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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** Randstad - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Salary:** $113,610.0 - $134,410.0 - **Contract:** Contract - **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Big Data, Bioinformatics, Program Optimization, Profiling, Software Debugging, Software Design Patterns, Distributed Systems, Java Platform Enterprise Edition (J2EE), Apache Hadoop, Java Database Connectivity, Object-Oriented Software Development, Performance Tuning, Software Engineering, SQL Databases, Multithreading, Enterprise Software Applications, Spring-boot, Parallel Computation, Information Technology, In-memory Data Grids - **Published:** August 7, 2026 - **Apply:** https://www.randstadusa.com/jobs/4/1342807/senior-java-developer_jersey-city/ ## About the Role Agile development environment,Hadoop,AI,data-intensive applications,distributed computing,enterprise applications,in-memory data grids,Computer Science,core Java,Java,JDBC,J2EE,multithreading,object-oriented design,parallel computing,performance tuning,profiling tools,performance profiling,memory optimization,SQL,debugging,design patterns,application development,Spring Boot,analytical skills,communication skills,coordinate,Creative thinker,strong leadership,problem-solving,independently,financial markets,technical design,innovative,banking industry,performance improvement ## Description job summary: 10+ years of experience in core Java/J2EE application development and object-oriented design Strong expertise in multithreading, collections framework, JDBC, and Java profiling tools. Proficiency with frameworks such as Spring and Spring Boot. Experience with performance tuning of data-intensive applications. Demonstrated expertise in performance profiling, memory optimization, and performance improvement. Strong coding, debugging, and analytical skills Solid understanding of design patterns. Experience implementing large-scale enterprise applications. Creative thinker with a proven track record of delivering innovative, technology-based solutions. location: Jersey City, New Jersey job type: Contract salary: $54.62 - 64.62 per hour work hours: 8am to 5pm education: Bachelors responsibilities: * 10+ years of experience in core Java/J2EE application development and object-oriented design * Strong expertise in multithreading, collections framework, JDBC, and Java profiling tools. * Proficiency with frameworks such as Spring and Spring Boot. * Experience with performance tuning of data-intensive applications. * Demonstrated expertise in performance profiling, memory optimization, and performance improvement. * Strong coding, debugging, and analytical skills * Solid understanding of design patterns. * Experience implementing large-scale enterprise applications. * Creative thinker with a proven track record of delivering innovative, technology-based solutions. qualifications: Excellent problem-solving and communication skills. Experience with in-memory data grids and parallel computing. BS/MS in Computer Science, Engineering, or a quantitative discipline. Knowledge of financial markets and the banking industry. Experience with cloud or distributed computing in an Agile development environment. Experience leveraging AI tools (e.g., Copilot) in daily tasks. Demonstrates a strong, hands-on background in technical design and analysis. Able to manage assigned tasks independently. Exhibits strong leadership and communication skills to effectively coordinate with team members and stakeholders and drive deliverables from initiation through completion. Java, SQL, Hadoop, AI skills: Agile development environment,Hadoop,AI,data-intensive applications,distributed computing,enterprise applications,in-memory data grids,Computer Science,core Java,Java,JDBC,J2EE,multithreading,object-oriented design,parallel computing,performance tuning,profiling tools,performance profiling,memory optimization,SQL,debugging,design patterns,application development,Spring Boot,analytical skills,communication skills,coordinate,Creative thinker,strong leadership,problem-solving,independently,financial markets,technical design,innovative,banking industry,performance improvement Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status. At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com. Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility). This posting is open for thirty (30) days. , * 10+ years of experience in core Java/J2EE application development and object-oriented design * Strong expertise in multithreading, collections framework, JDBC, and Java profiling tools. * Proficiency with frameworks such as Spring and Spring Boot. * Experience with performance tuning of data-intensive applications. * Demonstrated expertise in performance profiling, memory optimization, and performance improvement. * Strong coding, debugging, and analytical skills * Solid understanding of design patterns. * Experience implementing large-scale enterprise applications. * Creative thinker with a proven track record of delivering innovative, technology-based solutions. ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Build ultra-fast In-Memory Database Apps and Microservices with Java ](https://www.wearedevelopers.com/videos/405-build-ultra-fast-in-memory-database-apps-and-microservices-with-java) - [Profiling Symfony & PHP apps with Blackfire](https://www.wearedevelopers.com/videos/265-profiling-symfony-php-apps-with-blackfire) - [Java Meets AI: Empowering Spring Developers to Build Intelligent Apps](https://www.wearedevelopers.com/videos/1554-java-meets-ai-empowering-spring-developers-to-build-intelligent-apps) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Enhancing Workload Security in Kubernetes](https://www.wearedevelopers.com/videos/356-enhancing-workload-security-in-kubernetes) ## Related Articles - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Java Basics](https://www.wearedevelopers.com/magazine/122-java-basics) - [6 Reasons to Use Java For Your Next AI Project](https://www.wearedevelopers.com/magazine/111-6-reasons-to-use-java-for-your-next-ai-project) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025)