
5+ years of Experience designing, building and testing Java EE applications
Experience designing, implementing, and integrating Spring and/or Spring Boot
Good knowledge in recent version of Java, Oracle, JBoss, Hibernate
Experience in working with Messaging systems like Apache Kafka
Developing low level designs based on HLD
Reviewing code to check coding standards and best practices to ensure quality.
Hands on knowledge in Unit testing Framework like Junit and good understanding on Exception Handling in Java
Good Knowledge in UI like React or Angular
Experience designing SOAP / RESTful web services
Working on bug fixing and improving application performance
Familiarity with build tools such as Maven and Gradle.
Familiar with various design and architectural patterns
Familiarity with continuous integration

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
- Contribute to all stages of the software development lifecycle
- Design, implement and maintain Java-based applications that can be high-volume and low-latency
- Analyze user requirements to define business objectives
- Envisioning system features and functionality
- Define application objectives and functionality
- Ensure application designs conform with business goals
Hiring: Java Developer (Spring Boot, AWS, Microservices) 🚀
📍 Location: [Specify Location] | 💼 Experience: [4+] Years | 🏢 Full-time
We’re looking for a Java Developer to build scalable, cloud-based applications using Spring Boot, Microservices, and AWS. If you love coding, designing robust APIs, and working with cutting-edge tech, join us!
🔹 Must-Have: Java, Spring Boot, Microservices, AWS
🔹 Good-to-Have: Docker, Kubernetes, CI/CD
- Write maintainable/scalable/
efficient code. - Design and architect technical solutions for the business problems of a very large e-commerce portal.
- Work in a cross-functional team, collaborating with peers during the entire SDLC.
- Follow coding standards, unit-testing, code reviews etc.
- Follow release cycles and commitment to deadlines
- Experience level of 3 to 6 years of experience in very large scale applications.
- Strong problem-solving skills, OOPs, data structures and algorithms.
- Experience with distributed systems handling large amounts of data.
- Excellent coding skills in Java/J2EE.
- Very good understanding of Web Technologies.
- Very good understanding of any RDBMS and/or messaging.
- B Tech/BE in Computer Science or equivalent from a reputed college.
2+ years of experience developing web applications using J2EE.
2+ years of experience in Spring Boot.
Good knowledge of MicroServices.
Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience.
Working experience in Industry Standard protocols related API Security including OAuth is a must.
Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.
Strong Shell scripting experience
Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.
Strong collaboration and communication skills within distributed project teams
Excellent written and verbal communication skills
• Understanding of OOPS Concepts and data structure
• Have practical knowledge/experience in JAVA , Microservices , Springboot , hibernate and
MySQL database
• Have idea in scrum and agile methodologies
• Good communicator and problem-solving attitude is a sure winner
• Teamwork skills, great attention to detail and organizational skills
BASIC QUALIFICATIONS
- At least 8+ years of IT experience most of which will have been in helping the design and implementation of the software suite/module.
- 2+ years on any Cloud Platform (AWS, Azure, Google etc).
- Bachelor’s degree in Information Science / Information Technology, Computer Science, Engineering, Mathematics, Physics, or a related field.
- Strong verbal and written communication skills, with the ability to work effectively across internal and external organizations.
- Strong programming skills in Java.
- Strong hands-on experience in integrating multiple databases like Oracle, SQL Server, PostgreSQL etc.
- Deep hands-on experience in the design, development and deployment of business software at scale.
- Customer facing skills to represent AWS well within the customer’s environment and drive discussions with senior personnel regarding trade-offs, best practices, project management and risk mitigation
- Leading/Involved in highly-available and fault-tolerant enterprise and web-scale software applications.
- Experience in performance optimization techniques
- High end Troubleshooting and Communication skills.
- Proven experience with software development life cycle (SDLC) and agile/iterative methodologies required
PREFERRED QUALIFICATIONS
- Implementing experience with primary AWS services (EC2, ELB, RDS, Lambda, API Gateway Route53 & S3).
- AWS Solutions Architect Certified
- Experience in programming languages like Java/Python.
- Demonstrated ability to think strategically about business, product, and technical challenges
- Integration of AWS cloud services with on-premise technologies from Microsoft, IBM, Oracle, HP, SAP etc.
- Experience with IT compliance and risk management requirements (eg. security, privacy, SOX, HIPAA etc.).
