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Questel

Back-end Developer, Python

Questel

. Design, build and run the back-end services behind trademark search engines, from new features to production reliability .

Posted 11/10/2026full-timeTunis • TunisiaMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in back-end development with a strong focus on Python and PHP, ensuring high-quality, well-structured, and documented code. Proficient in optimizing performance and scalability of search systems while utilizing AI-assisted development tools.

Highest-signal resume keywords
Back-End Development In PythonPHP ExperienceSQL / MySQLDockerGit

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Back-End DevelopmentPythonPHPSQLMySQLDockerGitAI-Assisted DevelopmentCode QualityProduction Reliability
Soft Skills
Problem SolvingCollaborationCommunication
Tools & Technologies
ManticoreElasticsearchRabbitMQRedisKubernetesBig DataMachine LearningLLMsCI/CD
Certifications & Qualifications
Engineering Degree In Computer Science
Industry Keywords
Trademark SearchAgileCode ReviewsArchitectural Optimizations

Tech Stack

Tools & technologies
DockerElasticSearchKubernetesMySQLPHPPythonRabbitMQRedisSQLGo

About the role

Key responsibilities & impact
  • Design, build and run the back-end services behind 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 that is tested, well structured and documented
  • Use AI-assisted development tools while retaining full ownership of the result
  • Investigate production issues by analyzing logs and metrics and propose lasting fixes
  • Participate in code reviews, Agile rituals and technical discussions with the distributed team
  • Propose architectural optimizations to improve maintainability and performance and carry topics from start to finish

Requirements

What you’ll need
  • Confirmed back-end developer comfortable with Python and willing to work with PHP code
  • 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 back-end systems
  • Back-end development in Python
  • PHP experience
  • SQL / MySQL
  • Docker and Git
  • AI-assisted development
  • Ability to produce quality code that is tested, well structured and documented
  • Professional-level English, written and spoken
  • Go, Elasticsearch, RabbitMQ/Redis, Kubernetes, big data, machine learning, LLMs, or CI/CD experience would be advantageous
  • Manticore Search and Sphinx knowledge would be advantageous

Benefits

Comp & perks
  • Work in a hybrid role based in Tunis
  • Work in a distributed, international team in a collaborative, blameless culture
  • Learn and grow with a stack that mixes the existing code base and new technologies
  • Real impact on how users search trademarks
  • No on-call duty for now