Ofertes d'ocupació a Wallapop

• Flexibilitat horàriaSi
• Nivell d'experiència---
• Tipus de contracteA temps complert
• Publicada10 de març

Python Agile TSQL Azure Cloud Coumputing AWS DevOps Kafka Spark Big Data Tableau Office

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where a collaborative economy is mainstream. This is what drives us.

Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale & trust of classifieds with the marketplace´s convenience & reach. Our mission is to enable a connected trade ecosystem, making 2nd-hand the norm through smart use of technology.

Backed by top investors such as Accel, Insight Partners & Naver Corp we bring our total valuation to 806 million EUR and are embarking on our international journey with the aim to become the world´s best unique goods trading platform.

The Challenge
- As a Data Engineer, you will partner and collaborate with Data Analysts, Data Scientists and Engineers to make high-impact decisions based on data. Your work will influence the future of Wallapop in many ways.
- Every single day, hundreds of thousands of products are uploaded to Wallapop, millions of searches are generated, and millions of users trade goods and services on our platform. You will allow us to find the best insights into our business by providing fast and smooth access to data.
- If you love processing massive datasets, building robust and scalable data platforms, and getting your hands dirty by writing complex queries and data pipelines, Wallapop is your place to go.


What You Will Do
- Work with a team of talented Data Analysts, Data Scientists and Engineers to provide the best possible data platform.
- Support day-to-day issues that may arise unexpectedly.
- Develop and maintain data models, warehouses, and lakes according to industry best practices.
- Optimize data infrastructure for concurrency, query performance, and storage efficiency.
- Implement high-quality, scalable data pipelines to integrate and provide access to diverse data sources.
- Develop and maintain data streaming/real-time solutions.
- Ensure thorough documentation and quality in both code and implementation.
- Drive testing, optimization, and tooling to enhance data quality.
- Elevate software development standards across data projects, including CI/CD, testing, code reviews, and cloud development environments.
- End-to-end monitoring and alerting, from infrastructure to business metrics.
- End-to-end data lineage and cataloging.
- Data warehouse transformation layer with dbt.
- Data lake standardization.
- Increase elasticity of data infrastructure, primarily the data warehouse.

What We´re Looking For
- Experience in data warehousing and data lake design patterns.
- Experience in both batch, streaming/real-time solutions.
- Advanced proficiency in distributed systems, database design, and big data technologies such as Spark, Beam, Flink, or Kafka.
- Proven experience in building and maintaining large-scale data warehouses and ensuring data quality at scale.
- Expertise in data modeling and designing highly scalable and efficient data pipelines.
- Good SQL and Python (preferably) programming skills.
- Knowledge of BI tools such as Looker or Tableau for data visualization and reporting.
- Proficiency in DevOps practices, including CI/CD, testing, and deployment automation.
- Knowledge of cloud-based data engineering solutions, such as AWS, GCP, or Azure.
- Strong analytical and problem-solving skills, with the ability to identify and address complex data issues.
- Excellent communication skills to lead and collaborate with cross-functional teams and stakeholders.
- Ability to recommend platform improvements for the short, medium, and long term.
- Ability to work independently with minimal supervision, taking ownership of complex projects.

Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals.

Wallapop is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone.

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following Perks & Benefits:
- Competitive phantom shares package for all employees
- Generous individual learning budget of 2k per year
- Group and individual English, Catalan & Spanish lessons as part of our working day
- Private Health Insurance with Alan
- Flexible working hours + short Fridays
- Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)
- Gym & Wellness plan, including physiotherapist in the office
- Generous referral Program & Charity Donation
- Bonus for weddings & newborns
- Wallapop Renta (Tax income support)
- Monthly plan for free shipping, bumps & home-pick-up on our services
- Workiversary Gifts and Birthday Surprises
- Contribution towards your WIFI in your monthly payroll
- One-off payment based on compensation package to go towards setting up your home office
- Relocation package (monetary support and legal advice) and visa sponsorship, if applicable
- 26 holidays per year
- TOP hardware of your choice (latest Apple or Windows)

• Flexibilitat horàriaSi
• Nivell d'experiència---
• Tipus de contracteA temps complert
• Publicada8 de març

Python Agile TSQL Azure Git AWS R Machine Learning Tableau Office

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us.

Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale & trust of classifieds with the marketplace´s convenience & reach. Our mission is to enable a connected trade ecosystem, making 2nd-hand the norm through smart use of technology.

Backed by top investors such as Accel, Insight Partners & Naver Corp we bring our total valuation to 806 million EUR and are embarking on our international journey with the aim to become the world´s best unique goods trading platform.

The Challenge

As a Data Analyst, you will be responsible for working with large datasets to uncover trends, patterns, and correlations. You will transform data-driven insights into strategic recommendations for stakeholders at all levels, ranging from product teams to tribe leads and company leadership. Collaborating closely with Product, Marketing, Data, and Tech teams, you will design and execute experiments, conduct quantitative research, and ensure continuous access to high-quality data and insightful visualizations.

What You Will Do
- Developing metrics, key performance indicators (KPIs) and performance measurement frameworks.
- Identifying growth opportunities through data trends using time-series analysis and predictive modeling.
- Extracting quantitative insights from data, and translating them into actionable recommendations to address knowledge gaps and drive business impact.
- Creating and managing dashboards, enabling easy data access for the stakeholders.
- Maintaining data pipelines to ensure efficient data flow and accessibility, and ensuring data quality.
- Designing, executing and interpreting A/B tests to evaluate product features or marketing strategies.
- Conducting exploratory data analysis (EDA) to understand data characteristics, user segments and market evolution.
- Contributing to high-quality documentation for metrics, analyses and data models.
- Promoting data literacy and a data-driven mindset within the team and the organization.

What We´re Looking For
- Proven experience in a Data Analyst role, preferably in a fast-paced, data-driven environment.
- Expert-level proficiency in SQL and data visualization tools (e.g., Tableau, Looker, etc.).
- Strong analytical skills with the ability to extract meaningful insights from complex datasets.
- Excellent communication and presentation skills, capable of conveying complex data insights to both technical and non-technical stakeholders.
- Experience in defining and implementing metrics and data models.
- Solid understanding of statistical concepts, methodologies, and their practical applications.
- Proactive and collaborative mindset, with a proven ability to work effectively across cross-functional teams.
- Passion for data and a strong commitment to data-driven decision-making.

What Would Be A Plus
- Familiarity with Data Warehousing and ETL processes.
- Knowledge of programming languages such as Python or R.
- Proficiency with version control systems, particularly Git.
- Basic experience in training and applying Machine Learning models and techniques
- Experience working with large datasets and cloud-based data platforms (e.g., AWS, GCP, Azure).
- Domain expertise in marketplaces or classifieds.
- Exposure to qualitative research methodologies.

Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals.

Wallapop is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone.

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following Perks & Benefits:
- Competitive phantom shares package for all employees
- Generous individual learning budget of 2k per year
- Group and individual English, Catalan & Spanish lessons as part of our working day
- Private Health Insurance with Alan
- Flexible working hours + intensive Fridays
- Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)
- Gym & Wellness plan, including physiotherapist in the office
- Generous referral Program & Charity Donation
- Bonus for weddings & newborns
- Wallapop Renta (Tax income support)
- Monthly plan for free shipping, bumps & home-pick-up on our services
- Work anniversary Gifts and Birthday Surprises
- Contribution towards your WIFI in your monthly payroll
- One-off payment based on compensation package to go towards setting up your home office
- Relocation package (monetary support and legal advice) and visa sponsorship, if applicable
- 26 holidays per year
- TOP hardware of your choice (latest Apple or Windows)

• Flexibilitat horàriaSi
• Nivell d'experiència---
• Tipus de contracteA temps complert
• Publicada7 de març

Agile iOS Swift RxSwift Office

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us.

Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale & trust of classifieds with the marketplace´s convenience & reach. Our mission is to enable a connected trade ecosystem, making 2nd-hand the norm through smart use of technology.

