Data Scientist

hace 2 semanas

Catalonia, España Provide A tiempo completo

Senior Optimization Scientist We are seeking an experienced Senior Optimization Scientist to design advanced optimization models and algorithms that solve complex engineering and operational challenges. This role involves translating real-world business problems into mathematical models, developing robust optimization solutions, and working closely with cross-functional teams to bring these solutions into production. What you’ll do Develop classical and metaheuristic optimization algorithms (GA, PSO, SA, etc.) Design custom optimization solutions for complex, constraint-driven problems Translate business rules into mathematical constraints and models Collect, clean, and preprocess data from multiple sources Evaluate, fine-tune, and conduct sensitivity analyses on optimization models Collaborate with delivery and engineering teams to productionize models Communicate findings and recommendations to stakeholders and senior leaders Mentor junior team members and share optimization best practices What we’re looking for Bachelor’s or Master’s in Operations Research, Applied Mathematics, Computer Science, or related field 5 years of experience in optimization or a related domain Strong experience with metaheuristics (GA, PSO, SA, etc.) Proven ability to convert complex business problems into optimization algorithms Proficiency in Python and libraries such as Pandas, NumPy, SciPy, and Scikit-learn Experience with optimization tools such as PuLP, Pyomo, DEAP, Mealpy, or Optuna Strong understanding of constraint programming and business rule modeling Effective communication skills and fluency in English Nice to have Experience with data visualization tools Familiarity with solvers such as Gurobi, Hexaly, or CPLEX Knowledge of ETL and data cleansing processes Experience with linear optimization and OR-Tools Exposure to deploying models in cloud environments (AWS preferred)

  • Data Scientist

    hace 2 semanas

    Catalonia, España K2 Partnering Solutions A tiempo completo

    Senior Data Scientist – Logistics & Supply Chain (Freelance)We are looking for a Senior Data Scientist (Freelance) to deliver data-driven solutions for logistics and supply chain optimization, working closely with operations and business teams.What you'll doOptimize logistics networks, picking routes, and packing processesBuild forecasting, optimization,...

  • Data Scientist

    hace 1 semana

    Catalonia, España Optimis Tech A tiempo completo

    DATA SCIENTIST – SUPPLY CHAIN | POWERING SMARTER DECISIONS AT SCALE Location: Hybrid in BarcelonaLanguage: English (professional level)Contract: 6 months freelance contract + extensionStart Date: FebruaryRate: Up to €300/dayOnsite Requirement: 2–3 days per week in BarcelonaSummary:Our client, a leading global technology company, is looking for a Data...

  • Data scientist

    hace 2 semanas

    Catalonia, España Provide A tiempo completo

    Senior Optimization Scientist We are seeking an experienced Senior Optimization Scientist to design advanced optimization models and algorithms that solve complex engineering and operational challenges. This role involves translating real-world business problems into mathematical models, developing robust optimization solutions, and working closely with...

  • Data Scientist

    hace 4 días

    Catalonia, España Linkedin A tiempo completo

    Senior Optimization ScientistWe are seeking an experienced Senior Optimization Scientist to design advanced optimization models and algorithms that solve complex engineering and operational challenges. This role involves translating real-world business problems into mathematical models, developing robust optimization solutions, and working closely with...

  • Senior Data Scientist

    hace 1 semana

    Catalonia, España Capitole A tiempo completo

    At Capitole we continue to grow, and we are looking for a:Senior Data Scientist to join an international client, based in Barcelona. You will work on challenging projects that require applying advanced metaheuristic techniques to find pseudo-optimal solutions to complex problems. You will collaborate with cross-functional teams to understand business needs,...

  • Senior Data Scientist

    hace 6 días

    Catalonia, España Capitole A tiempo completo

    At Capitole we continue to grow, and we are looking for a: Senior Data Scientist to join an international client, based in Barcelona. You will work on challenging projects that require applying advanced metaheuristic techniques to find pseudo-optimal solutions to complex problems. You will collaborate with cross-functional teams to understand business needs,...

  • Lead Data Scientist

    hace 1 semana

    Catalonia, España twentyAI A tiempo completo

    The CompanytwentyAI are partnering with a European-based AI scale-up to hire a Lead Data Scientist as they scale their AI platform and client delivery capability. Our client builds production-grade AI products that help organisations solve complex, real-world business challenges. With a team of 300+ and backing from a top 10 global VC firm, they work closely...

  • Lead Data Scientist

    hace 1 semana

    Catalonia, España twentyAI A tiempo completo

    The Company twentyAI are partnering with a European-based AI scale-up to hire a Lead Data Scientist as they scale their AI platform and client delivery capability. Our client builds production-grade AI products that help organisations solve complex, real-world business challenges. With a team of 300+ and backing from a top 10 global VC firm, they work...

  • Lead Data Scientist

    hace 4 días

    Catalonia, España WhatJobs A tiempo completo

    The Company twentyAI are partnering with a European-based AI scale-up to hire a Lead Data Scientist as they scale their AI platform and client delivery capability. Our client builds production-grade AI products that help organisations solve complex, real-world business challenges. With a team of 300+ and backing from a top 10 global VC firm, they work...

  • Optimization scientist

    hace 2 semanas

    Catalonia, España Agap2 España A tiempo completo

    Are you looking for a new challenge where advanced optimization meets real-world impact? We are looking for a Senior Optimization Scientist to join a cutting-edge technology project within the aviation and travel sector, working on complex, high-impact optimization problems. You will collaborate with cross-functional teams to translate business needs into...