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
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: Node JS Developer ( JD 102)
No of Position : 45
• Programming in Node.js
• Experience with server-side templating languages
• Experience with Express.js, Loopback, Sails JS, Meteor.js or other
frameworks.
• Experience consuming and building robust, SOAP and REST ful APIs
• Experience with Relational Databases like Mongo DB, MySQL
• Solid understanding and extensive experience with version controltools like
Git, SVN or Mercurial
• Exceptional problem solving and ability to work independently
• Exceptional learning skills
• Understanding of Agile methodologies
• Knowledge of writing efficient codes.
• Understanding front-end applications.
• Working with authorization and authentication of the user.
• Having error-handling skills.
• Creating database schemes and many more.
• Using third party with services with developed system.
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• A Bachelor’s Degree in computer Science, Computer Engineering, Electrical
Engineering or equivalent.
• Minimum of 2+ years’ Experience in Software Development Organisation
required.
• Strong Communication skill and problem solving skill
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and work across the organisation
• Self-discipline in order to finish work on a timely basis.
Hi,
We are hiring for the position of Java Tech Lead. Please find below the details for the same.
A passionate developer who has a strong working knowledge of OOPS and functional programming
principles. Standard Definitions and abbreviations don't entice us that much.
Key skills:
• Strong Java and J2EE background with 5-7 years of experience.
• Strong working experience in Multi-Threading, Exception Management and the Use of Collections.
• Sound knowledge of working with application aspects i.e., Caching, Asynchronous APIs, Logging etc.
• Experience with web application frameworks like Spring Boot or Dropwizard.
• Unit Testing is an everyday affair and hence demands very good unit testing skills using tools like Junit & TestNG.
• Understanding of relational databases, RESTful services, and build tools like Maven & Gradle
• Knows what and when to mock and has used frameworks like Mockito/Power Mock.
• Understanding of message queues such as ActiveMQ, Kafka, and RabbitMQ.
• Version Control is treated as important as programming skills. Fluent with version control tools like Git and Bitbucket.
• Exposure to Agile/Scrum, TDD not in theory but in practice.
• Experience with Continuous Integration, Continuous Deployment, Static Code Analysis, Jenkins and SonarQube.
• Willingness to take ownership of the technical solution and ensure technical expectations of deliverables are met.
• Strong communication skills along with the ability to articulate technical designs and concepts.
• Exposure to cloud and containerization would be a plus.
• Hands-on experience in application development in an enterprise setup.
• Have a good understanding of Distributed Application Architecture.
- Work with product managers to understand product requirements and make them live.
- Ownership of end to end development
- Startup mindset of getting things done and focussing on business goals
- Proven problem solving skills
- 3+ years Hands on experience in designing and developing applications using server side technology (Java, Spring Boot / Node.js, Express)
- Excellent knowledge of Relational Databases, SQL and ORM technologies
- Good knowledge of design patterns
- Proficiency in REST architecture
- Experience with test-driven development
- Experience with Git/CI/CD/Gradle/Maven
- Inclination towards writing quality and performant code
- Experience in Agile development
- Performance tuning, testing, refactoring and automation
- Experience working with AWS Cloud and Devops technologies (terraform , cloudformation, ansible)
- Experience running a production environment
Who you are:
- You have an overall software development experience of 4 to 10 years
- 3+ years proficiency in Java and Spring boot
- Familiar with distributed computing and frameworks such as gRPC/ protobuf
- Understands JVM metrics, Garbage collection and performance tuning
- Experience in creating high-level design(HLD) and low-level design(LLD)
- You have a good understanding of relational database, NoSQL technologies, and REST
- Good to have experience in HTML, JavaScript, GraphQL, TypeScript, ReactJS and related toolsets
- Exposure to AWS stack/cloud computing
- Self-motivated developer who takes ownership of work
- Bachelor’s degree in Computer Science or Computing related discipline
- Experience in Product Development Environment is a plus.
- l IT experience delivering enterprise-scale applications or product implementations
- experience working as a technical lead.
- Working Experience in ISO20022, SWIFT, Remittance
- Language & Frameworks: Java, Spring Boot, Spring, Any ORM
JAVA SPRING BOOT DEVELOPER - Immediate Joiners
Work Experience: 4-7 years
Work location: Hyderabad
Must Have Skills: Spring Boot
Desired Candidate Profile
Proficiency in core Java & Spring framework
Expertise in Web Service technologies.
Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL
Experience with Java Spring Boot, Hibernate Cloud Services, AWS, S3, Server-less lambda functions
Experience with security principles and frameworks
Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.
Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Swagger, Tomcat, SVN, Git, Postman/Newman.
Should have worked in Agile methodologies.
Good object oriented and problem solving skills.
Strong communication skills along with the ability to work in a highly collaborative environment.
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- Design and develop features using Java, Spring, and Hibernate
- Ability to design database schema, develop views and stored procedures
- Maintain existing software systems by identifying and correcting software defects
- Review and analyse business requirements and provide technical feasibility and estimates
- Coordinate the workflow between the UX team and front end developers
Qualification
- 4-7 years of work experience developing Java-based backend applications
- Around 2 year of work experience using Spring Boot, Spring Cloud and Microservices
- Bachelor degree in computer science, or information technology, or other related field of study
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2. Minimum 2+ years’ experience in Node JS
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Looking candidated from service base or service division of any company.
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- Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections, popular frameworks & libraries}, JVM, GC tuning, performance tuning)
- Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST Express etc
- Worked on Relational data stores viz. MySQL, Oracle or Postgres
- Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
- Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
- Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ etc