Java AI Fullstack Developer

Royal Cyber; Bengaluru; On-site; INR 1,800,000 - 3,800,000; Full time

Job summary

Royal Cyber is a trusted global IT consulting & digital transformation partner with over two decades of experience. We are hiring a Java AI Fullstack Developer to build scalable Java/Spring Boot microservices, Kafka data pipelines, and React-based front-ends in a fast-paced Agile environment.

The role requires strong Java backend, Kafka, React.js, REST APIs, and cloud/DevOps familiarity, with a focus on enterprise-grade solutions across multiple domains.

Qualifications

• Bachelor's degree in CS, Eng, or related field.
• 6+ years of professional software development experience.
• Strong backend with Java, Spring Boot, and Kafka.
• Experience building React.js front-ends and REST APIs.
• Distributed systems and microservices architecture knowledge.

Responsibilities

• Design, develop, and maintain Java/Spring Boot apps and microservices.
• Build RESTful APIs and backend services; integrate with Kafka data pipelines.
• Develop React.js front-ends and connect to Spring Boot APIs.
• Collaborate in Agile/Scrum teams; participate in code reviews and CI/CD.
• Ensure security, performance, and reliability of applications.

Skills

Java

Spring Boot

Kafka

React.js

REST APIs

SQL

Microservices

Docker

Kubernetes

AWS

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Jenkins

Maven/Gradle

Docker

Kubernetes

Job description

Dear Candidate,

We have Job opening for Java AI Fullstack Developer,

please find the detailed description below

Company Details :

Royal Cyber is a trusted global IT consulting & digital transformation partner, empowering enterprises for over two decades to evolve with agility, security, and innovation. Founded in 2002, Royal Cyber has built a strong legacy of helping organizations modernize legacy systems, embrace cloud-native technologies, and adopt AI-driven solutions. With 20+ years of delivering business-critical digital projects, we serve clients across USA, Canada, UK, UAE, KSA, India, Australia, and more with innovation hubs and delivery centers strategically located to support 24/7 operations. Global Presence: Headquartered in Naperville, IL (USA) Operations in 15+ countries 1,000+ certified consultants 1,000+ successful global deployments Fortune 500 client base across retail, banking, insurance, manufacturing, healthcare, and public sector What We Specialize In: Cloud Transformation & DevOps (Azure, GCP, AWS) Generative & Agentic AI (Enterprise-grade use cases powered by LLMs) Digital Commerce & CX Platforms (Salesforce, SAP Commerce, Adobe, Magento, Creatio, HubSpot, Commerce tools) Enterprise Integration & API Management (MuleSoft, Boomi, IBM) Hyper automation & Low Code Enablement (UiPath, Appian, Power Platform) Data Governance, Privacy & Security (Microsoft Purview, Zero Trust) Legacy Modernization & Mainframe Refactoring (COBOL to Java, Monolith to Microservices)Royal Cyber is on a journey to become the worlds most agile modernization partner blending innovation, strategy, and delivery excellence to accelerate enterprise evolution

Key Responsibilities
Design, develop, and maintain scalable Java/Spring Boot applications and microservices.
Develop and maintain RESTful APIs and backend services.
Build event-driven applications and data pipelines using Apache Kafka.
Develop Kafka producers/consumers and work with topics, partitions, consumer groups, offsets, and message processing.
Implement reliable and scalable asynchronous communication between microservices using Kafka.
Develop responsive and reusable UI components using React.js.
Integrate React.js front-end applications with Spring Boot REST APIs.
Work with databases such as PostgreSQL, MySQL, Oracle, or MongoDB.
Implement application security, authentication, authorization, and API security.
Write unit and integration tests using frameworks such as JUnit and Mockito.
Troubleshoot application, API, Kafka, and production issues and provide effective resolutions.
Participate in code reviews and ensure adherence to coding and architectural standards.
Collaborate with architects, business analysts, QA engineers, and other development teams in an Agile/Scrum environment.
Contribute to CI/CD pipelines and automated build/deployment processes.
Required Technical Skills

Backend:

Strong hands-on experience with Java 8/11/17+
Spring Boot, Spring MVC, Spring Data JPA
Microservices architecture
RESTful Web Services / APIs
Hibernate/JPA
Strong knowledge of OOP, Collections, Multithreading, Exception Handling, and Design Patterns

Kafka / Event Streaming:

Strong hands-on experience with Apache Kafka
Kafka Producers and Consumers
Topics, Partitions, Consumer Groups and Offsets
Event-driven architecture
Message processing and error handling
Kafka Streams is a plus
Experience troubleshooting Kafka performance/reliability issues is preferred

Frontend:

Strong hands-on experience with React.js
JavaScript / ES6+
HTML5 and CSS3
React Hooks, Components, State Management and REST API integration
Experience with Redux or similar state-management frameworks is preferred
Responsive UI development

Database:

Strong SQL knowledge
Experience with PostgreSQL / MySQL / Oracle
NoSQL experience such as MongoDB is a plus

DevOps / Cloud:

Git/GitHub
Maven/Gradle
Jenkins or other CI/CD tools
Docker/Kubernetes exposure
AWS or Azure experience is preferred
Preferred Skills
Experience developing high-volume, scalable distributed systems
Strong understanding of event-driven and microservices architecture
Experience with Kafka + Spring Boot integration
Experience with cloud-native applications
Exposure to Kubernetes and containerized deployments
Good understanding of application performance, logging, monitoring, and troubleshooting
Qualifications
Bachelors degree in Computer Science, Engineering, or a related field.
6+ years of professional software development experience.
Strong communication and problem-solving skills.
Ability to work independently as well as collaboratively in a distributed Agile team.
Key Skill Combination

Java + Spring Boot + Microservices + Apache Kafka + React.js + REST APIs + SQL

This combination should be treated as the core requirement, with particular emphasis on strong backend/Spring Boot and Kafka experience, along with hands-on React.js development

PS: Need someone who can join ASAP

If interested,

please send your updated profile along with following details -

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Your immediate reply is highly appreciable