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Freelance Java Backend Developer Jobs in New Jersey

Tata Consultancy Service Limited

Engineer

Jersey City, NJ · On-site

$90K - $100K/yr

Blockchain Java Backend Developer Must Have Technical/Functional Skills Core Backend Skills • Strong proficiency in Java (8+), and frameworks such as Spring Boot / Spring Cloud. • Experience ...

RIT Solutions, Inc.

full stack java developer

Summit, NJ · On-site

$55.75 - $72/hr

RIT Solutions, Inc. is seeking a Full Stack Java Developer to support the build of a new enterprise ... The role involves end-to-end development across Java backend and Angular frontend, with a strong ...

SynergisticIT

Backend Developer - Remote

Piscataway, NJ · On-site

$50.50 - $65.50/hr

Java + Data Career Path -- Keep Your Options Open Not sure whether to choose software development or data? Many candidates benefit from building a strong programming foundation while also developing ...

MM International

Java Developer - Backend /Angular

Iselin, NJ · On-site

$51.25 - $66.50/hr

Software Engineer ( Backend) Location: Hybrid 3 times a week in Iselin, NJ. Onsite Interview IV ... Angular (2.0/4.0+) * Core Java * Object Orientation * Spring (Spring Framework) * Restful Web ...

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SR Java Backend / Full Stack Developer LEAD

Delan Associates, Inc

Whippany, NJ • Hybrid

$52.75 - $68.25/hr

Contractor

Re-posted 11 days ago

Job description

Job Title: SR Java Backend / Full Stack Developer LEAD

Location: Whippany, NJ(Hybrid)

Note: This role is eligible for H4 Visa only. Please apply H4 exclusively.

Note: Eligible applicants must be based in New York (NY) or New Jersey (NJ) to be considered for this role.

Job Description:

We are seeking an experienced Java Developer with strong backend expertise and some exposure to full-stack development. The role primarily focuses on backend services (~75%) with additional responsibilities in front-end development using Angular (~25%).

Key Responsibilities:

Design, develop, and maintain scalable backend services using Java and Spring Boot

Build and enhance RESTful APIs and microservices architecture

Participate in system design, code reviews, and technical discussions

Develop responsive UI components using Angular

Collaborate with cross-functional teams, including QA, DevOps, and business stakeholders

Ensure high performance, security, and scalability of applications

Troubleshoot, debug, and optimize existing systems

Required Skills:

Strong experience in Java (8/11/17+), Spring Boot, and Microservices

Experience with REST APIs and backend system design

Hands-on experience with Angular (frontend development)

Good understanding of databases (SQL/NoSQL)

Familiarity with Kafka or other messaging systems

Experience with CI/CD tools and Agile methodologies

Preferred Skills:

Experience with cloud platforms (AWS/Azure/GCP)

Knowledge of Docker and Kubernetes

Employment Type: CONTRACTOR

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