- Extended travel to customer locations may be required to sell and deliver professional services as needed
• Build the front-end of the application in Liferay
• Develop and manage well-functioning databases and backend applications using Liferay
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and fix issues
• Write technical documentation
• Manage VM instances on the cloud
Skills:
• Self-driven, flexible, and innovative with Outstanding analytical, problem-solving, and
communication skills
• Understanding of fundamental design principles for building a scalable application
• Strong knowledge and experience of Java, Liferay and JBPM
• Technical Skills:
• Languages
o Java
o Javascript
o jQuery
o ANSI -SQL
• Frameworks/Libraries/Servers
o Liferay 6.2X
o JBPM 3.x
o Tomcat 7
o Databases
o MYSQL Server
JOB DESCRIPTION – JAVA & JBPM - Q21.D.JAVA005
Quadwave Consulting Private Limited | 2
• OS
o Linux (Ubntu/CentOS)
Qualifications:
• Minimum 4 years of experience in full-stack development of Liferay based portal application
• Minimum 3 years of experience to develop applications using JBPM
• 4-7 years of experience in Java, HTML, Javascript
• Hands-on experience in working with MySQL
• Bachelor’s Degree or equivalent experience
Immediate Joiners only.
JD:
Hands on Experience in Java, Advanced java ,JSP Servelets, Core java,
spring , hibernate , J2EE , springboot.
Experience into Restful Web services and Database like MS sql.
Should be able to work independently.
Should be able to work with team.
Employment Type

- A hands-on application developer who is passionate about Java development, building highly scalable and resilient applications, and focused on solving complex business problems
- He/She will have responsibility for unit-level design, coding, unit testing, integration testing, and participating in the full SDLC
- He/She will be expected to produce high-quality code that can pass critical peer review, and to work under a high-pressure and timeline-driven environment.
- Actively participate in development along with team members in creating modules & systems that can be treated as a working reflection of the best practices
Qualifications
- Bachelor’s degree or higher in Computer Science or Engineering equivalent
- Minimum of 3 years’ experience in Java development
- Responsible, organized and possess critical thinking with good interpersonal and communication skills
- Able to demonstrate good analytical problem-solving abilities and strong leadership aptitude
- Able to work at both abstract and detailed level
- Must be fluent in English, and strong communication skills.
- Motivated self-starter that likes to work as part of a team
Technical Requirements
- Strong experience in Core Java 8 and above, Collections and Data structures.
- Develop solutions using core java, Spring / Spring Boot, JSON, Rest API and other web technologies
- Hands on with UI development with strong experience in HTML5, JavaScript, CSS3, Responsive UIs. Added advantage for exposure to Angular. Knowledge on Liferay will be added advantage. Ability to design and develop UIs and end to end integration.
- Object oriented analysis and design using common design patterns
- Excellent knowledge of Relational Databases, SQL and ORM technologies (Hibernate and Mybatis)
- Strong knowledge of test-driven development and continuous integration
- Preference towards candidates having excellent Java multi-threading skills
- Passion for collaboration and working on agile teams
- Develop and Consume Web Services using REST.
- Enforcing and Writing code following good standards (well documented with good code coverage and properly tested code)
Backend Developer
Role : Backend Developer
Department : Technology Team
Experience : 2 - 3 Years of working experience in Backend
Experience in a related position from Gaming Industry would be preferred
Location : South Delhi; 5 Day Working
Qualification : Bachelor’s degree in Technology
Major Skills : Java, NodeJs, Microservices, Data Structures, etc
Ideal Candidate Requirements :
- Experience in development of Java and NodeJs based applications.
- Experience in building microservices from scratch to production level.
- Strong experience in Core Java and MultiThreading
- Good Knowledge of Data Structures
- Worked on Oracle, REDIS and DYNOMITE
- Good Knowledge of Telecom Protocol SIP
Ideal Candidate Skills Requirements :-
- Distributed systems - Microservices - Algorithm design, System Design
- Performance Engineering, Scalability and Architecture
- Gaming Models, Matching and Allocation Algorithms
- Spring Boot, Hibernate, Java reactive, JPA
- Relational Databases - MSSQL,
- Design Patterns : MVC, Singleton, Adapter, Factory, Builder, Strategy
- Messaging Queues - Apache Kafka
- Cache - Redis
- Search - Elastic Search
- Java
- NoSQL - Mongo, Cassandra
- Jenkins, GIT, BitBucket, JIRA

