Software Engineer - ReactJS FullStack

About the role

Brevo, formerly known as Sendinblue, is the leading customer relationship management (CRM) suite designed to fully cultivate long-term customer relationships to empower businesses and expand in a fast-changing digital world. Brevo makes it simple and accessible for businesses to grow their customer relationships with intuitive and scalable marketing and CRM tools such as Email, SMS, WhatsApp, Chat, Marketing Automation, Meetings, and much more.

As a proud B Corp certified company, we are committed not only to performance but also to purpose—meeting high standards of social and environmental impact.

We are a rapidly growing team of more than 800+ employees, representing over 67 nationalities spread across eight offices in Paris, Berlin, Sofia, Noida, Bengaluru, Seattle, Vienna, and Toronto.

At Brevo, all Brevonauts evolve in a multicultural, caring, and flexible environment. We are an international team composed of tech & non-tech profiles looking for talents that share our values: empower the customer, build up together, impact first, humbly open, and people company.

We are looking for a Full Stack Software Engineer to help us build engaging, scalable, and reliable digital experiences for Brevo’s customers.

You will work primarily on React-based applications while also contributing to APIs, backend services, integrations, and end-to-end product features. You will collaborate closely with product managers, designers, backend engineers, and other development teams to translate customer and business needs into high-quality software.

We are looking for someone who enjoys solving meaningful customer problems, takes ownership of their work, and is comfortable working across the technology stack.

As a Reactjs Developer, you will: - Build and maintain scalable React applications using TypeScript and JavaScript.

- Develop reusable components and contribute to frontend architecture.

- Work with React Hooks, state management, and modern frontend patterns.

- Improve application performance, responsiveness, and reliability.

- Design, build, and maintain backend APIs and services that support product features.

- Develop server-side logic, data flows, validations, and business rules.

- Integrate frontend applications with backend services and external systems.

- Work with authentication, authorisation, error handling, logging, and API security.

- Investigate and resolve issues across the frontend and backend layers.

- Contribute to database interactions, data modelling, and query performance.

- Write unit, integration, and end-to-end tests across the stack.

- Contribute to monorepos, shared libraries, build systems, and CI/CD workflows.

- Participate in code reviews and collaborate with product, design, and engineering teams

What will contribute to your success? - 3+ years of experience in full-stack software development.