Demo

Java Full Stack Developer

A R Systems Inc.,
Jersey, NJ Contractor
POSTED ON 9/25/2026
AVAILABLE BEFORE 10/24/2026
Job Title: Java Full Stack Developer with Scala
Job Location: Jersey City, NJ (4 days/week for the first 3 months)
Job Type:12 Months contract W2
 
 
Position Highlights:
  • Core requirements: 5 years core Java, 2 years Scala or another functional language
  • Message-oriented middleware experience (Kafka, AMQP, MQ, AMPS, etc.) is close to a must-have
  • React or Angular helps
  • Spring Boot helps
  • Some database experience helpful, not a big priority
  • CI/CD: Jenkins
  • Source control: Bitbucket
  • Environment: on-prem only, no cloud/AWS
  • Individual contributor role, no hand-holding, needs someone self-sufficient
  • Banking/financial experience helps since this isn't a startup and the person needs to navigate orgs to get things done, but don't screen out a strong candidate for lacking it
Job Descriptions:
 
Skilled JAVA developer
  • 5 years professional experience developing solutions with core Java
  • Message-oriented-middleware (Kafka, AMQP, MQ, AMPS, etc.) experience
  • As part of an Agile team, the candidate will work with users to refine requirements, design and develop high-quality and scalable systems, and assist users during the QA/UAT process. This is a hands-on, technical position with the expectation that a majority of the candidates time will be spent on active development tasks.
Requirements
Non-negotiable
  • 5 years professional experience developing solutions with core Java
  • 2 years professional experience developing solutions with Scala or other functional language
  • Experience writing Unit Tests and Acceptance/Behavior Tests
  • Ability to deliver quality code on timely basis
  • Strong data structure, algorithm and problem solving skills
  • Experience and desire to work in an Agile environment (pair programming, daily stand-ups, etc.)
  • Demonstrable knowledge of problem domain at previous employments
  • Experience working on a team, sharing code base with continuous integration
  • Willing to participate in production support rota
  • Experience working in Linux/Unix environment
Nice to have
  • Message-oriented-middleware (Kafka, AMQP, MQ, AMPS, etc.) experience
  • Distributed systems experience
  • Web Application development (JavaScript, AngularJS, Bootstrap, etc.)
  • REST API design and development
  • DDD/CQRS/Event sourced systems experience
  • Relevant industry (banking middle/back office) experience
  • Experience in scripting languages (Bash, Python, etc)
  • Experience with automated deployment technologies (Ansible, Puppet, Chef, Docker, etc.)
  • Experience with 3rd party Scala libraries and frameworks (Scalactic, Scalatra, Akka, RxScala, TypeLevel libraries, etc.)
  • Understanding of Category Theory

Hourly Wage Estimation for Java Full Stack Developer in Jersey, NJ
$56.00 to $68.00
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