Java Developer

Java Developer – Job Description 

Wissen Technology is now hiring a Java Developer 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 consultancy. 

Required Skills: 

• Exp. - 4 to 9 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 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.

• 2.5+ 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

Good to Have Skills:

• 2+ 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.

Back End Developer

Job Description:
Location: Pune (Initially Remote due to COVID 19)

We are looking for an experienced Backend Developer to join the team in India and be instrumental in taking our products to the next level. In this role, you will be working in close collaboration with a team of highly empowered, experienced developers who are building a high-performance, highly scaled global platform.

About the Organisation:

- It provides a dynamic, fun workplace filled with passionate individuals. We are at the cutting edge of advertising technology and there is never a dull moment at work.

- We have a truly global footprint, with our headquarters in Singapore and offices in Australia, United States, Germany, United Kingdom, and India.

- You will gain work experience in a global environment. We speak over 20 different languages, from more than 16 different nationalities and over 42% of our staff are multilingual.

You will:

• conceive, build, and operate highly distributed systems deployed around the planet

• employ cutting-edge technologies and techniques in a rapidly evolving domain

• thrive in a progressive, environment which relies on communication and initiative rather than process to deliver at a high velocity

• have a "Product Owner" rather than a "Task Implementer" attitude

 Candidate's Profile:

• Experience building systems involving messaging or event-driven architectures

• Deep technical understanding of Java or Go, and willing to work with both

• Strong handle on concurrency challenges and design solutions

• Strong buyer of Agile / Lean values

• Heavy emphasis on code testing and designing for test-ability

• Maturity and aptitude to operate in a high-freedom/high-responsibility environment

• Strong troubleshooting skills

• Experience with supporting and troubleshooting large systems

• Exposure to infrastructure automation tools such as Ansible

• Exposure to IAAS platforms such as AWS EC2, GCP, etc…

• Experience with Cassandra, Aerospike, or other NoSQL databases

• 2 + years of software development experience utilizing Java based frameworks and technologies to build enterprise grade product solutions.
• 2+ years of experience designing, developing and documenting RESTful APIs.
• Strong understanding of concepts/technologies like Spring MVC, Spring boot, J2EE, EJB, application/API security, API governance/gateway platforms like apigee or kong.
• Good understanding of RDMS concepts and development preferably using MS SQL Server.
• Experience using test automation technologies like cucumber, selenium is a big plus.
• Partner with scrum masters to address technical blockers/impediments to progress.
• Prior experience working with agile scrum-based development methodology. Participate in sprint planning and estimate development efforts for features and stories.
• Partner with DevOps to install and configure/tune application containers like embedded Spring boot tomcat and webserver technologies preferably nginx or apache.
• Partner with cloud engineering group to outline the infrastructure provisioning requirements/needs for new product development.
• Design and develop CI/CD tools and process preferably using Jenkins to configure build jobs for APIs and design pipeline to promote artifacts from development all the way to production
• Experience with messaging technologies like kafka is a huge plus
• Work with Test Automation engineering team to integrate test automation scripts as part of the CI/CD process.
• Prior proven experience of utilizing and productionizing container/container orchestration technologies like Docker, kubernetes.
• Participate and Resolve issues related deployments, application performance etc.

Responsibilities:

• Your primary responsibility as a senior backend engineer will be to architect and develop a scalable and robust micro-services backend with strong Java, Spring(Boot), SQL, AWS/GCP.
• Experience being part of a software development team in an Agile/Lean/Continuous Delivery environment
• Be a key performer in a high-performance product engineering team

Qualifications:

• 2 to 4 years of overall IT experience. Most of this experience in Java (Core Java, Spring boot, Java collections, Java Multithreading)
• Should have experience designing database schemas - SQL and NoSQL.
• Exposure to frameworks like Spring, Hibernate, Play would be a plus
• Experience with microservices architecture would be beneficial.
• Working knowledge of any public cloud (AWS, GCP or Azure)
• Broad understanding and experience of real-time analytics, NoSQL data stores, data modeling and data management, analytical tools, languages, or libraries
• Knowledge of container tech like Docker, Kubernetes would be a plus.
• Bachelor's Degree in Computer Science or Engineering.

Requirements:

• Academic degree (BE / MCA) with 3-10 years of experience in back-end Development.
• Strong knowledge of OOPS concepts, Analyzing, Designing, Development and Unit testing
• Scala technologies, AKKA, REST Webservices, SOAP, Jackson JSON API, JUnit, Mockito, Maven
• Hands-on experience with Play framework
• Familiarity with Microservice Architecture
• Experience working with Apache Tomcat server or TomEE
• Experience working with SQL databases (MySQL, PostgreSQL, Cassandra), writing custom queries, procedures, and designing schemas.
• Good to have front end experience (JavaScript, Angular JS/ React JS)

• 2+ years of experience in Java Development with sound knowledge of core Java
• Should have strong hands on experience with developing web applications using Servlets and JSP, Spring, Hibernate, Web Services, HTML, JavaScript
• Should have experience of working on Tomcat/Glassfish
• Experience of Google App Engine or AWS will be added advantage
• Strong knowledge of OOAD
• Comfortable working on Linux/Unix
• Good communication skills and good organization
• Willingness to work in a team environment, as well as
• Willingness to learn new

• Write production quality code in Java, J2EE, and Spring
• Adhere to software development and source control processes, git is added Advantage
• Design, build, configure, test, and document production quality software on an iterative
• Participate in design and implementation of new software.
• Work closely with users, technical leads, project managers, and other cross-functional development
• Execute on the provided design. Active coding in key technologies is required for this development position and includes: Java/J2EE, Tomcat, Web Services, REST, and spring, Hibernate/Ibatis, XML, UNIX and
• As part of the software development process you will need to create, review, and maintain all required technical documentation related to assigned software to ensure supportability and reuse.
• This individual must develop software using disciplined software development processes, adhering to team/company standards and software best practice guidelines, and corporate policies.