Java Engineer - Spring/Hibernate

Wissen Technology is now hiring for a Java Developer

Location : Bangalore (The candidate must be based in Bangalore, as an in-person interview is a mandatory part of the selection process)

Notice Period: Immediate to Serving Notice Period & Up to 30 Days max

Skills: Hands-on experience in Core Java, Spring Boot, Microservices, Algorithms, Data Structure and SQL

Note: Bachelor's or Master's degree from a top-tier college or university is must.

Key Responsibilities:

• Design, develop, and test low-latency, high-volume client-facing applications.
• Develop and maintain enterprise-scale, n-tier applications for the investment banking/capital markets domain.
• Implement microservices-based solutions using Spring Boot and other modern frameworks.
• Work extensively with Core Java 5.0 and above, Spring Framework, and CXF
• Optimize applications for multi-threading and high-performance server-side development
• Collaborate with cross-functional teams to design and implement scalable, secure, and efficient solutions
• Work with RDBMS (preferably Sybase) to handle large-scale data processing.
• Develop and maintain applications on Unix/Linux environments
• Utilize enterprise application design patterns to build robust and scalable solutions.
• Troubleshoot and resolve complex technical issues while ensuring application stability and performance.

Required Skills & Experience:

• 1 to 6 years of hands-on experience in Java development
• Strong knowledge of microservices architecture and cloud-based deployment.
• Expertise in Spring Framework, Spring Boot, and CXF
• Experience in developing and optimizing applications for high-volume, multi-threaded environments
• Solid understanding of financial domain applications, sales, and trading platforms
• Proficiency in working with relational databases (Sybase preferred)
• Familiarity with Unix/Linux environments and shell scripting.
• Strong analytical, problem-solving, and communication skills.
• Ability to articulate and present design ideas effectively.
• Education: Bachelor's or Master's degree from a top-tier college or university is must.

Responsibilities:

• Design, develop, and maintain scalable applications using Java/Kotlin Core Concepts and Spring Boot MVC.
• Build and optimize REST APIs for seamless client-server communication.
• Develop and ensure efficient HTTP/HTTPS request-response mechanisms.
• Handle Java/Kotlin version upgrades confidently, ensuring code compatibility and leveraging the latest features.
• Solve complex business logic challenges with a methodical and innovative approach.
• Write optimized SQL queries with Postgres DB.
• Ensure code quality through adherence to design patterns (e.g., Singleton, Factory, Observer, MVC) and unit testing frameworks like JUnit.
• Integrate third-party APIs and develop large-scale systems with technical precision.
• Debug and troubleshoot production issues.

Requirements:

• 2 to 4 years of hands-on experience in Java/Kotlin Spring Boot development.
• Proven expertise in handling version upgrades for Java and Kotlin with confidence.
• Strong logical thinking and problem-solving skills, especially in implementing complex algorithms.
• Proficiency with Git, JIRA, and managing software package versions.
• Familiarity with SaaS-based products, XML parsing/generation, and generating PDFs, XLS, CSVs using Spring Boot.
• Strong understanding of JPA, Hibernate, and core Java concepts (OOP).

Skills (Good to Have):

• Exposure to Docker, Redis, and Elasticsearch.
• Knowledge of transaction management and solving computational problems.
• Eagerness to explore new technologies.

Job Description

Cateina Technologies is looking for a Java Developer, to build a solid team of passionate developers. As a prerequisite, the candidate should have 4+ years of sound programming knowledge and experience mainly in Java and also in the below-mentioned skills, and be willing to work with niche next-gen technologies.

Location: Mumbai

Job Opening: 1

Primary Focused on Java and Spring Boot, Microservice, and Hibernate.

Technical Skills:

• Java
• Spring, Springboot
• MySQL, Postgres SQL, Microservice
• Preference will be given to Jboss/ Camel/ Mule, Quarkus, JMS, MQ, Kafka
• Open API spec 2.0, 3.0
• Design, develop, and maintain robust RESTful APIs and web applications.
• Utilize the JSP framework and Spring Boot for application development.
• Ensure smooth communication using JSON and XML for REST services.
• Write efficient and optimized Oracle queries for database interactions.
• Implement authentication and security measures for application servers and APIs.
• Apply techniques for data integrity, hashing, and encryption.
• Collaborate with cross-functional teams to migrate microservices as needed.
• 
  

Required Skills:

• Proficiency in Java development, particularly with JDK 1.8.
• Strong expertise in RESTful API services.
• Hands-on experience with JSON and XML communication.
• Solid understanding of application server management and API security practices.
• Ability to write and optimize Oracle queries.
• Experience in authentication mechanisms and security best practices.
• Knowledge of data integrity, hashing, and encryption techniques.
• 
  

Other Additional Skills:

• Strong communication skills both written and verbal 
• Enthusiastic, Creative, and flexible
• Organized, with an ability to prioritize time-sensitive assignments
• Capable of working both independently and in a team environment
• Should have prior team handling experience
• Professional with work ethics
• Completed any degree.

