
JOB DESCRIPTION
Experience: 4-8 years
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:
- Exp. - 4-8 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.

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
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Profile- Java Developer
Experience– 4 to 7 Years
Skills Required - Java, Spring Boot, Hibernate, Microservices, Design Patter, JUnit, Mockito
Roles & Responsibilities -
- Experience in Java, J2EE, and Java 8 Features
- Experience in Java frameworks such as Spring, Hibernate.
- Experience in Microservices Architecture.
- Expertise in designing and implementing RESTful APIs.
- Familiarity with build tools such as Ant, Maven, and Gradle
- Proficient understanding of code versioning tools, such as Git
- Familiarity with Agile methodologies and Scrum framework.
- Sound knowledge of Oops programming
- Basic knowledge of any cloud and CI/CD Tools
.Overall 5+ years of experience in application development using Java with creating and deploying microservices using the Spring Boot framework
• Strong experience in Maven.
• Good experience in unit(Junit) and integration testing.
• Experience in Microservices is a must.
Experience in designing and developing REST based services / Microservice development.
• Candidate should have good communication skills (written and verbal)
Excellent analytical and problem solving skills
Any one of these database Mongo, Maria, RMQ, Postgres, or other NoSQL servers
• Experience in AWS and CI/CD
5+ Years
Design, develop, and maintain robust, scalable, and secure backend services and APIs.
• Collaborate with frontend developers to integrate user-facing elements with server-side logic.
Write clean, efficient, and maintainable code following best practices and coding standards.
• Optimize performance and ensure high availability of backend services.
• Implement security measures to protect sensitive data and prevent vulnerabilities.
Design and manage databases, ensuring data integrity and efficient query performance.
Debug, troubleshoot, and resolve issues in production and development environments.
• Conduct code reviews and provide constructive feedback to team members.
Stay up-to-date with emerging backend technologies, frameworks, and best practices.
• Participate in Agile/Scrum ceremonies and contribute to sprint planning and estimations.
Requirements:
1.3+ years of strong programming experience with .Net Framework and .Net Core based software applications. (.NET,.NET Core, C#, ASP.Net, JavaScript framworks, Web API, MS SQL Server, Cosmos DB, Docker, Azure Cloud)
2. Strong knowledge of Microservices based Architecture, Design Patterns and Principles.(Optional) / Hands on experience on React Js /Redux (Optional)
3. Prior experience in handling application with larger volumes of data .
4. 3+ years of experience of designing high-performance enterprise software application.
5. Works with application development team to solve technical challenges with industry best practices.
6. Addresses and resolves complex technical issues with internal/external customers.
7. Design software systems with various Microsoft technologies and ensure compliance to all architecture requirements.
8. Review infrastructure for any issues and recommend solutions.
9. Very important to be good communicator and updates management team with the weekly/monthly status.
10. Analyzes enterprise system performance. Develops and implements system performance improvements.
11. Participates in development activities including code reviews, as well as coding and testing of new enhancements.
Technical skills required:
Skills: Java 8 and above, Rest Web services, MySQL.
Strong background in Core Java and good knowledge of collection Framework.
Proficient in developing high-performance, less memory-intensive micro-services applications using the Java framework.
Should have deep knowledge of Micro-service development.
Knowledge & Experience required:
· Bachelor's degree in Computer Science Engineering or equivalent degree.
· 7 years of development experience as a seasoned Java developer
· 7 years of experience in developing enterprise applications using enterprise Java 8 and has worked both on Web and Server side technologies.
· A strong Java Backend Developer with Core Java 8, Spring, Spring Boot, Hibernate, REST Web-services.
· Expertise in Java Unit Testing Frameworks and tools such as JUnit, TestNG, Mockito etc.
· As a Senior developer, must be comfortable switching tasks between Web Services, APIs, Batch Job engine or Web Development.
· Passionate Java developer who is also a problem solver and has a very good understanding of core and advanced Java concepts.
· Good understanding of database and data fundamentals in SQL Server 2017, Oracle and NoSql databases.
· Good understanding of Web Service concepts and experience building RESTful services is required.
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications. . You'll be required to apply your depth of knowledge and expertise to all aspects of the software development lifecycle, as well as partner continuously with your many stakeholders daily to stay focused on common goals You will be part of a talented software team that works on mission-critical applications
Responsibility
- Write automated test cases to test code.
- Excellent teamwork skills with an ability to get the work done with minimal
- Experience with multiple mobile platforms is a plus.
- A passion and will to accept any new technical challenge that may come across.
- Linux scripting and SSH terminal
- Conceptual, Working knowledge of - DBMS, SQL, PL/SQL.
- Ability to write clean and documented code.
- A team player can provide technical expertise for a small team of developers.
- Strong hands-on and experience in core Java - Java/J2EE
- Design and implement new features, create UI, debugging, and data modeling.
- To update and sync with other team members daily.
- Ability to communicate effectively, both written and oral, at all levels to various technical and non-technical audiences
- Testing all applications against software and hardware versions. Provide timely turnaround and documentation of things implemented.
Additional preferred skills * JSP/Servlets OR JQuery/HTML5 AND JavaScript
Requirements:-
- Working knowledge of - MySQL.
- Working experience on Struts/Spring.
- Experience with web services standards and related technologies - SOAP/Rest, AJAX, JSON, and XML.
- Hands-on Java Engineers, with experience building consumer-facing or enterprise applications using Java stack – Spring, Hibernate, MySQL
- Strong problem solving and analytical skills
- Strong understanding of Object-Oriented Programming concepts and Design patterns.
Do You Know? (Skills good to have)
- Exposure to building service-oriented distributed systems
- In building systems that process big data in a distributed environment, either in real-time streaming or offline batching.
- In messaging systems like Kafka, RabbitMQ, kinesis, etc.
- In real-time computation tools like Storm / Spark or Hadoop-based tools.
- In Data warehousing technologies like Redshift, BigQuery, etc.
- You will design, build and own APIs and Services, which will be the core of the product.
- You will participate in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- You will part of developing ideas for new programs, products, or features by monitoring industry developments and trends.
- You will have to take lead on projects, compile and analyze data, processes, and codes to troubleshoot problems and identify areas of improvement.
REQUIREMENTS
- 3-5 years of experience in building highly scalable backend systems.
- Fluency or understanding of specific languages, such as JAVA, Operating System may be required, and Experience in Databases such as MySQL or Postgre SQL
- Strong understanding of Computer Science Fundamentals, Data Structures and Algorithms, SOLID Design Principles, and REST Patterns.
- Focus on efficiency, user experience, and process improvement.
- Excellent project and time management skills.
- Strong problem-solving and communication skills.
- Ability to work independently or with a group











