We are looking for two Backend Software Engineers (Junior to Middle level) to join a cross-functional squad on the Payments Platform.
This is a hands-on execution role: designing, building, testing and operating payment services with clean, maintainable Java code, applying SOLID principles and design patterns, and handling sensitive financial data securely.
The engineer works closely with business experts, UX/UI designers and the infrastructure/delivery teams, owning the quality and reliability of what they ship in production.The client is building its new Payments Platform: a modular, cloud-native backend that connects customer experience, business and technology across every market in the region.
The platform drives conversion (frictionless and one-click checkout, local payment methods and currencies, intelligent retry of failed authorizations), operational efficiency (smart routing of each transaction to the processor with the best success/cost ratio, automated reconciliation and chargeback handling) and new revenue models (subscriptions, recurring payments, BNPL, and a loyalty wallet enabling hybrid miles + money payments).
Design backend services and REST APIs for the Payments Platform using Java and Spring BootDevelop and maintain backend services with clean, testable, and maintainable codeApply SOLID principles and established design patterns in software developmentImplement unit, integration,



and contract tests to support software qualityApply secure coding practices for API security and safe handling of payment and customer dataCollaborate with infrastructure and delivery teams on CI/CD pipelinesDeploy and operate services in a cloud environment with attention to scalability, security, and resilienceMonitor production performance and resolve incidents proactivelyParticipate in Agile ceremonies including daily stand ups, sprint planning, and retrospectivesDocument technical solutions and share knowledge with the team2+ years of professional backend development experience with JavaHands on experience with Spring Boot building production servicesSolid understanding of SOLID principles and common design patternsExperience designing and consuming REST APIsExperience with automated testing including unit and integration testingKnowledge of SQL and relational databasesExposure to Google Cloud and GKEFamiliarity with Git based workflows and CI/CD conceptsFluency in Spanish and intermediate English for documentation and international collaborationExperience with contract testingExperience with PostgreSQLAwareness of API security and secure handling and transfer of sensitive dataExposure to cloud platforms, containers, and microservicesFamiliarity with event driven systems such as Pub Sub or Kafka
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📌 Java Developer With Spring Boot (Monterrey)
🏢 DataArt
📍 Monterrey