Senior Full-Stack Engineer

Flashpoint; Barcelona; Presencial; EUR 35.000 - 55.000; Jornada completa

Descripción de la vacante

A leading company in the Ed-Tech sector is seeking a full-stack developer to join their Martech team in Barcelona. This role involves developing scalable marketing tools using Python and React, focusing on both backend and frontend development. Candidates should possess strong problem-solving skills and a collaborative mindset, contributing to impactful marketing campaigns that drive global growth.

Servicios

Generous monthly allowance for lessons

Learning & Development budget

Competitive financial package

Access to mental health support

Formación

• Full-stack expertise with backend focus.
• Good understanding of React, Typescript, HTML5, and CSS.
• Experience in designing efficient system architectures.

Responsabilidades

• Develop frontend features in React / Typescript.
• Write services from concept to deployment.
• Collaborate with marketing to convert challenges into technical solutions.

Conocimientos

Backend expertise

Frontend development

Problem-solving

Communication

Descripción del empleo

At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalized learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact. So far, 90,000 tutors have delivered over 20 million lessons to learners in more than 175 countries. Every Preply lesson sparks change, fuels ambition, and drives progress that matters.

Meet the team!

The Martech team develops systems and tools to scale marketing efforts, like SEM / Paid Marketing. We focus on creating and optimizing the infrastructure behind scalable marketing campaigns, prioritizing efficiency and innovation over direct contributions to Preply’s product. From automating workflows to optimizing budget allocation, our work bridges technology and impactful results.

Joining Martech means being part of a dynamic, high-impact team that drives the marketing engine behind Preply’s global growth.

Our primary programming language is Python, but we take a tech-agnostic approach. This means we welcome candidates with diverse technology backgrounds, including Java / Spring, Node.js / Express.js, Ruby / Ruby on Rails, Scala / Play, PHP, or Golang.

What you’ll be doing :

• UI Development : Develop frontend features in React / Typescript, launched in our A / B experimentation framework.
• Implementation : Take on the responsibility of writing services from initial concept to full-fledged deployment.
• Collaborating with stakeholders : Work closely with marketing to understand their challenges and convert these into technical solutions.
• Raising the bar of our end-to-end solutions : Leverage previous experience to implement and socialize current best practices in frontend and backend.
• System Design : Design efficient system architectures that align with team goals, constraints, and schedules.
• Prioritization : Strike a balance between delivering fast results and maintaining high-quality, sustainable systems.
• Chasing Excellence : Embody a mindset of mastery by continuously seeking to improve your craft, delivering work of exceptional quality, and inspiring those around you to aim higher.

What you need to succeed :

• Full-Stack Expertise : This role is primarily backend-focused, with about 60% of the work on backend development and 40% on the frontend, requiring solid backend expertise and well-rounded full-stack engineering skills.
• Exposure to front-end tech : A good understanding of React, Typescript, HTML5, and CSS.
• Understanding Architectural Patterns : We operate on a large scale, requiring you to have experience in solving problems and building efficient services that can handle significant user traffic and data processing.
• 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.

Why you’ll love it at Preply :

• Open, collaborative, dynamic and diverse culture.
• Generous monthly allowance for lessons on Preply.com.
• Learning & Development budget, including time off for your self-development.
• Competitive financial package with equity, leave allowance and health insurance.
• Access to free mental health support platforms.
• Opportunity to shape the lives of learners and tutors from over 175 countries through language learning and teaching.
• 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 is committed to creating a diverse and inclusive environment where people from all backgrounds can thrive. Different opinions and viewpoints are key ingredients in our success as a multicultural Ed-Tech company.

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. Together, we are The World Class.

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