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Build and maintain large-scale fintech web apps in Java/Spring, designing core extensions and collaborating with product teams to deliver secure, high-performance features.
Build and optimize Java-based microservices for scalable backend systems, troubleshooting performance and collaborating with stakeholders.
Build and maintain Java-based software modules, write unit tests, and integrate code for a large telecom product team.
Build and maintain Java-based microservices and APIs using Spring Boot, Domain-Driven Design, and Docker, following Agile/Scrum practices.
Build and maintain Java-based enterprise systems, write unit tests, and collaborate with analysts to deliver business solutions using Spring Framework.
Build and maintain web applications using Java and .NET, research new tech, and collaborate in a team under project management.
Builds e-commerce, crypto exchange, insurance, asset management, logistics, and travel/hospitality systems using Java and JavaScript.
Build and maintain Java-based enterprise applications with a focus on security, scalability, and performance, using Spring, REST APIs, and cloud tools.
Builds and maintains Java-based microservices for a logistics platform using Spring Boot, focusing on transport-related features and system security.
Build and maintain a Java/Spring Boot backend with React frontend, focusing on data visualization, mining algorithms, and AWS microservices while mentoring junior developers.
Build and optimize Java-based back-end services with Spring Boot and front-end apps using Angular/ReactJS.
Builds backend features and internal frameworks in Java, using Vert.X, Kafka, and reactive programming, while maintaining code quality and project timelines.
Builds backend payment systems in Java using Spring Boot, Hibernate, and cloud infrastructure; designs databases and integrates with Kafka, Redis, and NoSQL.
Build and optimize Java-based web systems for clients using Spring, Hibernate, and SQL databases; refactor code and apply clean-code practices.
Leads a Core Java team, designing and architecting solutions while ensuring quality delivery within tight deadlines.
Build and maintain Java-based middleware services with Spring Boot, ReactJS frontends, and ensure security compliance while troubleshooting production issues.
Build and maintain backend services in Java, design frameworks from scratch, and collaborate on API development using Spring and SQL in a fast-paced Hanoi office.
Build and maintain eCommerce platforms using Java/J2EE, Spring, Hibernate, and web services; collaborate in agile teams to deliver user-friendly retail systems.
Build and maintain Java-based backend services for a fintech platform, using Spring, Kafka, Cassandra, and cloud technologies while leading a team.
Develops Java-based banking, finance, and insurance applications using Spring, Hibernate, and REST/SOAP services; writes, tests, and reports code for enterprise projects.
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