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Junior Java Backend Developer Jobs in Passaic, NJ

BC Forward

Java Backend Developer

Newark, NJ

$65.05/hr

... backend services in a collaborative Agile environment. Responsibilities: Design, develop, and ... Core Java skills. Solid understanding of object-oriented programming principles. Hands-on ...

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 ...

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 ...

Magnus Technology Solutions

Be Seen First

Junior Java Developer

Jersey City, NJ · On-site

$60K - $75K/yr

- Junior Java Developer W2/ Full Time Hiring - Jr. Java Developer (0-5 Years Experience) We are looking for an experienced Java Developer to join our dynamic development team. If you have strong Java ...

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 ...

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 ...

Infosys

Java Backend Developer

Jersey City, NJ · On-site

$55.25 - $71.75/hr

Required : • Experience in software development using Java, Spring Boot • Experience in Java 8, ... Devops Company : Infosys is a technology company that offers consulting, outsourcing, cloud ...

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 ...

Lorhan

Jr. Java Developer

Middlesex, NJ

Apply for job Title: Jr. Java Developer Location: Middlesex, NJ Requirements: * Must Have: * Core Java * Spring Boot * Microservices * Web services: REST/SOAP, API * Data Structures * Experience ...

Lorhan Corp

Jr. Java Developer

Middlesex, NJ · On-site

Apply for job Title: Jr. Java Developer Location: Middlesex, NJ Requirements: * Must Have: * Core Java * Spring Boot * Microservices * Web services: REST/SOAP, API * Data Structures * Experience ...

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 ...

Derex Technologies, Inc.

Java Backend with AWS

New York, NY · On-site

$55.25 - $71.75/hr

Extensive experience with Java, including object-oriented programming. Frameworks: Hands-on ... junior team members Regards, Manoj Goud Derex Technologies INC Contact : 973-834-5005 Ext 206 ...

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Junior Java Backend Developer information

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$63.2K

$110.6K

$166.7K

How much do junior java backend developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for junior java backend developer in Passaic, NJ is $110,608.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,200.00 and $110,300.00 per year, depending on experience, location, and employer.

What are Junior Java Backend Developers?

Junior Java Backend Developers are entry-level software engineers who specialize in building and maintaining the server-side logic of web applications using the Java programming language. They work closely with senior developers to implement APIs, manage databases, and ensure smooth data flow between servers and users. Their responsibilities often include writing clean, efficient code, debugging applications, and learning new technologies as needed. Junior Java Backend Developers typically have a foundational knowledge of Java, SQL, and frameworks like Spring Boot.

What are some common challenges faced by Junior Java Backend Developers when joining a new team?

As a Junior Java Backend Developer, one common challenge is adapting to existing codebases and understanding the team's preferred coding standards and practices. You may also find it challenging to grasp complex system architectures or integrate your code with various APIs and databases. However, most teams provide onboarding support, code reviews, and mentorship to help you ramp up. Collaborating closely with senior developers and asking questions can significantly ease your transition and foster your growth in the role.

What are the key skills and qualifications needed to thrive as a Junior Java Backend Developer, and why are they important?

To thrive as a Junior Java Backend Developer, you need solid knowledge of Java programming, understanding of object-oriented design, and familiarity with backend frameworks like Spring, often supported by a degree in computer science or related field. Experience with relational databases (e.g., MySQL), version control systems (like Git), and exposure to RESTful APIs and build tools (such as Maven) are typically required. Strong problem-solving skills, attention to detail, and effective communication make someone stand out in this role. These skills and qualities are crucial for building reliable, scalable server-side applications and collaborating effectively within a software development team.
What job categories do people searching Junior Java Backend Developer jobs in Passaic, NJ look for? The top searched job categories for Junior Java Backend Developer jobs in Passaic, NJ are:
Junior Java Backend Developer jobs near you
Infographic showing various Junior Java Backend Developer job openings in Passaic, NJ as of June 2026, with employment types broken down into 50% Internship, and 50% Full Time. Highlights an 50% In-person, and 50% Hybrid job distribution, with an average salary of $110,608 per year, or $53.2 per hour.
Blockchain Java Backend Developer

Blockchain Java Backend Developer

Tata Consultancy Services

Jersey City, NJ • On-site

$55.25 - $71.75/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Tata Consultancy Services rating

