jersey City, NJ · On-site

$125K - $163K/yr

Back End Developer - Java Must Have Technical/Functional Skills * Service Now, Confluence, Jira, and experience with GitHub for code collaboration, Java, API Development, Web Application & Services 9 ...

Java Backend Developer

New York, NY · On-site

$55.25 - $71.75/hr

Preferred Skill and Experience Experience in Java 8, REST, Spring boot, Microservices, Kafka or MQ, OpenShift deployments, Spring Security, JPA, XML, XSLT, JAXB, JAXP, MVC, Junit, test framework ...

We are seeking a highly skilled Senior Java Backend Engineer to support Oracle database upgrade readiness and application compatibility remediation. The resource will be responsible for assessing ...

Showing results 21-40

Freelance Java Backend Developer information

What are the most commonly searched types of Java Backend Developer jobs in New York?

The most popular types of Java Backend Developer jobs in New York are:

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Cities in New York with the most Freelance Java Backend Developer job openings:

Urgent hiring Java Backend developer : Iselin - NJ

Woodbridge, NJ • On-site

$100 - $125/hr

Other

Posted 21 days ago


Job description

Java Backend Developer

Location: Iselin – NJ (Local only- 3 days Hybrid role in A week)

Interview – Client round will be F2F

Only H1B, H4-EAD, GC-EAD, L2 EAD, TN EAD, USC

Key Responsibilities
  • Design, develop, and maintain workflow‑driven applications using Java framework, Spring Boot.
  • Implement event‑driven architectures using Apache Kafka.
  • Ensure application performance, scalability, and reliability through performance engineering best practices.
  • Collaborate with cross‑functional teams to define, design, and ship new features.
  • Translate business requirements into technical specifications and deliverables.
  • Contribute to architectural decisions and code reviews to maintain high code quality.
Required Skills & Qualifications
  • 9+ years of hands‑on experience in software development with a strong focus on backend.
  • Proficiency in Java, Spring Boot.
  • Strong knowledge of RDBMS concepts, with hands‑on experience in MS SQL Server.
  • Solid understanding of non‑functional requirements such as performance, scalability, security, and maintainability.
  • Strong debugging, problem‑solving, and analytical skills.
  • Experience with performance engineering and tools for profiling and optimization.
  • Excellent communication and collaboration skills.
Preferred Qualifications
  • Experience in building user‑facing web applications with high availability and responsiveness.
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