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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Analyst & Python Engineer - **Company:** Live Data Solutions - **Location:** Laza, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Data Analysis, Unit Testing, Command-Line Interface, Software Quality, Code Review, Databases, Continuous Integration, Data Mining, Relational Databases, Database Queries, Django Web Framework, Python (Programming Language), PostgreSQL, NumPy, OAuth, Performance Tuning, Redis, Software Engineering, SQL Databases, Data Processing, Freeform SQL, File Transfer Protocol (FTP), Flask (Web Framework), Backend, Fastapi, Pandas, Celery, Restful APIs, Docker - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/data-analyst-python-engineer-en-laza-ID-366077948 ## About the Role Solid experience in software design. Data Analysis and Manipulation: Advanced level in Pandas and Numpy for data analysis, cleaning, and transformation. Proficiency in SQL for complex queries, optimization, and data manipulation in relational databases. Backend Development and APIs: Proven experience developing with Django and/or Django REST Framework. Proven experience developing high-performance APIs with FastAPI. In-depth knowledge of designing, developing, and consuming RESTful APIs, including authentication (OAuth, JWT, etc.) and token management. Experience with Flask. Experience with Celery is a plus. Databases: Advanced experience with PostgreSQL: schema design, complex SQL queries, performance optimization, indexes, transactions. Practical experience with Redis. Other Required Skills: Docker Unit testing CI/CD ## Description Vertigo Media Performance - Lead Generation at ScaleVertigo Media Performance is a high-performance lead generation agency operating across Europe and international markets.We design, test, and optimize large-scale acquisition campaigns in competitive verticals such as Home Improvement, Health, Solar, Insurance, and more.Our ambition over the next ***** months:Accelerate our international growthStructure and scale our creative productionBecome one of Europe's leading performance-driven lead generation companiesIn this context, we are looking for aData-Driven Performance Creative & Media Buyer Internto join our Paid Social team.Our team offers clients a comprehensive service built around three areas of expertise:TechnologyConsultingAgency ServicesThrough our client portfolio, we address a variety of sectors, industries, and challenges. We work with e-commerce sites, service providers, content publishers, and intermediaries. Our expert team in email marketing delivers the best solutions for loyalty, acquisition, and contact reactivation strategies.Job SummaryWe are looking for a versatile and highly skilled Python Developer to join our innovative team. You will be a key player in the design, development, and maintenance of our platforms, with a strong focus on both advanced data analysis and the construction of robust backend systems and efficient APIs. The ideal candidate is passionate about technology, with a solid understanding of software engineering principles, and eager to actively contribute throughout the entire lifecycle of high-impact product development.Key ResponsibilitiesPerform complex data analysis, including the integration, cleaning, transformation, processing, and visualization of large volumes of information using Pandas, Numpy, and SQL.Develop and maintain modules for importing and exporting data from various sources (CSV files, SFTP, APIs).Write complex and optimized SQL queries for data extraction and manipulation.Design, develop, test, deploy, and maintain backend applications using Python, with a strong focus on the Django framework.Integrate the platform with external and internal APIs for project management, contacts, and data quality.Develop and maintain command-line interface (CLI) tools for platform management and operation.Ensure code quality by writing unit tests and participating in code reviews.Collaborate in troubleshooting and optimizing platform performance.Document developed components and implemented processes.Identify bottlenecks and bugs, and propose solutions to mitigate and resolve these issues.Key Project Technologies and ToolsPython and Software Fundamentals:Advanced level of Python and its ecosystem.Solid experience in software design.Data Analysis and Manipulation:Advanced level in Pandas and Numpy for data analysis, cleaning, and transformation.Proficiency in SQL for complex queries, optimization, and data manipulation in relational databases.Backend Development and APIs:Proven experience developing with Django and/or Django REST Framework.Proven experience developing high-performance APIs with FastAPI.In-depth knowledge of designing, developing, and consuming RESTful APIs, including authentication (OAuth, JWT, etc.) and token management.Experience with Flask.Experience with Celery is a plus.Databases:Advanced experience with PostgreSQL: schema design, complex SQL queries, performance optimization, indexes, transactions.Practical experience with Redis.Other Required Skills:DockerUnit testingCI/CDRabbitMQGitUnix/LinuxPower BIOur OfferStart date: As soon as possibleJoin a young and multicultural company full of opportunitiesReal career growth potential.Great office in Barcelona center.See moreApplication deadlineAs long as the job is onlineStudy levelMaster level or equivalentJob CategoryMarketing & Webmarketing ## Related Videos - [Python-Based Data Streaming Pipelines Within Minutes](https://www.wearedevelopers.com/videos/1233-python-based-data-streaming-pipelines-within-minutes) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Vectorize all the things! 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