
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 5-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· 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.
· While you may already know about Wissen and the company history, here is a quick rundown for you.

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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Our Client details
🔍 Who We Are:
Join Leading Healthcare, a U.S.-based product company transforming the $1.1T health insurance space. From our growing Bangalore tech hub, we power systems that support 81M+ lives and process millions of health claims daily.
🚨 Now Hiring: Senior Java Technical Support Engineer 🚨
📍 Location: Bangalore | Hybrid | Onsite role
💼 Experience: 4–8 Years | 🕒 Immediate to 30 Days
Are you the Java Support Rockstar we’re looking for? 🎸
Join our team in Bangalore to solve real-world problems in the healthcare domain!
Your Mission:
🛠 Development | 🧠 Troubleshooting | 🔍 Analysis | 🧪 Testing
🌐 Java | J2EE | REST APIs | WebLogic/WebSphere | Oracle RDBMS
🐧 Linux Scripting | 🧵 Multi-threading & debugging | ♻️ Garbage Collection | Solid SQL | Concurrency, GC, serialization |Strong Scripting skills in Shell/Unix
You’ll be working on:
🩺 Critical Healthcare Systems
📞 Supporting enterprise customers
🔧 Debugging, testing, enhancing platforms
🌍 Collaborating with global teams
🌐 Work across REST APIs, WebLogic, RDBMS, Linux, Unix, Shell and more
📈 Identify & solve performance bottlenecks
🧠 You’ll Analyze. Troubleshoot. Test. Develop.
👥 Lead teams, support enterprise apps, and build rock-solid systems.
Why You Should Apply:
✅ Leadership opportunities
✅ Cross-functional exposure with US teams
✅ Huge tech learning curve
✅ Hybrid work with global impact
We are looking for a Senior Java Developer with 6+ years of experience to join our team. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, and Cloud Technologies. You will play a key role in designing, developing, and optimizing scalable applications while mentoring junior developers and ensuring best coding practices.
Key Responsibilities:
- Design, develop, and maintain Java-based enterprise applications.
- Implement and optimize Microservices Architecture using Spring Boot.
- Develop, test, and deploy RESTful APIs and Web Services.
- Work with SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Ensure application scalability, security, and performance.
- Collaborate with DevOps teams for CI/CD pipeline integration.
- Work with Cloud platforms (AWS, Azure, or GCP) for cloud-native development.
- Implement best practices for coding, testing, and deployment.
- Lead code reviews, mentor junior developers, and contribute to architectural decisions.
- Troubleshoot production issues and provide effective solutions.
Required Skills & Experience:
- 6+ years of hands-on experience in Java development.
- Strong expertise in Spring Boot, Spring MVC, and Spring Security.
- Experience with Microservices Architecture and containerization tools like Docker/Kubernetes.
- Proficiency in SQL & NoSQL databases (MySQL, PostgreSQL, MongoDB, Redis).
- Hands-on experience with RESTful APIs, messaging systems (Kafka, RabbitMQ), and authentication mechanisms (OAuth, JWT, SAML).
- Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD).
- Experience in Agile/Scrum development methodologies.
- Strong knowledge of multi-threading, concurrency, and design patterns.
Requirements
- 3+ years of experience in the Development of JAVA technology.
- Strong Java Basics
- Linux
- SpringBoot or Spring MVC
- Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Java 8
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem-solving skills.
- Ability to work in a fast-paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding AI/ML algorithms is a plus.
1. Need to have an understanding of Elastic Search, Kafka, mongo DB, etc.
2. Should have experience of Jupter noobooks, data bricks
3. Java, Pythons
4. Senior level, 5-10 years of experience
5. It is important they have those skills so that they can take over current work. There are codes written in both Java as well as Python. (Java is legacy but that is the main search engine code). So it will be counter-productive if engineers hired have experience in both.
6. Excellent communication, analytical, research, grasping skills

