
Required Skills for the Java role :
- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- 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.
- Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, 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.
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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
- 3+ years of experience in the Development in JAVA technology.
- AWS or cloud Experience
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- 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 of AI/ML algorithms is a plus.

- 4+ years JAVA/J2EE experience Spring Services, Spring Security and Rest Api's
- Spring Framework: Core Spring / Spring Boot / Spring MVC ,Rest Service
- JPA/Hibernate, JSON parsing
- Build Tool : Maven
- Apache tomcat
- Database : Any RDMS (preferably Mysql)
- SCM: Git / Bitbucket
- Java 8 Generics, SOLID Design Principle
- Strong experience on Collections Framework and Threading
- Collections: Hashmaps, Concurrent Hashmaps, Treemap, Thread pool
- SSO, PAS, JPA/Hibernate, API Integration Build, MATLAB Integration with Java, Json Conversion.
- Location : PAN India(Preferred Bangalore)
- Early joiners preferred.
What You'll Do:
- Understand the upcoming development requirement of product in depth.
- Design product architecture as per vision, insights and concurred direction.
- Design and develop the APIs using Java, Spring, and Hibernate required for the product and expose them to be used by the front-end developers.
- Design the database and tables in MySQL/PostGreSQL/NoSQL (whichever is suitable for the need of the product) and guide the team to utilize them in the best possible way.
- Get involved in continuous maintenance of the product and get the bugs fixed in time.
- Coordinate the workflow between the UX Designers and front-end developers.
- Work on integrating flows with external tools - Segment, Branch, Clevertap.
Ideal Profile:
- Proficiency in Core Java & Spring framework.
- Expertise in Web Service technologies.
- Experience in building the architecture as per the product’s need.
- Experience in building REST APIs using Java/Spring.
- Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL.
- Experience in full life cycle development of a product (specifically mobile products) is a plus.
- Experience with Java/Spring-Boot, Hibernate Cloud Services, AWS.
- Experience with security principles and frameworks.
- Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools (primarily Git).
- Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Tomcat, SVN, Git, Postman/Newman.
- Should have worked in Agile methodologies.
- Good object-oriented and problem-solving skills.
- Strong communication skills along with the ability to work in a highly collaborative environment.
Experience:
The candidate should have about 5+ years of experience with design and development in Java/Scala. Experience in algorithm, data-structure, database and architectures of distributed System is mandatory.
Required Skills:
- In-depth knowledge of Hadoop, Spark architecture and its components such as HDFS, YARN and executor, cores and memory param
- Knowledge of Scala and Java both
- Extensive experience in developing spark job. Should possess good Oops knowledge and be aware of enterprise application design patterns.
- Good knowledge of Unix/Linux.
- Experience working on large-scale software projects
- Understanding the big picture and the various uses cases involved while crafting the solution and documenting them in Unified Modeling language.
- Own and maintain the architecture document.
- Keep an eye out for technological trends, open-source projects that can be used.
- Knows common programming languages and Frameworks.
- Real time streaming data consumption
Good to have :
- Azure/AWS Cloud Knowledge of Data Storage and Compute side
- Knowledge Multitenant Architecture
- Brief idea of Data Science


Baetho is a solution focused company aimed at creating and democratizing
the development of customer experience applications through our
proprietary no code platform.
At Baetho, we offer a fun environment and the chance to work with a highly
skilled and motivated team. Our culture is focused on employee happiness,
customer satisfaction and high-quality execution. If you have the right vibe
and believe in fairness and freedom, you’re a great fit for us.
Working Days: 5 days a week, Monday to Friday (some weekend work
required)
As Back end developer, we expect you to be motivated in solving real-life complex problems and create compelling experiences for our Resellers. Being a small company we have a culture of creative problem solving, intellectual design, fast-paced development, and passionate product delivery. Enhance or build Restful web services for our mobile app.
Responsibilities:
- Develop server-side components, REST APIs
- Assume ownership for existing and new modules including design, development, and unit testing for enhancements of existing modules and development of new modules.
- Analyse problems logically and exercise sound judgment in defining, evaluating, and solving difficult technical and operational problems where solutions may be of a precedent-establishing nature.
- Lead the design and architectural improvements
- Participate and collaborate with team members in design discussions, determines areas of complexity, potential risks to successful implementation, suggest enhancements to architecture, implement POCs, and enhance application.
- Reduce technical debt with quality coding
Requirements:
- A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field) from IITs and Premier Engineering College.
- Excellent Object Orientation, coupled with excellent problem solving and debugging skills.
- Highly skilled at Java and related technologies, including Java Frameworks like Spring-boot or Drop wizard, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr.
- Must have hands-on experience in building scalable and secure back end systems.
- Have hands-on experience with systems that are asynchronous, RESTful and demand concurrency
- Good to have knowledge of best software engineering practices for all stages of the software development life cycle, including coding standards, code reviews, testing, deployment.

