
8–12 years of experience in Java application development.
Strong hands-on experience with Java, Spring, Spring Boot, and Hibernate/JPA.
Proficiency in SQL and relational databases (Oracle, SQL Server, PostgreSQL, or MySQL).
Experience in SQL query optimization, indexing, execution plan analysis, and database performance tuning.
Knowledge of REST APIs, Microservices, Maven/Gradle, Git, and JUnit.
Familiarity with CI/CD tools and Agile methodologies.
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. We help clients build world class products.
· Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.
· Globally present with offices 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.
· Wissen Technology has been certified as a Great Place to Work®.
· Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
· Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
· 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.
We have served clients across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include the likes of Morgan Stanley, MSCI, State Street Corporation, Flipkart, Swiggy, Trafigura, GE to name a few.

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.
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JOB DESCRIPTION
Experience: 3-9 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. - 3-9 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.
JOB DESCRIPTION:
Location: Pune, Mumbai
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Key Responsibilities:
- Development of a Single Page Application (SPA) and it's components in Typescript: deployed and optimized for progressive mobile and browsers using Angular 2 and Ionic 2 frameworks.
- Creating custom, general use modules and smart components which extend the elements and modules of core Angular framework.
- Creating self-contained, reusable, and testable modules and components in Typescript and using responsive HTML and CSS.
- Architecting and automating the build process for production, using task runners or scripts.
- Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
Skills and Qualifications:
- Should have experience with CSS 3, SCSS, Java script and HTML5.
- Full-time knowledge of Angular practices and commonly used modules based on extensive work experience. Or 2 Year or more experience with other industry-leading frameworks like React.
- Minimum 1-year experience in working and extending one of the CSS or UI frameworks like Ng-lightening, Angular-material
Education:
- BE / BTech / MCA
Job Overview:
We are looking for a Java Developer with experience in building high-performing, scalable,
enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications:
• BE/MCA/BCA/MS/BS degree in Computer Science, Engineering, or a related subject
• Minimum 1 to 4 years of experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Micro service architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
Job Description
Job Summary
- BS/BE/BCA/MSC/MCA degree in Computer Science, Engineering or a related subject
- Hands on experience is preferable in designing and developing applications using Java EE platforms
- Object oriented analysis and design using common design patterns.
- Profound insight of Java and J2EE internals
- Excellent knowledge of Relational Databases and SQL
- Experience in developing web applications using at least one popular web framework (JSF, HTML5, MVC)
- Knowledge on Micro services, Containers / Docker would be added advantage.
- Knowledge on data science would be preferred.
- Exposure to building API, rest service and webservices.
- Exposure to open source like Tensor flow, NIFI, Stream pipes etc.,
- Experience with test-driven development
- Good communication skills and client-oriented attitude
- Organized and detail-oriented person
- Problem solving skills, analytical mind and positive attitude
- Results oriented and focused on meeting deliverable timelines
- Availability to travel, if needed
- Fluency in English is a must
Responsibilities and Duties
- Design and develop features and modules for mission-critical applications
- Build modules on MES products like (SAP, Apriso, Rockwell etc.,)
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies
Required Experience, Skills and Qualifications
2 - 5 years of hands-on Software Development experience using the below mentioned Technologies
- Java / J2EE
- EJB, JSF, Servlets
- HTML, HTML5
- SQL server / Oracle
- Json, webservice and etc.
Benefits
- Candidate would be Trained on SAP modules.
- Industry best pay.
Job Type: Full-time
Are you a high-performing, collaborative, results oriented and technologically savvy person who is keen on sales in the digital industry? Then this highly visible role is for you!
Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment and maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen doctor-patient relationship and enhance the in-clinic experience.
As the Java Developer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot based programs and data analytics.
What you will do:
- Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
- Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
- Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
- Developing the Code as per the requirements
- Working with product team and constructing the tech roadmap
- Designing, building and scaling the company's backend microservices
- Maintaining code integrity and organization
- Applying all quality requirements to make the code production ready
- Developing and deploying new features to facilitate related procedures and tools if necessary
- Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
- Designing and building efficient, reusable, and reliable Java code
- Pro actively catching and fixing bugs, and providing support for the back end services
- Managing servers and infrastructure by keeping the lights on and refining the deployment architecture
What you need to have:
- Expert at hands on programming in JAVA and J2EE
- Must be from Product based companies (Should have developed Web Apps)
- Proven expertise in Java interfaces with MongoDB (or similar noSQL databases) as well as relational databases (mySQL, Postgres etc)
- Key contributor in atleast one 6+ months development project involving SpringBoot and Hibernate
- Strong understanding of application server infrastructure
- Good working knowledge of Maven based build systems
- Good understanding of build and deployment pipelines that involve ANT and Jenkins
- Proficient understanding of code versioning tools, such as Git or SVN
- Good knowledge of working on Rest APIs , Webservices
- Excellent problem-solving skills
- Hands on experience with Lucene/Solr
- Familiarity with DiagFlow based chat bot building
- Knowledge of NLP
- Learnt AI/ML systems
- Excellent interpersonal skills and the ability to build good working relationships.
- Must be self-motivated to prioritize and manage workload and meet critical project milestones and deadlines.
- Able to effectively collaborate with a team as well as take initiative and work independently to solve problems
Collaborate with clients and internal teams to develop appropriate solutions
• Brainstorm with team members and prove the ability to think on the fly.
Requirements
• Core Java
• Spring Boot, Spring Rest, Spring Data
• Testing framework - Junit, Mockito
• Experience in deploying applications on one of public cloud preferably Microsoft Azure. (Other
- AWS or Google Cloud)
• Experience in one of messaging platform preferably Kafka (Other - Rabbitmq or Active MQ)
• Docker
• Kubernetes
• Others – Linux, Git, Maven, CI/CD pipeline
• Experience in working with Agile teams
Good To Have
• Git (6+ years of experience)
• Develop test cases, conduct SIT, load test, and tune the performance of systems to meet
acceptance criteria.
• Perform and manage stages of the SCRUM and participate in the systems review with Project
Lead/Manager.
• Experience in the development of cloud-native applications is an added advantage.
• Experience working in Agile teams
What We Offer
• National and International Business Trips (if there is an opportunity)
• Culture of Knowledge Sharing and Training
• Modern & lively working environment
• Opportunity to write books, participate in conferences
• International assignment
· Experience in object-oriented design/programming and proven experience as a Software Developer
· Experience with software design and development in a test-driven environment.
· Self-starter with high level of commitment and motivation
Job Description
Required Skills:
- Demonstrated and strong experience with Java Development (1.8 and above), Spring Boot, ability to design API and RESTful services, and an understanding of transactions
- Strong experience writing Microservices using Java 1.8 and above.
- Good Experience in Behavior Driven Design ( Cucumber , Gherkin ).
- Data design experience in application, noSQL, familiarity with modern technology and architecture (cloud, virtualization, object stores, etc.), and experience with SDLC tools and agile development methodology
- Experience with Angular JS preferred.
- Experience with spring cloud , swagger and devOps tools preferred
- Experience in Domain Driven Design preferred.
- Experience with Mulesoft preferred.
- Experience in SAFe Agile methodology preferred.
- Experience in building presentation layers using Front-end technologies
- Good problem solving skills and strong analytical skills.
- Ability to lead technology initiatives, develop reports, dashboards, and processes to continuously monitor data quality and integrity, an ability to interpret system / business requirements and prepare specification and design document.
Desired Skills:
- Java, J2EE, JDBC , EJB, Servlets,, Messaging Platform, Agile waterfall








