WORLDPAC, a leader in the automotive aftermarket parts distribution industry, is looking for an experienced Senior Software Developer with strong IBM i platform expertise to join their technology team in Oakbrook Terrace, Illinois. This role offers the opportunity to work with legacy systems modernization while contributing to innovative software solutions that support the company's global operations and supply chain infrastructure. The Senior Software Developer will be responsible for designing, coding, testing, and maintaining high-performance applications on the IBM i platform using RPG, CL, and SQL. This position involves collaborating with cross-functional teams to analyze business requirements, develop technical specifications, and implement scalable solutions that enhance operational efficiency. The developer will also participate in system upgrades, database optimization projects, and integration initiatives that connect IBM i systems with modern technologies. Key responsibilities include writing clean, efficient code following best practices, troubleshooting production issues, and providing technical guidance to junior team members. The role requires maintaining documentation, participating in code reviews, and ensuring compliance with security standards and data integrity protocols. The successful candidate will work closely with business stakeholders to understand requirements and deliver solutions that align with organizational goals. Required qualifications include a bachelor's degree in Computer Science or related field and a minimum of five years of professional experience developing on IBM i platforms. Candidates must demonstrate proficiency in RPG IV, RPG Free Format, CL programming, and SQL database development. Strong analytical and problem-solving skills are essential, along with excellent communication abilities for working within collaborative team environments. Technical skills required include experience with IBM i operating systems, knowledge of modern development tools and methodologies, and familiarity with system integration concepts. Preferred qualifications include experience with web services, Java, or other modern programming languages, as well as understanding of supply chain or distribution industry systems. WORLDPAC offers a comprehensive benefits package including competitive salary, health insurance, retirement savings plans, and professional development opportunities. The company provides a supportive work environment that encourages continuous learning and career advancement. Team members have access to ongoing training programs and the chance to work with cutting-edge technologies in a stable, growing organization. Growth opportunities include advancement into technical leadership roles, specialization in emerging technologies, and participation in strategic projects that impact the company's future direction. WORLDPAC values innovation and provides resources for employees to expand their skills and contribute meaningfully to the organization's success.