Back-end Developer – PHP

About the role

The R&D Trademarks Algo team builds and runs the trademark search engines at the heart of its platform, searching more than 200 million trademarks worldwide for phonetic, orthographic, grammatical and semantic similarities. This is a hybrid role based in Tunis, within an Agile team that owns its services end to end, including production, with no on-call duty for now.

Key responsibilities

• Design, build and run the back-end services behind the trademark search engines, from new features to production reliability.
• Develop new back-end services and features, mainly in Python.
• Maintain and evolve the existing search stack, which relies on PHP and Manticore.
• Improve the relevance, performance and scalability of similarity searches over a database of more than 200 million trademarks.
• Write quality code: tested, well structured and documented, using AI-assisted development tools while keeping full ownership of the results.
• Investigate production issues through logs and metrics and propose lasting fixes.
• Take part in code reviews, Agile rituals and technical discussions with the distributed team.

Required profile

• Engineering degree in computer science, or equivalent solid experience in production.
• 4+ years of back-end experience in production, with a proven track record on backend systems.
• Comfortable with Python and happy to work with PHP code.
• English at professional level, written and spoken, for daily work with distributed teams.
• Autonomy and rigor, analytical and investigative mindset, team spirit and collaboration, curiosity and adaptability.

Required skills

• Back-end development in Python
• PHP, to work with the existing code base
• SQL / MySQL
• Docker and Git
• AI-assisted development
• Nice to have: ElasticSearch, RabbitMQ/Redis, Kubernetes, big data, machine learning, LLMs, CI/CD, Manticore Search, Sphinx