
Job Summary
We are seeking an experienced Java + Kafka Developer to design, develop, and maintain high-performance, event-driven applications. The ideal candidate will have strong backend development skills in Java and hands-on experience with Apache Kafka for building scalable, real-time data processing systems.
Key Responsibilities
- Design and develop event-driven microservices using Java and Apache Kafka
- Build and maintain Kafka producers, consumers, topics, and streams
- Implement message processing, retries, error handling, and idempotency
- Develop and integrate RESTful APIs
- Ensure high availability, scalability, and performance of Kafka-based systems
- Monitor, troubleshoot, and optimize Kafka and application performance
- Collaborate with architects, DevOps, and QA teams
- Participate in code reviews and follow best practices
- Contribute to system design and technical discussions
Required Skills
- 6+ years of experience in Java backend development
- Strong hands-on experience with Apache Kafka
- Experience with event-driven and streaming architectures
- Solid understanding of microservices architecture
- Experience with REST APIs
- Good knowledge of multithreading, concurrency, and JVM concepts
- Familiarity with SQL / NoSQL databases
- Strong problem-solving and debugging skills

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Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Experience - 4+ years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
- Strong experience in Core Java, Multi-Threading, data structures (List/Map/Set) and unit testing
- with (Junit, Mockito)
- Strong experience with Spring Framework (Spring MVC, Spring REST, Spring Data), ORM
- frameworks (JPA, Hibernate) and RDBMS (Oracle/MySQL/Postgres)
- Strong experience in applying Object-Oriented design principles and Design Patterns
- Good knowledge of Multi-Tier architecture, Micro Services architecture and Service Oriented
- Architecture
- Exposure to AWS Cloud, NoSQL Database (Mongo, Cassandra), Message Broker (Active
- MQ/RabbitMQ/Apache Kafka) and Big Data Technologies (Hadoop/Hive/Spark)
- Additionally, must possess capability to review code, produce technical specification document
- and knowledge of code quality tools (PMD/FindBugs/Sonar)
About Klevu:
Klevu is a discovery experience suite that revolutionises online shopping. It provides a range of SaaS based solutions, that are deep rooted in AI-ML technology and delivered via cloud for online retailers. Klevu is a global Finnish company that prides in diversity, great team, excellent partner network and global customer footprint. Learn more from www.klevu.com
Experience: 5+ years
Location: Ahmedabad, Gujarat
Responsibilities:
- Build, scale and maintain various services on the Klevu platform
- Design and develop solutions for business needs on the Klevu platform
Must have skills:
- 4+ years on experience with Java
- Experience in Web application development on Spring framework
- Experience working with database technologies – RDBMS or NoSQL
- Ability to communicate effectively within and outside the engineering team
- Familiar with agile software development process
Nice to haves:
- Experience in Hibernate, MySql, Redis, ActiveMQ or Kafka
- Experience in UI Frameworks like Jquery, React, Angular or equivalent
- Experience in REST API development
- Experience in debugging issues and checking production logs
- Experience working in eCommerce and/or SAAS startups
- Experience working with microservices architecture
What we offer:
- Being part of one of the most exciting search technology company from Nordics with global footprints
- Work with a team in 3 continents (North America, Europe, Asia)
- Excellent work culture, hands-on, result oriented
- Good salary and flexible hours
At Ocean Friends, we are looking to positively impact the lives of families dealing with chronic health conditions through technology. We are looking for self-driven, and motivated Software Engineers with intent and ability to work across a variety of technology problems, including, but not limited to Mobile app development, AI/ML, and User experience.
Java - SSE/ Senior Developer
Singapore
Company Profile: Nucleus Software has been providing Products and Services to various Global and Regional Financial institutions, from past 36 years. As a pioneer IT Service provider, Nucleus carry deep banking domain expertise and experience on latest technological trends. Nucleus’s developed platforms powers the operations of more than 150 institutions in 50 countries, supporting multiple business veritcals, accessible through Mobile and internet channels
JOB ROLE & RESPONSIBILITIES
- Develop & support application through all stages of the project life cycle, including Design, Construction, Testing support and Warranty support
- Having experience in Java 1.6 and above, JEE, Spring, Struts,microservices ORM and Oracle.
