
Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, data structure and SQL skills .
Required Skills:
- Experience - 5 to 10 years.
- Experience in Core Java 5.0 and above, CXF, Spring.
- Extensive experience in developing enterprise-scale n-tier applications for 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.

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 Title: Java Developer
Java Developer – Job Description 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. - 5 to 14 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 clientfacing 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 Title : Senior Software Engineer – Backend
Experience Required : 6 to 12 Years
Location : Bengaluru (Hybrid – 3 Days Work From Office)
Number of Openings : 2
Work Hours : 11:00 AM – 8:00 PM IST
Notice Period : 30 Days Preferred
Work Location : SmartWorks The Cube, Karle Town SEZ, Building No. 5, Nagavara, Bangalore – 560045
Note : Face-to-face interview in Bangalore is mandatory during the second round.
Role Overview :
We are looking for an experienced Senior Backend Developer to join our growing team. This is a hands-on role focused on building cloud-based, scalable applications in the mortgage finance domain.
Key Responsibilities :
- Design, develop, and maintain backend components for cloud-based web applications.
- Contribute to architectural decisions involving microservices and distributed systems.
- Work extensively with Node.js and RESTful APIs.
- Implement scalable solutions using AWS services (e.g., Lambda, SQS, SNS, RDS).
- Utilize both relational and NoSQL databases effectively.
- Collaborate with cross-functional teams to deliver robust and maintainable code.
- Participate in agile development practices and deliver rapid iterations based on feedback.
- Take ownership of system performance, scalability, and reliability.
Core Requirements :
- 5+ Years of total experience in backend development.
- Minimum 3 Years of experience in building scalable microservices or delivering large-scale products.
- Strong expertise in Node.js and REST APIs.
- Solid experience with RDBMS, SQL, and data modeling.
- Good understanding of distributed systems, scalability, and availability.
- Familiarity with AWS infrastructure and services.
- Development experience in Python and/or Java is a plus.
Preferred Skills :
- Experience with frontend frameworks like React.js or AngularJS.
- Working knowledge of Docker and containerized applications.
Interview Process :
- Round 1 : Online technical assessment (1 hour)
- Round 2 : Virtual technical interview
- Round 3 : In-person interview at the Bangalore office (2 hours – mandatory)
Job Description:
We are looking for a highly experienced Java Developer with expertise in Spring Boot and Microservices architecture. The ideal candidate will have 4+ years of experience in building scalable, high-performance applications.
Key Responsibilities:
- Develop and maintain Java-based applications using Spring Boot and Microservices.
- Create and implement RESTful APIs and integrate with third-party services.
- Design and build scalable, resilient microservices.
- Perform code reviews and optimize applications for performance and security.
- Deploy and manage applications on cloud platforms (AWS, Azure, or GCP).
- Implement CI/CD pipelines for continuous integration and deployment.
- Diagnose and resolve technical issues and production bugs.
Required Skills:
- Java 8+ or 11+ (strong proficiency)
- Spring Boot, Spring MVC, Spring Security
- Microservices architecture and distributed systems
- RESTful APIs and API gateways
- SQL and NoSQL databases (PostgreSQL, MongoDB, etc.)
- Cloud platforms (AWS, Azure, or GCP)
- Containerization (Docker, Kubernetes)
- CI/CD pipelines (Jenkins, GitLab CI)
- Message brokers (Kafka, RabbitMQ)
Job Title: Java Engineering Manager/Lead
Experience range:- 10 + Years
Location:- Pune / Mumbai
Knowledge and Skills:
- Strong proficiency in Core Java, Spring Boot.
- Experience with RESTful APIs, microservices, and multithreading.
- Solid understanding of RDBMS (MySQL/PostgreSQL).
- Exposure to cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
- Familiarity with CI/CD tools like Jenkins, GitLab, or GitHub Actions.
- Background in Fintech, particularly Digital Lending, Supply Chain Finance, or Banking products.
- Experience working in agile/scrum environments.
- At least 3 years of experience leading/managing a team of Java developers.
Key Responsibilities:
- Lead and mentor a team of Java developers, ensuring technical excellence and timely delivery.
- Actively participate in coding, code reviews, architecture decisions, and system design.
- Collaborate with cross-functional teams including Product Managers, QA, and DevOps.
- Maintain a strong hands-on presence in backend Java development and microservices architecture.
- Own the end-to-end lifecycle of features from requirement to deployment and post-release support
Requirements:
1.3+ years of strong programming experience with .Net Framework and .Net Core based software applications. (.NET,.NET Core, C#, ASP.Net, JavaScript framworks, Web API, MS SQL Server, Cosmos DB, Docker, Azure Cloud)
2. Strong knowledge of Microservices based Architecture, Design Patterns and Principles.(Optional) / Hands on experience on React Js /Redux (Optional)
3. Prior experience in handling application with larger volumes of data .
4. 3+ years of experience of designing high-performance enterprise software application.
