Sr. Java Developer

Chicago, IL, us February 25, 2026 Contract

Collaborate with a team of application specialists supporting our client’s enterprise financial applications.
Develop and unit test REST based web services between Applied Payment and Account Receivable systems
Translate business requirements into code in compliance with defined development standards including all code documentation.
Organise and prioritise work, be proactive, take initiative, resolve problems, follow through, and simultaneously manage multiple priorities to ensure goals are met in a timely manner.
Participate in cross training and knowledge sharing of best practices within and outside of the team.
Promote team work and effective communication. Foster mutually beneficial working relationships with all internal and client team members.
Drive best practice, quality and consistency within the design and development phases of application development.
Write well designed, testable, efficient code.

Local candidates ONLY!!!
Must be able to be hired in 6 months!!!
Must possess excellent verbal and written communication skills.
MUST POSSESS RECENT DESIGN EXPERIENCE!!! NO EXCEPTIONS!

Requirements:

Good understanding of of RESTful Web Service Design and Development
Object Oriented Design
JBOSS Web/Application Server
JUnit Testing framework
Passion for well tested and clean code
Proven track record; self-starter with strong programming skills
Should have led projects from technical/architecture point of view.
Exposure to different design patterns/concepts and can drive design discussions.
Strong hands on experience using Jersey, Log4j, Commons Logging, Logback and Spring frameworks
Familiarity with Object Relational Mapping (ORM) frameworks – Hibernate, JPA, etc…
JDBC
Experience with markup languages such as JSON, XML, etc…
Java Exception Handling
Java Annotations
Maven
Strong understanding of HTTP Protocols (various methods such as GET/POST/DELETE/PUT etc…)
Experience with Eclipse IDE
Experience using REST client-side tools such as Postman, SoapUI and others

Additional Skills:

Must be good communicator and capable of working issue and discussing requirements with end users.
Must be able to anticipate and proactively handle issues
Must be excellent at personal task management and follow through.

Bonuses

Minimum 8-10 years of experience developing Java applications
Intermediate/Advanced knowledge of how to read/write complex SQL queries
Intermediate/Advanced knowledge of Stored Procedures (read/write)
Familiarity with version control systems: SVN and/or CVS (GIT is a plus)
Familiarity with continuous integration concepts

All your information will be kept confidential according to EEO guidelines.