3,275 ofertas de qa engineer freelance en toda España.

... measuresfor production systems - Support integration of production datainto enterprise IT systems for analytics and reporting - Collaborate with production, engineering, and IT teams to minimize downtime and optimize processes - Participate in change management, system upgrades, and compliance audits - Troubleshoot complex ...

Aily Labs in Barcelona is seeking a Senior/Lead AI Research Engineer for the Agents Team to push frontiers in LLMs, Agentic AI, and advanced ML systems. You will design experiments, fine-tune models, and build reproducible research pipelines that scale in production. You’ll work with a small, highly technical team, reporting ...

... Opportunities If you want to know more about Big Data, artificial intelligence or machine learning and how they are changing the world, your place is here! We are an engineering and innovation company working in different areas. Within the IT sector we have reinvented the future of data, integrating the most advanced techniques in ...

A leading aviation maintenance provider is seeking a B1 Licensed Aircraft Engineer specializing in the A320 fleet for their Barcelona station. The successful candidate will perform maintenance tasks and issue Certificates of Release to Service, ensuring compliance with safety procedures. This role offers a competitive salary, ...

CTAO ERIC in La Palma, Canary Islands, seeks an On-Site Systems Engineer to support commissioning, acceptance, and ongoing operation of LSTs. The role collaborates with LST Collaboration and Central Organisation teams, with occasional travel required to ORM at 2,200 m a.s.l. and coastal offices. Responsibilities include ...

Taxfix is seeking a Staff Software Engineer to build core features for our flagship product, turning complex tax scenarios into simple, reliable experiences. You'll work hands-on in a cross-functional team and take ownership from discovery to production, with a strong emphasis on AI-first software development and maintainable ...

Analog Devices, Inc. in Spain seeks a digital design engineer to join the GMSL SerDes group, contributing to high-speed data IC development and automotive safety/infotainment applications. The role involves SystemVerilog RTL design, verification planning, and collaboration with cross-functional teams to deliver robust mixed-signal ...

Valsea is seeking a Staff-level engineer to own AI strategy for a mature, high-scale platform. You will be the senior technical voice, yet prefer hands-on collaboration on complex integrations over strategy decks. You’ll shape production reliability, data quality, and security as core responsibilities. This role combines ...

Pleo is seeking a senior Analytics Engineer to own the semantic layer and analytics standards across the organization. You’ll define and evangelize modelling standards, build AI-augmented development practices, and lead the migration of data models across the Analytics Warehouse and Operational Data Platform. You’ll interact ...

dLocal is seeking a Staff AI Engineer for the AI Lab to scout, prototype, and evaluate emerging AI technologies, running instrumented spikes and benchmarks, and delivering actionable recommendations to engineering, product, legal and IT. This senior individual-contributor role has technical influence across teams and involves ...

Métrica España busca un Data Engineer con experiencia en entornos Big Data para diseñar y optimizar pipelines con Spark, PySpark y Azure Databricks. Trabajo 100% remoto desde España, enfocado en soluciones escalables y eficientes. Se valorará la capacidad de colaborar directamente con clientes, aplicar IA para acelerar ...

Gaming Innovation Group is seeking a Senior Big Data Engineer to join the Data department in Barcelona. You will own design, development and support of major realtime big data projects, promoting best practices and robust solutions across data platforms. You will design ETL processes, work with Spark, Kafka, NiFi and ClickHouse, ...

GiG is seeking a Senior Big Data Engineer in Barcelona to lead design, development and support of major realtime big data projects. You will own ETL pipelines, data validation, and performance optimisations while promoting best practices within the data team. Based in Barcelona with a hybrid work model, you will collaborate ...

Gaming Innovation Group in Madrid is seeking a Senior Big Data Engineer to own analytics, design, and build of major realtime big data projects within the Data department. You will contribute to code reviews and promote best practices while delivering robust solutions across all big data initiatives. You will drive data-driven ...

SilkRoad is seeking an Industrial Automation Engineer (Multi-Site) for the South Area (Spain). Are you an expert in Industrial Automation (OT) and Digitalisation looking for a corporate project with real impact across multiple manufacturing plants? Join a leading multinational in its sector undergoing expansion and digital ...

Pillar is hiring a Full Stack Engineer in Barcelona to help build AI-driven software for Italian SMEs. You will work in a fast-moving startup with autonomous squads and a strong ownership culture. You’ll contribute with React, https://jobeax.com/link/Z30sZYC3jcRenVso, Supabase and TypeScript, building a product-focused ...

... more than 6 million customers every day in 13 countries. Within the Global Technology division, you are part of a strong cross-functional team of software engineers,data scientists and analytics experts to drive the development of our global product data management. Withinthe team and in close collaboration with the business ...

Tuyo is building the future of money and we’re seeking a Senior Software Engineer, React Native, to own core mobile features in a fast-moving startup. You’ll work closely with product, design, and founders to ship high-quality experiences for thousands of users across the globe. We value ownership, speed, and a strong emphasis ...

Winid is seeking a Senior Full Stack Engineer in Madrid to join an international team building a large-scale SaaS platform. You will work across backend with https://jobeax.com/link/XoOr05ZMdUyNwOHw and frontend with React, shaping architecture and owning features from design through deployment. The role emphasizes technical ...

AD4 Octógono está buscando un/a Databricks Data Engineer para unirse a un equipo internacional y contribuir en la ingesta, transformación y explotación de datos en soluciones basadas en Databricks. El perfil debe ser autónomo, analítico y capaz de gestionar prioridades en entornos distribuidos. Se valorará experiencia en ...