**InnoIT is looking for Mid and Senior Data Scientists** **Hybrid: Viladecans (Barcelona area) \- 3 days/week on\-site** Help shape the next generation of **AI\-driven decision\-making** in aviation and travel. In this role, you’ll build **optimization models and algorithms** to solve complex operational challenges at scale — from translating business constraints into mathematical formulations to deploying robust solutions in production. **What you’ll drive** * Design and implement optimization algorithms, including **metaheuristics** (Genetic Algorithms, PSO, Simulated Annealing) * Translate real operational rules into **constraints \+ objective functions** * Analyze, clean, and structure data to improve model performance and reliability * Benchmark, tune, and run **sensitivity analyses** to validate trade\-offs and assumptions * Work with product and engineering teams to **productionize** optimization solutions in Python * Share knowledge and contribute to a strong, collaborative DS culture **You might be a fit if you have** * A degree in **Operations Research, Applied Mathematics, Computer Science**, or similar * Experience designing optimization solutions (metaheuristics and/or mathematical programming) * Strong **Python** skills (NumPy, Pandas, SciPy, scikit\-learn) * Familiarity with tools such as **Pyomo, PuLP, OR\-Tools, DEAP, Mealpy, Optuna** * Confidence communicating with both technical and business stakeholders * **Fluent English** **What we offer** * Career plan \+ **€1,000/year training budget** * **Private health insurance fully covered** * ️ Online language classes * Flexible compensation with **Cobee** * Free lunch on Wednesdays * Team After Thursdays * Meetups and internal tech communities *At InnoIT, we actively promote diversity, equity, and inclusion. We encourage people from all backgrounds and experiences to apply, and we especially welcome applications from women and other underrepresented groups in the tech sector. We assess all applications fairly and are committed to making any necessary adjustments to ensure a fair recruitment process and an inclusive work environment. We do not discriminate on the basis of gender, age, ethnic origin, nationality, sexual orientation, gender identity, religion, disability, or any other characteristic protected by law.* *We take our commitment to gender equality seriously and fully comply with all applicable equality regulations. We foster an inclusive and equitable workplace where everyone, regardless of gender, has the same opportunities for growth and development.*