# Software Engineer II **Company**: Mastercard **Location**: Pune, India **Experience**: mid **Job type**: full-time **Category**: Engineering **Industry**: Finance **Apply**: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Pune-India/Product-Manager---Technical-II_R-293237?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply **Canonical**: https://yubhub.co/jobs/job_9a114718-b3f ## Description Mastercard is seeking a Software Engineer II to join the Transaction Stream team. The team delivers next-generation Core Payment capabilities for Mastercard using modern digital architecture, cloud-native principles, event-driven technologies, and a Scaled Agile delivery framework. As a Software Engineer II, you will contribute to the delivery and quality of payment-processing capabilities across highly integrated systems. You will apply strong payments domain knowledge and technical expertise to understand business requirements, analyse transaction flows, validate end-to-end system behaviour, and ensure capabilities work effectively across the broader payment ecosystem. Responsibilities: - Contribute to the design, delivery, validation, and quality of Transaction Stream and Mastercard payment-processing capabilities. - Apply strong functional and technical domain knowledge to understand requirements, solution designs, transaction flows, and expected system behaviour. - Translate business and technical requirements into end-to-end functional scenarios, integration scenarios, expected outcomes, and validation coverage. - Perform hands-on functional and end-to-end integration validation across interconnected systems, applications, APIs, services, and payment-processing platforms. - Analyse complex payment transaction flows across authorization, advice, reversal, clearing, and related payment-processing lifecycle scenarios. - Validate system behaviour across upstream and downstream components to ensure solutions function correctly across integration boundaries. - Analyse ISO payment messages, application logs, system responses, APIs/interfaces, and data flows to troubleshoot functional and integration issues. - Identify software defects, functional gaps, integration issues, dependencies, and potential customer impact through detailed analysis of system interactions and transaction behaviour. - Work closely with Software Engineering, Product, Business, Architecture, and dependent application teams to investigate issues and drive them to resolution. - Support defect investigation and root-cause analysis by tracing transactions across multiple applications and identifying the component or integration point associated with unexpected behaviour. - Contribute to automation, utilities, frameworks, and self-service tooling that improve validation coverage, repeatability, efficiency, and engineering productivity. - Participate in requirement walkthroughs, solution and design reviews, code/implementation discussions, and release-readiness activities, providing an end-to-end payments and integration perspective. - Analyse production issues and customer-reported scenarios to reproduce problems, identify gaps, and contribute to improvements in application quality and resilience. - Support continuous improvement of engineering practices, integration coverage, observability, troubleshooting approaches, and overall software quality. - Collaborate effectively with globally distributed Engineering, Product, Architecture, Business, and dependent technology teams in an Agile delivery environment. Requirements: - Bachelor's or master's degree in Computer Science, Information Technology, Engineering, or equivalent practical experience. - Experience working with complex transactional platforms, payment-processing systems, or highly integrated enterprise applications. - Strong knowledge of the cards and payments domain, including transaction lifecycle, message flows, processing rules, and system interactions. - Hands-on knowledge of authorization, advice, reversal, clearing, and related payment-processing flows. - Working knowledge of payment messaging standards such as ISO 8583 and ISO 20022. - Strong experience in functional, system, and end-to-end integration validation across distributed applications and interconnected systems. - Ability to translate business and technical requirements into functional scenarios, transaction flows, integration scenarios, expected outcomes, and validation coverage. - Strong analytical and troubleshooting skills with the ability to investigate complex issues across multiple applications, services, and integration points. - Ability to analyse transaction messages, application logs, APIs/interfaces, system responses, and data to understand application behaviour and isolate issues. - Familiarity with payment simulation or transaction-generation tools such as T3 or equivalent tools. - Good understanding of modern software architecture, including microservices, APIs, cloud platforms, event-driven architecture, caching, and persistence technologies. - Familiarity with CI/CD pipelines, source-control practices, automated validation, and modern software delivery processes. - Working knowledge of Java, Spring Boot, APIs, SQL, scripting, or similar technologies to support application analysis, troubleshooting, automation, and integration validation. - Experience developing or contributing to automation, utilities, test harnesses, API-based validation, or engineering tools that improve quality and delivery efficiency is preferred. - Understanding of software engineering principles, including debugging, defect analysis, root-cause analysis, maintainability, reliability, and observability. - Strong communication and collaboration skills with the ability to work across Engineering, Product, Business, Architecture, and dependent technology teams. - Comfortable working in an Agile software delivery environment. ## Skills ### Required - Java - Spring Boot - APIs - SQL - scripting - ISO 8583 - ISO 20022 - microservices - event-driven architecture - cloud platforms - CI/CD pipelines - source-control practices - automated validation ### Nice to have - T3 - payment simulation - transaction-generation tools - automation - utilities - test harnesses - API-based validation - engineering tools --- Source: [Apply at mastercard.wd1.myworkdayjobs.com](https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Pune-India/Product-Manager---Technical-II_R-293237?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)