Senior Full-stack Engineer; frontend-heavy

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 power people’s progress. At Preply, we’re focused on 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 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. As a category-defining company, we’re shaping the future of learning at global scale. Every Preply lesson sparks change, fuels ambition, and drives progress that matters for millions of people, every day.

• Design and deliver user-facing features using React, and Type Script. You’ll own the entire journey, from shaping the UX, to implementation, to launch and validation through our A/B experimentation framework.
• Develop backend features using Python/Django.
• Help us improve our codebase and workflows by applying practical best practices across frontend, backend, and mobile.
• Collaborate with Design, Product, and Data to ideate, test, and validate user-facing experiences. Analyze metrics, formulate hypotheses, analyze experiment results, and iterate quickly based on impact.
• Strike the right balance between fast delivery and long-term stability, helping us ship impactful features without adding complexity.
• Set a high bar for code quality and teamwork, and help others grow through collaboration, feedback, and good engineering practices.

• Full-Stack Expertise:
  This role is primarily front-end focused, with approximately 70% of the work dedicated to front-end development and 30% to back-end development, requiring solid front-end expertise and well-rounded full-stack engineering skills.
• Front-end Expertise:
  Strong expertise in React, Typescript, HTML5, and CSS.
• Exposure to back-end tech:
  Expertise in Python/Java/Node.js/Ruby/Ruby on Rails/PHP/Golang.
• Understanding Architectural Patterns:
  While deep backend expertise isn’t required, familiarity with key architectural concepts and the ability to contribute to building reliable, efficient services that support user-facing features at scale is valued.
• Proactive Problem-Solving:
  You will be expected to face and solve challenges independently, both in the codebase and in our product initiatives.
• Communication
  
  Skills:
  
  Good at working with others and communicating effectively in English at a B2 level or higher.
• Ownership:
  You take responsibility for the quality and outcomes of your work, not just the code. You can make thoughtful technical decisions, contribute to improving our engineering practices, and support teammates through knowledge sharing and constructive feedback.
• Deep, hands-on expertise in AI tools, especially in agentic AI SDLC.

• An open, collaborative, dynamic and diverse culture;
• A generous monthly allowance for lessons on , Learning & Development budget and time off for your self-development;
• A competitive financial package with equity, leave allowance and health insurance;
• Access to free mental health support platforms;
• The opportunity to shape the lives of learners and tutors through language learning and teaching in 175 countries (and counting!).

• 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…