Senior Java Software Engineer (+ Postilion) 1 day ago - Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from NIR-YU Role: We are seeking a highly skilled Java Developer with strong expertise in Core Java and object-oriented programming. The ideal candidate will possess solid debugging and analytical abilities, with a good understanding of payment systems or switch domain technologies like Postilion being a plus. Responsibilities: Develop and maintain applications using Core Java Utilize strong OOP principles and multithreading techniques Debug and analyze complex systems Work with SQL Server for database operations Integrate and utilize Collection APIs and handle exceptions efficiently Understand and enhance existing product functionality Leverage Postilion SDK if applicable Required Skills: Strong Object-Oriented Programming skills Multithreading and Exception handling expertise Good knowledge of SQL Server Familiarity with Collection APIs Experience with Postilion or similar switch systems (mandatory) Nice to Have: EMV (Europay, MasterCard, and Visa) knowledge Hands-on experience with POS devices (e.g., Verifone, Ingenico) Python experience is a plus Join us in redefining your future: Apply today! NIR-YU is proud to be an equal opportunity and affirmative action employer. We are committed to building a diverse workforce and providing equal employment opportunities regardless of race, creed, color, religion, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related conditions, criminal histories, or any other legally protected basis. Additional Details: Seniority level: Not Applicable Employment type: Full-time Job function: Engineering and Information Technology Industries: Software Development, IT System Custom Software Development, IT Services and Consulting Referrals can increase your chances of interviewing at NIR-YU by 2x. Get notified about new Java Software Engineer jobs in Latin America . Location: Bogota, D.C., Capital District, Colombia - 1 week ago Salary: R$10,000.00-R$11,000.00 - 2 weeks ago #J-18808-Ljbffr