
Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.
We are solving complex technical problems in the financial 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 highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
Experience - 3+.
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.
Connect with the team
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Job Title: Senior Java Developer – Multi-SaaS / Microservices / Pub-Sub
About the Role
We are seeking a highly skilled Senior Java Developer with strong leadership abilities to join our team. The ideal candidate will have deep expertise in Java, micro services architecture, multi-tenant SaaS systems, pub/sub messaging, and cloud-based deployments on AWS EKS. This role requires not only technical mastery but also the ability to mentor teams, influence architecture decisions, and ensure best practices through Test-Driven Development (TDD).
Key Responsibilities
- Lead design and development of Java-based multi-tenant SaaS applications using microservices architecture.
- Implement pub/sub messaging systems for event-driven communication.
- Deploy, monitor, and optimize services on AWS EKS.
- Ensure system reliability, scalability, and security using AWS CloudWatch and other observability tools.
- Apply TDD principles to drive high-quality, maintainable code.
- Collaborate with product managers, architects, and other developers to translate requirements into technical solutions.
- Lead code reviews, mentor junior engineers, and promote engineering best practices.
- Take ownership of end-to-end delivery, from architecture design to production rollout.
Required Skills & Qualifications
- Proficiency in Java with 6+ years of professional development experience.
- Strong background in microservices architecture and multi-tenant SaaS systems.
- Expertise in pub/sub messaging patterns (e.g., Kafka, RabbitMQ, or AWS SNS/SQS).
- Hands-on experience with AWS EKS and container orchestration (Kubernetes).
- Strong understanding of monitoring and logging using AWS CloudWatch or similar tools.
- Proven experience applying Test-Driven Development (TDD) in real-world projects.
- Demonstrated leadership skills – mentoring, decision-making, and driving engineering excellence.
- Solid understanding of software engineering best practices, CI/CD, and version control (Git).
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Design systems independently with minimal interaction from the architects
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Lead a team of software developers to implement systems
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Continuously find ways to increase the quality of the code
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Liaising with team members, management, and clients to ensure projects are completed to
standard.
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Anticipates problems and future technical needs and takes necessary steps to address issues.
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Enthusiastically follow industry trends and developments
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Understands how various technology and tools work so that the team picks the right tool for the
job.
Requirements:
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Golang Developer
Experience: Minimum 4 years
Job Location: Delhi/Pune/Bangalore-Hybrid
Job Description
- Must: Minimum 2.+ years of experience in Golang programming language, paradigms, constructs, and idioms.
- Knowledge of common Goroutine and channel patterns.
- Experience with the full site of Go frameworks and tools.
- Preferred: Minimum 2+ years of experience in aws.
- Must: Cloud environment (e.g. AWS, VMware, etc.).
- Must: Working Knowledge in Mysql.
- Popular Go web frameworks.
- Familiarity with code versioning tools such as Github / Gitlab.
Key Skills
- Golang, , Javascript, MySQL, Postgresql.
- Responsibilities : The job requries Golang experience with MySQL database.
- Ability to work on a small on minimal supervision Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality.
- Strong Experience in Java and related frameworks such as EJB, Spring and Spring Boot
- Strong Experience in REST API based Microservices development & integration that includes long running orchestration services
- Experience implementing services with modern authentication using OAuth 2.0, SAML, JWT
- Implementation Experience in RDBMS (DB2/PostgreSQL) and good SQL query knowledge
- Strong CI/CD experience with GitHub CI/CD or Jenkins or Maven
- Creating custom, general use modules and components which extend the elements and modules of core
Egen is a data engineering and cloud modernization firm helping industry-leading companies achieve digital breakthroughs and deliver for the future, today. We are catalysts for change who create digital breakthroughs at warp speed. Our team of cloud and data engineering experts are trusted by top clients in pursuit of the extraordinary. An Inc. 5000 Fastest Growing Company 7 times, and recently recognized on the Crain’s Chicago Business Fast 50 list, Egen has also been recognized as a great place to work 3 times.
You will join a team of insatiably curious data engineers, software architects, and product experts who never settle for "good enough". Our Java Platform team's tech stack is based on Java8 (Spring Boot) and RESTful web services. We typically build and deploy applications as cloud-native Kubernetes microservices and integrate with scalable technologies such as Kafka in Docker container environments. Our developers work in an agile process to efficiently deliver high value data driven applications and product packages.
Required Experience:
- Minimum of Bachelor’s Degree or its equivalent in Computer Science, Computer Information Systems, Information Technology and Management, Electrical Engineering or a related field.
