Java Kafka - Senior Engineer

Iris Software Inc.; Dadri; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Iris Software Inc. is a leading IT services company in India, offering growth and ownership through its EVP. This role focuses on building scalable Java microservices and APIs, with Kafka messaging, Hibernate integration, and modern Spring Security stacks.

You will mentor junior developers, drive secure coding practices, and contribute to end-to-end delivery from design to deployment on enterprise-grade systems.

Qualifications

• Extensive experience with Core Java, Spring Boot and microservices.
• Strong knowledge of API design using REST and messaging with Kafka.
• Experience with Hibernate and Java 17+.
• Experience with OAuth2 and JWT in Spring Security.
• Familiarity with CI/CD (GitLab/GitHub/Bitbucket) and Maven.
• Ability to mentor juniors and drive best practices.

Responsibilities

• Design and develop scalable enterprise applications using Core Java, Spring Boot, and Microservices architecture.
• Define API contracts, service boundaries, and integration strategies for distributed and enterprise-grade systems.
• Develop reusable backend components and enterprise services following clean architecture and secure coding practices.
• Optimize application performance through caching, asynchronous processing, database tuning, and JVM optimization.
• Own end-to-end delivery of assigned modules including design, development, testing support, and deployment readiness.
• Conduct code reviews ensuring adherence to coding standards, security guidelines, and engineering best practices.
• Collaborate with cross-functional teams and stakeholders to translate business needs into technical solutions.
• Design event-driven architectures and asynchronous communication mechanisms to improve system scalability and resilience.
• Drive improvements in CI/CD pipelines, logging, monitoring, and deployment automation to improve operational efficiency.
• Troubleshoot production issues and performance bottlenecks by performing detailed root cause analysis and implementing sustainable fixes.
• Mentor junior developers on coding standards, debugging techniques, and modern Java development practices.

Skills

Java

Spring Boot

Microservices

REST APIs

Hibernate

Kafka

OAuth

JWT

JVM optimization

Tools

Maven

GitLab

GitHub

Bitbucket

Job description

Job Description:

Why Join Iris?

Are you ready to do the best work of your career at one of India's Top 25 Best Workplaces in IT industry? Do you want to grow in an award-winning culture that truly values your talent and ambitions? Join Iris Software - one of the fastest-growing IT services companies - where you own and shape your success story.

About Us

At Iris Software, our vision is to be our client's most trusted technology partner, and the first choice for the industry's top professionals to realize their full potential.

With over 4,300 associates across India, U.S.A, and Canada, we help our enterprise clients thrive with technology-enabled transformation across financial services, healthcare, transportation & logistics, and professional services.

Our work covers complex, mission-critical applications with the latest technologies, such as high-value complex Application & Product Engineering, Data & Analytics, Cloud, DevOps, Data & MLOps, Quality Engineering, and Business Automation.

Working with Us

At Iris, every role is more than a job - it's a launchpad for growth.

Our Employee Value Proposition, "Build Your Future. Own Your Journey." reflects our belief that people thrive when they have ownership of their career and the right opportunities to shape it.

We foster a culture where your potential is valued, your voice matters, and your work creates real impact. With cutting-edge projects, personalized career development, continuous learning and mentorship, we support you to grow and become your best - both personally and professionally.

Curious what it's like to work at Iris? Head to this video for an inside look at the people, the passion, and the possibilities. Watch it here.

Job Description

Mandatory Skills: Microservices + REST APIs, Java 17+, Hibernate, Kafka, Kafa Connectors, KaaS (Kafka as a Service), Spring Boot + Spring Security (Oauth), Spring Boot + Spring Security (JWT)

Key Responsibilities:

• Design and develop scalable enterprise applications using Core Java, Spring Boot, and Microservices architecture.
• Define API contracts, service boundaries, and integration strategies for distributed and enterprise-grade systems.
• Develop reusable backend components and enterprise services following clean architecture and secure coding practices.
• Optimize application performance through caching, asynchronous processing, database tuning, and JVM optimization.
• Own end-to-end delivery of assigned modules including design, development, testing support, and deployment readiness.
• Conduct code reviews ensuring adherence to coding standards, security guidelines, and engineering best practices.
• Collaborate with cross-functional teams and stakeholders to translate business needs into technical solutions.
• Design event-driven architectures and asynchronous communication mechanisms to improve system scalability and resilience.
• Drive improvements in CI/CD pipelines, logging, monitoring, and deployment automation to improve operational efficiency.
• Troubleshoot production issues and performance bottlenecks by performing detailed root cause analysis and implementing sustainable fixes.
• Mentor junior developers on coding standards, debugging techniques, and modern Java development practices.

Behavioral Competencies:

• Demonstrates strong technical ownership in delivering complex development activities with high-quality execution.
• Collaborate effectively with cross-functional teams and business stakeholders for seamless delivery.
• Drives engineering excellence through code reviews, automation, performance optimization, and defect prevention.
• Apply strong analytical and problem-solving skills to resolve complex technical and production issues.
• Mentor junior developers on coding standards, debugging techniques, and engineering best practices.
• Communicates effectively with technical and non-technical stakeholders on risks, dependencies, and delivery progress.
• Demonstrate adaptability and continuous learning toward evolving technologies and engineering practices.
• Maintains strong attention to detail in architecture, code quality, security, and performance optimization.
• Takes initiative in developing reusable frameworks, automation, and process improvement initiatives.
• Balances technical excellence with business priorities by delivering scalable and maintainable solutions.

Mandatory Competencies

Middleware - API Middleware - API (SOAP, REST)

Middleware - API Middleware - Microservices

Programming Language - Java - Java Multithreading

Programming Language - Java - OOPS Concepts

Programming Language - Java - Java 17 or latest

Programming Language - Java - Hibernate

Middleware - Message Oriented Middleware - Messaging (JMS, ActiveMQ, RabitMQ, Kafka, SQS, ASB etc)

DevOps/Configuration Mgmt - DevOps/Configuration Mgmt - GitLab,Github, Bitbucket

Development Tools and Management - Development Tools and Management - Maven

Database - Oracle - PL/SQL Packages

Programming Language - Java - Design Patterns

Middleware - Java Middleware - Springboot

Programming Language - Java - Spring Framework

Beh - Communication and collaboration

Perks and Benefits for Irisians

Iris provides world-class benefits for a personalized employee experience. These benefits are designed to support financial, health and well-being needs of Irisians for a holistic professional and personal growth. Click here to view the benefits.

Requirements: