Full Stack Java Developer

Quantum Technologies LLC; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Quantum Technologies. LLC is seeking a Senior Java Developer to design, build, and maintain Java/J2EE applications within a distributed microservices environment. You will collaborate with cross-functional teams to deliver scalable, robust solutions and mentor junior developers.

Qualifications include 5+ years of hands-on Java/J2EE, Spring Boot, REST APIs, and modern UI (Angular/React). You will optimize performance, participate in code reviews, and stay current with Java ecosystem trends.

Qualifications

• 5+ years of hands-on Java/J2EE development.
• Experience with Spring Boot and RESTful services.
• Proficient in SQL and relational databases.
• Strong problem-solving and communication skills.
• Familiarity with Agile software development methodologies.

Responsibilities

• Develop, maintain, and implement Java-based components, applications, and frameworks.
• Lead the design and architecture of Java-based solutions.
• Collaborate with other developers, designers, and system administrators to ensure all components of the project are properly integrated.
• Troubleshoot and resolve technical issues related to Java applications.
• Develop and maintain software documentation.
• Provide technical guidance and mentoring to junior developers.
• Keep up-to-date with the latest Java technologies and trends.
• Optimize existing code for better performance.
• Analyze existing code and implement necessary changes.
• Participate in code reviews and suggest improvements.

Skills

Java development

Spring framework

REST APIs

Microservices

UI frameworks (Angular/React)

Java/J2EE

Problem solving

Communication

Education

Bachelor’s or Master’s degree in CS/Engineering

Tools

Gradle

Maven

Git

Angular

React

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description :

• Develop, maintain, and implement Java-based components, applications, and frameworks.
• Lead the design and architecture of Java-based solutions.
• Collaborate with other developers, designers, and system administrators to ensure all components of the project are properly integrated.
• Troubleshoot and resolve technical issues related to Java applications.
• Develop and maintain software documentation.
• Provide technical guidance and mentoring to junior developers.
• Keep up-to-date with the latest Java technologies and trends.
• Optimize existing code for better performance.
• Analyze existing code and implement necessary changes.
• Participate in code reviews and suggest improvements.

Basic Qualifications :

• Bachelor’s or master’s degree in computer science, Engineering, or a related field.
• Core Java developer with 5+ years’ experience in developing, maintaining, and supporting software applications using Java/J2EE, Spring framework, and other related technologies.
• 5+ years hands-on experience in Java and J2EE technologies and well versed with features in Java 8 and above
• 5+ years’ of Experience in Spring Boot
• 5+ years’ of Experience in UI framework like Angular or REACT
• 5+ years’ of Hands on development background and recent experience developing and implementing Java based Web Services, primarily in a REST model.
• 5+ years’ of Experience building scalable and distributed micro-services.
• 5+ years’ of Experience with major open-source tools and frameworks such as Spring, Hibernate, Spring JPA

Additional experience required :

• Good understanding of Data structure and Algorithms
• Familiar with Agile software development methodologies
• 5+ years’ of Experience with build and development tools like Gradle and Maven
• 5+ years’ of Experience in using GIT projects.
• 5+ years’ of Experience with Linux / Unix environments.
• Excellent problem-solving skills and communication skills
• Good understanding of SQL and working with relational databases
• Proficient in Collections, Multi-Threading concepts and should be hands-on.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.