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Intern Java Back End Developer Jobs in Newark, NJ

FreshDirect

Sr. Java Backend Developer

Woodbridge, NJ

$130K - $155K/yr

What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale backend systems that power FreshDirect's e-commerce and logistics platforms. You'll collaborate with cross ...

CrackaJack Digital Solutions LLC

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 ...

FreshDirect

Sr. Java Backend Developer

Woodbridge, NJ · On-site

$130K - $155K/yr

What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale backend systems that power FreshDirect's e-commerce and logistics platforms. You'll collaborate with cross ...

TriOptus LLC

App Dev - Java - Sr

Passaic, NJ

$59.25 - $75.50/hr

Java Backend Developer Java Backend Developer/Microservices/Kafka/Springboot Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack ...

FreshDirect

Sr. Java Backend Developer

Woodbridge, NJ · On-site

$130K - $155K/yr

What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale backend systems that power FreshDirect's e-commerce and logistics platforms. You'll collaborate with cross ...

Esprow

Senior/Lead Java Back-End Developer

Manhattan, NY

$132.80K - $172.50K/yr

Java Back-End Senior Or Lead Developer We are looking for a talented Java back-end senior or lead developer with extensive expertise working on web application back-ends using the Spring Framework.

Monitise

Java Backend Engineer

Berkeley Heights, NJ

$110K - $186K/yr

Job Title Java Backend Engineer About your role: As a Java Backend Engineer you will code daily, own technical delivery end to end, and raise the bar for the team through strong code reviews ...

Grinteq

Java Liferay Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

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 ...

Fiserv, Inc.

Java Backend Engineer

Berkeley Heights, NJ · On-site

$110K - $186K/yr

Job Title Java Backend Engineer About your role: As a Java Backend Engineer you will code daily, own technical delivery end to end, and raise the bar for the team through strong code reviews ...

Kasmo Global

Java Developer

South Plainfield, NJ

$53.25 - $69/hr

Top 3 Must Haves: 1. Core Java 2. Any one DB 3. Micro Services, Spring and Spring Boot Job Summary: • Lead Java Backend engineer with good hands on experience (8 to 10+ years) in Java • Core Java ...

Goldenpick Technologies

Java Backend Engineer

Whippany, NJ · On-site

$50.75 - $66/hr

Virtual * Java backend development experience * Experience in Kafka, including Redis cluster ... Knowledge of microservices architecture. * hands‑on senior engineer, working directly with ...

ORBIS

Back End Developer

Manhattan, NY

$170K - $225K/yr

This role is heavily focused on Java and distributed systems - ideal for engineers who have built and operated backend services in production at scale. What You'll Do * Build and scale backend ...

Photon

Java Developer

Berkeley Heights, NJ

$53.25 - $69/hr

We are looking for a skilled and motivated Java Developer with strong experience in Java Backend development , Microservices architecture , and Kubernetes (K8s) based deployments. The ideal candidate ...

Esprow

Senior/Lead Java Back-End Developer

Manhattan, NY · On-site +1

Position Summary We are looking for a talented Java back-end senior or lead developer with extensive expertise working on web application back-ends using the Spring Framework. You will be responsible ...

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Intern Java Back End Developer information

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How much do intern java back end developer jobs pay per hour?

As of Jun 1, 2026, the average hourly pay for intern java back end developer in Newark, NJ is $23.94, according to ZipRecruiter salary data. Most workers in this role earn between $19.38 and $25.38 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Intern Java Back End Developer, and why are they important?

To thrive as an Intern Java Back End Developer, you need a solid understanding of Java, object-oriented programming, and database fundamentals, often backed by coursework in computer science or related fields. Familiarity with development tools such as Git, IDEs like IntelliJ or Eclipse, and frameworks like Spring Boot is commonly expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you collaborate with team members and adapt quickly. These skills and qualities are crucial for building reliable server-side applications and integrating effectively into a professional development environment.

What types of projects and responsibilities can an Intern Java Back End Developer expect during their internship?

As an Intern Java Back End Developer, you can typically expect to work on tasks such as writing and testing server-side code, assisting with database integration, and supporting the development of RESTful APIs. You'll likely collaborate closely with senior developers and other interns during code reviews, debugging sessions, and team meetings. Interns may also be assigned to real-world projects where they can contribute to feature enhancements or bug fixes under supervision, providing valuable hands-on experience in a collaborative, agile environment.

What does an Intern Java Back End Developer do?

An Intern Java Back End Developer assists in designing, developing, and maintaining the server-side logic of web applications using the Java programming language. They typically work under the guidance of senior developers to write clean, efficient code, troubleshoot bugs, and learn about frameworks like Spring Boot or Hibernate. Interns may also participate in code reviews, testing, and collaborating with front-end developers to integrate user-facing elements with server-side logic. This role helps interns gain hands-on experience in building scalable and secure back-end systems.

