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Kelly Services JAVA Developer (Entry level & experienced) in Waterloo, Iowa

Kelly Services is seeking a JAVA Developer for one of our leading clients.

* If this position may be interested to you, please email me back at (with your most up to date resume in word format) and advise the best time and number at which you can be reached **

Job Title: JAVA Developer

Location: Waterloo, IA, 50703 (This position will work onsite immediately)

Type: ONLY on W2 contract (NO C2C)

Length: 3 year

Pay Rate – $51- $83.87 per hour (based on the experience)

Note: We do sponsor new H-1B and transfer H-1B

Entry Level- $45 -$51 per hour

Experienced- $58 - $83.87 per hour

1st shift position. Start time is flexible between 5 am and 8:30 am. Overtime is possible depending on workload.

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

Manager prefers candidates with at least 3 years of working experience with these products. Interviews will be conducted via MS Teams. The position will work onsite immediately. Business casual dress code, will need metatarsal shoes for the first day. May drive a Comapny owned Gator on the shop floor after completing training.

Soma Patanaik

IT Recruiter



Phone no- (425) 866-6202

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.