Company Description Re:Sources is the backbone of Publicis Groupe, the world's third-largest communications group. Formed in 1998 as a small team to service a few Publicis Groupe firms, Re:Sources has grown to 4,000+ people servicing a global network of prestigious advertising, public relations, media, healthcare and digital marketing agencies. We provide technology solutions and business services including finance, accounting, legal, benefits, procurement, tax, real estate, treasury and risk management to help Publicis Groupe agencies do what they do best: create and innovate for their clients. In addition to providing essential, everyday services to our agencies, Re:Sources develops and implements platforms, applications and tools to enhance productivity, encourage collaboration and enable professional and personal development. We continually transform to keep pace with our ever-changing communications industry and thrive on a spirit of innovation felt around the globe. With our support, Publicis Groupe agencies continue to create and deliver award-winning campaigns for their clients. Job Description As a Senior Front-End Engineer, your main responsibility would be leading, reviewing and supporting the UX/UI of a wide variety of applications used by tens of thousands of internal users every day. We're looking for experienced front end developers with exhaustive work experience in React.js to design our PPM (Project & Portfolio Management) platform used by multiple business and client teams for managing and executing their projects. Qualifications Minimum 3 years of experience in leading Frontend development teams Excellent understanding of React.js and its core principles Hands-on knowledge of HTML5, CSS frameworks, JavaScript, Typescript Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences. Good understanding of how to integrate REST APIs and Microservices into frontend applications. Hands-on with DevOps pipeline and able to tweak/change build/deployment pipeline as needed. 2 years experience with unit-testing. Advantageous if unit testing performed with Jest. Thorough experience on working on SaaS and iPaas applications. Good to have experience in GraphQL. Good to have experience with building mobile responsive applications. Additional Information #LI-Hybrid #J-18808-Ljbffr