What is the difference between Intern Java Back End Developer vs Intern Front End Developer?

AspectIntern Java Back End DeveloperIntern Front End Developer
Required SkillsJava, Spring, SQL, REST APIsHTML, CSS, JavaScript, React or Angular
Work EnvironmentServer-side development, database integrationClient-side interface, UI/UX design
Common Industry UsageBackend systems, enterprise applicationsWebsites, mobile app interfaces

Intern Java Back End Developers focus on server-side logic, database management, and API development, while Intern Front End Developers work on the visual and interactive aspects of websites and applications. Both roles often require programming skills and are used in web development environments, but they specialize in different parts of the software stack.

What cities near Newark, NJ are hiring for Intern Java Back End Developer jobs? Cities near Newark, NJ with the most Intern Java Back End Developer job openings:
Intern Java Back End Developer jobs near you
Infographic showing various Intern Java Back End Developer job openings in Newark, NJ as of May 2026, with employment types broken down into 7% Internship, 20% Full Time, and 73% Contract. Highlights an 93% In-person, and 7% Remote job distribution, with an average salary of $49,798 per year, or $23.9 per hour.
Sr. Java Backend Developer

Sr. Java Backend Developer

FreshDirect

Woodbridge, NJ

$130K - $155K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 25 days ago

FreshDirect rating

7.5

Company rating: 7.5 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

2nd of 22 rated food delivery companies

Job description

At FreshDirect, we are reinventing the grocery experience. Since day one, our mission has been simple: bring the best, freshest food directly from the farm to people’s homes – faster, , and smarter than anyone else.
We are not just a food company – we are a technology-powered, customer-obsessed team building the most innovative end-to-end food supply chain in the industry. From proprietary routing systems to our state-of-the-art fulfillment center, every part of our business is designed to deliver unmatched quality, convenience, and care.
We partner directly with farmers, fishermen, and artisans to source the highest-quality ingredients, then use smart data, automation, and logistics to get them to our customers’ doors at peak freshness. It’s grocery shopping reimagined — and we’re just getting started.
If you’re passionate about innovation, care about what people eat, and want to be part of a team doing what no one else is doing, come build the future of food with us.
What You’ll Do
As a Senior Backend Developer (Java), you’ll help design, develop, and scale backend systems that power FreshDirect’s e-commerce and logistics platforms. You’ll collaborate with cross-functional teams to deliver performant, reliable, and secure solutions that enhance the customer experience.

  • Design, develop, and maintain RESTful APIs and microservices.
  • Build and optimize backend systems using Java, Kotlin, and Spring Boot.
  • Work on system architecture, caching, and performance optimization.
  • Develop and maintain services integrated with GraphQL, JPA, JMS, and ActiveMQ.
  • Deploy and manage containerized applications in Docker and Kubernetes environments.
  • Implement CI/CD pipelines using Jenkins and GitHub Actions.
  • Write and optimize queries for Oracle 12c+, SQL, and PL/SQL databases.
  • Monitor and tune performance using APM tools such as Dynatrace, AppDynamics, or New Relic.
  • Ensure compliance with modern security standards and best practices.
  • Collaborate with team members across New Jersey and Istanbul to deliver high-quality, scalable solutions.

What You’ll Bring

  • 3+ years of professional backend development experience.
  • Strong proficiency in Java, J2EE, and RESTful API development.
  • Experience with Kotlin, GraphQL, and Spring/Spring Boot.
  • Familiarity with caching frameworks such as Redis or Ehcache.
  • Experience with Docker, Kubernetes, and Linux/Solaris.
  • Hands-on experience with CI/CD pipelines using Jenkins or GitHub Actions.
  • Expertise in relational databases and query optimization (Oracle 12c+, SQL, PL/SQL).
  • Familiarity with APM tools (Dynatrace, AppDynamics, or New Relic).
  • Excellent problem-solving skills, adaptability, and a proactive mindset.
  • Strong communication skills and a collaborative approach.

Bonus Points For:

  • Experience in e-commerce or high-transaction systems.
  • Familiarity with AWS or Google Cloud Platform cloud environments.
  • Knowledge of front-end fundamentals (HTML, JavaScript, CSS) or frameworks (React, Node.js, Ember).
  • Experience with PCI compliance and modern security standards.
  • Exposure to data science or machine learning.

What We Offer
Total Rewards & Benefits
Salary $130,000-$155,000

  • Competitive compensation, equity, and comprehensive benefits.
  • PTO, Safe & Sick Time, and Paid Holidays.
  • Medical, Dental, Vision, Life Insurance, and voluntary Disability coverage.
  • 401(k) with employer match.
  • On-site amenities including gym, cafeteria, parking, and shuttle services.
  • Professional development programs, tuition assistance, and mentorship opportunities.

What FreshDirect employees say

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