Performance Engineer Frontend Web App Optimizer Jobs in Barcelona
ethical AI opportunities in Spain
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Performance Engineer: Frontend & API Optimizer
🏢 LGT Digital Factory
📍 barcelona, barcelona, Spain
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Performance Engineer: Frontend & Web Apps WindTunnel
🏢 LGT Digital Factory SLU
📍 barcelona, barcelona, Spain
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Frontend Engineer — Global Impact, Remote (Spain)
🏢 Fever
📍 barcelona, barcelona, Spain
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Performance Engineer: Frontend & Cloud Performance
🏢 LGT Digital Factory
📍 barcelona, barcelona, Spain
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Frontend Developer for Digital Marketing
🏢 Festo
📍 Barcelona, Catalonia, Spain
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Tech Lead: Frontend & Backend (React/Node)
🏢 Capitole
📍 barcelona, barcelona, Spain
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Senior Frontend Engineer – Payments & Fraud (React + TS)
🏢 Hopper
📍 barcelona, barcelona, Spain
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Senior Software Engineer — End-to-End, Product‑Driven
🏢 SeQura
📍 barcelona, barcelona, Spain
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Senior Frontend-Focused Engineer, 100% En remoto
🏢 Social You
📍 Barcelona, Catalonia, Spain
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Remote Frontend Architect — Scale Global Web Apps
🏢 dLocal
📍 barcelona, barcelona, Spain
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Frontend-Focused Fullstack Engineer
🏢 Businessinsights
📍 barcelona, barcelona, Spain
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Frontend Performance Engineer: WindTunnel & Optimization
🏢 LGT Digital Factory SLU
📍 barcelona, barcelona, Spain
C
Senior Software Engineer - End-to-End Features, Hybrid Role
🏢 Collectly
📍 barcelona, barcelona, Spain
B
Senior Software Engineer, React (Investing & Trading) New Barcelona, Spain
🏢 Bitpanda GmbH
📍 barcelona, barcelona, Spain
B
Senior Software Engineer React, Barcelona
🏢 Bitpanda
📍 Barcelona, Catalonia, Spain
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Frontend Engineer – Travel Tech (Hybrid) | Ai‑driven Growth
🏢 Edreams
📍 Barcelona, Kingdom Of Spain, Spain
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Staff Backend Engineer: Remote, High-Throughput Mediation
🏢 Appodeal, Inc.
📍 barcelona, barcelona, Spain