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Desarrollador Java Backend Aso – Remoto - Remoto

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Remote Java backend developer building ASO services and backend components on the APX platform for strategic financial-sector projects. Requires banking environment and transaction-implementation experience; knowledge of proprietary architectures like Ether is a plus.

Desarrollador/A Backend .Net

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Senior Backend .NET developer designing scalable backend services and REST APIs for digital transformation projects — modernizing legacy applications and building new cloud-native solutions — alongside architecture, frontend, DevOps and business teams in agile, hybrid work in Spain.

AI API CI/CD Cloud Cloud Native +6 skills

Frontend Developer

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Frontend developer in Madrid building web solutions at a digital transformation consultancy that delivers mobile, web and AI apps for many clients. Day to day you develop with Angular, jQuery, Bootstrap and JavaScript, and are comfortable touching Java JSP backend code.

Angular Bootstrap Java JavaScript jQuery +1 skills

The BIG Jobsite, La Fosse

Frontend Developer - €200 - €300 A Day - Remote

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Remote frontend developer role paying €200–€300 per day. The developer builds responsive user interfaces for customer-facing and internal platforms, integrating with PHP environments and working with cross-functional teams.

200 – 300 € / day

Senior Frontend Developer - €300 - €400 A Day

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On-site contract role in Spain for a senior frontend developer building conversion-focused interfaces for public websites and internal tools in a PHP environment. Day to day: HTML5/CSS3/JavaScript (ES6+), jQuery, Twig templating, SASS/BEM, A/B testing and performance optimisation.

AI CSS HTML JavaScript jQuery +5 skills

300 – 400 € / day

Jooble, La Fosse

Senior Frontend Developer - €300 - €400 A Day

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Contract Senior Frontend Developer building high-performance, conversion-focused interfaces for public websites and internal tools in PHP environments, using HTML5/CSS3, JavaScript, jQuery, Twig templating and SASS/BEM, plus A/B testing and performance optimisation. Day rate €300–€400, start ASAP, open-ended.

AI CSS HTML JavaScript jQuery +5 skills

300 – 400 € / day

Senior Frontend Developer (Gijón) - €300 - €400 A Day

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Day-rate (€300–€400) frontend developer role based in Gijón, Spain: building high-performance web UIs, running A/B tests, and ensuring cross-browser compatibility while collaborating with cross-functional teams.

300 – 400 € / day

Airbus Helicopters

Connectivity Systems Engineer – Avionics & Data Links

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Airbus Helicopters España in Getafe seeks a systems engineer to own functional and system design of connectivity (avionics and data links) for new technology projects, performing system-level integration within the Mission System department and contributing to the FireFighting24H project team.

Oxigent Technologies

Data Scientist/Forecasting ML Engineer

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Data Scientist/Forecasting ML Engineer at Oxigent Technologies (Madrid-based team, 100% remote possible in Spain) developing time-series demand forecasting models for a biopharma-sector project. Day to day: refactoring Dataiku/notebook code into clean modular Python, structuring data in Snowflake, and working with an MLOps architect on containers and pipelines.

Feature Engineering Machine Learning MLOps Python Snowflake

48K – 53K €

Civil Engineer - Data Center Projects (Hybrid, Flexible)

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ILERWORK busca un/a Ingeniero/a Civil para desarrollar proyectos de Data Centers y obras civiles complejas en un entorno híbrido. Se integrará en un equipo multidisciplinar y participará en todas las fases, desde el…

AutoCAD BIM Revit

Mondelez International

Remote Data Platform Engineer - Full Stack & Analytics

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Mondelez International's Media Data Platform team seeks a full-stack engineer with a strong data engineering background to build secure, scalable data products — data pipelines, dashboards, and AI-driven insights — in collaboration with vendors and internal stakeholders, following governance best practices. Role is based in Spain.

AI Data Engineering Data Pipelines

Mondelēz International

Data Platform Engineer - Full-Stack & Analytics

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Mondelēz International is hiring a Full Stack Data Platform Engineer in Spain to build and scale data pipelines and analytics for media data. Day to day they design cloud-based data solutions, drive data migrations and governance, partner with vendors, and deliver insights via internal dashboards and AI-driven tools.

AI Analytics Cloud Data Pipelines

Barcelona Supercomputing Center

Data Manager – Data Research Engineer (Re2) – Ai4S

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About BSC The Barcelona Supercomputing Center - Centro Nacional de Supercomputación (BSC-CNS) is the leading supercomputing center in Spain. It houses MareNostrum, one of the most powerful supercomputers in Europe, was…

AI Bash Data Governance HPC Linux +1 skills

Barcelona Supercomputing Center

Data Research Engineer & Data Steward (FAIR)

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Data management role at the Barcelona Supercomputing Center's AI Institute: the person builds data catalogues and data services, implements automated data procedures, and ensures data standards and security across BSC projects, working in Linux environments with FAIR/Open Science practices.

Bank Julius Bär & Co. Ltd.

Senior Data Engineer: SQL Mastery for Financial Data

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Senior Data Engineer at Bank Julius Bär in Madrid, building SQL-driven transformations and data models to deliver business-critical datasets for analytics and regulatory reporting. Core stack is SQL, with Python and BI tools highly valued.

Analytics Data Modeling Data Quality Python SQL

Data Engineer Azure + Snowflake — Híbrido en España

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Data Engineer at Apiux España building data integration and transformation projects on Azure and Snowflake, ensuring data availability, governance, and quality for analytics and business. Day to day involves developing pipelines and ingesting/processing cloud data using SQL and version control tools, in a hybrid setup in Spain.

Azure Cloud Snowflake SQL

Grupo TECDATA Engineering

Data Engineer Senior: Migración Cloudera a GCP (Remote)

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Senior data engineer leading a Cloudera-to-GCP migration: moving workloads and validating pipelines between platforms with focus on performance and data security. Core stack spans HDFS, Spark/Scala/PySpark, Dataproc (incl. Serverless), Spark Streaming and Kafka, plus GCP data services and governance (Dataplex, IAM, BigQuery Tags).

BigQuery Cloud Cloudera Dataproc GCP +8 skills

Data Engineer especializado/a en Azure y Snowflake

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Apiux España, an IT consulting firm, seeks a Data Engineer in Terrassa (Barcelona) to build, maintain, and orchestrate ETL/ELT data pipelines with Azure Data Factory and Snowflake for a corporate project, ensuring data availability, governance, and quality. Requires 2-4 years of cloud data integration experience and advanced SQL.

Analytics API Azure Azure Data Factory Cloud +7 skills

Data Engineer Azure + Snowflake - Terrassa (Barcelona)

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Data Engineer building, evolving and maintaining data integration and transformation pipelines using Azure (Data Factory) and Snowflake. Starts 100% on-site in Terrassa/Barcelona, moving to hybrid after 2-3 weeks with the possibility of going fully remote. Requires 2-4 years of cloud ETL experience and solid SQL.

API Azure Azure Data Factory Cloud Data Warehousing +5 skills

Data Engineer: Azure & Databricks for Scalable Data Pipelines

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PSD Group is recruiting a Data Engineer in Madrid for a global technology client. Day to day, you will consolidate data from across the organisation and design scalable ETL/ELT pipelines on Azure and Databricks to make data available for analytics, ML and AI.

AI Analytics Azure Data Pipelines Databricks +3 skills