Full-Stack Developer

# Full-Stack Developer

• Paris
• CDI
• Date de début : 01 juillet 2026
• Postuler## À propos**Adelean** develops and deploys search engines in the broad sense of the term:* e-commerce engines
• Enterprise Search engines
• Conversational engines (like Perplexity or Chat

GPT)* Dashboards for observability, monitoring and security

We develop two flagship products:* **A2** : a data integration platform and a complete, innovative e-commerce search engine, compatible with Elasticsearch, Open

Search and Apache Solr.* **all.site** : an enterprise and conversational search engine based on Gen

AI RAG *(Retrieval-Augmented Generation)* architecture, as well as a collaborative platform for sharing search engines - a true “Git

Hub for search engines”. Our team of developers, consultants, trainers and search engine experts is distributed across several locations. We have offices in **Paris (Station F)** and **Versailles**.## Descriptif du poste**// Our Offer ️**We are looking for an experienced Java

Script developer, comfortable working on both client and server sides, with a strong sensitivity to UX and UI, to strengthen our team.

You will be involved in the design and implementation of web interfaces and applications in various contexts:

• Business administration consoles for different search engines
• Development and evolution of the **all.site** and **adelean.com** websites
• Integrations with other technologies (Open

Search Dashboards, Elastic Kibana, React, Magento, Presta

Shop, etc.)

Versatile, you will work on both the front-end (graphical interfaces) and the back-end (APIs and services). You are curious, enjoy tackling new challenges, and are ready to explore new avenues such as browser extension development or mobile applications.

You will join a web team of two developers, integrated into a larger group that includes Java specialists.

We offer:

• A stimulating environment where innovation and new ideas are encouraged
• A small, close-knit, creative team made up of recognized experts
• High autonomy and real flexibility in work organization
• Access to training and technical conferences
• The opportunity to contribute to the growth of a young and dynamic company active in the innovative search engine and AI sector## Profil recherché

As part of your role, you will contribute to the design, prototyping, and development of web applications all the way to their production release. In direct contact with business teams, you will assess and challenge the feasibility of requirements. You will design a solution that is both pragmatic and efficient, working in collaboration with the Product team. Both back-end and front-end work will be on the menu, with a strong focus on design.**// Current technical environment ****Web applications*** React.js, Type

Script

• Redux Toolkit, RTK Query
• React Testing Library, Vitest
• Prime

React* Nest

JS, Node.js

• Angular (for legacy applications)
• Hugo (similar to Astro, Jekyll)**// Required skills **
• Full Stack development (Front & Back)
• Knowledge of UI/UX
• Ability to produce user documentation (APIs or interfaces)
• Experience with unit testing
• Mastery of web and mobile constraints and challenges
• Experience developing Single Page Applications
• Strong communication skills with business teams and ability to challenge requirements
• Creativity and the ability to propose ideas
• Mastery of version control tools
• Knowledge of the French language is strongly advised**// Additional assets (“Nice to have”) **
• Experience with search engines and intelligent conversational assistants (AI agents)
• Use of Kibana and Open

Search Dashboards

• Knowledge of Lucene / Solr / Elasticsearch
• Experience with the Elastic Stack (ELK)
• Strong foundations in Java
• Mastery of mockup tools (Figma, Excalidraw, Draw.io...)
• Experience with agile methods and a testing culture
• Experience with industrialization and Dev

Ops environments

• Familiarity with cloud solutions**// Why join us ️**
• Computer of your choice
• Up to 100% coverage of the Navigo IDF pass
• Participation in conferences and training
• Pleasant offices at Station F
• Remote work and flexible projects

At Adelean, we are first and foremost looking for passionate, curious, and honest people. Even if your background does not perfectly match this description, we encourage you to apply: your skills, motivation, and way of thinking are our key criteria. We value diversity of profiles, rigorous minds, and those who are not afraid to challenge the obvious.

Join us ## Process de recrutement**// Our Recruitment Process *** A questionnaire to get to know you better* A take-home technical test (Algorithms and/or Java

Script)

• An in-depth interview + feedback and discussion about the technical test
• Possibly an additional interview before making you an offer
• Integration into the Adelean team and welcome package!## Informations complémentaires
• Type de contrat : **CDI**
• Date de début : **01 juillet 2026**
• Lieu : **Paris**
• Expérience : **> 1 an*** **Télétravail partiel possible**
• Salaire : **entre 28000€ et 52000€ / an**

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