- Good understanding of Design Principles and Object-Oriented Programming
- Develop Low level design documents
- Responsible for Coding, Developing Test cases using Junits, Unit Testing
- Adhering the schedule and scope of the project
- Ensure to follow the Technology and Process standards set for the project
- Produce high quality technical delivering for the customer
- Interact with project lead to review technical deliverables
Key deliverables
- Design and Develop Programs with high quality and agreed processes, within the planned schedule
- Review Unit Test Cases with Project Lead
- Design, Develop and Unit Test
- Technical Design documents (LLD)
- Support throughout testing, implementation and warranty phases
Desired for the Position:
- Hands on experience in Designing and Developing web applications using Java EE platforms (Spring, Struts, EJB), ORM and Oracle Database)
- Strong background of Object-oriented analysis and design using common design patterns
- Profound insight of Java and JEE internals (Class loading, Memory Management, Transaction management etc)
- Good knowledge of Relational Databases (Oracle) and PL/SQL
- Carries good analytical and communication skills
Location: Base: Chennai , Bangalore and Noida, Projects-Singapore
Package: upto 17 L
Experience: 5 yrs
Skills:-
Java, SpringBoot, OOps, Microservices and Basic in SQL.
Responsibilities: -
Experience in application components using Spring Boot.
Should possess application development experience in Java 7/8, Spring Framework, Spring Boot.
Design and develop micro services/APIs using either Java/Spring boot. · Experience working in Agile environment and good understanding of Agile processes.
Good in any front end technologies like React JS
Experience in AWS
Knowledge of Application Server like Tomcat, Testing frameworks like JUnit Skills:
Spring Boot, Swagger, Tomcat , Maven, Jenkins, Git, Postman, kubernetes, Docker, Hibernate.
Strong knowledge on both SQL and NOSQL Databases.
Possess excellent communication and interpersonal skills and can articulate your ideas to different stakeholders.
Proficient understanding of code versioning tools, such as Git.
Experience in working as a team to design, document, develop, test, implement and maintain modular, multi-tier large Java applications.
Great interpersonal and communication skills
Job Functions: Information Technology.
Employment Type - Full-time.
Languages: Strong in Java v1.6 (v1.8, nice to have), good in SQL (for any relational database)
Framework: Spring Boot or Spring MVC Tools: Hibernate (or iBatis) for database, maven (or gradle) build tool Database: Any relational database experience (oracle, postgresql, sql server, mysql, etc) Web server/application server: Any server experience (tomcat, jboss, jetty, etc) Source code versioning: GitHub (or apache SVN) IDE: Eclipse (or anything else) Development platform: Windows or Linux Cloud platform: AWS (or any cloud platform) (optional)
Job ID: RP1001
Required Experience- 4+ years
Expected joining within two weeks
Preferred Skills:
- Good communication skills in English (Written and Oral)
- Strong knowledge of RDBMS concepts
- Strong analytical and problem-solving skills
- Experience in performance tuning
- Experience in interaction with the customer
- Technical skills Java, HTML, CSS, TypeScript, SpringBoot, Hibernate, Microservices
- Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence)
- Ability to explore the application by himself/herself from the training provided
Responsibilities:
- New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
- Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
- Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
- Level 2 and Level 3 support (Support process adherence)
- Functional and technical or solution documentation preparation
- Execution will either be Waterfall or Agile
- The process needs to be followed as defined by RBEI or RBEI’s Customer
- Preparation & participation in the project status and review meeting
Job Locations: Bangalore, Pune, Chennai, Dehradun, Mohali, Panchkula, or Gurugram (Currently Remote)