- Strong experience with one or more general purpose programming languages including but
not limited to: Python, Java, C/C++, C#
- Demonstrated expertise working with at least one modern enterprise application frameworks like
Spring Boot, Play Framework, Django
- Demonstrated expertise in building scalable distributed applications in microservices architecture
- Expert knowledge of best practice software engineering methodologies and coding standards
- Strong and proven advocacy for Test Driven Development is preferred
- Experience with SQL (mySQL, Postgres, etc) and NoSQL (MongoDb, DynamoDB, Aerospike or Redis)
- Production experience in running cloud-based enterprise-grade systems at scale
- Natural ability to process requirements, figure out multiple execution options, their complexity, and
estimate the scope of work required to get tasks done
- DevOps experience
- Cloud experience (AWS required, Google Cloud Platform bonus
Job Location: New Delhi
What you’ll do:
- Contribute to all phases of the Software development lifecycle
- Write well-designed testable, efficient code and complex code with Data Structure & Algorithms.
- Ensure designs are in compliance with specifications on Java and RestAPI.
- Prepare and produce releases of software component
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
- A Developer whose job includes writing complex code, testing, and fixing bugs.
- Maintain, design the database and organize collected information.
- A specialized programmer who focuses on multiple types of development.
What you’ll bring:
- 2 year to 5 years of proven hands-on Software Development experience.
- Strong experience in Java programming
- Expertise Knowledge of Data structures and Algorithms
- Proven working experience in a product-based organization (preferred)
- Understanding with Java frameworks Spring boot, Microservices and ORM frameworks.
- Must have the experience to design and build scalable REST APIs.
- Object-oriented analysis and design using common design patterns.



Founder’s LinkedIn profile
Dheeraj Pandey
(Founder, Investor, & Then-CEO of Nutanix / One of the Indian origin guy out of 10 Board Member of- Adobe / Alumni- IIT, Kanpur & University of Texas, Austin)
https://www.linkedin.com/in/dpandey/">https://www.linkedin.com/in/dpandey/
&
Chandra Nath
(Vice President- Nutanix/ Vice President, Head of International- Ola (ANI Technologies Pvt Ltd) – Alumni- IIT, Kanpur, The University of Chicago Booth School of Business)
https://www.linkedin.com/in/chandranath/">https://www.linkedin.com/in/chandranath/
&
Manoj Agarwal
(Co-Founder at Stealth Startup, Previously SVP Engineering & GM Hybrid Cloud at Nutanix/ Alumni- IIT, Kanpur)
https://www.linkedin.com/in/devreveler/">https://www.linkedin.com/in/devreveler/
- Headquarters: Austin, Texas, United States
- Year founded: 2020.
- Work Location: Bangalore
- Team size: 35-40 (In US from companies like Google, Airbnb, Blizzard, Facebook, Palantir, Microsoft, CapitalOne, Nutanix and Confluent)
- Funding: 50 M USD (raised the largest seed round in the history of Silicon Valley)
Note:
We already have a team of 30-35 people in San Jose, California, United States, now we are building a new team in india and they are hiring 0-5 years of rock stars from top notch colleges (Top 5 ranked IIT’s only & BITS) & companies only.
Note:
Basically, I did not have the exact JD with myself, but I can arrange an Exploratory call for you with above senior and core members of a company (Dheeraj/Chandra/Manoj).
Job Role – Backend developer.
If you think, you are one of them then please reply with your interest and we will take your candidature ahead for next level of evaluation. (No Bar of budget for strong candidate).
Looking forward to taking you to the next level of technology.
Warm Regards,
Rahul Rajput
Senior talent acquisition

Proficient in Java, J2EE and related technologies.
• Experienced in using spring, Spring Boot, Hibernate, messaging systems.
• Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate
• Expert understanding of the object-oriented design and programming concepts
• Strong working experience on Data Structures, Algorithms and Collections.
• Solid experience building applications on top of RESTful APIs.
• Knowledge/experience with Spring MVC
• Stroing knowledge in developing and executing automated unit, functional and integration tests
• Good communication and analytical skills.
• Strong trouble shooting skills



