At Brevo, we’re not just building a CRM. With our technology, we’re helping millions of organizations build lasting relationships with their customers. From emails and SMS to WhatsApp, Chat, and Marketing Automation, our tools are intuitive, powerful, and built to scale with every ambition. We give businesses a clear view of the customer journey, so they can focus on what matters: connection. As a certified B Corp, we’re proud to grow with purpose, committed to high standards of social and environmental impact, not just performance. Today, more than 500,000 businesses across 180 countries—from NGOs like Amnesty International to global brands like Carrefour, eBay, Louis Vuitton, and Michelin—trust Brevo to engage their audiences, cut through complexity, and deliver results. Our reliable technology and 75+ integrations help them create unparalleled customer experiences, without the usual tech headaches. In 2024, we reached €179M ARR with nearly 1,000 team members worldwide. And we’re just getting started! At Brevo, we’re not just building a CRM. With our technology, we’re helping millions of organizations build lasting relationships with their customers. From emails and SMS to WhatsApp, Chat, and Marketing Automation, our tools are intuitive, powerful, and built to scale with every ambition. We give businesses a clear view of the customer journey, so they can focus on what matters: connection. As a certified B Corp, we’re proud to grow with purpose, committed to high standards of social and environmental impact, not just performance. Today, more than 500,000 businesses across 180 countries—from NGOs like Amnesty International to global brands like Carrefour, eBay, Louis Vuitton, and Michelin—trust Brevo to engage their audiences, cut through complexity, and deliver results. Our reliable technology and 75+ integrations help them create unparalleled customer experiences, without the usual tech headaches. In 2024, we reached €179M ARR with nearly 1,000 team members worldwide. And we’re just getting started! Join us as a Senior ReactJS Developer and help shape engaging, scalable, and high-quality digital experiences for Brevo’s customers. You will work closely with product managers, designers, backend engineers, and other development teams to build intuitive, reliable, and maintainable frontend solutions. We are looking for someone passionate about React, who takes pride in writing elegant code, and is motivated by solving meaningful customer problems through thoughtful engineering. Join us as a Senior ReactJS Developer and help shape engaging, scalable, and high-quality digital experiences for Brevo’s customers. You will work closely with product managers, designers, backend engineers, and other development teams to build intuitive, reliable, and maintainable frontend solutions. We are looking for someone passionate about React, who takes pride in writing elegant code, and is motivated by solving meaningful customer problems through thoughtful engineering. Your impact at Brevo: - Develop robust React applications from the ground up, leading complex modules with complete ownership and strong technical judgment. - Design clean abstractions and reusable patterns, writing efficient and non-redundant code that adheres strictly to DRY principles. - Drive application performance and responsiveness by continuously optimising rendering, bundle sizes, caching, and load speeds. - Ensure production reliability through comprehensive testing strategies, including unit, integration, and component tests alongside continuous monitoring. - Translate design and functional specifications into production-ready code using modern frontend toolchains and automation frameworks. - Structure and scale monorepo workspaces with a strong focus on modularisation, versioning, and clean dependency management. - Enhance build processes, deployment pipelines, and CI/CD workflows to ensure fast, smooth, and dependable releases. - Collaborate effectively across teams, maintaining strong technical communication, shared accountability, and a delivery-driven mindset. Who you are: - 4+ years  of hands-on experience in  Reactjs , with strong expertise in React Hooks, state management patterns, and JS fundamentals. - Proven experience in  leading complex modules or features  within large-scale web applications. - Strong understanding of  monorepos , including workspaces, module isolation, shared libraries, version control practices, and publish/release workflows. - Deep proficiency in TypeScript , JavaScript ,  React architecture ,  design patterns , and  performance optimisation techniques . - Solid understanding of  build systems and bundlers  (Webpack, Vite, etc.) and experience working with CI/CD pipelines. - Competent with  testing frameworks  (Jest, React Testing Library, etc.) and building reliable test suites. - Strong problem-solving skills with the ability to break down complex requirements into modular, scalable solutions. - Excellent communication skills, collaborative mindset, and a strong willingness to learn and adapt Nice to Have - Prior experience in a high-scale SaaS or B2B email/marketing technology - Familiarity with AI tools and coding agents (e.g., Claude, GitHub Copilot, Cursor, or similar AI-assisted development workflows); strong integration of these tools into daily workflow is a plus Our candidate journey: - Round 1 - Technical Interview - Virtual (60mins) - Round 2 - Technical Interview - Virtual (60 mins) - Round 3  - BU Head Interview (in person, 60 mins) - Round 4 - HR Round (30mins) Why people love working at Brevo: - A place to grow, together:  Join a diverse, international team in a modern office buzzing with energy and ideas. - Practical perks for everyday balance:  Cab Facility and per-day meal vouchers; Employee-friendly salary structure; 1.4x pay on holidays/weekends for critical work; excellent referral program with high-value gift options (e.g., bike, flight tickets) - Learning, every step of the way:  Over 1,55,000 courses on Udemy, along with facilitator-led sessions, and personalised training programs tailored to individual and team needs - Flexible for life:  A hybrid setup (2 days WFH), budget for your home workspace, and a generous leave policy to help you balance life and work effortlessly - A culture that cares:  Annual company off-sites, inter-office trips, team outings, active social, green, and LGBTQIA+ communities, along with festive celebrations - all making Brevo a vibrant and inclusive workplace. Whoever you are, wherever you’re from, if this role speaks to you, we’d love to hear from you. At Brevo, we’re proud to be an AI-first company. Still, every application is carefully reviewed by a member of our team.

Senior Software Engineer ReactJS - Self Serve

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