Senior Java Backend Engineer jobs in Naperville

E-Solutions

Randstad Engineering Solutions is looking for a Software Engineer with experience with front and back end Android development in Java to join our team working on large tractor display systems for a client in Burr Ridge IL. Required Skills - Java, Android, CAN Job Duties - Research, design, write, de

The Short Scoop: Join a growing, privately held technology company with a strong in-house engineering team building software that supports real-world, mission-critical environments and is trusted by customers for decades. This is an excellent opportunity for a junior developer who enjoys working on

Early Warning Services

Technical Leader Position At Early Warning, we've powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle, Paze?, and so much more. This position is a hands-on, individual contributor technical leader involved in setting the standards ensuing exce

Kemper

A leading insurance provider is seeking a Senior Software Developer in Chicago, Illinois to provide technical support and lead projects in software development. Applicants should have over 8 years of experience and strong knowledge of Java, Spring Boot, cloud development practices, and advanced tech

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Join the Credit Engineering group and partner with Product and Credit Risk to solve complex challenges on how to protect consum

Job Title: IT Software Engineer 4 (Java) Location: Chicago, IL 60603 (Onsite) Hire Type: Contract (10 months) Shift: Core Hours 8:00 am to 4:00 pm; Occasionally early morning or late evening meetings with global teams. Required Education: Bachelor's degree in computer science, software engineering,

The exciting world of scientific research is fueled by people with a passion for solving complex problems. At Cayuse, we are committed to our customers' success by empowering organizations to conduct globally connected research that advances their impact on science, discovery and society. We build o

We are seeking a highly experienced IT Software Engineer with strong expertise in Java and AWS to design, develop, and support scalable cloud-native applications. This is a hands-on role with a focus on backend development, microservices architecture, and distributed systems. Key Responsibilities: D

Early Warning Services

At Early Warning, we’ve powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle®, Paze℠, and so much more. As a trusted name in payments, we partner with thousands of institutions to increase access to financial services and protect transactions f

Required Experience • 12+ years of backend development experience, with strong expertise in Java • Proven experience in a Tech Lead or Lead Developer role • Experience with AI integration or modernization initiatives • Experience with cloud platforms (AWS, Azure, GCP) • Experience with high-volume m

DataAnnotation

A leading AI development firm is seeking proficient programmers to assist in advancing AI systems. This fully remote role allows you to choose projects and set your own schedule, offering competitive pay up to $60/hour based on performance. Key responsibilities include designing coding problems for

Software Guidance & Assistance

Requirements Must have: - Proficient in core Java and backend development - Minimum of 5 years of relevant experience - Experience in Core Java and Multithreading within the industry - Ability to write clean, modular, and production-ready code - Capable of developing application modules and conducti

About The Job Did you know Hopper's technology powers some of the largest travel portals in the world? Our Hopper Technology Solutions (HTS) platform drives travel purchases for major global brands — from banks to airlines to fintech leaders. This platform is essentially a configurable, multi-tenant

Procyon TS

Position Description Education & Experience: • A degree is required. • 6+ years of experience as an SDET/Automation Engineer. Technical Skills (Required - Must Have): 1. Back-end/API Automation (6+ yrs): Rest Assured, Java, Spring Boot. Must have experience with RESTful APIs, Postman, and Swagger. 2

TeamBradley

A dynamic technology company is seeking a Junior Java Software Engineer to design and develop client/server and web-based applications. The role requires 1-3 years of software development experience with a solid foundation in Java. Responsibilities include enhancing user-facing applications and coll

Category/Area of Expertise: IT & Technology Job Requisition: 491376 Address: USA-IL-Chicago-300 South Riverside Plaza Store Code: Sltns Dvlpmnt-Engmnt-Mrkt & Dipla (5167803) Ahold Delhaize USA, a division of global food retailer Ahold Delhaize, is part of the U.S. family of brands, which includes fi

A company is looking for a Java Software Engineer. Key Responsibilities Develop applications using Java 8/JEE, Angular 2+, React.js, SQL, Spring, HTML5, CSS, JavaScript, and TypeScript Write scalable, secure, maintainable code and create, deploy, and maintain automated system tests Collaborate with

A leading technology company is seeking a Senior Software Engineer to develop and support applications across multiple cloud environments, particularly AWS. The ideal candidate will have over 6 years of software development experience with expertise in Python and Go. Responsibilities include designi

SynergisticIT

Are you passionate about coding or technology and ready to make your mark in tech? For more than 14 years , SynergisticIT has been helping aspiring developers like you excel in the tech industry. We focus on equipping you with the skills and experience needed to not only secure a job but to thrive i

Adyen

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with oppo