Perion is a global advertising technology company delivering solutions to the biggest brands and publishers around the globe across search, social media and display, video, CTV, and programmatic DOOH. Home to an award-winning technology solution –– with our unique data-driven AI/ML based technologies, we deliver and optimize hundreds of terabytes of data and billions of events per day. We’re working with dozens of sources to provide a superior experience across screens and platforms, including mobile, video, social and native. Perion Algos is a technology-driven team within the Perion Networks group, focused on building high-performance advertising algorithms and systems. We blend robust backend data processing with sleek frontend interfaces to make complex data easily actionable for our users. We're on the lookout for a Fullstack Developer who leans more toward the frontend side of things — someone who loves crafting beautiful, responsive UIs but is also comfortable diving into Python-based backends. What You’ll Do Develop and maintain modern web interfaces using React + TypeScript Build and integrate backend services in Python Collaborate with product, and data teams to deliver seamless user experiences Contribute to architectural and UI/UX discussions Help shape our developer experience and coding standards What We’re Looking For Must-haves: Solid experience in React (with TypeScript) Comfortable with backend work in Python Familiar with REST APIs and frontend/backend integration Strong communication skills and a collaborative mindset High adaptability Nice-to-haves: Experience with SQLAlchemy and Pydantic Familiarity with Airflow and data workflows An eye for UI/UX or experience working closely with designers Experience in ad tech Perks & Benefits Top-tier health insurance with Alan Generous vacation policy and flexibility Remote-friendly culture, as well as permanent offices in Paris or Montpellier A small, agile team with high impact and autonomy