**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 **Overview** Role: Senior Front End Developer Publicis Groupe is one of the "Big Four" agency companies, alongside WPP, Interpublic and Omnicom. It has operations in over 200 cities in 100+ countries and around 100,000 employees. Re:Sources is Publicis’ support organisation to centralise the finance, administrative, legal, tax, IT, procurement and property functions and leave the units, e.g. agencies, to do what they do best in terms of looking after the client's business. Our team, rOar, resides in various countries. Our clients are the agencies within the Publicis Groupe. Our product, rOar, is Publicis Groupe’s Project Management, Resource Management and Time Tracking tool. It is used by agencies that are on ‘Altair’, (Publicis Groupe’s SAP implementation) and as such is integrated within the Groupe’s Altair ecosystem. rOar v2.0 is being built upon Adobe’s Workfront, a leading enterprise PPM solution. The rOar team is responsible for configuring Workfront, building custom Saas solutions around it and integrating our solution with other systems. Experience – 9 to 12 Years As a Sr. Front-End Developer, 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. • Minimum 5 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, next js, ES6, JSX, Redux, DOM and Event Handling, Node+npm, • 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. • Good to have 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. **Qualifications** Must be Graduate