5. Works with application development team to solve technical challenges with industry best practices.
6. Addresses and resolves complex technical issues with internal/external customers.
7. Design software systems with various Microsoft technologies and ensure compliance to all architecture requirements.
8. Review infrastructure for any issues and recommend solutions.
9. Very important to be good communicator and updates management team with the weekly/monthly status.
10. Analyzes enterprise system performance. Develops and implements system performance improvements.
11. Participates in development activities including code reviews, as well as coding and testing of new enhancements.
Key roles:
· Develop backend application with clean code practices foe the application
· Collaborate with frontend developers to integrate user-facing elements with server side logic
· Troubleshoot and debug application
· Gather and address technical and design requirements
· Build reusable code and libraries for future user-facing
· Communicate with other third-party team for collaborations
Skillset:
· Core Java - Hands on experience with Jdk 11 and above
· Experience with code hosting and collaboration tools like Bitbucket/Github/GitLab
· Microservice architecture - Rest API calls, inter-service exception handling
· Non-relational DB - MongoDB basic DB commands to insert, update, delete, find records and Indexing
· Springboot framework - Spring Data JPA, ORM
· Event driven architecture - Kafka
· Tools like Postman, Jenkins, Doppler, IDE, MongoDB atlas
Qualifications:
· UG: B.Tech/B.E. in Any Specialization, B.Sc in Any Specialization, BCA in Any Specialization
· PG: Any Postgraduate
• Minimum 8+ Years of software development/programming experience.
• Any Bachelor’s or Master’s degree, not limiting to Engineering.
• Must be detail oriented.
• Experience with Agile methodologies.
• Strong communication skills and fluent in English (written and spoken)
• Keywords are team player, proactive, attention to detail, independent, strong analytical skills and
the ability to adapt to new challenges
Responsibilities:
• 8+ Years of software development/programming experience
• 3+ Years of experience in Drop-wizard/Spring Boot Microservice
• Strong experience building multi-threaded applications using Java 8 and above
• Experienced in Agile development methodologies / Continuous Integration
• Java Design Patterns
• Amazon AWS EC2/S3/RDS
• OpenAPI, Contract first development experience
• Strong Java Concurrency (Java Threading)
• DDD (Domain Driven Design)
• Testing frameworks Like Mockito
• Test driven development experience
• JIRA, Git, Github and Github actions
- At TailNode, we are at the bleeding edge of this change.
- We conceptualize and develop products that are aimed to enable this transformation of the political architecture of the country.
- We leverage the best practices and insights of the technology world and apply them in our unique way to deliver impact on a massive scale.
- We want to offer you a once-in-a-lifetime opportunity to be a part of this massive change and build new and exciting products with us.
Responsibilities :
- Designing, building, and maintaining high performance, reusable, scalable and robust services and applications
- Developing and managing databases and reporting tools
- Building intelligent messaging bots using web APIs
- Designing and developing robust RESTful APIs and other interfaces
- Integrating data storage solutions.
Required Skills :
- Ability to write clean, structured code in Ruby/Python with documentation.
- Proficiency in at least one Ruby frameworks (Ruby on Rails or Sinatra) or Python framework (Django or Flask)
- Clear understanding of Data Structures and Algorithms.
- Ability to write well defined test cases using Minitest, RSpec or Unit testing framework.
- Experience in one of the following database technologies - MySQL, PostgreSQL, MongoDB, Cassandra.
- Proficiency in working with complex SQL queries.
- Knowledge of design patterns, architectural best practices.
- Familiarity with RESTful web services.
- Knowledge of version control tools like Git, SVN etc.
- Working experience with Cloud Services like Amazon Web Services or Google Cloud is a plus.
Required Qualifications :
- A Bachelors or a Masters degree in Computer Science or relevant field.
- Experience of 3-5 years in software development.
Note : Other language candidates may apply only if they're expecting to work primarily on Ruby/Python.

- B.Tech/B.E (preferably in Computer Science Engineering)
- 7+ years of hands-on programming experience in building data-driven REST APIs, services & platforms using advanced Java frameworks like Spring, Redis, Node.js etc. with deep focus on integration & scale.
- We also look for hands-on experience with Mysql, Elasticsearch (or Solr) and Nosql stores.
- Our evaluation starts with focus on computer science fundamentals, data structures & algorithms.
- You will have been learning new technologies every week and prefer folks who can use golang/rust for backend development and are familiar with equivalent data stores, index stores and pub-sub technologies.