6.5

Company rating: 6.5 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

154th of 204 rated it services

Job description

Job Summary:
Tata Consultancy Services is seeking a Blockchain Java Backend Developer to design and develop backend services that interact with blockchain networks. The role involves building scalable microservices architecture and optimizing performance for blockchain transaction workflows.
Responsibilities:
• Design and develop Java-based backend services that interact with blockchain networks and nodes (public or permissioned).
• Build and scale microservices-based architecture supporting blockchain transaction workflows, event processing, and off-chain components.
• Develop reliable services for:
• Transaction orchestration
• Smart contract invocation
• Blockchain event subscription/listening
• On-chain/off-chain data synchronization
• Implement scalable APIs (REST/gRPC) for blockchain-enabled products and integrations.
• Optimize performance for high throughput and low latency:
• Transaction throughput handling, batching, retries, idempotency, rate limiting.
• Ensure secure integration with blockchain:
• Key management best practices, signing transactions, secure secret handling.
• Implement observability and reliability standards:
• Logging, monitoring, tracing, alerting, SLOs/SLAs.
• Work with DevOps/SRE teams to support production deployments, incident triage, and capacity planning.
• Contribute to architecture decisions including:
• Event-driven architecture (Kafka/RabbitMQ), caching strategies, database selection, and deployment topologies.
Qualifications:
Required:
• BACHELOR OF COMPUTER SCIENCE
• 4 - 6 Years of experience
• Strong proficiency in Java (8+), and frameworks such as Spring Boot / Spring Cloud.
• Experience building distributed systems and microservices architectures at scale.
• Strong knowledge of concurrency, multithreading, asynchronous programming.
• Strong knowledge of API design (REST/gRPC), security (OAuth2/JWT), and integration patterns.
• Solid understanding of SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Cassandra).
• Hands-on experience with message streaming/queues.
• Strong understanding of blockchain fundamentals: Transactions, blocks, confirmations/finality, consensus, gas/fees, wallets, keys.
• Experience integrating backend services with blockchain networks/nodes: Ethereum-compatible networks (Ethereum/Polygon/BSC) using Web3j, ethers-style approaches and/or permissioned chains (Hyperledger Fabric, Corda, Quorum).
• Experience supporting large blockchain deployments: Node connectivity, RPC management, event indexing, chain reorg handling, retry strategies.
• Design and develop Java-based backend services that interact with blockchain networks and nodes (public or permissioned).
• Build and scale microservices-based architecture supporting blockchain transaction workflows, event processing, and off-chain components.
• Develop reliable services for transaction orchestration, smart contract invocation, blockchain event subscription/listening, on-chain/off-chain data synchronization.
• Implement scalable APIs (REST/gRPC) for blockchain-enabled products and integrations.
• Optimize performance for high throughput and low latency: Transaction throughput handling, batching, retries, idempotency, rate limiting.
• Ensure secure integration with blockchain: Key management best practices, signing transactions, secure secret handling.
• Implement observability and reliability standards: Logging, monitoring, tracing, alerting, SLOs/SLAs.
• Work with DevOps/SRE teams to support production deployments, incident triage, and capacity planning.
• Contribute to architecture decisions including event-driven architecture (Kafka/RabbitMQ), caching strategies, database selection, and deployment topologies.
Preferred:
• Experience with Docker and Kubernetes for containerized microservices deployments.
• CI/CD exposure (Jenkins/GitHub Actions/GitLab CI/Azure DevOps).
• Cloud experience (Azure/AWS/GCP) is a plus.
• Understanding of security practices: Secrets management (Vault/KMS), TLS, RBAC, network security.
Company:
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting. It is a sub-organization of Tata Group. Founded in 1968, the company is headquartered in Mumbai, IND, with a team of 10001+ employees. The company is currently Late Stage.

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About Tata Consultancy Services

Sourced by ZipRecruiter

Tata Consultancy Services is an IT services, consulting and business solutions organization that delivers real results to global business, ensuring a level of certainty no other firm can match. TCS offers a consulting-led, integrated portfolio of IT, BPO, infrastructure, engineering, and assurance services. This is delivered through its unique Global Network Delivery Model™, recognized as the benchmark of excellence in software development. TCS delivers a level of certainty that no other firm can match--to our clients and to our employees. Come join us and experience certainty in your career. TCS a global Consulting and IT Services firm that is ranked in the top quartile by industry analysts. Our 2021 fiscal revenues topped $25 B and our market capitalization is over $170+B, yet we have a deep and large history of philanthropy and corporate social responsibility. Now approaching 600K of the best IT professionals and consultants, we are a trusted advisor, guiding our clients' enterprises through growth and transformation journeys - helping them to become agile, intelligent, automated and on the cloud. We are devoted to DEI and are recognized as a top employer and place to work.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Edison, NJ, US

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