Job Title: Senior Java Developer
Location: Blue Ash, Ohio
Type: Direct Hire
Contractor Work Model: Hybrid – onsite and remote

Responsibilities
• Work in a Scrum team, focusing on enhancing current applications, reducing risk, ensuring compliance, and promoting agility and innovation.
• Collaborate with Business Analysts, Subject Matter Experts, and team members to design new applications and modify existing ones.
• Introduce, architect, and advance automation practices focusing on testing, building, and deployment.
• Evaluate and recommend application software packages, integration tools, testing tools, and full-stack technologies.
• Define and enforce system architecture standards, API contracts, service boundaries, and integration patterns.
• Make technical design decisions, including technology selection, service decomposition, data flow strategies, and integration approaches.
• Conduct architecture and design reviews to ensure alignment with platform scalability and direction.
• Serve as escalation point for complex design issues, balancing performance, maintainability, and speed.
• Mentor team members on design principles, architectural patterns, and best practices.

Requirements
• Full-stack software development experience using modern, open-source technologies (Java, React, Go preferred).
• Extensive SQL experience, especially with PL/SQL and Oracle technologies.
• Proficient in managing Linux & Windows environments.
• Willingness to learn new tools and technologies.
• 7+ years of progressive software development experience, with at least 2 years in a leadership or architecture role.
• Bachelor’s Degree in computer science or equivalent technical experience.
• Ability to work independently and in teams, demonstrating technical leadership and collaboration skills.
• Excellent communication skills across technical and non-technical audiences.
• Experience with containerization (Docker) and cloud platforms (Azure & AWS).
• Proven experience leading technical design, creating architecture documentation, and guiding development teams.
• Ability to evaluate build-vs-buy decisions and present trade-offs effectively.
• Experience in establishing engineering standards, code reviews, and development workflows.
• Familiarity with architectural patterns such as event-driven design, microservices, or domain-driven design (preferred).

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #861-Cincinnati-S1