React JS Developer

Ascendion Engineering; Bengaluru; On-site; INR 1,500,000 - 2,200,000; Full time

Job summary

Ascendion Engineering is hiring a Fullstack Developer for a 60% React and 40% Java role based in Bengaluru. The position requires hands-on experience with React.js, Java/Spring Boot, and building mission-critical financial applications. You will work on scalable UI components, microservices, REST APIs, and secure design patterns.

The role involves WFO five days from the Ascendion office in Bellandur. Interview process includes 3 technical rounds and immediate joiners are preferred.

Qualifications

• Strong Full Stack development experience with React.js and Java/Spring Boot.
• Hands-on expertise in React.js, JavaScript (ES6+), Hooks, Redux, and building reusable UI components.
• Experience developing mission-critical financial/payment applications with focus on glitch-free, reliable UIs.
• 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 and practical implementation in scalable design.
• Strong understanding of Java Concurrency and Executors, async 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 systems.

Skills

React.js

Java/Spring Boot

JavaScript (ES6+)

Hooks

Redux

REST API development

Microservices

Spring Security

Design Patterns

Java Concurrency

Glitch-free UI

Front-end/Back-end integration

Financial/payment applications

Tools

Git

Maven

IntelliJ/Eclipse

Unix/Shell scripting

JUnit

Jest

React Testing Library

SonarQube

Black Duck

CI/CD

Oracle/DB2

Apache Camel

MQ/JMS/Kafka

Job description

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.