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, o ur 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! We are seeking an exceptional Senior Software Engineer who combines strong backend expertise in Go (Golang) with good React.js capabilities and, most importantly, a product-builder mindset. This is a high-impact role for an engineer who goes beyond simply implementing requirements . You will identify problems, understand customer needs, shape solutions, and own outcomes end-to-end from technical design and implementation to rollout and iteration. While this is a full-stack position, the primary focus will be on building and evolving our high-throughput Go microservices ecosystem, powering millions of critical daily interactions, while contributing to intuitive React experiences where needed. We are looking for someone who thinks like a builder and acts like an owner, proactively identifying opportunities, challenging assumptions, making pragmatic decisions, and partnering closely with Product, Design, and Engineering to turn ambiguous problems into simple, scalable solutions. Your Impact at Brevo: Own complex product initiatives end-to-end, from understanding the problem and shaping the solution to building, launching, and iterating on it across Go backend services and React interfaces. Drive technical and product decisions for scalable, reliable systems, proactively identifying bottlenecks, simplifying complexity, and solving problems before they become blockers. Raise the engineering bar through thoughtful design, code reviews, pragmatic technical decisions, and continuous reduction of technical debt. Act as a technical multiplier for the team, sharing context, mentoring engineers, and helping others make better technical and product decisions. Partner closely with Product, Design, Infrastructure, and other engineers to turn ambiguous customer and business problems into simple, scalable solutions that deliver measurable impact. Embrace AI as a product-building tool, with hands-on exposure to AI/LLM capabilities and a curiosity to explore how AI can improve developer productivity, product experiences, and customer outcomes. Who You Are: 4–6 years of professional software engineering experience delivering high-impact, production-grade applications at scale, with strong hands-on proficiency in Go (Golang) and deep expertise in microservices, concurrency, and distributed systems. Experience with Agentic AI tools such as AI coding agents, autonomous developer assistants, and LLM toolchains, using them as force multipliers in the daily engineering workflow. Strong frontend development experience with React.js and JavaScript , building modern, responsive applications and delivering seamless full-stack user experiences. Hands-on experience with high-volume technologies , including MongoDB, MySQL, Kafka or RabbitMQ, and Redis , with a practical understanding of databases, messaging, and caching strategies. Strong technical fundamentals across algorithms, full-stack system design patterns, and debugging complex production environments using tools such as Datadog, Kibana, or New Relic . Self-driven and autonomous approach , with strong problem-solving skills, proactive ownership of complex technical challenges, and the ability to inspire engineering excellence within the team. High-impact mindset with a relentless drive to push technical boundaries and pioneer Agentic Engineering paradigms Why people love working at Brevo: A place to grow, together: Join a diverse, international team across our Paris and Noida offices buzzing with energy, ideas, and people who genuinely care about the work they do. Practical perks for everyday balance: Daily meal vouchers, transport support, an employee-friendly salary structure, and a high-value referral program because the little things add up. Learning, every step of the way: Facilitator-led sessions, expert workshops, language learning support, and personalised training programs tailored to your growth, not just your role. Flexible for life: A hybrid work setup, a budget for your home workspace, and a generous leave policy including wedding, paternity, and bereavement leave so life and work can actually coexist. Wellbeing that works: Comprehensive health insurance, enhanced parental leave, childcare support, and wellness initiatives to keep you and your family covered wherever you're based. A culture that cares: Annual company off-sites, inter-office trips to connect with global teammates, team outings, and active Social, Green, and LGBTQIA+ communities making Brevo a vibrant and inclusive place to belong. Your candidate journey: Round 1 - A call with the Talent Acquisition team Round 2 - An interview with the Technical Team - 1H Round 3 - An interview with the Engineering Manager - 1H Round 4 - An interview with the Hiring Manager/BU Head - 1H Please note : Face-to-face interviews will be aligned whenever required 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.