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Backend Engineer Java Jobs in New Jersey (NOW HIRING)

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 ...

Juno Search Partners

Backend Java Developer

Beverly, NJ

$49 - $63.50/hr

Backend Java Developer (Junior-Mid Level) Location: Edgewater Park, NJ (On-site, 5 days/week) Employment Type: Direct hire (W2 only) We are partnering with a growing organization seeking a Backend ...

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 ...

Sunbit

Sr. Backend Engineer

Jersey City, NJ · On-site +1

Description JOB TITLE: Sr. Backend Engineer LOCATION: Hybrid in NY/ NJ REPORTS TO: Squad Leader The ... Experience in Kotlin, Java, or Scala with hands-on experience. * Experience in the Spring Framework.

Sunbit

Sr. Backend Engineer

Jersey City, NJ · On-site

JOB TITLE: Sr. Backend Engineer LOCATION: Hybrid in NY/ NJ REPORTS TO: Squad Leader The Company ... Experience in Kotlin, Java, or Scala with hands-on experience. * Experience in the Spring Framework.

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 ...

H R PUNDITS INC

Java Full-Stack Engineer

Fort Lee, NJ

$60 - $65/hr

Benefits: * 401(k) Software Engineer (Java/Full-Stack) Location: Fort Lee, NJ (Hybrid - 3 days/week ... A strong command of Python for backend logic or automation tasks. Requirements * At least 12 years ...

Sun-IT Solutions

Java Backend Developer

Jersey City, NJ

$52.75 - $68.25/hr

Java Backend Developer Location: Initial one year Remote but candidates must be from these ... Engineer to join our team in Fidelity Institutional Technology (FIT). You will work as part of a ...

BC Forward

Senior Java Backend Developer

Jersey City, NJ · Hybrid

$68.25/hr

Senior Java Backend Developer Location: Jersey City, NJ Duration: Contract - 12 months Pay Range ... We are seeking a Senior Software Engineer to join our dynamic team. The ideal candidate will have ...

Infosys

Java Backend Developer

Jersey City, NJ · On-site

$55.25 - $71.75/hr

The Java Backend Developer role involves contributing to software application design, coding, and maintaining system stability while collaborating with cross-functional teams to enhance software ...

Kasmo Global

Backend Engineer

Jersey City, NJ

The top candidates would have skills in Java, Scala, Python and Digital Marketing or E-Commerce ... Marketing Technology - SEO What is the makeup of the team? 7 engineers located in US and 16 in ...

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Backend Engineer Java information

What does a Backend Engineer Java do?

A Backend Engineer Java is responsible for developing and maintaining the server-side logic, databases, and application programming interfaces (APIs) using the Java programming language. They ensure that the backend of web applications or software systems is efficient, secure, and scalable. Their work often involves collaborating with frontend developers, designing system architecture, and optimizing performance to handle large volumes of user requests. Backend Java engineers often use frameworks such as Spring or Hibernate and work with databases like MySQL or PostgreSQL.

What is the difference between Backend Engineer Java vs Backend Developer Java?

AspectBackend Engineer JavaBackend Developer Java
Primary FocusDesigning, developing, and maintaining server-side applications and systemsImplementing and coding backend functionalities based on specifications
ResponsibilitiesSystem architecture, performance optimization, API developmentWriting code, debugging, integrating databases
Skills & CertificationsJava, Spring, REST APIs, SQL, cloud platformsJava, Spring, SQL, version control, testing tools
Work EnvironmentCollaborative teams, project planning, architecture designCode implementation, debugging, feature development

Both roles require Java expertise and similar certifications, but Backend Engineer Java typically involves higher-level system design and architecture responsibilities, while Backend Developer Java focuses more on coding and implementing features. Employers often see these roles as complementary within software development teams.

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

To thrive as a Backend Engineer Java, you need a solid understanding of Java programming, data structures, algorithms, and experience with backend frameworks, typically supported by a relevant degree or industry experience. Familiarity with tools and technologies such as Spring Boot, RESTful APIs, relational databases, and build systems like Maven or Gradle is commonly required. Problem-solving ability, teamwork, and effective communication are crucial soft skills for excelling in collaborative and fast-paced development environments. These combined skills ensure robust, scalable backend systems that meet business needs and integrate smoothly within larger software architectures.

How does a Backend Engineer Java typically collaborate with frontend developers and other stakeholders in a project?

As a Backend Engineer Java, you will regularly collaborate with frontend developers to ensure seamless integration between server-side logic and user interfaces. This often involves participating in design discussions, clarifying API requirements, and troubleshooting integration issues. You’ll also engage with product managers, QA engineers, and sometimes DevOps teams to align on project goals, timelines, and deployment strategies. Effective communication is key to translating business requirements into reliable backend solutions and maintaining smooth workflows across the team.
What are popular job titles related to Backend Engineer Java jobs in New Jersey? For Backend Engineer Java jobs in New Jersey, the most frequently searched job titles are:
What job categories do people searching Backend Engineer Java jobs in New Jersey look for? The top searched job categories for Backend Engineer Java jobs in New Jersey are:
What cities in New Jersey are hiring for Backend Engineer Java jobs? Cities in New Jersey with the most Backend Engineer Java job openings:
Backend Engineer Java jobs near you
Infographic showing various Backend Engineer Java job openings in New Jersey as of June 2026, with employment types broken down into 100% Full Time. Highlights an 74% In-person, and 26% Remote job distribution.

Blockchain Java Backend Developer

Tata Consultancy Service Limited

Jersey City, NJ • On-site

$100K - $130K/yr

Full-time

Posted 2 days ago

Job description

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 building distributed systems and microservices architectures at scale.
• Strong knowledge of:
o Concurrency, multithreading, asynchronous programming
o API design (REST/gRPC), security (OAuth2/JWT), and integration patterns
• Solid understanding of data stores:
o SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Cassandra)
o Caching (Redis) and search (Elasticsearch) is a plus
• Hands-on experience with message streaming/queues:
Blockchain Skills (Must-Have)
• Strong understanding of blockchain fundamentals:
o Transactions, blocks, confirmations/finality, consensus, gas/fees, wallets, keys.
• Experience integrating backend services with blockchain networks/nodes:
o Ethereum-compatible networks (Ethereum/Polygon/BSC) using Web3j, ethers-style approaches
o and/or permissioned chains (Hyperledger Fabric, Corda, Quorum)
• Experience supporting large blockchain deployments:
o Node connectivity, RPC management, event indexing, chain reorg handling, retry strategies.
DevOps / Cloud (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:
o Secrets management (Vault/KMS), TLS, RBAC, network security.
Roles & 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:
o Transaction orchestration
o Smart contract invocation
o Blockchain event subscription/listening
o 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:
o Transaction throughput handling, batching, retries, idempotency, rate limiting.
• Ensure secure integration with blockchain:
o Key management best practices, signing transactions, secure secret handling.
• Implement observability and reliability standards:
o 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:
o Event-driven architecture (Kafka/RabbitMQ), caching strategies, database selection, and deployment topologies.
Salary Range- $100,000-$130,000 a year

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