Senior Software Engineer

Together we make breakthroughs possible. At OCLC, we build technology with a purpose: to connect libraries and make knowledge accessible worldwide, because we believe that what is known must be shared. Our teams work with complex global datasets, AI and machine learning, hybrid cloud solutions, and other technologies that connect people and organizations to the information they need. We value the power of unique perspectives and experiences to unlock innovation. At OCLC, your ideas matter, whether you have two years of experience or 20. You’ll learn, create, and problem-solve with technologists, product developers, librarians, researchers, marketing pros, and support teams around the world. Why join OCLC? OCLC is consistently recognized as a best place to work by several independent programs. We recognize and reward people and results with a comprehensive Total Rewards package. This means competitive compensation that reflects your unique contributions—performance, experience, and skills—along with exceptional benefits, including best-in-class health coverage, retirement plans with generous company contributions, and a commitment to your overall well-being. We know the best ideas don’t always happen at a desk. Take a walking meeting around our 100-acre campus or enjoy lunch on the patio. We’re committed to your success—both personally and professionally. Hybrid work environment: For many roles, three days a week on-site, with occasional additional days based on business needs. Free use of our on-site fitness center, gym sports, group exercise classes, and game room Onsite catering and cafeteria subsidized by OCLC Health and wellness events Work environments with individual and team spaces and the latest technology tools Paid parental leave and adoption assistance Tuition reimbursement and Public Service Loan Forgiveness eligibility Company-subsidized pricing on local tickets and memberships Join us in transforming how people everywhere access information and be part of a mission-driven team that makes a global impact. The job details are as follows: Access Checker is a green-field service within OCLC focused on harvesting and evaluating the accuracy of eResource links at large scale—helping libraries identify access issues earlier and improving the reliability of knowledge discovery for end users. This role is for a senior software engineer who enjoys owning meaningful parts of a system end-to-end, working across a larger ecosystem, and helping a team adopt an AI-first approach to design and development—both in how we build software and how we use ML/LLMs to improve performance and accuracy. You’ll join a small, geographically dispersed team that’s encouraged to be independent, drive direction, and collaborate closely to deliver high-quality software that integrates across large sections of the OCLC codebase with a fully CI/CD approach. Responsibilities: Own and deliver key components of the Access Checker system—from design through implementation, testing, and production support. Build and evolve a high-throughput link harvesting and evaluation pipeline that is efficient and reliable at scale. Design solutions that minimize impact on other systems (performance, isolation, resource usage) while integrating cleanly across OCLC. Lead technical discussions and contribute to architectural decisions, balancing speed, quality, and long-term maintainability. Mentor and guide junior engineers through pairing, feedback, and code/design reviews; help raise the bar for engineering practices. Help the team become AI-first: adopt AI-assisted development workflows and lead thoughtful use of ML/LLMs to achieve the required levels of evaluation quality, efficiency, and maintainability. Conduct code reviews and uphold code quality standards (testability, readability, observability, and operational readiness). Qualifications: Bachelor’s degree in computer science or related discipline, or equivalent work experience. 5+ years of software development experience delivering production systems. Strong programming skills in Java/Spring, with solid software engineering fundamentals (design, testing, debugging, performance). Experience designing and delivering services/systems that operate reliably under real-world constraints (scale, latency, cost, availability). Ability to lead, influence, and mentor; helping others deliver high-quality work. Preferred / nice to have Experience applying ML/LLMs in production environments, at scale. Programming experience with React and Python for UIs and automated testing Experience with database systems and data-intensive workflows. Experience integrating AI tools, frameworks, and concepts into the software development process. Experience working in large codebases or platform ecosystems with multiple dependencies. Working Conditions: Normal office environment. ADA/EAA: The above statements cover what are generally believed to be the principal and essential functions of this job. Specific circumstances may allow or require some people assigned to the job to perform a somewhat different combination of duties. Don't see a role that fits just yet? Send your resume to our Talent Acquisition Team for future opportunities! Who we are: We are a non-profit global technology company that develops innovative services for libraries. Together with member libraries, we connect people to the resources they need to learn and grow, and ultimately, to transform the world. We connect libraries to other libraries, making their work more efficient and effective. Our large-scale, high-performance cloud computing services enable libraries to share data, work, and resources to save money and better serve their communities. What we do: We are dedicated and passionate about libraries—and helping them change lives. Our goal is to provide innovative technologies for every library to help them meet the demands of a rapidly changing digital world. Our success depends on our ability to deliver new, high-quality features and stable, scalable solutions for libraries. Live our values: New ideas. Open dialog. Hard work. Recognition. Purpose. We offer a dynamic, fulfilling work environment that is productive, collaborative, innovative—and fun. We are consistently rated among the top employers within Central Ohio and across the IT landscape. There is a strong, team-based culture where everyone is appreciated and focused on common goals. You will make a difference. OCLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. If you are interested in applying for employment with OCLC and need special assistance or an accommodation to apply for a posted position, contact our Human Resources Department at +1-614-764-6000 or email at hr@oclc.org