Senior Software Engineer (Direct Hire/FTE)

Location: Columbus, OH (Hybrid Schedule)

Employment Type: Full-Time, Direct Hire (FTE)

Work Authorization: Must be authorized to work in the United States without sponsorship.

Important Requirements

• Candidates must currently reside in the Columbus, OH area.
• This is a hybrid position requiring regular onsite presence.
• No C2C, third-party agencies, subcontractors, or visa sponsorship available.
• Direct hire opportunity only.

About the Opportunity

Our client is seeking a Senior Software Engineer to lead the technical design, architecture, and development of the next generation of the EZproxy platform. This role will play a critical part in modernizing a legacy C-based application into a scalable, secure, and modern access management solution serving more than 6,000 libraries worldwide.

The ideal candidate combines strong hands-on software engineering expertise with technical leadership, system modernization experience, and a passion for building high-quality enterprise applications. This individual will help drive architectural decisions, mentor engineers, and contribute to the long-term evolution of a highly visible and globally utilized platform.

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Key Responsibilities

• Lead the technical design, architecture, and development of EZproxy NextGen and related platform initiatives.
• Utilize industry-standard programming techniques to translate business requirements and architectural designs into scalable, maintainable code, with a strong emphasis on Java and modern application development practices.
• Drive the modernization of a legacy C-based application, transforming it into a secure, scalable, cloud-ready access management platform.
• Evaluate and leverage AI-assisted development tools and emerging AI technologies to improve engineering productivity, accelerate modernization efforts, and identify opportunities for future AI-driven platform capabilities.
• Analyze and solve complex technical challenges within existing systems while identifying opportunities for architectural, performance, scalability, and operational improvements.
• Design, develop, test, and deploy high-quality software components and services while maintaining strong standards for security, reliability, maintainability, and performance.
• Collaborate with cross-functional stakeholders to develop, refine, and interpret business and technical requirements.
• Follow established SDLC processes, quality standards, and engineering best practices while continuously identifying opportunities for process improvement.
• Lead architectural reviews, technology assessments, and long-term platform modernization planning efforts.
• Evaluate and implement third-party technologies and solutions, ensuring alignment with business goals, technical requirements, scalability needs, and long-term maintainability.
• Plan and participate in load, scalability, reliability, and performance testing initiatives.
• Support production environments by troubleshooting and resolving complex application, infrastructure, and customer-impacting issues.
• Mentor and provide technical leadership to development team members, promoting engineering excellence and best practices.

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Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline.
• 5+ years of professional software development experience, including significant experience with Java and enterprise application development.
• Strong ability to read, understand, debug, and develop software written in C, with demonstrated experience supporting or modernizing legacy applications.
• Deep understanding of networking concepts and protocols, including:
  • TCP/IP
  • DNS
  • HTTP/HTTPS
  • SSL/TLS
  • Proxy technologies
  • Authentication and access management solutions
• Experience with:
  • Object-Oriented Design (OOD)
  • RESTful APIs
  • Spring Framework
  • JavaScript
  • React
  • Modern web application architectures
• Experience working with Linux/UNIX and Windows environments.
• Experience with relational databases such as PostgreSQL, MySQL, or Oracle.
• Knowledge of unit testing, integration testing, performance testing, and CI/CD practices.
• Excellent analytical, problem-solving, communication, and collaboration skills.
• Demonstrated ability to balance hands-on development, technical leadership, architecture, and operational support responsibilities.

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Preferred Qualifications

• Experience with cloud platforms, containerization technologies, and modern software delivery practices.
• Experience leveraging AI-assisted development tools and emerging AI technologies within software engineering workflows.
• Experience designing and supporting large-scale enterprise applications.
• Prior experience leading modernization, migration, or platform transformation initiatives.
• Proven mentoring and technical leadership experience.

By submitting to this position, you are agreeing to be included in our talent pool for future hiring for similarly qualified positions.