
Hello Everyone,
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.
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen hassuccessfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

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 Description
Roles and Responsibilities
· Design, Code, test, debug, implement and document complex WSO2 sequences.
· Monitoring and logging tool stacks - Splunk/ELK/Prometheus, Grafana 4 Design, Code, test, debug, implement and document complex WSO2 sequences.
· Perform Build activities for WSO2 ESB Middleware integration, involves writing XSLT, ESB coding, configuration, and Analysis activities.
· Trouble shooting various problems in different stages of development using logs files, Traces and Log Analyzer.
· Responsible for understanding the requirement, solution design, coordinate the development and testing activities (end to end)
· Guide the team regarding WSO2 platform best practices, framework, reusable artefacts and ensure code quality and timely deliverables.
· Work with functional and technical customers to determine solutions that drive additional business value.
· Work with Github, Azure Devops and CI tools to automate dev, build, deployment and testing.
· Good knowledge in messaging brokers: WSO2 Message Broker, Apache Kafka.
· Monitoring the server (Monitoring logs and WSO2 metrics).
· Desired Candidate Profile
Desired Candidate Profile
· Candidate must have minimum 2+ years of hands-on experience in WSO2, preferably with WSO2 certification.
· Extensive experience in Integration by using WSO2 Product Stack (API Manager 2.6/3.x, Enterprise Integrator 6.5 and Identity Server 5.7.0)
· Experience in Implementing APIs in WSO2 EI and On-boarding APIs into WSO2 API Manager
· Experience in WSO2 API Manager for designing API facades and designing and implementing API Proxies.
· Hands-on experience in designing and developing high volume web services using API Protocols and Data Formats (REST, JSON, SOAP & XML).
· Must have hands on experience / knowledge with CI tools to automate dev, build, deploy.
· Experience in programming languages: Java, JavaScript, Python
· Experience in on boarding web applications into WSO2 Identity Server for authentication and authorizatio
Qualifications
• Minimum of a Bachelor's or Master’s degree in Computer Science, or a related four-year degree.
• 4 years of hands on experience in Integration
Product Development Using Java, Microservices, SpringBoot
Experience with RestFUL API's.
Mandatory skills
Hands on Python Programming.5+ years of Data Engineering experience: Skills sets: Python, SQL (Snowflake), S3.
Good to have
AWS familiarity would help
Key Responsibilities:
• Should have hands-on experience with Java
• Strong experience in Spring Boot, Micro Services
• Should be well versed with Agile Development methodologies
• Should have strong debugging and communication skill
• Should participate in design discussions and provide application designs, architecture, timeline estimations
• Problem-solving mind and attitude
• Ability to interface well with externally facing departments and directly with customers
• Effective communication skills – written, spoken, listening, and presentation
• Great Team player and experience working with global teams and global organizations Genuine interest in learning and knowledge sharing
Primary Skills:
• 2 years of Spring Boot and Microservices.
• 3+ years of experience in Core Java.
• Proficiency with Spring Framework.
• Innovate new approaches algorithms, libraries, tools, platforms, for relevant development areas
• Strong programming skills in Core JAVA / J2EE expert level
• Good at data structures, algorithms, problem-solving, and design patterns
• Knowledge of Web Services, Spring, ORM Frameworks, Spring Boot, Spring Cloud Gateway, OAuth2.0, Spring Security, JWT, Eureka, Hystrix, Apache Cassandra
• Should be well familiar with SQL/NO-SQL database
• Knowledge of Spring Batch, Kubernetes, Docker is a plus point
Strong fundamentals in OOPS, RDBMS, Data structures, and Design patterns
Experience in any SQL database (Preferably SQL Server)
Ability to write clean code
Ability to write automated unit tests using frameworks such as NUnit, Mock, etc.
Ability to communicate and articulate clearly and work collaboratively in an agile team
Experience with code repositories like git
Ability to communicate and articulate clearly and work collaboratively in an agile team
- Ability to write APIs including Restful APIs.
- Able to consume 3rd party API's
- Familiarity with SQL (MySQL, POSTGRESQL) and NoSQL(MongoDB) databases designing, query optimization techniques and their declarative query languages.
- Creating database schemas that represent and support business processes.
- User authentication and authorization between multiple systems, servers, and environments.
- Experience in Micro-services development will be an added advantage.
- Composer / NPM / Webpack.
- Laravel forge server deployment and management
- Laravel Dusk Testing
- PHP Unit Testing
- Good command of problem-solving and analytical skills.
- Must be technically strong in logical thinking
Addon Front-End Frameworks knowledge:
- Other Front-end frameworks like as Vue.js (Vue CLI, Vuex, Vue Router, and Nuxt.js).
- Proficiency in JavaScript and TypeScript programming.
- Aware about JavaScript basics and Modern JavaScript (ES6 – ES7 – ES8)
- Understanding of server-side rendering and its benefits and use cases
- Working knowledge of npm or Yarn
- Knowledge of Bootstrap, Framework 7
- Working knowledge of HTML5 code template and CSS3 styling (Sass or Less depending on your technology stack)
Addon Server knowledge will be added advantage:
- Proficient understanding of code versioning tools, such as GitHub, GitLab
- Working knowledge of cloud servers (AWS) related services and server administration like setting up
Apache/Nginx, php-fpm etc.. (Nice to have but not mandatory).
- Experience working with Docker (Nice to have but not mandatory)
- Experience with CI/CD tools and processes(Nice to have but not mandatory)
Product Development
At E2open, you will be an integral member of a dynamic organization, working on cutting-edge technology that transforms the way companies do business with their trading partners in complex, multi-tier supply chains. Currently, E2open is seeking an energetic Application Engineer to join our Research & Development Group. This position involves the development of leading-edge Software-as-a-Service (SaaS) supply chain management applications that drive complex multi-company supply chain management dashboards, workflows, and business-to-business supply chain data interchanges.
Technical Requirements
- Strong experience in Core Java 8 and above, Collections and Data structures.
- Develop solutions using core java, Spring / Spring Boot, JSON, Rest API and other web technologies.
- Ability to design and develop UIs like Javascript, HTML5, Angular and end to end integration.
- Object oriented analysis and design using common design patterns.
- Enforcing and Writing code following good standards (well documented with good code coverage and properly tested code).
- Excellent knowledge of Relational Databases, SQL and ORM technologies (Hibernate and Mybatis). Ability to model & design databases for high availability and high volume.
- Strong hands on in Core Java, OOPS, Exception handling, Multi-Threading, Generics and design patterns.
- Proficient in designing and developing web applications using Java/JEE
- Working experience in Spring Boot, Spring Integration and REST Web services
- Exposure to UI technologies/frameworks like JavaScript, React JS , Flux and knowledge of CSS, HTML etc
- Build tools like Maven.
- Should possess good communication skills and a go getter attitude.
- Good in debugging code through eclipse and browsers
- Should be capable to work independently. Desirable
- Experience in any Continuous Integration/Delivery tools like GIT, Docker, Jenkins, Ansible
- Working knowledge of database like Oracle and application server like Tomcat, WebLogic.
- Knowledge of Linux
- Exposure to any test automation technologies such as Selenium, Fitnesse, Mockito, Junit, any other testing frameworks
- Candidate must to have exposure to working in a fast-paced environment using Agile methodologies
- A person with technical thrust who keeps him up to date with latest technology trends, practices, patterns etc. Knowledge of Open Source tools and technologies






