2,154,291open jobs
138,636companies
240,301added this week
Browse all
Location
In office (Tunis)
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Nov 10, 2026. Questel scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Questel is an intellectual property services and software company headquartered in Paris that supports patent and trademark owners across the full IP lifecycle. Founded in 1978, it offers patent and trademark search databases, IP management software, patent annuity and renewal services, and filing and translation services, and it operates offices in Valbonne, Montpellier, Brussels, Ljubljana, Tunis, Alexandria in Virginia, Tokyo, Taipei, Tianjin and Arequipa. It hires translation coordinators and linguists, patent and trademark paralegals, software engineers, customer success and support staff, business development representatives and finance analysts.
Backed by Eurazeo

About the team and the project

Join the R&D Trademarks Algo team, which builds and runs the trademark search engines at the heart of our platform, and help shape their next generation.

Our engines search more than 200 million trademarks worldwide and handle multiple kinds of similarity: phonetic, orthographic, grammatical and semantic. Our team is distributed across several locations. We work in an Agile way and own our services end to end, including production, with no on-call duty for now.

As a senior member of the team, you work directly with the Engineering Manager on key decisions and on the transformation of our architecture. This is a hybrid role based in Tunis.

Your missions

- You are a technical reference for the team and a trusted partner of the Engineering

- Manager on the evolution of our trademark search engines.

- Lead the transformation of our architecture to make it more maintainable and more performant.

- Improve the relevance, performance and scalability of similarity searches over a database of more than 200 million trademarks.

- Maintain and evolve the existing search stack, which relies on PHP and Manticore,while moving new developments to Python and Go.

- Assess and gradually introduce new technologies, such as Elasticsearch, Kubernetes,big data, machine learning and LLMs.

- Set the standard for quality code: tested, well structured and documented, and help the team reach it through code reviews.

- Use AI-assisted development tools to work faster and better, while keeping full ownership of the result.

- Investigate complex production issues by digging into logs and metrics, and propose lasting fixes.

- Take part in Agile rituals and technical discussions with the distributed team.

Profile and key skills

We are looking for a senior back-end developer who has already led technical decisions and architecture changes, and who will be comfortable with Python and happy to work with PHP code.

Education and experience

Engineering degree in computer science, or equivalent solid experience in production.

8+ years of back-end experience in production, including the design or evolution of the architecture of a large-scale system.

Proven experience in mentoring developers and providing technical leadership within a team.

Technical skills

- Back-end development in Python and Go, or willing to learn.

- PHP, as we will keep working with the existing code base.

- Docker and CI/CD knowledge.

- AI-assisted development.

- You produce quality code that is tested, well structured and documented.

Languages

English: professional level (written and spoken), for daily work with distributed teams.

Soft skills

Autonomy and rigor: you propose optimizations to our architecture to improve maintainability and performance, and carry topics from start to finish.

Analytical and investigative mindset: you enjoy digging into logs and metrics to solve problems.

Team spirit and collaboration: you don't stay in your corner, you share your successes and difficulties, and you embrace a blameless mentality.

Curiosity and adaptability: you like learning new things, you are not afraid of new languages, and you can read and understand code written by other developers.

Communication and influence: you can explain technical choices clearly and help the team and the Engineering Manager reach good decisions.

What will set you apart

For where we are heading

- Go

- ElasticSearch

- RabbitMQ/Redis

- Kubernetes

- Big data

- Machine learning

- LLMs

To understand our existing stack

- Manticore Search

- Sphinx

Why join us

Be a key player in bringing innovation back to the center of the product.

Work on the architectural core of the solution, with real impact on how users search trademarks.

Join a committed team that wants to deliver the best for our users.

Tackle large-scale challenges: more than 200 million trademarks and several types of similarity search.

Work in a distributed, international team in a collaborative, blameless culture.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,154,291 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Similar stack
Same company
Tunis
In office · Full-Time · Bachelor's Degree · Tunis
Python
Go
PHP
SQL
Databases
MySQL
Redis
RabbitMQ
ElasticSearch
AI/ML
Machine Learning
DevOps
CI/CD
Git
Docker
Kubernetes
Management
Agile
Apply
In office · Full-Time · Bachelor's Degree · Tunis
Python
Go
PHP
SQL
Databases
MySQL
Redis
RabbitMQ
ElasticSearch
AI/ML
Machine Learning
DevOps
CI/CD
Git
Docker
Kubernetes
Management
Agile
Apply
Hybrid · Internship · Tunis
Apply
Fullstack Developer 3 hours ago
$16k per year · In office · Full-Time · La Libertad
JavaScript
TypeScript
SQL
Node JS
Databases
PostgreSQL
AI/ML
Claude
Frontend
Next.js
React.js
DevOps
Git
MedTech
CAPA
Apply
$9.6k – $11k per year · In office · Full-Time · San Salvador
Python
SQL
AI/ML
Copilot Studio
DevOps
Azure
Management
Power Automate
Apply
In office · Contractor · Dubai · Port Louis · Beirut · Marrakesh · Tunis
Apply
In office · Full-Time · 3+ years exp · Tunis
Python
Python
FastAPI
AI/ML
LangGraph
LangChain
LlamaIndex
Prompt Engineering
Function Calling
LLM
RAG
OpenAI
DevOps
Azure
CI/CD
Git
Docker
Apply
In office · 1+ year exp · High School Diploma · Tunis
Apply
In office · Full-Time · Lubumbashi · Marrakesh · Casablanca · Tunis · Algiers
Apply
See all jobs
This is one of many
2,154,291 more open roles from verified company boards, updated every day.