Motion Recruitment | Jobspring | Workbridge

Senior Java Engineer / Full time in Willowbrook, IL

Willowbrook, Illinois

Onsite

Full Time

$100k - $130k

A Willowbrook, IL-based veteran-owned company is seeking a Senior Java Engineer to reinforce and enhance its suite of real-time applications used in security environments, including defense, critical infrastructure, and nuclear security. This role is central to the company's mission of modernizing legacy systems with a focus on performance, scalability, and reliability.

This is a full-time, onsite position (5 days/week) where you’ll work alongside a small, dedicated team of engineers. It’s a great opportunity for a developer who thrives in collaborative environments and wants to see their work make a direct impact in industries like telecom and fintech.

Required Skills & Experience:
• 5+ years of professional Java development experience
• Strong understanding of multithreading and real-time data streaming
• Bachelor’s degree in computer science or a related field
• U.S. Citizenship is required 

Preferred Qualifications:
• Experience in telecom, fintech, or other real-time system environments
• Background in security-sensitive industries
• Familiarity with Svelte or modern frontend framework

What You Will Be Doing 

Tech Breakdown
• 100% Java on the Backend 
• 20% Svelte on the Frontend 

Daily Responsibilities 
• 80% hands-on coding and system design / 20% leadership responsibilities
• Building and strengthening real time applications with a goal of modernization 
• Collaborating with a small and close team 

The Offer 
• Competitive salary + potential for bonus 
• Stock Options 
• Medical, Dental, and Vision Insurance 
• PTO 

Applicants must be currently authorized to work in the U.S. on a full-time basis now and in the future.

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Posted by: Lam Tru

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