About Atos Group Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE listed on Euronext Paris. The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space. Senior Frontend Developer - React & Azure About the Role You will be a hands-on front-end engineer and technical reference for a high-traffic, event-driven web platform. This role is grounded in active development — building, maintaining, and improving the codebase — while also contributing to architecture decisions, code quality standards, and the growth of the team around you. Responsibilities Build and maintain web applications using ReactJS, TypeScript, HTML, CSS, and JavaScript Contribute to front-end architecture decisions and help shape the technical direction of the platform Lead code reviews, enforce coding standards, and manage alignment PRs across branches Monitor and investigate performance issues to ensure reliability under peak event-driven loads; support CDN configuration (Akamai) in collaboration with the DevOps/Ops team Support and maintain CI/CD pipelines (Azure DevOps / Jenkins) alongside the DevOps/Ops team Act as a technical reference for complex engineering challenges Work within Agile workflows using GitHub, Azure DevOps, and JIRA; align technical execution with project goals Requirements 7+ years in Front-End Development, with at least 2 years in a lead or senior technical role Expert-level proficiency in ReactJS, TypeScript, HTML, CSS, and JavaScript Experience contributing to front-end architecture decisions and defining code quality standards Hands-on experience with CI/CD pipelines (Azure DevOps / Jenkins) and performance monitoring at scale (Azure Portal, Akamai or equivalent CDN) Solid experience with GitHub and Azure DevOps Services; familiarity with JIRA and Confluence Track record of mentoring developers and leading code reviews Fluent English (spoken and written); availability to travel every 3 months for 2–3 days Nice to have Knowledge of C#, Razor, Stencil, Tailwind CSS, Rsbuild, or Vite Experience with dependency automation (Renovate) and CDN configuration Background in high-traffic, event-driven or sports-related web platforms Experience in data-driven development (analytics, A/B testing) What We Offer Hybrid work you can truly shape – friendly model designed for real work‑life balance (max. 2 office days per month, or less - depending on location) Choose the cooperation model that fits you – Employment Contract or B2B Fair compensation – salary matched to your experience + annual bonus + copyrights Feel good at work – passion‑sharing meetups, team moments and initiatives Private medical care Benefits platform – shopping, cinema, sports discounts Stay active – Multisport + b‑active Grow your skills – courses and certifications Level up professionally – conferences and knowledge hubs Gift packages and recognition programs Additional days off and experience-based benefits Charity and eco initiatives Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all. Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. Choose your future. Choose Atos.

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