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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.
Java Software Developer
Location
Germany
Posted
77 days ago
Salary
$80 - $110 / hour
Seniority
Mid Level
Job Description
Java Software Developer
Mercor
Role Description - Develop and enhance AI-powered interviewing tools and automation systems to optimize the 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. - Leverage AI-powered development tools including Cursor, Claude Code, and Devmate to accelerate development velocity. - Support autonomous scheduling improvements and candidate-driven experiences that reduce manual coordinator interventions. Qualifications - Must-Have: - 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. - Strong problem-solving skills and ability to work independently on complex technical challenges. - Preferred: - 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. Requirements - Hourly contractor - Paid weekly via Stripe Connect Application Process - Upload resume - AI interview based on your resume - Submit form Resources & Support - For details about the interview process and platform information, please check: Interview Process Details - For any help or support, reach out to: support@mercor.com - Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.
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