Java Backend Developer

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.

Requirements:

• Excellent knowledge of Core Java (J2SE) and J2EE technologies.
• Hands-on experience with RESTful services and API design is a must.
• Knowledge of microservices architecture is a must.
• Knowledge of design patterns is a must.
• Strong knowledge of Exception handling and logging mechanism is a must.
• Agile scrum participation experience. Work experience with several agile teams on an application built with microservices and event-based architectures to be deployed in hybrid (on-prem/cloud) environments.
• Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
• Experience in managing the Source Code Base through Version Control tools like SVN, GitHub, Bitbucket, etc.

• Working knowledge of XML, JAVA, REST, SOAP etc
• Basic knowledge of SQL, including the ability to author ad-hoc database queries.
• Is comfortable writing code in Ruby, Python, JavaScript, and Java and enjoys learning new languages and technologies.
• Has experience integrating  APIs (major plus)
• Experienced integrating RESTful APIs into web applications (a plus)
• Is experienced with Github or the likes.
• Should have worked on Payment Gateway Applications.

• Has a technical degree in Computer Science, Engineering or Mathematics (MBA is an asset)
• Technical Product/Software certifications an asset
• Has 3 to 5 years of experience in a similar client-facing role
• Has previous experience in a traditional software engineering or Implementation role.
• Has strong analytical and debugging skills.
• Experienced with Salesforce is a plus
• Solution-driven, able to grasp new concepts quickly and efficiently, able to work alone or in a team, able to work with no supervision and under pressure
• Excels in a collaborative and cross-functional environment.
• Demonstrates professional communication skills on technical and business-related subjects
• Experience working with payment gateways a major plus including ecommerce and Retail Experience with continuous integration and test-driven development methodologies a plus
• Excellent time management, organization, and planning skills are essential
• Flexibility to travel as required to meet with clients
• Ability to comprehend and translate complex technical issues and apply to business solutions
• Demonstrate ability to articulate complex technical terms or processes into business language
• Ability to synthesize technical information and apply to business solutions
• Able to set priorities, influence others, and manage customer and partner expectations
• Demonstrated success in customer and partner relationship management
• You are motivated, think outside of the box, and understand the purpose of process and procedures

Roles & Responsibilities:

• Excellent problem-solving & analytical skills & OO principles
• Solid understanding of the data structure & algorithms.
• Expert knowledge with any one of the Javascript Framework such as Node Js.
• Any additional experience with Java or python, GoLang would be nice to have.
• Experience working with SQL database like MySQL or PostgreSQL
• Experience working with NoSQL databases like mongoDB, couchbase would be nice to have
• Working experience with cache like redis, mem cached or elasticache would be nice to have
• Working experience with Message Queues would be a great advantage.
• Experience with deployment & AWS would be nice to have
• Ability to do in depth analysis or problem statement or use case & Build robust & scalable architecture
• Logging & monitoring of the production system in real time
• Lead a team of 2-4 team members & make sure team practices defined coding practices across the project. 

SENIOR SOFTWARE DEVELOPER (BACKEND DEVELOPMENT):

We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade web applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Responsibilities
• Java developer responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for
architectural review

Requirements
• BS/MS degree in Computer Science, Engineering or a related subject from renowned (IITs, NITs, BITS etc) colleges
• Excellent aptitude, algorithmic and puzzle solving skills
• Proven hands-on Software Development experience
• Proven working experience of 2+ years in Java development
• Hands on experience in designing and developing applications using Java EE platforms
• Object Oriented analysis and design using common design patterns.
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management, Multi-Threading etc)
• Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in the Spring Framework
• Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT,
Spring MVC)
• Experience with agile development

5 years of architecture, design and programming experience preferably in fast-paced dynamic environment

Strong application design and implementation skills, solid understanding of the entire development cycle.

Strong background in Java/J2EE based application

Strong background in Spring/Spring boot based application

Strong background in Microservices based application

Experience working with Apache and/or Tomcat

Experience in transforming requirements to software design

Strong Experience with developing Java SAAS web applications.

Working experience in Industry Standard protocols related API Security including OAuth

Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.

Strong background working with Linux/UNIX environments.

Strong Shell scripting experience.

Working knowledge with Oracle, DB2 or MongoDB databases.

 Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.  Strong agile/scrum development experience

 Strong collaboration and communication skills within distributed project teams

 Excellent written and verbal communication skills