Senior Java Developer

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
Job Type & Location
This is a Contract position based out of Pennington, NJ.
Pay and Benefits
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)
Workplace Type
This is a hybrid position in Pennington,NJ.
Final date to receive applications
This position is anticipated to close on Jul 15, 2026.

About TEKsystems

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.

About TEKsystems and TEKsystems Global Services

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…