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Contract Java Developer Startup Jobs in Berkeley Heights, NJ

JAVA Developers

Jersey City, NJ

$53.25 - $69/hr

Looking for Sr. Java Developer or Java Developer, Please let me know if you are available ... Location - New York City and Iselin NJ Duration - Long terms Contract to hire or Full Time ...

Genesis10 is currently seeking a Core Java Developer for a contract position with a Global Financial Institution located in Jersey City, NJ. In this role, you will work closely with business partners ...

Java GWT DEVELOPER

New York, NY

$55.75 - $72.25/hr

Java Developer(GWT IS Mandatory) Location ... New York Duration: 12-16 Months Contract Experience: 5+ years Must Have Skills: GWT, JAVA, J2EE;

Full Stack Java Developer

Piscataway, NJ · On-site

$52.50 - $67.75/hr

Job Title - Full Stack Java Developer Location - Piscataway, NJ (Hybrid) Duration - 12+ Months ... and contract-first API design CI/CD with AWS CodePipeline / CodeBuild DynamoDB data modeling and ...

JAVA Developer

Jersey City, NJ

$53.25 - $69/hr

We have more than 30 IT Staffing Services contracts across USA and working closely with Fortune 500 ... Java, j2ee, application server experience with either websphere, jboss, etc, supporting ...

Java AWS Engineer

Jersey City, NJ

$54 - $74/hr

Java Developer with AWS and CLOUD/Java AWS Engineer No of Openings :7 Position Type :Contract Branch Code :New York City Projected Start Date :08-17-2017 Zip Code :10041 City :New Jersey State :NJ ...

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Contract Java Developer Startup information

See Berkeley Heights, NJ salary details

$16

$59

$80

How much do contract java developer startup jobs pay per hour?

As of Jul 11, 2026, the average hourly pay for contract java developer startup in Berkeley Heights, NJ is $59.17, according to ZipRecruiter salary data. Most workers in this role earn between $51.20 and $66.25 per hour, depending on experience, location, and employer.

What are some common challenges Contract Java Developers face when working at startups, and how can they prepare for them?

Contract Java Developers at startups often face fast-paced environments with shifting priorities and limited documentation. Adapting quickly to new codebases, collaborating with small, cross-functional teams, and managing ambiguity are frequent challenges. To prepare, developers should brush up on agile methodologies, familiarize themselves with popular Java frameworks, and be proactive in communicating with stakeholders. Demonstrating flexibility and strong problem-solving skills will help ensure a successful contract period.

What are the key skills and qualifications needed to thrive as a Contract Java Developer at a startup, and why are they important?

To excel as a Contract Java Developer in a startup environment, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development lifecycles, usually supported by relevant experience or a computer science degree. Familiarity with frameworks like Spring Boot, version control systems (e.g., Git), build tools (e.g., Maven or Gradle), and cloud platforms is often required. Outstanding problem-solving ability, adaptability, and clear communication skills help you collaborate effectively and respond to rapidly changing project needs. These skills and qualities enable you to deliver robust, scalable solutions quickly and efficiently, which is critical in the fast-paced, resource-constrained startup setting.

What does a Contract Java Developer do at a startup?

A Contract Java Developer at a startup is responsible for designing, developing, and maintaining Java-based applications on a temporary basis, usually to help accelerate specific projects or fill short-term talent gaps. They often work on building scalable backend systems, integrating APIs, and ensuring the product can rapidly evolve as the startup grows. Their work may also involve troubleshooting, optimizing performance, and collaborating closely with other developers, designers, and product managers. Because startups are fast-paced environments, contract developers are expected to adapt quickly and deliver results within tight deadlines.

What is the difference between Contract Java Developer Startup vs Contract Java Developer Enterprise?

AspectContract Java Developer StartupContract Java Developer Enterprise
CredentialsJava certification, relevant experienceJava certification, relevant experience
Work EnvironmentFast-paced, innovative, small teamsStructured, larger teams, formal processes
Employer & IndustryStartups, tech, e-commerceLarge corporations, finance, healthcare
Search & Comparison IntentYesYes

The main difference between a Contract Java Developer Startup and a Contract Java Developer Enterprise lies in the work environment and company size. Startups typically offer a dynamic, fast-paced setting with smaller teams, while enterprises provide a more structured environment with larger teams and formal processes. Both roles require similar credentials and are sought after by companies in different industry sectors.

What cities near Berkeley Heights, NJ are hiring for Contract Java Developer Startup jobs? Cities near Berkeley Heights, NJ with the most Contract Java Developer Startup job openings:

$62.75 - $80/hr

Full-time

Re-posted 19 days ago


Job description

Title: Senior Java Developer
Duration: 6+ Months of Contract with possible extension
Location: Jersey City, NJ
JC- Will be shared in some time
We are seeking a motivated and detail-oriented Java Full Stack Developer with a minimum of 2 years of experience in application development. The role involves building and maintaining scalable applications across both frontend and backend layers, supporting end-to-end software delivery including development, testing, and production support.
Key Responsibilities:
• Design, develop, and maintain full stack applications using Java (backend) and Angular (frontend)
• Implement business logic, RESTful APIs, and user interfaces aligned with enterprise architecture standards
• Collaborate with cross-functional teams to deliver high-quality, scalable solutions
• Database & Batch Processing
• Develop and optimize database queries and data models
• Support development and execution of batch processing applications for large-scale data operations
Testing & Quality Assurance
• Develop and execute unit test cases, leveraging AI-assisted tools to improve test efficiency and coverage
• Partner with QA teams to support system integration testing (SIT) and user acceptance testing (UAT)
• Troubleshoot and resolve defects across development and testing phases
Release & Production Support
• Support application deployment, release activities, and post-production validation
• Participate in production support, issue resolution, and continuous improvement initiatives
Continuous Improvement
• Adopt modern development practices including automation, AI-assisted development, and code optimization
• Ensure adherence to coding standards, security, and compliance requirements
• Minimum 10+ years of experience in full stack application development
Hands-on experience with:
• Java (Spring Boot preferred)
• Angular (frontend development)
• Relational databases (e.g., Oracle, SQL Server, MySQL)
• Experience with batch processing frameworks
• Understanding of software development lifecycle (SDLC) and agile methodologies
• Strong problem-solving and analytical skills