**Company Description:** El Puerto de Liverpool is the leading department store company in Mexico. WITH OVER 170 YEARS IN THE MARKET, we focus on facilitating product selection and delivering the best service to Mexican families, aiming to exceed expectations regarding quality, fashion, value, and customer care within a pleasant environment. **We operate five business units:** Liverpool Department Stores, Suburbia Department Stores, Galerías Shopping Centers, Boutiques, and Financial Services—forming a solid enterprise that offers its employees financial stability and the pride of belonging to a 100% MEXICAN COMPANY. OUR MISSION IS TO SERVE OUR CUSTOMERS EVERYWHERE, EVERY DAY, FOR LIFE; our vision is to be the top choice for service, assortment, and value. Our values guide us toward teamwork, productivity, innovation, and integrity. **Job Mission:** You will serve as the primary contact for sellers and understand their needs; based on this understanding, you will make decisions and implement technically oriented solutions. **Job Responsibilities:** 1. Ongoing communication with sellers. 2. Identification of processes requiring automation to improve efficiency. 3. Using Postman, you will explain APIs and their functionality to sellers. 4. You will generate test materials to demonstrate to sellers, enabling them to begin development. 5. Monitoring and supporting sellers throughout our joint processes, identifying errors and improvement opportunities to implement solutions. **Requirements:** Bachelor’s degree in Computer Systems Engineering, Computer Science, or Information Technology (completed) English level B1 (proficiency test required) Intermediate Postman proficiency Basic knowledge of JSON / XML Basic knowledge of TXT / CSV files Familiarity with Google Sites (desirable) Effective and assertive communication skills Knowledge of data structures Collaborative work experience **Offer Conditions:****Benefits:** * Medical insurance * Training programs and courses * Medical insurance * Product discounts * Grocery vouchers * Flexible working hours * Birthday leave * Additional vacation days