- Have experience working and strong understanding of object-oriented programing and cloud technologies
- End to end experience delivering production ready code with Java8, Spring Boot, Spring Data, and API libraries
- Strong experience with unit and integration testing of the Spring Boot APIs.
- Strong understanding and production experience of RESTful API's and microservice architecture.
- Strong understanding of SQL databases and NoSQL databases and experience with writing abstraction layers to communicate with the databases.
Nice to have's (but not required):
- Exposure to Kotlin or other JVM programming languages
- Strong understanding and production experience working with Docker container environments
- Strong understanding and production experience working with Kafka
- Cloud Environments: AWS, GCP or Azure
1. Cloud Backend Design along with data storage and backup solutions. 2. Backend APIs and System Design and Integration with IoT Devices, web and mobile applications.
3. Building reusable code and libraries for future use
4. Optimization of the application for maximum speed and scalability
5. Implementation of security and data protection
6. Design and implementation of data storage solutions
Required Skills:
1. Demonstrated history of designing and implementing Cloud-based Microservices Applications using AWS or GCP.
2. 5+ years of hands-on experience using core Java and SpringBoot framework.
3. Good Understanding of Serverless Architecture and Event-Driven Systems.
4. Understanding Product requirements and translating them into technical specifications and development using Agile methodology.
5. Understanding accessibility and security compliance on AWS/GCP and Spring Boot and Flask.
6. Good understanding of Data structures and Algorithms.
7. AWS Skills Required: AWS Lambda, DynamoDB, SNS, SQS, S3, IoT Core, Kinesis Streams, Elastic Beanstalk, EC2, IAM, Elastic Cache, API Gateway.
Good To have:
1. Knowledge of Kubernetes or other container orchestration tools.
2. Python and Flask.
3. Google Cloud Platform and Firebase
Role/ Responsibilities
- Lead a team of hard working backend developers.
- Design APIs, DB, Queues, monitoring for micro services.
- Writing, deploying and managing micro services.
- Migrate existing components into distributed micro service architecture.
- AWS Cloud / Google Cloud Platform (Manage Infrastructure).
- API integration with 3rd parties.
- Unit test cases, automation.
- Database optimisation.
- Design of highly concurrent backend architecture.
- Handling high traffic data.
Experience required:
- Sound fundamentails in software design.
- Must have worked on distributed and micro service architecture.
- Sound fundamentals on scale/ performance/ memory optimisation.
- Sound fundamentals of authentication, authorization, payment processes, data security.
- Must have experience in Spring / Spring boot.
- Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue.
- Good to have experience in Junit / mockito unit test cases.
- Good to have knowledge in Mysql (or any RDBMS).
Job Description:
Perform high quality software analysis, development, testing and maintenance for the client’s core technology platform
* Work with Product owners, Architects and X-Vertical teams to analyse requirements.
* Implement the features based on the design.
* Follow good development practices.
* Product deployment and support.
* Mentor junior developers.
Job Requirements
* Excellent analytical skills and problem solving skills.
* Expert in JEE/ Java programming.
* Competent in delivering a high quality product.
* Competent in software engineering tools and best practices
* Conversant in web front-end technologies - HTML5/CSS/JavaScript
* Object-oriented Design and Analysis (OOA and OOD)
* Estimate engineering effort; plan implementation, and rollout system changes.
* Exhibit creativity and resourcefulness at problem solving while collaborating and working effectively with best in class designers, engineers of different technical backgrounds, architects and product managers.
* Expert in data structures and algorithms.
* Aware of Agile methodology of Software Development Life Cycle.
* Should be a self-starter and a good team player.
* Great communication skills both verbal and written to ensure effective communication across product teams, functions and locations.
* Can make decisions without always asking others what has to be done.
* Ability to mentor junior developers.
* Experience working with remote teams.
* Flexible to work on any technology as per project demand.
Talk about the role we are offering for Mulesoft and how we are considering trainable resources who are keen to learn and work on new technologies
Our Requirements:
We are looking for 1-8 years of experience in technical skills like Java, python etc and who will be willing to learn and move to mulesoft and related technologies
Ability to work in a fast paced, demanding, and rapidly changing environment
Preferred:
Basic knowledge about mulesoft
Responsibilities
Assist in translating business objectives into technical solutions through the use of MuleSoft Anypoint Platform
Coding, testing, debugging, implementing and documenting MuleSoft based flows and integrations
Apply integration design patterns such as message routing, content enrichment, batch processing, error handling and reconciliation mechanisms to deliver required functionality
WHAT WE ARE OFFERING
Learning and Certification
Best in Industry Salary
Health & Wellness Benefits
Employee Rewards Program
Retirement & Savings
Flexible Schedules
Maternity & Paternity Leave








