React JS Developer

Title: Fullstack Developer [60% React / 40% Java]
Location: Bengaluru (5 Days WFO from Ascendion Office in Bellandur)
Interview Process: 3 Technical Rounds
Notice Period: Immediate Joiners Only

Required Skills:

• Strong Full Stack development experience with React.js (60%) and Java/Spring Boot (40%).
• Hands-on expertise in React.js, JavaScript (ES6+), Hooks, Redux (or equivalent state management), and building reusable, high-performance UI components.
• Experience developing mission-critical financial/payment applications, with a strong focus on delivering glitch-free, highly reliable user interfaces.
• Strong experience in Java/J2EE, Spring Boot, JPA/Hibernate, Microservices, and REST API development.
• Solid understanding of Spring Security, including API authentication and authorization.
• Experience building applications from scratch, including architecture, design, and implementation.
• Good knowledge of Design Patterns, their purpose, use cases, and practical implementation in scalable application design.
• Strong understanding of Java Concurrency and Executors Framework, including task execution, thread lifecycle, and asynchronous processing.
• Experience with Oracle/DB2, Apache Camel, Spring Batch, MQ/JMS/Kafka, and enterprise integration patterns.
• Proficient with Git, Maven, IntelliJ/Eclipse, Unix/Shell scripting, JUnit, Jest, and React Testing Library.
• Exposure to performance tuning, code quality tools (SonarQube, Black Duck), CI/CD, and secure coding practices.
• Understanding of banking, payments, transaction processing, settlement, accounting, and compliance-related systems.