Java Developer

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.

Experience 8+ Yrs.

Bangalore work from office

1. Bachelor's degree or above, computer or related major, more than 5 years of Java EE development experience.

2. Have a solid foundation in JAVA, have strong OOP and OOD development ideas, and be familiar with various design patterns. Have strong coding skills, have business design experience, and be able to solve more complex technical problems.

3. Proficient in using mainstream JAVA open-source frameworks, such as Spring, Spring boot, Spring cloud, myBatis, etc.

4. Familiar with MySql, capable of database design and optimization, familiar with redis caching technology, familiar with message middleware, and ElasticSearch.

5. Familiar with distributed development and application scenarios of distributed components

6. Have some experience in concurrent processing and be familiar with performance optimization

7. Have strong learning ability, communication ability, teamwork ability and independent problem-solving ability, high sense of responsibility, and be able to withstand greater work pressure. Able to guide junior engineers and specialists to complete simple business development work.

Note: Kindly apply only if your open to Work from Office Bangalore and available to join immediate to 10 days.

Interested candidates connect @Bhavani P on the LinkedIn

or message your number/ id on the cut short chat.

Job Description

Wissen Technology is now hiring for a Java Developer - Mumbai/Bangalore with hands-on experience in Core Java, multi-threading, algorithms, data structure and SQL skills.

We are solving complex technical problems in the financial 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 to 10 years.
• Experience in Core Java 5.0 and above,Spring.
• Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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, preferably Sybase database.
• Good knowledge of multi-threading and high-volume server-side development.
• Experience in sales and trading platforms in investment banking/capital markets.
• 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.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers 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.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Responsibilities:

• Designing and implementing Java-based applications.
• Analyzing user requirements to inform application design.
• Defining application objectives and functionality.
• Aligning application design with business goals.
• Developing and testing software.
• Debugging and resolving technical problems that arise.
• Producing detailed design documentation.
• Recommending changes to existing Java infrastructure.
• Developing multimedia applications.
• Developing documentation to assist users.
• Ensuring continuous professional self-development.
• 
  

Requirements

• Degree in Computer Science or related field.
• Experience with user interface design, database structures, and statistical analyses.
• Analytical mindset and good problem-solving skills.
• Excellent written and verbal communication.
• Good organizational skills.
• Skills required- Java , Springboot , Hibernate , Database

• Required 4+ years of experience in Java.
• Hands on professional experience using Core Java, Java Restful APIs, Gradle, Spring, Spring Boot and related frameworks.
• Hands on experience creating/consuming web services and data Data queries in SQL
• 2+ years’ experience of working with geographically dispersed teams, that fall across different time zones
• Experience with distributed architecture including web services and technologies
• Developing POCs
• Working knowledge of JIRA or other ALM tools to create a productive, high quality development environment

Required Technical Skills: 

• Java (highly capable)
• SQL (highly capable)
• Strong knowledge of software best practices, build processes, IDEs, database tools (e.g. SQL Developer, SQL Management Studio)
• Strong knowledge of source code control systems (GIT)
• Confident with Windows, Linux, Unix operating systems including command line
• Working knowledge of JIRA

Beneficial Technical Skills: 

• .Net
• C 
• Javascript 
• Experience in test management and test execution
• Experience of Agile development methods

Additional Skills and Behaviour Required 

• Experience of full software development lifecycle
• Considers competing solutions and evaluates options to create the best outcome in all aspects of the role.
• Willingness to takes ownership of whole project and engineers assigned.
• Confident to make suggestions and recommendations for improvements.
• Excellent written and verbal communication skills and ability to build good rapport
• Fluency in English, both written and oral
• Collaborates with others to achieve objectives and ensure information flow
• Seeks assistance and feedback as appropriate 

Education 

• Bachelor's degree (or equivalent) in Computer Science or Engineering or other relevant discipline (MCA, MSc in Computer Science etc.)

Responsibilities:

• Crawl the internet/intranet for issues people are facing and convert them in to stuctured data that would be consumed downstream.
• Familiar with the software development life cycle (SDLC) from analysis to deployment.
• Comply with coding standards and technical design.
• Adapts structured coding styles for easy review, testing, and maintainability of the code.
• Integrate the developed functionality and/or component into a fully functional system.
• Ensure unit and integration level verification plans are in place and adheres to the great quality of code at all times.
• Actively participate in troubleshooting, debugging and updating current live system.
• Verify user feedback in making the system more stable and easy.
• Work closely with analysts, designers, and other peer developers.

Requirements:

• Bachelor's degree in computer science or equivalent practical experience.
• Understanding of OOPS concepts, Persistence, Threading.
• Good understanding of version control system (GIT).
• Knowledgeable in data structures and algorithms.
• A background in Engineering with sound oral and written communication skills.
• 6+ years of experience working on the server-side.
• Exposure to API designing, scalable architecture, and thorough understanding of systems.
• Great database modeling skills.
• Working knowledge of Databases, both relational (such as PostgreSQL) and in-memory database (such as Redis).
• Good understanding of web stack and how all the pieces fit together.
• Experience with open-source projects.
• Experience in designing interactive applications.

• Having experience in Hospitality/Travel/Internet/Online/Start-up/IT/Logistic/Courier/Cargo/ Transportation would be preferable.