Temporary Java Developer Startup Jobs in New Jersey

Lead Full Stack Developer

3x onsite Pennington, NJ

Must work W2 cannot provide sponsorship!

Description

Position Summary

We are seeking an experienced Java Architect / Senior Java Developer to lead design and development efforts for the Environmental & Social Business Advisory Portal. This role requires strong technical expertise in Java, full-stack development, database optimization, and containerization, along with leadership skills and the ability to collaborate across geographically distributed teams.

Required Skills

• 10+ years of experience in Java development (Java 8 or higher preferred)

• Hands-on experience with Spring Boot, Spring MVC, and Spring Batch

• Strong Core Java skills

• Experience in building REST APIs (JAX-RS/Swagger/YAML)

• Experience in Web Services (JAX-RPC or JAX-WS)

• Working knowledge of security protocols – OAuth 2

• Knowledge of XML Schema and Processing Technologies (Parsers, JAXB, XSLT, etc.)

• Good understanding of Core Java Patterns and J2EE Design Patterns (Adapters, Business Objects, Delegates, Service Locator, Singleton, DAO, DTO)

• Experience with Apache and Tomcat

• Experience with Horizon tool set (Bitbucket/Jenkins/Artifactory/Ansible)

• Knowledge of build tools and processes like Maven, Ant, and others

• Working knowledge of test automation using SOA Test, Litmus, etc.

• Knowledge of Unix/Linux Shell Scripting

• Containerization experience (Docker, Kubernetes, or similar)

• Full-stack development experience with strong hands-on coding skills

• Database expertise: Oracle SQL/PLSQL, schema design, query optimization, performance tuning

• Ability to troubleshoot and optimize complex queries and stored procedures

Required Qualifications & Soft Skills

• Highly organized and self-motivated with the ability to prioritize projects and meet deadlines

• Excellent communication and influencing skills

• Ability to coordinate and lead geographically spread teams

• Participate in Scrum calls and effectively communicate progress

• Collaborate with other developers to achieve better solutions to key design problems

• Demonstrated experience with design, development, research, and problem-solving

• Excellent interpersonal skills; positive attitude; team player; flexible

• Willingness to learn and adapt to changes and technologies

Nice to Have

• Experience with PEGA / Appian / Camunda

• Experience with messaging systems – MQ/Kafka

Skills

Java, Springboot, Microservices, Api, Angular, Agile, Spring

Top Skills Details

Java,Springboot,Microservices,Api,Angular,Agile

Additional Skills & Qualifications

Two potential openings on Legal Ops side- Public Policy team and integration work with Vendor Systems

Experience Level

Expert Level

This is a Contract position based out of Pennington, NJ.

The pay range for this position is $70.00 - $75.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a hybrid position in Pennington,NJ.

This position is anticipated to close on Jul 15, 2026.

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.