Java Developer

Key Responsibilities:

• Design, develop, and maintain scalable backend applications using Java and Spring Boot.
• Build and consume RESTful APIs and ensure secure, reliable API integrations.
• Develop microservices-based architecture and deploy applications in cloud environments.
• Work with cloud platforms such as AWS/Azure/GCP for application deployment and management.
• Write clean, maintainable, and efficient code following best practices.
• Implement CI/CD pipelines and support DevOps practices.
• Optimize applications for performance, scalability, and reliability.
• Collaborate with cross-functional teams including frontend, QA, DevOps, and product teams.
• Participate in code reviews, technical design discussions, and architectural decisions.
• Troubleshoot production issues and provide timely resolution.

Required Skills & Qualifications:

• 5–10 years of hands-on experience in Java (Java 8 or above).
• Strong experience with Spring Boot, Spring MVC, Spring Data, Spring Security.
• Solid understanding of RESTful API design & development.
• Experience in microservices architecture.
• Hands-on experience with at least one cloud platform (AWS / Azure / GCP).
• Knowledge of containerization tools like Docker and orchestration tools like Kubernetes.
• Experience with relational and/or NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, etc.).
• Strong understanding of Git and version control practices.
• Good understanding of design patterns and object-oriented programming principles.

Calling 2026 Graduates from IITs, NITs & IIITs Across All Engineering Streams

At Loyalty Juggernaut (LJI), we're looking for curious minds, strong problem-solvers, and passionate engineers to join our Product Engineering team through our Intern-to-FTE program.

As an intern transitioning to a full-time role, you will own the end-to-end software development lifecycle, including technical design, implementation, deployment, support, and optimization of software solutions.

You will

• Collaborate with the Business teams, Product teams and Clients to understand business scenarios and customer pain points
• Tackle complex technical challenges and build highly functional cutting-edge product features
• Own the complete product delivery across the full tech stack
• Continuously improving product performance and user experience

To be successful in this role, you should be a meritorious student from a college of repute and have,

• Bachelor's degree in Engineering any stream, class of 2026
• Min. 7.5 CGPA score with no backlogs
• Excellent programming skills.
• Strong academic performance in data structures and algorithms.
• Demonstratable programming and application skills in academic projects- Java/Python/Rest APIs/PostgreSQL/ AI-ML/Mobile Development/similar.
• Confident communication skills

Our Tech Stack:

• Java(Springboot)
• Python(Django)
• PostgreSQL
• AI/ML
• REST, web services
• Angular, Javascript, HTML
• Jenkins, Maven, Git, Ansible
• AWS

While we encourage eligible candidates to apply, this role requires more than just theoretical knowledge. If you are limited to academic or conceptual understanding without practical application, this may not be the right fit.

We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.

Key Responsibilities:

• Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
• Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
• Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
• Collaborate with cross-functional teams to define, design, and implement new features and improvements.
• Troubleshoot and resolve issues related to system performance, scalability, and reliability.
• Ensure software quality through best practices, including testing, code reviews, and continuous integration.
• Implement and maintain security best practices in both code and data handling.
• Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.

Required Skills & Qualifications:

• 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
• Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
• Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
• Experience with microservices architecture and RESTful APIs.
• Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
• Strong understanding of distributed systems, message-driven architectures, and event streaming.
• Familiarity with version control systems like Git.
• Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
• Experience with CI/CD pipelines and automated testing.

Requirements:

• Excellent knowledge of Core Java (J2SE) and J2EE technologies.
• Hands-on experience with RESTful services and API design is a must.
• Knowledge of microservices architecture is a must.
• Knowledge of design patterns is a must.
• Strong knowledge of Exception handling and logging mechanism is a must.
• Agile scrum participation experience. Work experience with several agile teams on an application built with microservices and event-based architectures to be deployed in hybrid (on-prem/cloud) environments.
• Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
• Experience in managing the Source Code Base through Version Control tools like SVN, GitHub, Bitbucket, etc.

Requirements

• 3+ years of experience in the Development of JAVA technology.
• Strong Java Basics
• Linux
• SpringBoot or Spring MVC
• Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Java 8
• Any Caching Mechanism
• Good at problem-solving

Good to Have Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem-solving skills.
• Ability to work in a fast-paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding AI/ML algorithms is a plus.

Job Location: Pune 

Experience: 4- 5 years

Functional Area - IT Software - Application Programming , Maintenance

Role Category : Programming & Design

Requirement / Job Description:

 Core Skills:

 Strong experience of Core Java (1.7 or higher), OOPS concepts and Spring framework (Core,     AOP, Batch, JMS)

 Demonstrated design using Web Services (SOAP and REST)

 Demonstrated Microservices APIs design experience using Spring, Springboot

 Demonstrable experience in Databases like MySQL, PostgreSQL, Oracle PL/SQL development etc

Strong coding skills, good analytical and problem-solving skills

Excellent understanding of Authentication, Identity Management, REST APIs, security and best practices

 Good understanding of web servers like Tomcat Apache, nginx or Vertex/ Grizzly, JBoss etc

 Experience in OAuth principles

 Strong understanding of various Design patterns

Other Skills:

  Familiarity with Java Cryptography Architecture (JCA)

 Understanding of API Gateways like Zuul, Eureka Server etc..

 Familiarity with Apache Kafka, MQTT etc.

Responsibilities:

 Design, develop, test and debug software modules for an enterprise security product

 Find areas of optimization and produce high quality code

 Collaborate with product managers and other members of the project team in requirements specification and detailed engineering analysis.

 Collaborate with various stake holders and help bring proactive closure on the issues

 Evaluate various technology trends and bring in the best practices

 Innovate and come out of the box solutions

Adapt, thrive and deliver in a highly evolving and demanding product development team

Come up with ways to provide an improved customer experience

Key roles:

·       Develop backend application with clean code practices foe the application

·       Collaborate with frontend developers to integrate user-facing elements with server side logic

·       Troubleshoot and debug application

·       Gather and address technical and design requirements

·       Build reusable code and libraries for future user-facing

·       Communicate with other third-party team for collaborations

Skillset:

·       Core Java - Hands on experience with Jdk 11 and above

·       Experience with code hosting and collaboration tools like Bitbucket/Github/GitLab

·       Microservice architecture - Rest API calls, inter-service exception handling

·       Non-relational DB - MongoDB basic DB commands to insert, update, delete, find records and Indexing

·       Springboot framework - Spring Data JPA, ORM

·       Event driven architecture - Kafka

·       Tools like Postman, Jenkins, Doppler, IDE, MongoDB atlas

Qualifications:

·       UG: B.Tech/B.E. in Any Specialization, B.Sc in Any Specialization, BCA in Any Specialization

·       PG: Any Postgraduate