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TADERA

Junior Product Engineer – Data/AI

TADERA

Junior Product Engineer supporting the development of AI-powered features for HAVAS data products. Collaborating with teams on backend services and API integrations in a hybrid setup.

Posted 4/26/2026full-timeMadrid • 🇪🇸 SpainJuniorWebsite

Tech Stack

Tools & technologies
AWSAzureCloudDockerFlaskPython

About the role

Key responsibilities & impact
  • 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
  • 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
  • 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
  • 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

Requirements

What you’ll need
  • Bachelor's degree in Computer Science, Data Science, Engineering, or related field (or equivalent practical experience)
  • 0-1 years of professional experience or strong internship/project portfolio
  • 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
  • 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)

Benefits

Comp & perks
  • Equal opportunities to all potential employees
  • Commitment to zero tolerance for discrimination

ATS Keywords

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Hard Skills & Tools
PythonFastAPIFlaskAPIsLLM technologiesAI applicationsGitDockersoftware development principlesdata structures
Soft Skills
communication skillscollaborationeagerness to learnproblem-solvingadaptabilityteamworkcuriosityquestioningdocumentationcode review