Principal Java Engineer - Nabserv

ABOUT THE JOB As a Principal Engineer, you will design and implement a modern integration landscape using domain‑driven design and frameworks like BIAN. You will map the business domain to define scalable, flexible microservices and interfaces. You will lead the transition of legacy microservices into a cohesive architecture aligned with the NAB Microservices Taxonomy. You will guide teams to build features within the correct microservices to prevent unnecessary service growth and maintain consistency. You will oversee the full microservices lifecycle and provide direction on consolidating services to align with business capabilities. Main ResponsibilitiesArchitect and implement scalable, maintainable microservices using domain‑driven design, defining bounded contexts and ensuring loose coupling across services.Develop and lead modernization plans for legacy microservices, including system assessment, dependency analysis, and phased migration strategies.Guide project teams in designing and delivering business features within the correct microservices, driving component reuse and domain alignment.Oversee the end‑to‑end microservices development lifecycle, ensuring adherence to engineering best practices across design, build, test, and deployment.Design resource‑oriented APIs and apply integration patterns such as REST, event‑driven architecture, and queue‑based communication.Manage and align stakeholders—including senior leadership, RTEs, architects, and development teams—by communicating architectural rationale, deviations, and risks.Establish and enforce architectural governance through standards, policies, automation, and regular reviews.Mentor and coach senior engineers, promoting best practices and fostering a culture of continuous learning.Prioritize customer and colleague needs by gathering feedback and driving value‑focused architectural solutions.Automate governance processes by creating reusable enterprise patterns and integrating them into build pipelines to ensure consistency and scalability.Fulfil other tasks as assigned by your People Leader and/or authorized representative of NAB Vietnam from time to time.