OverviewIn this role you will help shape Preply's CRM platform and automation, driving impactful communication with millions of learners and tutors.
You will contribute across backend, frontend, and data-driven experimentation to scale personalized experiences.
The role blends hands-on delivery with technical leadership to improve reliability, performance, and product outcomes.
Join a cross-functional team to push AI-enhanced workflows and cross-market optimization at general scale.
You will be a key driver of engineering excellence in a fast-growing, data-informed environment.
ResponsabilidadesEvolve the CRM platform and automation, implementing AI-assisted workflows and templating to speed and reliability of campaign delivery
Develop backend features in Python/Django and integrate with third-party vendors and the CRM/communications stack
Build frontend experiences in React/TypeScript and contribute to experimentation frameworks and best practices
Lead complex initiatives from discovery to deployment, owning solutions over their lifecycle
Raise engineering standards through reviews, mentorship, and adoption of best practices
Partner with Product, Data, and UX to validate hypotheses and maximize customer value via experimentation
Shape system architecture for scalability, reliability, maintainability, and developer productivity
Navigate trade-offs,



align technical investments with business goals, and drive successful delivery
Influence technical direction beyond the team and foster cross-functional collaboration
Pursue excellence through craftsmanship, curiosity, and helping others grow
Requisitos principalesFull-stack expertise across backend and frontend
Experience delivering internal tooling or automation that others rely on
Ability to produce production-ready email and templating work with understanding of rendering constraints
AI expertise with hands-on use of Agentic AI and ability to influence architecture and safety nets
Experience designing large-scale web applications and APIs with scalable patterns
Demonstrated technical leadership and influence on architectural decisions
Product-minded with ability to translate business challenges into scalable technical solutions
Proactive problem-solving in ambiguous contexts and independent initiative
Ownership and accountability with track record from concept to delivery
Strong collaboration and communication across engineering, product, design, and data; English level B2+
Operational excellence with observability and on-call willingness
collaboration
communication
mentorship
Python
Django
React

📌 Senior Full-Stack Engineer (Barcelona)
🏢 Preply
📍 Barcelona