Backed by top investors such as Accel, Insight Partners & Naver Corp we bring our total valuation to 806 million EUR and are embarking on our international journey with the aim to become the world´s best unique goods trading platform.

The Challenge

With a 10+ year-old codebase and more than 18 iOS developers pushing code daily to the same repository, we face numerous challenges. Our most important technologies include:
- Our own simplified TCA-inspired architecture with RxSwift
- Custom dependency injection system
- Extensive testing infrastructure including snapshot-based integration tests
- Modern UIKit and SwiftUI
- Performance monitoring and analytics tools
- Realm/CoreData
- Quick/Nimble
- Snapshot Testing

What You Will Do
- Design and implement new features following our architectural guidelines
- Collaborate with product and design teams to deliver high-quality user experiences
- Write clean, maintainable, and testable code
- Participate in code reviews and technical discussions
- Help improve our testing practices and code quality
- Contribute to the evolution of our architecture and development practices
- Work closely with other platforms to ensure consistent user experiences
- Participate in technical decisions that impact your team´s features

What We´re Looking For
- Strong experience with Swift and iOS development
- Proven track record of writing clean, maintainable code
- Experience working in large modular codebases with multiple teams
- Good understanding of software architecture principles
- Experience with reactive programming (RxSwift)
- Strong problem-solving skills with attention to detail
- Excellent communication and collaboration abilities

What Would Be A Plus
- Experience with SwiftUI
- Background in modular architectures
- Experience with structured concurrency

Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals.

Wallapop is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone.

We sponsor visa processes for international candidates when applicable and provide legal & admin support along the process combined with a competitive relocation package.

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following Perks & Benefits:
- Competitive phantom shares package for all employees
- Generous individual learning budget of 2k per year
- Group and individual English, Catalan & Spanish lessons as part of our working day
- Private Health Insurance with Alan
- Flexible working hours + short Fridays
- Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)
- Gym & Wellness plan, including physiotherapist in the office
- Generous referral Program & Charity Donation
- Bonus for weddings & newborns
- Wallapop Renta (Tax income support)
- Monthly plan for free shipping, bumps & home-pick-up on our services
- Workiversary Gifts and Birthday Surprises
- Contribution towards your WIFI in your monthly payroll
- One-off payment based on compensation package to go towards setting up your home office
- Relocation package (monetary support and legal advice) and visa sponsorship, if applicable
- 26 holidays per year
- TOP hardware of your choice (latest Apple or Windows)

• Flexibilitat horàriaSi
• Nivell d'experiència---
• Tipus de contracteA temps complert
• Publicada6 de març

Java MySQL Agile Docker Elasticsearch Kotlin Microservices AWS DevOps Solr Spring RabbitMQ Redis Kafka Office

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us.

Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale & trust of classifieds with the marketplace´s convenience & reach. Our mission is to enable a connected trade ecosystem, making 2nd-hand the norm through smart use of technology.

Backed by top investors such as Accel, Insight Partners & Naver Corp we bring our total valuation to 806 million EUR and are embarking on our international journey with the aim to become the world´s best unique goods trading platform.

The Challenge

Some of the interesting things we are currently doing include finding new ways to handle the complexity or improve resiliency. We leverage various AWS technologies (compute, storage, etc.) to meet our objectives. At Wallapop, as a Backend Engineer, you´ll own team microservices, fully embracing the DevOps philosophy. Our tech stack includes the following:
- Kotlin & Java
- Spring Boot & Ktor
- Kafka & RabbitMQ
- MySql, DynamoDB, Redis & RedShift
- Docker
- Solr & ElasticSearch
- AWS: S3, ECS, RDS, Lambdas, CloudWatch, MSK, SES, CloudFront & more

What You Will Do
- Write robust, scalable code in Java or Kotlin, depending on your team´s stack
- Develop new features using Domain-Driven Design (both tactical and strategic design)
- Address and refactor legacy components
- Testing all the things! Testing is a must, especially if you want to avoid those friendly reminders during the code review

What We´re Looking For
- Strong problem-solving skills and critical-thinking abilities
- Quality-driven mindset with keen attention to detail and pragmatism
- Adaptable and eager to learn and grow

Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals.

