Junior Java Developer

Job description

Worldline [Euronext: WLN] is the European leader in the payments and transactional services industry. Worldline delivers new generation services, enabling its customers to offer smooth and innovative solutions to the end consumer. Key actor for B2B2C industries in 20 countries, with over 40 years of experience, Worldline supports and contributes to the success of all businesses and administrative services in a perpetually evolving market.

Worldline offers a unique and flexible business model built around a global and growing portfolio, thus enabling end-to-end support. Worldline activities are organized around three axes: Merchant Services & Terminals, Mobility & e-Transactional Services, Financial Processing & Software Licensing. Worldline employs more than 8,600 people worldwide and generated 1.22 billion euros revenues in 2015. Worldline is an Atos company.

Java developer is responsible for building and supporting Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality is essential.

Responsibilities

· Translate application storyboards and use cases into functional applications
· Design, build, and maintain efficient, reusable, and reliable Java code
· Ensure the best possible performance, quality, and responsiveness of the applications
· Identify bottlenecks and bugs, and devise solutions to these problems
· Help maintain code quality, organization, and automatization
· Contribute to maintenance and deployment of a world class SW covering front-end and back-end components.

Skills (Proficient in Java with knowledge in .net)

· Solid understanding of object-oriented programming
· Familiar with various design and architectural patterns
· Skill for writing reusable Java libraries
· Knowledge of concurrency patterns in Java
· Familiarity with concepts of MVC, JDBC, and RESTful Familiar with web development technologies (like json, rest-based web services, nodejs, jquery, …)
· Familiar with javascript and java programming languages, and associated tools
· Familiar with database development (such as Oracle, Microsoft SQL Server, …)
· Familiar with UNIX environments
· Experience with popular web application frameworks, such as Play and Spark
· Familiarity with Java GUI frameworks
· Knack for writing clean, readable Java code
· Experience with both external and embedded databases
· Understanding fundamental design principles behind a scalable application
· Basic understanding of the class loading mechanism in Java
· Creating database schemas that represent and support business processes
· Basic understanding of JVM, its limitations, weaknesses, and workarounds
· Implementing automated testing platforms and unit tests
· Proficient understanding of code versioning tools, such as Git
· Familiarity with build tools such as Ant, Maven, and Gradle
· Familiarity with continuous integration
· Solid ground/Knowledge in .net environment is a plus

Why work at Worldline?
Our success comes from strong skills, new ideas, diverse points of view and the energy of all women and men from Worldline. Not only do they represent our Human Capital, they are also key players in our success. We make managing our talents a major asset in the success of our business.
But, at Worldline, we do more than just managing our talents. It is our top priority to involve them, inspire them, and develop them. In line with our guiding principle “Build your career and grow with us”, it is our mission to ensure that their potential can grow and flourish through the numerous development programs and career opportunities we offer.

Your Application
If you wish to apply for this position, please click below to complete our online application form and attach your CV in either Word, rtf or text format.
Atos does not discriminate on the basis of race, religion, colour, sex, age, disability or sexual orientation. All recruitment decisions are based solely on qualifications, skills, knowledge and experience and relevant business requirements.
We are committed to making reasonable adjustments to the applications process for people with disabilities.