Lead Software Engineer (Java Full stack developer)

expertise, B&MI helps businesses make smarter, more informed decisions that drive profitability and success. We turn complex data into actionable strategies that lead to better outcomes and sustained competitive advantage. We are currently looking for a ‘Lead Software Engineer’ for Payment Reconciliation Intelligence Program, within B&MI group, to design scalable architecture and lead development of the new business requirements for product used by global B2B customers. Role and Responsibility As a Lead SDE you will design, develop and lead full-stack Java scalable applications with React or Angular as the frontend. • Act as senior most engineers in the team to determine everything from design choices to technical standards, such as platforms and coding standards. • Design and implement software aligned with Mastercard’s Enterprise Architecture and services. Write high-quality, maintainable code that meets business needs and adheres to timelines. • Collaborate with cross functional teams - Product teams to understand the requirements, define product, identify solution, propose ideas and provide technical thought leadership. • Provide detailed cost and time estimates, define technical scope and requirements, and assist project managers in managing scope throughout the project lifecycle. • Ensure system design supports zero downtime in production. • Address operational and business concerns to ensure consistent delivery of quality services. • Lead highly focused team of engineers with an eye on innovation and AI adoption -All About You- Education and professional experience Bachelor's or Master's degree in Information Technology, Computer Science, Engineering, or a related discipline. Strong verbal and written communication skills with the ability to collaborate effectively across multiple organizational levels. Around 9 years of work experience in the software engineering role. Technical Expertise Strong proficiency in Java 17+, Spring Boot, Spring Framework, Hibernate, and modern database technologies including Oracle, SQL Server, Postgre SQL, Redis, Mongo DB, and Elasticsearch. Proven experience designing, developing, and leading applications built on microservices-based architectures. Hands-on experience with messaging and event-driven platforms such as Kafka, Rabbit MQ, AWS SQS, or other cloud-native messaging solutions. Front-end development experience using React JS (16+) or Angular (14+). Experience designing and developing APIs using Open API specifications and RESTful best practices. Strong working knowledge of HTML, Java Script, Node.js, UNIX shell scripting, Python, and Groovy scripting. Understanding of modern application security, scalability, resiliency, and performance engineering practices. Tools & Methodologies Proficiency with build and dependency management tools such as Maven and Gradle. Experience with automation and configuration management tools including Chef and Ansible. Hands-on experience with Jenkins, Sonar Qube, CI/CD pipelines, and Agile software development methodologies. Strong understanding of release management practices including Canary, Blue-Green, and Rolling deployments. Infrastructure & Cloud Extensive experience with public cloud platforms (AWS, Azure, or GCP) and cloud-native application development. Strong expertise in containerization and orchestration technologies including Docker, Kubernetes, and Open Shift. Deep understanding of Dev Ops practices, infrastructure automation, deployment strategies, and operational excellence in cloud environments. Exposure to monitoring and observability tools such as Splunk, ELK Stack, and related logging platforms. AI & Emerging Technologies Exposure to Generative AI and Large Language Model (LLM) based solutions, including integrating AI services through APIs and leveraging AI-assisted development tools such as Git Hub Copilot and enterprise AI platforms. Familiarity with AI-driven application patterns such as Retrieval-Augmented Generation (RAG), intelligent workflows, agentic solutions, and prompt engineering concepts for enterprise applications. Good to have Skills Experience working across multiple programming languages such as Java, Scala, C#, and Python. Familiarity with workflow orchestration and automation platforms including Netflix Conductor, Apache Airflow, Camunda, and N8N. Knowledge of Open Telemetry and distributed tracing concepts. Familiarity with business rules engines such as Drools and Easy Rules. Strong understanding of cryptographic concepts including PKI infrastructure, hashing, encryption, consensus algorithms, and virtual machine architectures. Experience with Infrastructure as Code (Ia C) and infrastructure automation frameworks. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard’s security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines. Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.