Senior Full Stack Java/Python Developer

Apex Systems; Jersey City (NJ); On-site; USD 91,000 - 94,000; Full time

Job summary

Everforth Apex Systems seeks a Senior Full Stack Java/Python Developer to design, build, and support enterprise-scale applications in Jersey City, NJ (on-site). The role emphasizes integrating model context protocol services, AI/LLM capabilities, REST APIs, and data pipelines, collaborating across engineering, data, and operations teams.

The ideal candidate has a Bachelor’s degree in CS/IT and at least 10 years of experience with Java, Python, Angular, React, and modern data platforms.

Qualifications

• Bachelor's degree or related field required.
• Minimum 10 years of software engineering experience in enterprise-scale environments.
• Strong proficiency in Java and Python with experience in frontend frameworks.

Responsibilities

• Design, develop, and maintain enterprise applications using Java, Python, Angular and React.
• Build and integrate model context protocol services, AI/LLM capabilities, REST APIs and event-driven architectures.
• Develop scalable ETL/ELT data pipelines using PySpark, SQL and Python.

Skills

Java

Python

Angular

React

TypeScript

JavaScript

HTML5

CSS3

RESTful APIs

Microservices

CI/CD

SQL optimization

Git

Linux

Windows

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Tools

Snowflake

Vertica

ClickHouse

SingleStore

Containers

Job description

## Job Description# Senior Full Stack Java/Python DeveloperApply**Job#: 3056785****Job Description:**Senior Full Stack Java/Python Developer**Location:** Jersey City, New Jersey (On-site)Role OverviewAn experienced Senior Full Stack Developer is required to design, build, and support enterprise-scale applications, data platforms, and artificial intelligence-enabled solutions. This position focuses on the integration of model context protocol services, large language models, application programming interfaces, and cloud-native architectures. The successful candidate will collaborate closely with engineering, data, and development operations teams to drive technical excellence and mentor team members.Key Responsibilities* Design, develop, and maintain enterprise applications using Java, Python, Angular, and React.* Build and integrate model context protocol services, artificial intelligence/large language model capabilities, REST application programming interfaces, and event-driven architectures.* Develop scalable extract, transform, load, and data pipelines using PySpark, SQL, and Python.* Design responsive and intuitive user interfaces using modern frontend frameworks.* Deploy and support applications in container environments with continuous integration and continuous deployment pipelines.* Troubleshoot production issues, optimize performance, and drive operational excellence.* Collaborate with engineering, data, and system teams while participating in architecture reviews.Required Qualifications**Education:** Bachelor's degree in Computer Science, Information Technology, or a related technical field.**Experience:** Minimum of 10 years of software engineering experience within complex, enterprise-scale environments.**Technical Skills:** Advanced proficiency in Java and Python, combined with hands-on experience using Angular, React, TypeScript, JavaScript, HTML5, and CSS3. Strong background in building RESTful APIs, microservices, and utilizing data platforms such as Snowflake, Vertica, ClickHouse, or SingleStore. Practical experience with SQL optimization, containers, Git, and continuous integration/continuous deployment practices in both Linux and Windows environments.Preferred Qualifications* Experience designing enterprise user interface applications and reusable component libraries using Redux, NgRx, Material UI, or Bootstrap.* Prior experience working within high-volume, data-intensive, or regulated financial services environments. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [e-mail] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Location:** Jersey City, NJ, US**Job Type:****Date Posted:** October 21, 2026**Pay Range:** $66 - $68 per hour