Experteer Overview You will help clients transform their businesses by building and coaching cutting-edge software and AI solutions. In a global, multidisciplinary team, you'll deliver hands-on engineering work while mentoring client teams and shaping engineering culture. Expect cross-functional collaboration, high-impact projects, and a strong learning culture that accelerates your growth.

This role offers meaningful client impact, diverse industries, and opportunities to lead technical delivery across the full stack and AI domains.Compensaciones / Beneficios - Develop software products and services end-to-end for client engagements - Mentor client teams and coach them on engineering best practices, user-centric design, and Agile values - Co-create with clients to shape digital strategies and deliver solutions beyond the product - Engage in cross-functional problem-solving with client leaders to drive scalable engineering cultures - Collaborate across industries to turn digital ambitions into reality with hands-on technical work - Be based in Madrid or Lisbon as part of QuantumBlack,



contributing to industry-shaping products - Grow as a technologist and leader while contributing to diverse projects and technologiesResponsabilidades - 2+ years of experience developing full-stack applications with readable, testable, maintainable, scalable code - Demonstrated collaboration with developers and non-technical stakeholders within software teams - Hands-on experience across frontend (TypeScript, React, Angular, Vue, Next.Js, Tailwind) and backend (Python, Node.Js, Java/Spring, C#/.NET) plus databases (SQL, NoSQL, vector, ETL) - Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms (Azure, AWS, GCP), including Docker and CI/CD - Strong focus on automated testing, logging, monitoring, and system reliability - Experience in Agile teams, active sprint participation, and pair programming - Excellent time management in autonomous work environments - Business-level fluency in English and local office languageRequisitos principales - competitive salary - comprehensive benefits package - general network of technologists, designers, and strategists - mentorship and structured learning programs - apprenticeship culture - opportunities for international collaboration

📌 Software Developer - Data & Machine Learning Platform (Madrid)
🏢 McKinsey u0026
📍 Madrid