
ompany Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Job Title: Java Developer
Experience range:- 3-6 Years
Location:- Chennai
Face 2 Face Drive : Friday & Saturday (11th & 12th July 2025)
· Strong written/verbal communication skills
· Minimum 3+Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
- Good experience in Spring boot.
- Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
- Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
- Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
- Expert level understanding of Object-Oriented Concepts and Data Structures
- Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

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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Job Description below:
Software Engineer-Java
- Experience in Core Java 5.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
- 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-volume server-side development
- 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.
Job Brief-
· Understand product requirements and come up with solution approaches
· Build and enhance large scale domain centric applications
· Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines
2. Hands-on experience with Hibernate/JPA
3. Added advantage if known MicroServices and Design Patterns
4. Experience working with tools like Git, Jenkins, Maven
5. Working knowledge with Oracle or MySQL Database
6. Strong agile/scrum development experience
1.Plan and perform data migration into the new systems from the existing legacy ERP.
2.Should have working knowledge coding in C# with latest syntax of .Net.
- Should have sound knowledge around OOPS and aware of its applications - classes, interfaces, inheritence and composition
- Should have sound knowledge in SQL Queries.
3.Working knowledge in Dynamics 365 customizations and configurations including workflows, plugins, custom workflow activities, javascript, sitemap/ribbon customizations,
4.Should have written C#/Javascript code to consume D365 APIs or any other APIs externally. Knowledge in SSIS/KWS, SCRIBE is an advantage.
- Should have experience in writing D365 Fetch-based reports.
- Sound functional knowledge in atleast 1or2 of Sales, Service and Marketing modules.
- Strong HTML5 an CSS skills is a must.
- JQuery
5.Experience developing and deploying business applications using Microsoft's Dynamics Power Platform.
6.Core Skills: D365, CRM SDK, XRM Toolbox, Model Driven Power Apps and Power Automate
7.Train new users on the functionality of the CRM Platform
8.Conduct refresher courses on the usage of the platform
9.Maintain log of all changes done on the Platform.
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What you'll do
You will work collaboratively in small teams and iteratively through design and development to deliver fully functioning web-based and mobile applications. In this role, you will employ agile methodologies to quickly provide our consultants with the solutions they need. You will help combine the latest open source technologies together with traditional Enterprise software products. You will be a core member of the team with responsibilities that range from driving the architecture design and technology decisions for shaping the next generation products for various internal teams to ensure that we stay on the leading edge of technology. You will also be responsible for leading multiple development teams while delivering the best in class enterprise-grade software solutions across a breadth of different platforms and technologies.
Backend
Roles & Responsibilities:
- Excellent problem-solving & analytical skills & OO principles
- Solid understanding of the data structure & algorithms.
- Expert knowledge with any one of the Javascript Framework such as Node Js.
- Any additional experience with Java or python, GoLang would be nice to have.
- Experience working with SQL database like MySQL or PostgreSQL
- Experience working with NoSQL databases like mongoDB, couchbase would be nice to have
- Working experience with cache like redis, mem cached or elasticache would be nice to have
- Working experience with Message Queues would be a great advantage.
- Experience with deployment & AWS would be nice to have
- Ability to do in depth analysis or problem statement or use case & Build robust & scalable architecture
- Logging & monitoring of the production system in real time
- Lead a team of 2-4 team members & make sure team practices defined coding practices across the project.
| Upgrade existing Java (1.6) application running on Apache Tomcat to new Java (1.8) version and new Apache Tomcat version |
| Make necessary code changes for porting application to new Java versions and Tomcat versions |
| Set up new application environments for Dev, SIT and Production |
| Perform unit testing and support user testing. |
| Deploy new upgraded application in production |
| Provide post implementation support. |
| Analyze and resolve defects coming out of testing and post production deployment. |
| Modify existing application code to use Sql Server as backend. |
| Develop Java code as needed. |
- Own development, design, scaling and maintenance of application and messaging engines that power the central platform of Capillary's Cloud CRM product.
- Contribute to overall design and roadmap.
- Mentor Junior team members.
Required Skills:
- Innovative and self-motivated with passion to develop complex and scalable applications.
- 3-5 years of experience in software development with strong focus on algorithms and data structures.
- Strong coding and design skills with prior experience in developing scalable & high availability applications using Core Java/J2EE, Spring, Hibernate.
- Work experience with Relational databases is required (Primarily MySQL)
- Prior work experience with Non-Relational databases (primarily Redis, MongoDb) is an added plus.
- Strong Analytical and Problem Solving Skills.
- BTech









