Summary: This role supports the development and maintenance of integrations between Point of Sale systems and enterprise retail platforms, focusing on building and enhancing POS extensions, APIs, and integration components. Highlights: 1. Opportunity to be part of a large company in the digital sector worldwide 2. Promote an inclusive culture with career growth and development opportunities 3. Work closely with integration, QA, and functional teams 00068075811 * Date published **Mar 27 2026** * Location **Mexico City** **/** **Mexico** * Job category **Technology \& Engineering** * Work model **Hybrid** **We’re hiring!** At Cognizant we have an ideal opportunity for you to be part of one of the largest companies in the digital sector worldwide. A Great Place To Work where we look for people who contribute new ideas, experiencing a dynamic and growing environment. At Cognizant we promote an inclusive culture, where we value different perspectives providing career growth and development opportunities. Role Summary The Developer – Retail POS (Integration/Extensions) supports the development and maintenance of integrations between Point of Sale systems and enterprise retail platforms. This role focuses on building and enhancing POS extensions, APIs, and integration components under the guidance of senior developers and architects. The developer will work closely with integration, QA, and functional teams to ensure reliable data flow, stable store operations, and high quality delivery across retail environments. Key Responsibilities * Develop and support POS integration components (APIs, adapters, data mappings) to connect POS with enterprise systems such as ERP, OMS, Loyalty, Payments, Inventory, and Promotions under guidance from senior team members. * Implement POS extensions and customizations following defined design patterns, coding standards, and architectural guidelines. * Assist in unit testing and integration testing, support defect fixing during SIT/UAT, and validate changes across connected systems. * Help with troubleshooting integration issues by reviewing logs, analyzing payloads, and reproducing defects, escalating issues with clear details when required. * Maintain technical documentation for integrations and extensions (API details, mapping documents, configuration notes) and actively participate in code reviews and knowledge\-sharing sessions\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Core Technical Skills * Core Java (Java 8\+) – POS integration services and custom extensions * Spring Boot / Integration Frameworks – REST, async/event based integrations * Cloud \& Infrastructure: AWS, Azure or GCP \+ Dockers, Kubernetes * MariaDB / Relational Databases – Transactional and integration persistence * Retail POS Systems (COTS \+ Custom) – Oracle Xstore / Enactor / Custom Java POS * Middleware \& APIs – REST, JSON, message queues, enterprise integration patterns Language Requirements * Spanish (Mexican Spanish) – Mandatory * English – Mandator **Why Cognizant?** Improve your career in one of the largest and fastest growing IT services providers worldwide Receive ongoing support and funding with training and development plans Have a highly competitive benefits and salary package Get the opportunity to work for leading global companies We are committed to respecting human rights and build a better future by helping your minds and the environment We invest in people and their wellbeing. We create conditions for everyone to thrive. We do not discriminate based on race, religion, color, sex, age, disability, nationality, sexual orientation, gender identity or expression, or for any other reason covered. At Cognizant we believe than our culture make us stronger! Join us now! \#BeCognizant \#IntuitionEngineered Igualdad de Empleo y Política de Acción Afirmativa: Cognizant es un empleador que ofrece igualdad de oportunidades. Todos los solicitantes calificados recibirán consideración para el empleo sin distinción de sexo, identidad de género, orientación sexual, raza, color, religión, origen nacional, discapacidad, estado de veterano protegido, edad o cualquier otra característica protegida por la ley. **The Cognizant community:** We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive. * Cognizant is a global community with more than 300,000 associates around the world. * We don’t just dream of a better way – we make it happen. * We take care of our people, clients, company, communities and climate by doing what’s right. * We foster an innovative environment where you can build the career path that’s right for you. **About us:** Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry\-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ\-100 and one of Forbes World’s Best Employers 2025\) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws. If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com with your request and contact information. *Disclaimer:* *Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.* *Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.* d