
• 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 client facing 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.

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
Similar jobs


Architect, develop and maintain highly scalable, reliable and secure distributed backend
systems on Cloud (AWS or Azure) or on-premises environments for Mihup, its customers
and partners.
Work closely with your fellow engineers to develop systems capable of concurrently
processing massive amounts of voice data both in online real-time as well as offline
environments.
Drive accountability for test driven development, delivery of high-quality features and
resilient enterprise class solutions.
Lead a culture of team ownership and direct individual and team accountability to
continuously improve how they work to achieve results.
Work in a startup environment, pushing boundaries with deep involvement with business.
BE//BTech/ME/MTech in Computer Science or a related field from a Tier I or Tier II
University.
6-8 years of hands-on software development and deployment experience (experience of
working in a consumer product startup during its growth phase will be a plus) of which 1 – 2
years of experience would be in leading a team of software developers.
Expertise in Java 8+ and Spring Boot is a must
Good experience in messaging platforms like RabbitMQ/Kafka
Good experience in distributed systems and relational & NoSQL databases like PostgreSQL,
MySQL, Redis, MongoDB, etc.
Expertise in one or more of: Python, NodeJS, GoLang would be preferred
Must have hands on experience in products which handle multiple concurrent calls (API),
handle CPU intensive jobs, consist of multiple asynchronous system calls.
Worked on microservices based architecture and design
Managed/ Owned infrastructure on AWS/Microsoft Azure/private clouds and setup high
availability systems
Knowledge of Docker and Kubernetes
Knowledge of RESTful APIs, caching concepts, the HTTP protocol and general web
architecture
Pluses
1. Anything that will let us know more about who you are that you would like to share such as
Blogs, Twitter, Medium, GitHub etc.

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.
Roles and Responsibilities
• Production platform hands-on experience involving Node JS & REST API.
• Hands-on production platform experience working with micro-service back-end architecture.
• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.
• Well-versed in cloud deployment of code blocks.
• Experience with JS testing and code analysis frameworks such as Mocha.
• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.
• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.
• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.
• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.
• Utilize AWS S3 bucket for secure and scalable storage of data and media files.
• Collaborate with QA engineers to perform thorough testing and bug fixes.
• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.



- 4- 10 years of experience in Java Developer
- Programming experience in Java Spring Boot, Springboot
- Strong understanding of Data Structures and Algorithms
- API-Driven Development - Solid experience in RESTful , and Microservices development
- Experience in working with one of the concurrency frameworks like Mono,
- Experience working in ORM frameworks like Entity, Hibernate, Dapper
- Strong relational database experience in either Oracle, MS SQL, or Postgres
- Knowledge on frontend technologies such as JavaScript, HTML, CSS, and modern JavaScript frameworks (React, Angular, etc.).



- You have experience with two or more development languages preferably Java or Python and React, etc
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
- 2+ year of experience in Development in JAVA technology.
- 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
- 4+ 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.



- Developing and maintaining dynamic websites and web applications
- Ensure the foolproof performance of the deliverable
- Coordinate with co-developers and other related departments.
- Experience own and work on end to end on an application.
- Set Milestones and deadlines.
- Fine-tuning and resolving performance issues
- Mentor colleagues and code walk-through
- Must have Skills:
- PHP, OOP, Codeigniter, Jquery, MySQL
- Strong fundamentals in data structures, algorithms.
- Strong fundamentals in Core Java/J2EE.
- Familiarity with any one of Spring, Struts, Hibernate frameworks.
- Familiarity with code design principles, patterns, and best practices in java.
- Understanding of SQL and NoSQL databases.
- IDE/Tools - Eclipse, NetBeans, Ant, Maven, Gradle
- Web Technologies - XML/XSD, HTML 5.0, CSS 3.0, JavaScript, JQuery, YUI
- Configuration Management - GIT, Subversion SVN
- Active participation in one or more open-source projects is a strong plus
- Familiarity with the AWS cloud ecosystem is a strong plus.
- OCJP certified will be an added advantage.
- Hands-on with *Unix/Windows based systems.
Role Description :
- Good Understanding of Java 8 with proven hands-on skills
- Experience in Spring Framework - Spring Boot, Spring Data, Spring REST
- Experience in Spring Reactive
- Experience in Git, Gradle / Maven
- Practitioner of clean code and SOLID principles
- Able to test drive features
- Can debug code at ease and ensure quality code is produced
- Knowledge of design patterns
- Comfortable with agile practices, user stories and task breakdown
- Understands REST principles and Micro services
- Experienced with technologies such as
- Required Java, Spring Boot
- Good to have Maven, GIT, Swagger, PCF, Rabbit MQ
- Good API skills technology such as Rest Webservice
- Good foundation in data structures, algorithms and OO Design with rock solid programming skills
- Experienced on creating unit test using JUnit, Mockito or PowerMock
- Experienced on mark up language such as JSON and YML
- Experienced on using Quality and Security scan tools such as Sonar, Fortify and WebInspect
- Experienced on agile methodology
Role: Software Engineer
Location: Hyderabad
Experience: 3-5 years of experience in software development using Core Java, multi-threading, DS and Algos.
Key Requirements:
- • Develop robust Core Java code for advanced financial banking and trading applications, primarily using core Java principles around multi-threading and caching technologies.
- • Strong in Core Java concepts, JVM, API’s along with SQL and Java Message Service (JMS) skills.
- • Experience in Java server-side / backend development experience
- • Experience in Java Spring (Spring MVC, Spring batch, Spring Boot), Hibernate and JPA is a plus.
- • Knowledge of microservices development, container stack and CI/CD;


• Write clean, scalable code using .NET programming languages.
• Remain up to date with the terminology, concepts and best practices for coding mobile apps.
• Develop technical interfaces, specifications, and architecture.
• Use and adapt existing web applications for apps.
• Create and test software prototypes.
• Develop client displays and user interfaces.
• Assist software personnel in handling project related work and other requirements.
• Coordinate with other software professionals and developers.
Work Experience & Skills
• VB.NET (Framework 2.0/3.0/3.5/4.0) (Mandatory)
• SQL SERVER 2005 / 2008 (Mandatory)
• Must have experience in developing Windows application.
• Prior experience in Object Oriented Design and Development (OODD) is required. • 1+ years of .NET development (Framework 2.0/3.0/3.5/4.0) experience is required • Experience with SQL Server 2005 / 2008 are required.
• Knowledge/experience on Web Service and Unit Test.
• Oracle knowledge is added advantage
• Strong attention to detail
• Excellent troubleshooting and communication skills
• Able to work well in a team setting

