Senior Software Engineer (6 months contract)

<h3>Company Description</h3><p>Publicis Groupe is one of the largest advertising agency holding companies in the world as well as a global leader in the fields of marketing, communications, and digital transformation. Driven by data, cutting-edge technology, and creativity, our solutions enable brands to provide customers with tailored experiences on a large scale. We utilise the Power of One operating model to integrate and develop competencies that will create increasing business value for existing and future clients. We are present in more than 100 countries and employ in excess of 90,000 professionals. In Poland, Publicis Groupe includes world-renowned agencies such as Saatchi &amp; Saatchi, Leo Burnett, Zenith, Starcom and LiquidThread amongst others.</p><p>Publicis Re:Sources is the backbone of Publicis Groupe, the world’s most valuable agency group. We are the only full-service, end-to-end shared service organization in the industry, enabling Groupe agencies to do what they do best: innovate and transform for their clients. </p><p>Formed in 1998 as a small team to service a few Publicis Groupe firms, Publicis Re:Sources has grown to 5,000+ employees in over 66 countries.  We provide technology solutions and business services including finance, accounting, legal, benefits, procurement, tax, real estate, treasury and risk management.</p><h3>Qualifications</h3><ul><li>3-5+ years’ software development experience</li><li>Advanced-level knowledge of at least one back-end programming language (e.g. Java, Node, C#, PHP, Python, etc.) and object-oriented analysis and design</li><li>Work experience with automation and pre-processing tools (e.g. Grunt, Maven, Ant, Powershell)</li><li>Work experience with data storage patterns and practices, namely relational (SQL) and/or non-relational (NoSQL, MongoDB) platforms</li><li>Work experience integrating web solutions with external web services</li><li>Knowledge of design patterns (e.g. model-view-controller, observer, etc.) and software engineering principles</li><li>Fluency with data transfer formats and protocols popular in web applications (e.g. JSON, XML, HTTP)</li><li>Capable of working with new technologies and building proof of concept prototypes.</li><li>Capable of building a web solution based on a modern frameworks</li><li>Capable of troubleshooting, debugging and doing root cause analysis of web platform issues</li><li>Capable of creating and consuming SOAP or REST web services</li><li>Capable of writing unit tests, and scripting load and performance tests</li></ul>