WE POWER PEOPLE’S PROGRESS. At Preply, we’re all about creating life-changing learning experiences. 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. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at global scale. 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 team The 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. At Preply, we ship 50–60 times per day, thanks to a solid CI/CD setup and a culture that values action over ceremony. 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!), the kind of work that keeps you learning, stretching, and growing. We’ve reached 90%+ adoption of AI coding tools across engineering, and we’re now moving towards more autonomous, AI-Augmented development at scale. At Preply, engineers have direct access to the best tools available, with the freedom to use them fully and experiment as they build. What you’ll be doing You 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; - UI Development: 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; - System Design: Shape architectural direction for complex systems, making technical decisions that improve scalability, reliability, maintainability, and developer productivity; - Prioritisation & Decision-Making: Navigate ambiguity, evaluate trade-offs, and align technical investments with business objectives and customer impact; - Technical Leadership: Influence technical direction beyond your immediate scope, collaborating with engineers, managers, and stakeholders to drive alignment and successful delivery; - Chasing Excellence: Continuously raise the quality bar through craftsmanship, curiosity, continuous learning, and a commitment to helping others grow. What you need to succeed - Full-Stack Expertise: Comfortable across the stack - building backend services in any major language, and working on the front end; - Internal Tooling Track Record: You've built and owned tooling or automation that other engineers depended on day to day, and you understand that adoption is part of the job, not a follow-up; - 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. - AI Expertise: You're a forefront user of Agentic AI. You're able to bring hands on experience and start influencing the team beyond code generation; 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. - Scalable Systems & Architecture: 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; - Technical Leadership: Demonstrated ability to influence technical decisions, drive engineering best practices, and contribute to architectural direction within your team; - 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; - Proactive Problem-Solving: Comfortable navigating ambiguity and independently solving complex technical and product challenges, while knowing when to engage others to maximize impact; - Ownership & Accountability: High level of self-organization, ownership, and responsibility, with a track record of driving initiatives from concept through delivery and measurable outcomes; - Collaboration & Communication: 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; - Engineering Excellence: Experience working in a cross functional team, contributing to code and design reviews, and helping raise the engineering bar through knowledge sharing and technical leadership; - Operational Excellence: 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); OUR PRINCIPLES - Care to change the world - We are passionate about our work and care deeply about its impact to be life changing. - We do it for learners - For both Preply and tutors, learners are why we do what we do. Every day we focus on empowering tutors to deliver an exceptional learning experience. - 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. Now is the time to make great things happen. - Disciplined execution - What makes us disciplined is the excellence in our execution. We set clear goals, focus on what matters, and utilize our resources efficiently. - Dive deep - We leverage business acumen and curiosity to investigate disparities between numbers and stories, unlocking meaningful insights to guide our decisions. - Growth mindset - We proactively seek growth opportunities and believe today's best performance becomes tomorrow's starting point. We humbly embrace feedback and learn from setbacks. - Raise the bar - We raise our performance standards continuously, alongside each new hire and promotion. We build diverse and high-performing teams that can make a real difference. - Challenge, disagree and commit - We value open and candid communication, even when we don’t fully agree. We speak our minds, challenge when necessary, and fully commit to decisions once made. - One Preply - We prioritize collaboration, inclusion, and the success of our team over personal ambitions. Together, we support and celebrate each other's progress. DIVERSITY, EQUITY, AND INCLUSION Preply.com http://Preply.com is committed to creating an inclusive environment where people of diverse backgrounds can thrive. We believe that the presence of different opinions and viewpoints is a key ingredient for our success as a multicultural Ed-Tech company. That means that Preply will consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status.

Senior Full-stack Engineer - CRM

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