Mid Backend Engineer (Data-Focused) | €35K - €50K

ppWe're looking for a skilled bMid-Level Data Engineer for one of our clients (TOP Startup) /b to design, build, and optimize data pipelines and backend services that ensure clean, reliable data across the organization./pulliDesign, develop, and maintain scalable ETL/ELT pipelines to ingest, transform, and load data from multiple sources./liliWrite clean, efficient Python code with a focus on performance, memory efficiency, and maintainability./liliCollaborate on database schema design (SQL and NoSQL) and optimize query performance for fast, accurate data access./liliImplement unit tests, integration tests, and data quality checks to ensure pipeline integrity and prevent issues before production./liliDeploy and iterate on pipelines using CI/CD practices and containerization tools such as Docker, and participate actively in code reviews./liliStrong Python engineering skills (at least 3 years of professional experience) with emphasis on performance and production-quality code./liliExperience building and operating ETL/ELT data pipelines, pipeline orchestration, and large-scale data ingestion./liliFamiliarity with SQL and NoSQL databases, including schema design and query optimization./liliAbility to work autonomously, taking high-level requirements from scope definition to production./liliCapability to quickly understand and contribute to unfamiliar codebases./liliExperience with CI/CD workflows and containerization (e.g., Docker)./liliProfessional proficiency in both English and Spanish./liliFull-time, permanent contract /liliSalary range of €35,000-€50,000 gross per year, based on experience /liliAn office with stunning views of Barcelona /liliFlexible working hours and hybrid work options /liliPaid day off on your birthday /liliWeekly fresh fruit, coffee, and tea /liliFriday happy hours (optional) /liliTeam-building events /liliHealth insurance and flexible compensation /liliYearly training budget for continuous growth /li /ulh3About Joppy /h3pJoppy is a technology recruitment platform built for developers by developers./p /p #J-*****-Ljbffr

liliStrong Python engineering skills (at least 3 years of professional experience) with emphasis on performance and production-quality code. /liliExperience building and operating ETL/ELT data pipelines, pipeline orchestration, and large-scale data ingestion. /liliFamiliarity with SQL and NoSQL databases, including schema design and query optimization. /liliAbility to work autonomously, taking high-level requirements from scope definition to production. /liliCapability to quickly understand and contribute to unfamiliar codebases. /liliExperience with CI/CD workflows and containerization (e.g., Docker). /liliProfessional proficiency in both English and Spanish.

liliFull-time, permanent contract /liliSalary range of €35,000-€50,000 gross per year, based on experience /liliAn office with stunning views of Barcelona /liliFlexible working hours and hybrid work options /liliPaid day off on your birthday /liliWeekly fresh fruit, coffee, and tea /liliFriday happy hours (optional) /liliTeam-building events /liliHealth insurance and flexible compensation /liliYearly training budget for continuous growth /li /ulh3About Joppy /h3pJoppy is a technology recruitment platform built for developers by developers. /p /p #J-*****-Ljbffr