
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.
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JOB DESCRIPTION
Experience: 10+ years
Wissen Technology is now hiring for a Senior 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:
- Exp. - 10+ 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.
JOB DESCRIPTION
Experience: 3-5 years
Wissen Technology is now hiring for a Senior 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:
- Exp. - 3-5 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
Job Description below:
Software Engineer-Java
- Experience in Core Java 5.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
- 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-volume server-side development
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Job Brief-
· Understand product requirements and come up with solution approaches
· Build and enhance large scale domain centric applications
· Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines
- Design, build and maintain efficient, reusable, and reliable Java code.
- Providing technical oversight to the team, involved in design and code review.
- You would also be spending most of the time in development activities in varied technologies and should have a passion to write code.
- Should be able to create good technical documents.
- Translate application storyboards and use cases into functional applications.
- Ensure the best possible performance, quality, and responsiveness of the applications.
- Identify bottlenecks and bugs, and devise solutions to these problems - Help maintain code quality, organization, and automatization.
- Prepare the technical design of complex technology components as well as suggest the pros and cons of using a certain technology stack or component or design pattern versus another, to the clients.
- Team Management.
Required Skills and Qualifications
- Qualifications: BTECH/MTECH/MCA/MSc.
- Proficient in Java, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of multithreading, concurrency patterns, and collections in Java.
- Solid understanding of object-oriented programming along with various design and architectural patterns.
- Hands on experience with JMS, JPA, Spring (MVC, Boot & Cloud preferred) & Hibernate.
- Familiarity with concepts of MVC, JDBC, and RESTful. Experience with Presentation Layer (JSP/Servlets), JS Frameworks (Angular, jQuery, react, etc.).
- Creating database schemas that represent and support business processes and experience with both external and embedded databases. Implementing automated testing platforms and unit tests.
- Proficient understanding of code versioning tools, such as Git, Ant, Maven, and Gradle; continuous integration.
- Knowledge in xml based mappings, SAML, rest clients, CAS authentication and Jetty.
- Knowledge of Apache Camel and Kafka and Drools Rule Engine is preferred.
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.
We are looking for JAVA Developers with 5 Plus years of Experience for our Client in the Banking sector .
Job location : Navi Mumbai (Work from Office)
Qualification: MCA / Graduate in Computer Science
Skills:
-Java, Spring boot ,JavaScript, XML
-Tomcat and Jboss
-JWT Token generation and Authentication
-REST and SOAP web services
-Spring Framework and Spring securities
-Oracle 11g
-TFS
Basic knowledge of frontend will be an added advantage
Roles and Responsibilities
-Candidate should have hands on experience in developing both REST and SOAP web services for web-based application.
-Should co-operate with the frontend developer in the integration process
-Implementing secure coding practices
-Bug fixing
-Should be able to deploy the application
REQUIREMENTS
- 5+ years of non-internship professional software development experience
- 1+ years of exposure to the architecture and design (design patterns, security, reliability and scaling) of new and current systems.
- Bachelors/Masters degree in computer science or other related fields
- Programming experience with at least one modern language such as Java or Python including object-oriented design
- A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
- Proven ability to take initiative and dive into new areas of technology.
- Passion for learning, analysing technology trade-offs and shipping products.
- Knowledge on SQL, NOSQL databases and AWS deployments is a plus
- Strong sense of ownership, urgency and drive
- Ability to work well with people and be both highly self motivated and motivating
- Must be independent and comfortable in a fast paced, ambiguous and often multi-directional work environment
JOB RESPONSIBILITIES
- You will build cutting-edge secure and scalable systems by writing simple and efficient code.
- You will push your design and architecture limits for new product development.
- You will be the owner of your feature and work directly with product teams to drive customer impact.
- You will ensure that the systems you oversee are secure, fault-tolerant and are performing reliably at high volumes.
- Constantly look at possibilities to improve the overall functioning of the product.
- You possess a strong desire to learn and contribute solutions and ideas to a broad team
- You are independent and comfortable in a fast paced, ambiguous and often multi-directional work environments
- You will manage multiple tasks and use sound judgment when prioritizing
- You can collaborate with globally-located cross functional team in building customer-centric products
- You will analyze existing software implementations to identify areas of improvement and provide estimates for implementing new features
- Full stack experience is a plus
- Understanding of complete SDLC and Agile methodologies
- Domain expertise in Financial Services, Banking or Payments
- Code Quality –Code Hygiene (Coverage, Complexity, Usability)
- Collaboration –Strong peer review standards
What if, you had a chance to build something iconic?
Presenting Bharat's first of its kind vernacular instant messaging app that is smart & secure - Buzz is an AI & machine learning powered - content-driven instant messaging app tailored to make user secure with more focus on privacy. At Buzz, we are on a mission - to help users be in control of the degree of their digital exposure, with a goal to create a space as India's first smart instant messaging platform among dominating foreign players.
And this is just the beginning :
With our eyes set on the future, we are looking for an exceptional iOS Developer with must have excellent experience in Socket.IO, to help us realise, build and scale our offering, who possesses a passion for technologies to the limits and will work with our team of talented engineers to design and build the next generation of our application.
iOS Beta already launched.
What you'll get :
Compensation in terms of EQUITY ONLY, salary only once we raise funds. This is more of a hands-on role especially in the initial stages of the company. Part-time would also temporarily work.
We are looking at passionate people with entrepreneurial spark and a hustler.
People who are deeply passionate of solving user problems in social networking space and vision of making an Indian product to be used by billions worldwide must only apply.
- A unique opportunity, unlike anything you have experienced before.
- Flexible timings & work from home
- A friend for life.
What matters to us : 1) Attitude > 2) Skill > 3) Experience > 4) College
Who are we looking for?
Key Responsibilities :
- Driving innovations in the product constantly to remain ahead of the curve.
- Serve as a thought leader and mentor on technical, architectural, design and related issues.
- Proactively identify architectural weaknesses and recommend appropriate solutions.
- Balance short-term versus long-term actions, strategic versus tactical requirements, while continuing to move forward towards the strategic vision.
- Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
- Excellent technical issue diagnosis and problem-solving skills
Excellent knowledge of :
1) Node.js
2) Express.js
3) MongoDB
4) Restful APIs
5) Socket.IO
Skills required :
- MS or BS/B.Tech in computer science or equivalent experience from top college.
- Must have experience in working in an Instant messaging service provider.
- Experience working with remote data via REST and JSON
- Experience with offline storage, threading, and performance tuning
- Familiarity with cloud message APIs and push notifications
- Experience with third-party libraries and APIs
- Proficient understanding of code versioning tools, such as Git
- Excellent data structure & algorithm and problem-solving skills.
- Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server-side development.
- Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github.
- Superior organization, communication, interpersonal and leadership skills.
- Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast-growing and start-up workplace.
- Must be a self-starter who can work well with minimal guidance and in fluid environment.









