Junior Product Engineer - AI

Agencia : Havas Media Group Spain Descripción de Puesto : . We're looking for a Junior Product Engineer to support the development of AI-powered features for HAVAS data products. You'll work alongside senior engineers and product teams to build, test, and deploy backend services and API integrations. This is a hands-on role where you'll learn to build scalable applications, integrate AI and advertising APIs, and contribute to production features for Converged Activate and Match.AI. Main Responsibilities Product Engineering Support - Support the development of AI-driven features by implementing technical requirements under guidance - Build and maintain Python-based applications and APIs using FastAPI or Flask - Collaborate with senior engineers and product teams to understand and implement user-facing features AI & API Integration - Assist with integrating LLM APIs (Gemini, GPT) for use cases like audience insights and content generation - Help connect external advertising APIs (Meta, Google Ads, TikTok, Amazon Ads) - Learn and apply prompt engineering techniques to improve AI outputs Cloud Deployment & DevOps - Deploy services to cloud environments (Google Cloud Run) with support from senior team members - Participate in CI/CD processes and learn deployment best practices - Monitor application performance and troubleshoot issues Learning & Collaboration - Work closely with cross-functional teams including product managers, designers, and data scientists - Participate in code reviews and learn from senior engineers - Document your work and communicate progress effectively Education - Bachelor's degree in Computer Science, Data Science, Engineering, or related field (or equivalent practical experience) Previous Experience - 0-1 years of professional experience or strong internship/project portfolio Language Skills - Good working knowledge in English Key Competencies - Basic Python programming skills (familiarity with frameworks like FastAPI or Flask is a plus) - Understanding of APIs and how to work with them - Foundational knowledge of software development principles and data structures - Eagerness to learn about LLM technologies and AI applications - Basic familiarity with Git and version control - Problem-solving mindset and attention to detail - Strong communication skills and ability to ask questions - Comfortable working in a collaborative, multicultural team environment Nice to have: - Exposure to cloud platforms (Google Cloud, AWS, or Azure) - Any experience with AI/ML projects (coursework, personal projects, or internships) - Basic understanding of Docker or containerization concepts - Interest in advertising technology or digital marketing - Participation in coding bootcamps, hackathons, or open-source projects - Familiarity with API testing tools (Postman, curl) What You'll Learn - Production-grade Python development and API design - Working with cutting-edge LLM technologies in real business applications - Cloud deployment and DevOps practices - Advertising technology ecosystem and campaign automation - Agile product development workflows - Cross-functional collaboration in a global organization #LI-CO1 Tipo de contrato : Permanente Aquí, en el grupo Havas, nos enorgullecemos de estar comprometidos con la igualdad de oportunidades para todas las personas y de tener cero tolerancia con la discriminación. Somos un grupo con igualdad de oportunidades y damos la bienvenida a los solicitantes independientemente de su edad, sexo, raza, origen étnico, discapacidad y otros factores que no tienen relación con la capacidad de un individuo para realizar su trabajo. Debido al gran número de solicitudes recibidas, tan solo contactaremos con los candidatos/as que encajen con el perfil publicado.