We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact. We've just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a category-defining company, we're shaping what the future of learning looks like at global scale.

¿Le gusta esta oportunidad? Asegúrese de inscribirse veloz, ya que se espera un gran volumen de solicitudes. Desplácese hacia abajo para leer la descripción completa del puesto.

Every Preply lesson sparks change, fuels ambition, and drives progress that matters.

Joining

Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day. Meet the teamThe CRM team owns how Preply talks to millions of learners and tutors - every lifecycle email, push notification and in-app message that reaches them at the moments that matter, at scale and in every market we operate in. We work across Preply's core platform, built with Python/Django on the backend and React on the frontend, and the CRM stack that powers our communications layer. Our focus now is adding more automation to that layer and making it AI-native so the team's output scales with the business.

We're proudly tech-agnostic, great engineers come from all kinds of backgrounds. Whether you've worked with Java/Spring, Node.js, Ruby on Rails, Scala/Play, PHP, or Go, you'll feel right at home here. Python experience isn't required.

We make decisions based on data and real user feedback: running A/B tests, shipping iteratively, and constantly improving. We also put a strong focus on observability, monitoring, and metrics, so we can keep our systems healthy and continue optimizing at scale.

As a fast-growing company, you'll find a wide range of technical challenges (we even write about many of them on our Engineering Blog!), We've reached 90%+ adoption of AI coding tools across engineering, and we're now moving towards more autonomous, AI-Augmented development at scale. What you'll be doingYou will work in a truly cross-functional team alongside Engineers, CRM Marketers, Localisation specialists, Product Designers, UX Writers,



and other stakeholders to deliver meaningful outcomes for learners and tutors.

As a Senior Full Stack Engineer on the CRM team, you'll build the platform our communications run on, combining hands-on execution with technical leadership, helping shape both product direction and engineering excellence through initiatives that drive customer and business impact, including, but not limited to: CRM Platform & Automation: Evolve how our communications get built and shipped - working with Braze and HTML templating, and building the automation and AI-assisted workflows that make campaign delivery faster and more reliable.

Braze experience is a plus, not a requirement - it's knowledge the team already has and will share with you;Back-end Development: Develop and own backend features using Python/Django, supporting the creation of new backend services as well as design, create, and/or troubleshoot integrations with third-party vendors including our CRM and communications stack;Develop and evolve frontend experiences in React/Typescript, contributing to experimentation frameworks and helping establish frontend engineering best practices;Implementation & Ownership: Lead complex initiatives from discovery through deployment, taking ownership of solutions throughout their lifecycle and balancing immediate product needs with long-term sustainability;Raising the Bar: Drive engineering excellence through mentorship, architectural reviews, and the adoption of best practices across frontend and backend development;Data-Driven Product Development: Partner closely with Product, Data, and UX teammates to identify opportunities, validate hypotheses, and maximize customer value through experimentation and measurable outcomes;Influence technical direction beyond your immediate scope, collaborating with engineers, managers, and stakeholders to drive alignment and successful delivery;Continuously raise the quality bar through craftsmanship, curiosity, continuous learning, and a commitment to helping others grow.





What you need to succeedFull-Stack Expertise: Comfortable across the stack - building backend services in any major language, and working on the front end;Email & Template Engineering: You can deliver production-ready email independently with a templating language, and you understand why email engineering is not web engineering - the rendering constraints, the client quirks, the testing burden.reserving judgment for architecture, business logic, and security, using AI as a thought partner and able to set up quality gates and safety nets to enhance existing engineering workflows and propose AI-native alternatives.

Experience designing and evolving large-scale web applications, including well-designed APIs, distributed systems, high-volume data flows, and scalable architectural patterns.

Ability to make sound technical trade-offs that balance short-term delivery with long-term sustainability;Product & Business Impact: Strong product mindset with the ability to translate ambiguous business challenges into scalable technical solutions, using experimentation, data, and customer insights to guide decisions;Excellent collaboration, stakeholder management, and communication skills, with the ability to work effectively across engineering, product, design, and data functions.

English level B2 or higher;Understanding of observability, reliability, monitoring, and operational best practices, with willingness to participate in your squad's on-call rotation (1 week every 5 weeks);We do it for learners - For both Preply and tutors, learners are why we do what we do. Keep perfecting - To create an outstanding customer experience, we focus on simplicity, smoothness, and enjoyment, continually perfecting it as every detail matters.

Now is the time - In a fast-paced world, it matters how quickly we act. Growth mindset - We proactively seek growth opportunities and believe today's best performance becomes tomorrow's starting point. Raise the bar - We raise our performance standards continuously, alongside each new hire and promotion.

Challenge, disagree and commit - We value open and candid communication, even when we don't fully agree. xugodme We believe that the presence of different opinions and viewpoints is a key ingredient for our success as a multicultural Ed-Tech company.

📌 Senior Full-stack Engineer - CRM (Barcelona)
🏢 Preply
📍 Barcelona