
Job Title: Java Developer
Java Developer – Job Description 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 to 14 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 clientfacing 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
Similar jobs
About the Role
We are seeking a highly skilled and motivated Senior Backend Developer with strong expertise in Node.js and AWS to join our dynamic team. The ideal candidate will have solid backend development experience, with additional working knowledge of PHP and Python. Exposure to frontend frameworks like React.js and Angular will be considered a strong advantage.
Key Responsibilities
• Design, develop, and maintain scalable backend systems and APIs using Node.js.
• Deploy, manage, and optimize applications on AWS cloud infrastructure.
• Collaborate with cross-functional teams (frontend, product, QA) to deliver end-to-end solutions.
• Ensure application performance, security, and scalability.
• Write clean, maintainable, and testable code following industry best practices.
• Work with databases (SQL/NoSQL) to design efficient data models and queries.
• Integrate third-party services and APIs when required.
• Contribute to code reviews, technical discussions, and mentoring of junior developers.
• Support continuous integration and deployment pipelines.
• Troubleshoot, debug, and optimize existing applications.
Requirements
• 4+ years of backend development experience.
• Strong expertise in Node.js and hands-on experience with AWS services (EC2, S3, Lambda, etc.).
• Good working knowledge of PHP and Python.
• Strong understanding of RESTful API design, microservices architecture, and databases (MySQL, PostgreSQL, or MongoDB).
• Working knowledge of React.js and Angular is preferred.
Responsibilities
- Clarify feature requirements with product team
- Design end to end feature flow
- Write scalable and bug free code
- Take care of test and deployment pipeline
- Maintaining the existing products
Skills And Qualification
- Must have experience with any scripting language (Javascript/NodeJS preferred)
- Experience with API-driven and highly scalable application is a plus
- Good knowledge of non relational DB (MongoDB preferred)
- Good with data structure and algorithms
- Good to have an experience with testing framework and CI/CD pipeline
- responsible for building .NET applications.
- WEB-API OR MVC with C# is a must.
- Hands-on SQL Server with Expertise in complex Procedures and SQL Performance Optimizations.
- Being good with Front End, React or Angular will be a plus but not Mandatory.
- Knowledge of Javascript, Jquery Ajax.
- In-depth understanding of Agile, Scrum and Kanban
Position Summary
We are looking for a Software Engineer to join our creative team of UI designers and developers. You will work with a team of experts in user experience, design, web application backend and frontend development.
As a Software Engineer, you will implement easy-to-use and scalable web applications offering creative solutions to configure, monitor, and visualize new generation edge computing services. You will vet various open source and close source technologies, components, libraries, tools, etc. and help build a scalable, highly available, and easily manageable system
Responsibilities:
-
Architect and design intelligent web applications that serves the diverse requirement of edge computing solutions
-
Code while considering performance, scalability, maintainability, and flexibility
-
Innovate on features to deliver simple and intuitive usage for provisioning, monitoring, information visualization, debugging, and big-data analysis
-
Collaborate with architects, UX designers, and product managers to build a delightful user experience
-
Chip in to design end-to-end system architecture, working with different technical teams
-
Learn and apply new technologies, best design practices and usability patterns
-
Share the knowledge with code reviews and suggestions to ensure quality of product according to standards, processes and procedures.
Knowledge, Skills and Abilities
-
At least 3 years of experience with JavaScript
-
At least 2 years of experience with Typescript and Angular
-
Strong knowledge of HTML5, CSS3, and SASS/SCSS
-
Deep understanding of e2e testing and test automation of web applications
Qualifications
-
At least 3 years of experience and BS/BA or MS in Computer Science/related field or equivalent work experience.
Role- Software Development Engineer-2
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
You write high quality, maintainable, and robust code, often in Java or C++ or C#
You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
You solve problems at their root, stepping back to understand the broader context.
You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
You recognize and use design patterns to solve business problems.
You understand how operating systems work, perform and scale.
You continually align your work with Amazon’s business objectives and seek to deliver business value.
You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
Bachelors or Masters in Computer Science or relevant technical field.
Experience in software development and full product life-cycle.
Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
Proficiency in SQL and data modeling.
What essential skills you need
▪ 8-11 years’ experience in back end Java/J2EE application development.
▪ Expertise in developing internet web applications using Java/J2EE technologies.
▪ Experience of working in a service-oriented architecture and web-based development.
▪ Experience in writing XSD, Wiz-dull including parsers like SAX, DOM.
▪ Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA.
▪ Experience in Java Version 7.0+. Good experience with JMS, Spring & Hibernate.
▪ Experience in identifying database solutions for a given problem, preferably MySQL.
▪ Demonstrated ability to analyze business/functional requirements, develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team.
▪ Hands on experience on tools like Log4j, JUnit, Mockito, SVN, Maven, Covertura.
▪ Knowledge in Java queuing system.
▪ Extensive Experience in using MVC (Model View Controller) architecture for developing applications using JSP, JSTL, Java Beans and Servlets.
▪ Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle/MYSQL/NoSQL/HQL.
▪ Experience with e-commerce, retail, analytics, advertising, or media would be an advantage

Demonstrable experience in Core Java (8 or higher) and Spring framework (Core, AOP, Batch, JMS).
Multithreading, Data structure, Algorithm, Eceptional handling,OOPS Concepts, collections
- Excellent customer facing skills that include conducting compelling technical briefing & demonstrations. The person should have a technical aptitude to implement new technologies and articulate the solutions to the customer.
- Java, Spring with Database & Unix - Preferred with Scala or Spark(Hadoop) background
- Proven knowledge in OOPS & Data Structures
- Strong experience of developing multi-threaded and synchronization application
- Demonstrated delivery experience of Micro services APIs using Springboot, Oracle PL/SQL development and activities like Performance tuning / Optimization.
- Experience of using Git/Bitbucket, Maven/Bamboo, & related tools.
- Good Understanding of Agile Delivery Methodology & experience in working with Scrum teams.










