
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.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
Similar jobs
Dear candidate,
Wissen Technology is looking for experienced Java developers to join our team!
For Mumbai / Banglore Location
Name:
Experience (Excluding Internship):
Current company:
Last working Day:
Official Notice Period:
Holding any offers:(Yes/No):
Current CTC:
Expected CTC:
If you are not currently looking out for opportunities kindly pass on my Mail ID to interested candidates.
For any further questions please reach out to me on my mail. )
Thanks & Regards,
Siddhesh Ambre
Talent Acquisition
Wissen Technology


#HiringAlert
We are looking ".Net Architect" for Reputed Client @ Permanent Role
Experience: 10+ Years
Skills :
•Good understanding of the cross cutting architectural elements like Security (Authentication, Authorization, Distributed logging, tracing and Audit, Infra as Code, Database Design (SQL Server and MongoDB)
•Deep understanding of architectural concepts, issues and trends
•Expert knowledge in Object Oriented Principles and Design Patterns
•Expertise in n-tiered web architectures, SOA and related technologies (XML, SignalR , WCF, SOAP, REST, JSON, etc.)
•Strong technical expertise in the Relational Databases, No SQL DB (Ex: SQL Server, MongoDB), Web development and object-oriented methodologies.
•Must be a Team player able to work effectively at all levels of an organization with the ability to influence others to move toward consensus.
•Should review design and implementation of junior designers and developers on the quality of technical deliverables and adherence to quality process
•Excellent verbal and written communication skills.
Location : Chennai & WFO

Job Description:
Good knowledge of python & Java. The order of need should be
- Builds (TeamCity/Jenkins, Urban Code Deploy, ANT/Maven)
- Python scripting
- JAVA
- Linux/Unix
And candidate should possess knowledge on the below :
- JIRA or other
- Agile (Scrum/Kanban, etc.)
- Bit bucket/GIT/SVN/Artifactory
- Linux/Unix
- Jenkins/Team City – ANT/Maven
- Usage & setup of IDE’s
"Shypmax is India's first & only Cross border Logistics Platform backed by a contemporary product and premium service. We are one of the first IOSS ready courier service in India, focusing on compliance with new regulations in the European Union (EU). We deliver to 220countries in the UK, USA, South East Asia, Australia, Europe, & Canada with 70+ carrier and network partnerships placed globally with a perfect combination of technology and optimized shipping solutions."
Job Responsibilities:
Prior experience in deploying scalable infrastructure on the cloud.
Architect, design and develop web applications using Restful Services on Node.js.
Proficient understanding of code versioning tools, such as Git.
Lead code reviews to drive teams to the highest standards for Node.js web apps.
Strong background in algorithms, data structures, database design.
Experience in Node, Redis.
Experience in cloud infrastructure like google app engine/AWS/Heroku etc.
Design and create efficient RESTful endpoints for both internal and public consumption.
Participate in regular bug fixing Intimate knowledge of Git, Github, AWS, CDNs.
Experience with creating RESTful endpoints using the REST framework.
Developing high performing REST APIs for application functionality.
Necessary Requirement:
Min -2 years of Experience with Node.js
Min -1 years webhook Integration, Api Integration .
Hands on Experience working on Node. Js
Hands on Experience in REST APIs for application functionality.
Hands on Experience in cloud infrastructure
- Analyze highly complex business requirements;
- generate technical specifications to design or redesign complex software components and applications;
- Acts as an expert technical resource for modeling, simulation and analysis efforts;
- Adapt to change quickly and adjust work accordingly in a positive manner;
- Be flexible and thrive in an evolving environment;
- Individual contributor to build the application for e-commerce platform;
- Assures quality, security and compliance requirements are met for supported areas;
- Working in cloud data stores to include S3, DynamoDB and/or Amazon RDS;
- Perform test automation in a test-driven development environment;
- Implement DevOps concepts, tools and continuous delivery pipelines - Bamboo, Jenkins, Maven, Bitbucket, Jira, etc;
- Implement instrumentation to gather business-specific metrics around consumer usage patterns;
Job Requirements :
- 4+ years of Java development experience
- 4+ years of microservice development experience with Spring boot framework
- Core & Advanced Java (Threading, Design Patterns, Data Structures) J2EE, REST web services
- Excellent knowledge of Enterprise Design Patterns
- Full stack development with Angular 8 experience will be a plus
- Experience with test driven software development
- Exposure to telecom domain
- ETOM/ SID which make the TM Forum framework
If you are passionate about technology and asynchronous, reactive systems sound like fun then join our small team of developers who are defining the digital payments space in India. A place with lot of potential to learn payments domain and unleash the engineer in you to build scalable, reliable, low-latency systems to help banks reduce the digital divide.
Responsibilities
- Developing new software based on the client or organization requirement.
- Working on the Change Requests raised by clients.
- Understanding the business requirement of client and provide software solution to solve the business requirement.
- Analyzing the existing software/solution/code and enhance it as per requirement.
- Debugging/ Analyzing existing software/ services and carry out changes as per
- Co-ordination with the onsite team and provide solution to the problems/ enhancements/bugs etc. reported.
- Working with field engineers, need to visit customers if the problem is more serious.
- Support Deploying, testing of new releases/bugs/issues in new patches and support
- client in testing if required.
- Support on-site team or clients during production release/ DR / System upgrade etc.
Skill-Set Requirement
- Excellent knowledge and in hand experience of working on JAVA, HIBERNATE and SPRING.
- Good knowledge of Any Database (Oracle/SQL/MYSQL etc.) DDL &DML queries.
- Knowledge of the software life cycle.
- Strong knowledge of the OOPs concepts.
- Good analytical and problem-solving skills.
- Good communication skill.
- Prior knowledge of Linux operation system is welcomed/preferred.
Key Skills
- In depth knowledge of Node.js
- Knowledge of integration with front-end JavaScript libraries and frameworks like react js
- Should be experienced with Micro-services.
- Knowledge of both SQL and NoSQL databases such as MySQL, Oracle, MongoDB
- Working experience of Git preferably bitbucket.
- Good knowledge of CI/CD preferably using bitbucket pipelines and Jenkins.
- Working knowledge of agile methodologies and techniques

Ruby on Rails Developer minimum 1+ year
Job Qualification: BE/ MCA or other Graduation or Post graduation Degree in computer science branch.
Skills Ruby and Rails framework, good communication skills, building web applications.
What is in store for you?
- Work in a dynamic, non-hierarchical environment where talent is valued over job title or years of experience
- Build custom software using the newest technologies and tools for clients across geographies.
- Develop product management capabilities
- Craft your own career
- Exposure to multitude of domains and client environments
Are you a developer who believes writing code is a craft?
This job is for you if you have,
- 1 to 3years of development and delivery experience with Ruby on Rails + Frontend Technologies.
- Hands-on experience in analysis, design, coding, and implementation of complex, custom-built applications
- Strong design patterns knowledge
- Familiar with few databases, like MySQL, Oracle, PostgreSQL, SQL Server, NoSQL, etc
- Good communication and client-facing skills with the ability to work in a consulting environment.