Wallapop is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone.

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following Perks & Benefits:
- Competitive phantom shares package for all employees
- Generous individual learning budget of 2k per year
- Group and individual English, Catalan & Spanish lessons as part of our working day
- Private Health Insurance with Alan
- Flexible working hours + short Fridays
- Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)
- Gym & Wellness plan, including physiotherapist in the office
- Generous referral Program & Charity Donation
- Bonus for weddings & newborns
- Wallapop Renta (Tax income support)
- Monthly plan for free shipping, bumps & home-pick-up on our services
- Workanniversary Gifts and Birthday Surprises
- Contribution towards your WIFI in your monthly payroll
- One-off payment based on compensation package to go towards setting up your home office
- Relocation package (monetary support and legal advice) and visa sponsorship, if applicable
- 26 holidays per year
- TOP hardware of your choice (latest Apple or Windows)

• Flexibilitat horàriaSi
• Nivell d'experiència---
• Tipus de contracteA temps complert
• Publicada6 de març

Python Agile TSQL Azure Cloud Coumputing AWS R Machine Learning Office

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us.

Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale & trust of classifieds with the marketplace´s convenience & reach. Our mission is to enable a connected trade ecosystem, making 2nd-hand the norm through smart use of technology.

Backed by top investors such as Accel, Insight Partners & Naver Corp we bring our total valuation to 806 million EUR and are embarking on our international journey with the aim to become the world´s best unique goods trading platform.

The Challenge

We are seeking a highly motivated and experienced Data Science Manager to lead and grow a team of talented data scientists. In this role, you will be responsible for the overall direction and success of data science initiatives across the organization. You will work closely with stakeholders across various departments to understand their business needs, translate them into actionable data science projects, and deliver impactful solutions that drive business growth and improve operational efficiency.

What You Will Do
- Team Leadership:
- Lead, mentor, and develop a high-performing team of data scientists, fostering a collaborative and innovative work environment.
- Recruit, hire, and onboard top data science talent.
- Set clear performance goals, provide regular feedback, and conduct performance reviews.

- Build & Own Data Science Roadmap:
- Define and prioritize data science projects aligned with business objectives.
- Develop and manage project timelines and resources effectively.
- Oversee the entire project lifecycle, from initial scoping and data exploration to model deployment, ongoing monitoring & impact assessment.

- Technical Expertise:
- Apply, mentor & review latest data science, machine learning, and artificial intelligence methods & practices.
- Provide technical guidance and support to the data science team (python, R, SQL) working with industry leading tools (Amazon Sage Maker, S3, Redshift, Jupyter notebooks and more)
- Collaborate with engineers and other technical teams to ensure seamless integration of data science solutions into production environments.

- Stakeholder Management:
- Build and maintain strong relationships with key stakeholders across the organization.
- Communicate complex technical concepts to non-technical audiences effectively.
- Present data-driven insights and recommendations to senior leadership.

- Data Strategy:
- Contribute to the development and implementation of the company´s overall data strategy.
- Advocate for data-driven decision making across the organization.
- Promote a data-centric culture within the company.

What We´re Looking For
- Master´s degree in Computer Science, Statistics, Mathematics, or a related field or equivalent experience
- 5+ years of experience in a data science or machine learning role, with at least 3+ years of experience in a managerial or leadership position.
- Strong proficiency in Python and R.
- Experience with machine learning algorithms (e.g., supervised, unsupervised, deep learning).
- Expertise in data mining, data warehousing, and data visualization tools.
- Familiarity with cloud computing platforms (e.g., AWS, Azure, GCP).
- Excellent communication, presentation, and interpersonal skills.
- Strong analytical and problem-solving skills.
- Ability to work independently and as part of a team.
- Proven leadership and mentorship skills.
- Excellent project management and organizational skills.
- Strong business acumen and understanding of business needs.

Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals.

Wallapop is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone.

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following Perks & Benefits:
- Competitive phantom shares package for all employees
- Generous individual learning budget of 2k per year
- Group and individual English, Catalan & Spanish lessons as part of our working day
- Private Health Insurance with Alan
- Flexible working hours + short Fridays
- Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)
- Gym & Wellness plan, including physiotherapist in the office
- Generous referral Program & Charity Donation
- Bonus for weddings & newborns
- Wallapop Renta (Tax income support)
- Monthly plan for free shipping, bumps & home-pick-up on our services
- Workiversary Gifts and Birthday Surprises
- Contribution towards your WIFI in your monthly payroll
- One-off payment based on compensation package to go towards setting up your home office
- Relocation package (monetary support and legal advice) and visa sponsorship, if applicable
- 26 holidays per year
- TOP hardware of your choice (latest Apple or Windows)

• Flexibilitat horàriaSi
• Nivell d'experiència---
• Tipus de contracteA temps complert
• Publicada6 de març

Python Agile iOS Swift RxSwift Office

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us.

Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale & trust of classifieds with the marketplace´s convenience & reach. Our mission is to enable a connected trade ecosystem, making 2nd-hand the norm through smart use of technology.

Backed by top investors such as Accel, Insight Partners & Naver Corp we bring our total valuation to 806 million EUR and are embarking on our international journey with the aim to become the world´s best unique goods trading platform.

The Challenge

With a 10+ year-old codebase and more than 18 iOS developers pushing code daily to the same repository, we face numerous challenges. Our most important technologies include:
- Our own simplified TCA-inspired architecture with RxSwift
- Custom dependency injection system
- Extensive testing infrastructure including snapshot-based integration tests
- Modern UIKit and SwiftUI
- Performance monitoring and analytics tools
- Realm/CoreData
- Quick/Nimble
- Snapshot Testing

What You Will Do
- Design and implement scalable solutions for our modular architecture
- Work on continuous integration and deployment pipelines using Python and Bitrise
- Develop and maintain automation tools for improving developer productivity
- Create and improve monitoring systems for key metrics and performance indicators
- Collaborate across different technical stacks to establish best practices and architectural guidelines
- Drive technical decisions that impact not only iOS but potentially other platforms
- Help teams adopt and leverage our custom testing infrastructure effectively
- Proactively identify and solve engineering bottlenecks
- Work with data-driven approaches to measure and improve development processes

What We´re Looking For
- Strong experience with Swift and iOS development
- Proven track record of writing clean, maintainable code
- Experience working in large modular codebases with multiple teams
- Data-driven mindset with strong analytical skills
- Excellent communication and collaboration abilities
- Strong problem-solving skills with attention to detail

What Would Be A Plus
- Experience with CI/CD pipelines and build automation
- Knowledge of performance monitoring and metrics
- Experience with Python or other scripting languages
- Background in developer tooling or infrastructure
- Deep understanding of iOS build systems and dependency management (like CocoaPods internals or Bazel)
- Track record of optimizing complex build processes and dependency graphs

Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals.

Wallapop is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone.

We sponsor visa processes for international candidates when applicable and provide legal & admin support along the process combined with a competitive relocation package.

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following Perks & Benefits:
- Competitive phantom shares package for all employees
- Generous individual learning budget of 2k per year
- Group and individual English, Catalan & Spanish lessons as part of our working day
- Private Health Insurance with Cigna
- Flexible working hours + short Fridays
- Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)
- Gym & Wellness plan, including physiotherapist in the office
- Generous referral Program & Charity Donation
- Bonus for weddings & newborns
- Wallapop Renta (Tax income support)
- Monthly plan for free shipping, bumps & home-pick-up on our services
- Workiversary Gifts and Birthday Surprises
- Contribution towards your WIFI in your monthly payroll
- One-off payment based on compensation package to go towards setting up your home office
- Relocation package (monetary support and legal advice) and visa sponsorship, if applicable
- 26 holidays per year
- TOP hardware of your choice (latest Apple or Windows)