Work in Iowa Jobs

Job Information

Kelly Services Java Developer - Entry & Mid Level in Waterloo, Iowa

Kelly IT is hiring Entry & Mid Level Java Developers. For consideration, please email your updated resume to the recruiter at


Looking for someone with 3 or more years of experience. Would be open for an entry level candidate with the experience through school and is energetic and willing to learn.

Java Developer

Waterloo, IA - onsite immediately

Duration: 10/2021 - 10/2024

Rate: DOE

Role Description

This role is for a great Full-Stack Web Application developer who is proficient with React.js and Python. The role is responsible for maintaining an old desktop-based application (MS Access, VBA, SQL Server), and converting it into a scalable web-based application (React.js, AWS, Python).


  • Maintaining the old system (MS Access, VBA, SQL Server):

  • Troubleshooting VBA code and SQL Server stored procedures

  • Adding new functionality

  • Converting the old system into a web-based application

  • Developing new user-facing features using React.js, Redux, TypeScript

  • Developing RESTful API using AWS Lambda, Python, psycopg2

  • Developing Aurora PostgreSQL database

  • Maintaining existing and creating new desktop applications to automate SAP transactions using Python, tkinter, SAP Scripting, SAP HANA

  • Creating and Supporting Power BI reports

  • Performing data analysis using SQL

  • Maintaining existing and creating new Machine Learning scripts

  • Performing other duties as assigned


  • Experience with core front-end web technologies such as:


  • JavaScript, TypeScript

  • ReactJS, Redux

  • SPA (Single Page Application) pattern

  • Experience with back-end technologies such as:

  • RESTful APIs

  • Python, psycopg2

  • AWS (Lambda, API Gateway)

  • Familiarity with SQL databases: PostgreSQL and MS SQL Server

  • Experience automating SAP transactions using VBA, Python, SAP Scripting

  • Experience with developing Software programs via MS Access

  • Familiarity with GIT version control

  • Familiarity with Power BI

  • Familiarity with Data Analytics and Machine Learning

  • Ability to understand business needs and translate them into technical requirements

Why Kelly ® ?

By partnering with Kelly® Technology, you’ll have direct connections to top companies around the globe—giving you the chance to put your tech skills to work on some of today’s most intriguing, innovative, and high-visibility projects. In a world where change is the only constant, our unparalleled connections and IT market expertise help you take your skills exactly where you want to go. We’re here to help you gain experience, keep learning, and move your career forward.

About Kelly ®

At Kelly, we’re always thinking about what’s next and advising job seekers on new ways of working to reach their full potential. In fact, we’re a leading advocate for temporary/nontraditional workstyles, because we believe they allow flexibility and tremendous growth opportunities that enable a better way to work and live (plus, did we mention we provide a ton of benefits ?). Connecting great people with great companies is what we do best, and our employment opportunities span a wide variety of workstyles, skill levels, and industries around the world.

Kelly is an equal opportunity employer committed to employing a diverse workforce and providing accommodations for people with disabilities in all parts of the hiring process as required under its Employment Accommodation Policy. Kelly will work with applicants to meet accommodation needs that are made known to Kelly in advance.