Senior Full-Stack Engineer
Preply
Country: Spain
Location: Barcelona, Spain
Time Type: Full Time
Posted On: January 22, 2025
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 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 Preply Engineering Team provides the tools to help unlock human potential through learning.Our teams are cross-functional units composed of dedicated engineers, a Product Manager, Tech Lead, Data Analytics, and an Engineering Manager.
We work primarily with Python/Django to build scalable and robust applications. We implement A/B tests to prove the value of our initiatives and improve our product based on data and students and tutors feedback. As part of our commitment to ensuring high-quality products, we prioritize monitoring and metrics analysis to identify areas for optimization and ensure our services are performing at their best. Our team is made up of talented engineers who are passionate about solving complex problems and developing innovative solutions to drive our company's success.
At Preply, we release our product 50-60 times per day by leveraging top-notch CI/CD processes. As a fast-growing company we have diverse technical challenges (sometimes we even write about them on our Engineering Blog) that will allow you to develop your skills at scale.
The MarTech Team:
As the Full-Stack Engineer within our MarTech team, we’re looking for an autonomous problem-solver who is eager to understand the intricacies of marketing. With this understanding, you will independently craft tech and data solutions and be a key driver of Preply’s Growth.
What you’ll be doing:
- Collaborating with stakeholders: Work closely with marketing to understand their challenges and convert these into technical solutions.
- System Design: Design efficient system architectures that align with team goals, constraints and schedules.
- 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.
- Prioritization: Strike a balance between delivering fast results and maintaining high-quality, sustainable systems.
- Continuous Improvement: As a Senior Engineer, you will leverage your experience to guide the team in making informed technical decisions, such as continuous improvement of best practices (test culture, code reviews, monitoring and scalability of our tools).
What you need to succeed:
- Language agnostic: Our primary coding language is Python, but proficiency in it is optional as long as you are willing and able to quickly adapt to using it for product development.
- Exposure to front-end tech: A good understanding of React, Typescript, HTML/5, and CSS.
- Understanding Architectural Patterns: We operate at a large scale, which requires you to have experience in solving problems and building services that are efficient and 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.
- Willingness to be on-call for your squad (1 week every 5 weeks).
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.
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 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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