CGI Bogota, D.C., Capital District, Colombia Join or sign in to find your next job Join to apply for the AS400 Developer - Senior role at CGI CGI Bogota, D.C., Capital District, Colombia Join to apply for the AS400 Developer - Senior role at CGI Get AI-powered advice on this job and more exclusive features. Join CGI! Do you want to be part of one of the world’s top five IT and business consulting companies? At CGI, we are hiring an AS400 Mainframe Developer to work on an international project. Requirements: - Technical, technologist, or bachelor degree in IT, Software Engineering, or related fields. - Conversational English (B2 or higher). - Over 7 years of extensive experience with AS400/Mainframe systems. - Expert knowledge in RPG (including RPG free-form), COBOL, CL, DB2, and other AS400/Mainframe technologies. - Proven experience with the IBMi operating system and administration. - Advanced SQL and database optimization skills. - Experience in performance tuning and system optimization. - Strong analytical and problem-solving skills. - Experience leading technical projects or development teams. - Solid experience with AS400 RPGLE/SQL DB2, including working with and consuming web APIs. - Methodical and analytical approach to solving complex problems. - Proven troubleshooting skills, especially in identifying and resolving performance issues and bottlenecks. - Ability to apply knowledge in designing scalable, maintainable, and secure solutions. Responsibilities: - Develop and maintain applications on AS400/Mainframe systems. - Write, test, and debug programs in RPG, CL, and COBOL. - Design and maintain DB2 databases and files. - Implement batch processing jobs and interactive applications. - Detect and resolve system issues. - Optimize existing applications to improve performance and reliability. - Create and maintain technical documentation. - Participate in system update and maintenance activities. Nice to have: - Knowledge of .NET development. - Experience in modernizing legacy applications. - Familiarity with web services, APIs, and integration patterns. - Experience with RDi (Rational Developer for i). - Knowledge of modern DevOps practices applied to legacy systems. Complementary skills: - Recognized as a technical authority in AS400/Mainframe development. - Strong leadership and communication skills. - Proven track record of successful project delivery. - Ability to translate complex business requirements into technical solutions. - Proactive approach to identifying and solving technical challenges. - Deep understanding of business processes and systems integration. Apply now! Your future duties and responsibilities Required Qualifications To Be Successful In This Role Together, as owners, let’s turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction. Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team—one of the largest IT and business consulting services firms in the world. Seniority level - Seniority level Mid-Senior level Employment type - Employment type Full-time Job function - Job function Engineering and Information Technology - Industries IT Services and IT Consulting Referrals increase your chances of interviewing at CGI by 2x Sign in to set job alerts for “Senior Software Engineer” roles. 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