Senior Java Full Stack Developer

Quantum Technologies LLC; Salt Lake City (UT); On-site; USD 108,000 - 154,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced Senior Java Developer in Salt Lake City to design, develop, and maintain enterprise-level applications. The role focuses on Java backend development, API integration, and cloud readiness.

Ideal candidates will have strong Java skills, PostgreSQL experience, and familiarity with AWS, OAuth2/OpenAM, and CI/CD practices. This contract position offers diverse project exposure and collaboration across cross-functional teams.

Qualifications

• Strong experience in Java and enterprise application development.
• Hands-on experience with PostgreSQL.
• Experience with AWS cloud services.
• Knowledge of EJB, JSF, and REST APIs.
• Experience with OAuth2 and OpenAM.
• Familiarity with CI/CD pipelines and development best practices.

Responsibilities

• Design, develop, and maintain scalable Java applications.
• Build and integrate RESTful APIs and backend services.
• Work with PostgreSQL databases and optimize queries.
• Develop and maintain enterprise applications using Java technologies.
• Implement authentication and authorization using OAuth2 and OpenAM.
• Collaborate with cross-functional teams to deliver quality solutions.
• Participate in code reviews, testing, and deployment activities.

Tools

Java

PostgreSQL

AWS

EJB

JSF

REST APIs

OAuth2

OpenAM

CI/CD pipelines

Job description

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

Job Title: Senior Java Developer
Location: Salt Lake City, UT
Duration: 12 Months Contract
Bill Rate: $95/hr
Job Type: C2C, W2 ,1099
Client: To be disclosed later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

We are looking for an experienced Senior Java Developer to design, develop, and maintain enterprise-level applications. The ideal candidate should have strong experience in Java development, backend technologies, database management, and cloud environments.

Key Responsibilities:

• Design, develop, and maintain scalable Java applications.
• Build and integrate RESTful APIs and backend services.
• Work with PostgreSQL databases and optimize queries.
• Develop and maintain enterprise applications using Java technologies.
• Implement authentication and authorization using OAuth2 and OpenAM.
• Collaborate with cross-functional teams to deliver quality solutions.
• Participate in code reviews, testing, and deployment activities.

Required Skills:

• Strong experience in Java and enterprise application development.
• Hands-on experience with PostgreSQL.
• Experience with AWS cloud services.
• Knowledge of EJB, JSF, and REST APIs.
• Experience with OAuth2 and OpenAM.
• Familiarity with CI/CD pipelines and development best practices.

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.