Principal Engineer – Java Backend Engineering (Payments Platform)

About the role

Principal Engineer (Java Backend Engineering) on the Global Payment Product team, helping shape the future of global commerce at a major payments company. You will own end-to-end system design and delivery for Java-based payment services, applying design patterns, model-driven solution design, and production support while mentoring and influencing stakeholders across the organization. Based in Pune, India, in a hybrid work model.

What you’ll do

• Own knowledge of end-to-end systems development life cycles, including waterfall, iterative, and other modern software development approaches.
• Apply knowledge of software industry standards such as ISO, CMM, and Six Sigma.
• Apply in-depth knowledge of payment products and services within the assigned line(s) of business.
• Apply knowledge of e-commerce and POS payment practices, regulations, and operations within the assigned line(s) of business.
• Demonstrate in-depth understanding of design patterns and their application.
• Show fluency in developing and interpreting sequence diagrams, class models, and similar artifacts.
• Leverage model-driven design tools and techniques for solution design and requirements definition, including conceptual solution component models, business process models, and use cases.
• Provide outstanding verbal and written communication for technical and non-technical audiences at all organizational levels, and fulfill the role of teacher, mentor, and coach.

What you’ll bring

• Minimum 10 years of experience developing Java applications or services.
• Knowledge and hands-on experience with Java (preferably Java 17 and above), Spring, Spring MVC, Spring Boot, and RESTful Web services.
• Experience with SQL databases such as Postgres DB or MySQL, and NoSQL databases such as Cassandra or DynamoDB.
• Experience with message streaming frameworks like Apache Kafka or ActiveMQ.
• Knowledge and experience designing, developing, and maintaining microservices using the latest technologies.
• Experience developing, maintaining, and supporting services live in production.
• Experience using CI/CD environments for deployments.
• Experience with quality assurance tools such as SonarQube, BlackDuck, Checkmarx, or Snyk.

Skills