Who can apply 

Candidates who:

• have the relevant skills and interests
• Stays in Mumbai or ready to re-locate

Office Location 

Cateina Technologies 

126, First Floor, 

Shivkrupa Industrial Estate, 

Lal Bahadur Shastri Rd, 

Vikhroli (West), 

Mumbai, Maharashtra 400083 

Please go through our website www.cateina.com and read about what we do before coming to an interview

Job Roles and Responsibilities – Java Developer           

Primary Role and Responsibility: .

· Bachelor’s degree in computers / Electronics/Any Graduate

· 3-6 years of relevant experience.

· Contribute to all phases of the development lifecycle

·  3 to 6 years of experience.

· Write well designed, testable, efficient code

· Ensure designs are compliant with specifications

· Prepare and produce releases of software components

· Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

· Work from Office

Expertise You ll Bring

· Development skills in Language and Framework

· Strong coding skills in Core Java 8.0

· Expertise in J2EE

· Spring Boot

· Spring Data JPA

· Hibernate

· Expertise in REST API development and deployment using a microservices paradigm

· A good understanding of RDBMS concepts

· Knowledge of deployment and build tools

· A good understanding of Terraform scripts (needing only minor changes / enhancements)

We are a technology company, at a stage where we are moving fast ahead. We have been enabling enterprises to derive the value of Data Science and technology. At Lumiq, we are thinking every day about how to use the latest technology and concepts to build products which can help our customers and enterprises in all aspects of their businesses.

We create Data oriented enterprise applications. The applications must be scalable and robust. This position creates the exact kind of enterprise applications which are easy to configure and manage from the end-user perspective. The integration with all the different services and APIs plays an important part in the whole architecture.

Eligibility

Experience and Qualification

• 2-5 Years of experience with Drools/Kofax Workflow.
• Java Microservices: 2-3 years Spring Boot, Spring Integration or Batch.
• Working knowledge of Databases
• Design and develop high-volume, low-latency applications for critical systems, delivering high-availability and performance.
• Write well designed testable, efficient code, and ensure that the designs comply with specifications.
• Bachelor's Degree in Computer Science or equivalent

Must Have Skills

• Java
• Drools
• Any Relational Database
• GIT

• Assist in project scoping and interact with users to gather requirements
• Must have skills: Java,Spring,SQL,Web App development
• Produce well-planned, well-structured, high-quality codes that have been independently unit tested
• Design, develop, implement and maintain multi-tier web based applications using Java, J2EE, Struts, MVC, Weblogic, XML, Spring, Hibernate, and Oracle, to support business requirements (angular will be advantage)
• Participate and contribute actively in the complete software development lifecycle, including performance analysis, design, development, and testing
• Ensure well designed, testable, efficient codes by performing unit testing with test cases and through rigorous integration testing of the entire application
• Ensure designs are in compliance with specifications
• Support users by developing design documentation and assistance tools
• Interact regularly with internal and external teams to address technical issues and provide appropriate solutions through debugging, research, and investigation
• Develop configuration tools for internal teams to further automate programming tasks that are repetitive
• Engage in and lead application performance tuning

• Graduate/Post Graduate degree in Computer Science, Engineering or a related subject
• Proven working experience in Java development, application of standard software development principles and designing and developing applications using Java EE platforms
• Experience in developing web applications using at least one popular web frameworks using MVC
• Object oriented analysis and design using common design patterns
• Able to respond to technical queries / requests from team members and customers
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc.)
• Excellent knowledge of Relational Databases, SQL and ORM technologies (Oracle, Hibernate)
• Experience in the Spring Framework
• Experience with test-driven development

Title: Senior Java Developer

Location: Pan India/Remote work

Senior Java Developer

Functional Experience:

5+ years of work experience, bachelor's degree in computer science or a related field, develop applications for cloud computing, design, maintain and operate cloud systems/microservices and applications, keep cloud systems secure, fully tested and integrated with all the other products/applications, understand the language of business and develop to address the business’s needs.

Technical Skills Required:

Minimum 6 year of hands-on Java (including Java 11) programming; Experience and knowledge of open-source software, frameworks around server-side development in Java 11; wide and deep understanding of Java ecosystem, monitoring and diagnosis, Spring Boot.

Notice Period: 0-30 Days