Java developer Jobs in Elgin, IL

A prestigious tech company is seeking a skilled Software Engineer to join their Interview Experience team within Recruiting Products, part of the larger People Products pillar under Enterprise Engineering. This role involves contributing to the company's hiring infrastructure that supports hundreds of thousands of interviews annually. The engineer will work with cutting-edge AI technologies and collaborate closely with cross-functional partners to guide products through the entire development lifecycle, from ideation to launch, directly impacting how the company discovers and hires top talent globally.

Responsibilities

• Develop and enhance AI-powered interviewing tools and automation systems that optimize the company's hiring infrastructure - Implement frontend experiences using React and related frameworks to create intuitive user interfaces for recruiters, interviewers, and candidates - Build and maintain backend services supporting interview scheduling, AI transcription / summarization, and automation workflows - Collaborate with AI / ML teams to integrate GPT-4o and other AI technologies for interview feedback automation and quality improvements - Work with cross-functional partners including Product Managers, Designers, and Data Scientists to deliver end-to-end product experiences - Leverage AI-powered development tools including Cursor, Claude Code, and Devmate to accelerate development velocity - Contribute to the expansion of interview transcription capabilities and implementation of AI quality checker systems - Support autonomous scheduling improvements and candidate-driven experiences that reduce manual coordinator interventions - Write clean, maintainable code following the company's engineering best practices and participate in code reviews - Debug and resolve technical issues across the interview experience stack to maintain system reliability ## Qualifications
• Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience - 4+ years of software engineering experience with object-oriented programming languages such as Java, C++, or C# - Experience with scripting languages including Python, PHP, or JavaScript - Proficiency with frontend frameworks such as React, Vue, or similar modern JavaScript frameworks - Experience collaborating with cross-functional teams in fast-paced, iterative development environments - Strong problem-solving skills and ability to work independently on complex technical challenges - Excellent communication skills and ability to work effectively in a team-oriented environment Preferred Qualifications : - Experience working with AI-powered development tools such as Cursor, Claude Code, Devmate, or similar AI coding assistants - Familiarity with GraphQL and modern API design patterns - Experience with React ecosystem including Relay for data fetching - Knowledge of AI / ML technologies and experience integrating language models (GPT-4o, Claude, etc.) into production applications - Experience building scalable web applications and distributed systems - Background in recruiting technology, HR systems, or enterprise productivity tools - Experience with the company's internal frameworks and development tools - Demonstrated experience shipping products through the complete development lifecycle from ideation to launch - Experience with interview scheduling systems, automation platforms, or workflow management tools - Knowledge of privacy-aware development practices and data handling for recruiting systems Pursuant to the California Fair Chance Act, Los Angeles County Fair Chance Ordinance for Employers, Los Angeles Fair Chance Initiative for Hiring Ordinance, and San Francisco Fair Chance Ordinance, qualified applicants will be considered for assignment with arrest and conviction records. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, meet client expectations, standards, and accompanying requirements, and safeguard business operations and company reputation. ## About Cincinnatus Cincinnatus is an enterprise staffing company that partners with leading technology companies to source and employ highly skilled professionals for full-time and long-term contingent roles. Cincinnatus serves as the employer of record for these engagements, providing W-2 employment, payroll, benefits, and compliance, while placing employees directly within client teams to work on high-impact initiatives. Roles hired through Cincinnatus are not project-based or freelance engagements. They are structured, role-based positions that typically involve full-time or fixed-term commitments, close collaboration with a client's internal teams, and integration into standard enterprise workflows. Cincinnatus is a legal entity separate from Mercor. While opportunities may be discovered through Mercor's platform, employment, onboarding, payroll, and benefits for these roles are administered by Cincinnatus. ## Equal Employment Opportunity Cincinnatus is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or any other legally protected characteristic. Cincinnatus is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans throughout the job application process.