behavior

Mercor seeks experienced AI Safety Red Teamers to identify vulnerabilities in frontier AI systems through adversarial testing. You will design challenging prompts, uncover model weaknesses, and evaluate AI behavior across complex, high-risk topics.Responsibilities include designing prompts to stress-test models, identifying jailbreaks and policy failures,...

Tripledot Studios in Barcelona seeks a Product Lead to own the product strategy for a mobile game or a major live area. You will translate player behavior, game performance and market data into a clear roadmap, collaborating with cross‑functional teams to launch, measure and iterate monetisation models that drive growth. You’ll own KPIs, run A/B tests,...

You design and tune control algorithms for wind turbines, wind farms, and hybrid plants to ensure safe and efficient operation. You model dynamic system behavior and validate performance against grid codes and mechanical constraints. You develop strategies for power and energy management systems, collaborating with cross-functional teams to enable scalable,...

You design and tune control algorithms for wind turbines, wind farms, and hybrid plants to ensure safe and efficient operation. You model dynamic system behavior and validate performance against grid codes and mechanical constraints. You develop strategies for power and energy management systems, collaborating with cross-functional teams to enable scalable,...

Quince is hiring a Senior Creative Strategist to bridge global creative output with European consumer behavior. You will adapt high-performing US creative for UK and DE/FR markets, lead the EU/UK experimentation framework, and coordinate with US teams to scale successful concepts.You will own testing cadence, drive revenue growth, and collaborate with brand,...

Jobtailor seeks a seasoned software engineer/QA specialist to design and execute automated and manual QA strategies for GenAI systems in Madrid. You will build regression tests, synthetic data, and evaluation pipelines to verify accuracy, grounding, robustness, and safety. You will validate prompt logic and model behavior, run tests, review code, and...

apeirum is seeking a Simulation Engineer for Robotic Drive Systems in Barcelona to build and evolve an internal simulation and visualization platform used in complex engineering design. You will develop and improve simulation capabilities for robotic actuators and drive systems, and work on models, workflows, and interfaces to support engineering teams. You...

apeirum is seeking a Simulation Engineer for Robotic Drive Systems in Barcelona to build and evolve an internal simulation and visualization platform used in complex engineering design. You will develop and improve simulation capabilities for robotic actuators and drive systems, and work on models, workflows, and interfaces to support engineering teams.You...

Socialpoint in Barcelona is seeking a Principal Game Data Analyst to influence product strategies using data insights. You will collaborate with game teams to analyze player behavior, design A/B tests, and build predictive models that assess game performance. The ideal candidate should have experience in data analysis within gaming, understanding game...

Mafer AI is seeking a food scientist with hands-on industry R&D experience to translate kitchen knowledge into software used by our R&D and quality teams. You will work directly with clients and collaborate with our engineers to model ingredient behavior, stability, and shelf life.Required: a PhD or equivalent in food science or nutrition, Python...

Alpega is seeking a Marketplace Risk & Compliance Legal Expert to guard the platform’s security and support the Safe Marketplace Specialists Team. You will manage the entire lifecycle of user trust, from onboarding (KYC) to ongoing monitoring, ensuring legitimate behavior and preventing fraud and theft.You will analyze patterns to stay ahead of...

Jobtailor seeks a seasoned software engineer/QA specialist to design and execute automated and manual QA strategies for GenAI systems in Madrid. You will build regression tests, synthetic data, and evaluation pipelines to verify accuracy, grounding, robustness, and safety.You will validate prompt logic and model behavior, run tests, review code, and...

Henkel seeks a Senior Global eCommerce Business Analyst to shape and execute the eCommerce strategy for the Adhesives unit. You will translate consumer behavior data into strategic actions, collaborate with global and local teams, agencies, and tools, and drive digital transformation across markets.The role focuses on turning data into decisions, optimizing...

Socialpoint in Barcelona, part of the Zynga & Take-Two Interactive family, seeks a Principal Data Analyst to drive data-driven decisions for top games and business growth. You will shape product strategy, analyze player behavior, and mentor analysts to elevate analytics standards across the company. You will design experiments, build predictive models, and...

Socialpoint in Barcelona is seeking a Principal Game Data Analyst to influence product strategies using data insights. You will collaborate with game teams to analyze player behavior, design A/B tests, and build predictive models that assess game performance.The ideal candidate should have experience in data analysis within gaming, understanding game...

AirHelp is evolving its app into a proactive travel assistant, with Senior Product Designer owning the premium subscription UX—from bundles to monetization and engagement. You’ll collaborate with product and engineering to define problems, hypothesize, build and test solutions, and iterate based on real user behavior and metrics. The role focuses on...

Ethnik Living is seeking a Creative Strategist to own our paid media creative strategy and help us scale profitable customer acquisition. You will translate customer insights into compelling short- and long-form video concepts and static ads, leading creative sprints with our Graphic Designer and Marketing Manager.You will write direct-response copy, guide...

Contentsquare is seeking a Senior Product Manager to guide segmentation and lifecycle analytics, translating data into actions that improve conversion, engagement, and retention. You will partner with Engineering, Design, Data, Identity, and AI teams to shape product strategy and roadmaps across analytics platforms.In this role you’ll define audiences,...

Mafer AI is seeking a food scientist with hands-on industry R&D experience to translate kitchen knowledge into software used by our R&D and quality teams. You will work directly with clients and collaborate with our engineers to model ingredient behavior, stability, and shelf life.Required: a PhD or equivalent in food science or nutrition, Python...

Nordex seeks an Engineer Grid Integration Control to design and tune controllers for wind turbines, wind farms, and hybrid plants. You will model dynamic power-system behavior and validate against grid codes and mechanical constraints. The role requires travel and English proficiency, with German or Spanish desirable.The engineer will develop PMS/EMS control...