Join the team.
30 experts in Paris, Nice and Sophia-Antipolis (Villeneuve-Loubet). AI and data, mobile, web and IoT development, UX/UI design, quality engineering, project management. Permanent contract, 40h, on-site, in-depth technical assessments.
- Location
- Paris · Nice - Villeneuve-Loubet · Sophia-Antipolis
- Terms
- Permanent · 40h · On-site
- Tests
- In-depth technical
- Top schools
- 80% of headcount
- PROFILES
- Senior and experienced professionals
Happy at the desk,
more rigorous in the work.
At Naxan Group (Kosmos), our conviction rests on the fulfilment of our people, believing that happy people are also high-performing ones. Our company culture is founded on the principles of respect, collaboration and mutual support, bringing out everyone's potential within teams where every member is truly valued. We cultivate a stimulating work environment that fosters our teams' personal development and professional development.
- LocationSophia-Antipolis · Europe's 1st technology park
- Setting5 min from the station, the Vaugrenier park and the sea
- FormatOn-site · team workshops · pair programming
- Growth30 experts · active hiring in 2026
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15 current openings.
In-depth technical assessments. Confirmed profiles only.
- 01
Generative AI & AI Agents Engineer
To support the growth of our business, we are strengthening our established Generative AI & AI Agents team and are recruiting 2 additional engineers. A minimum of 5 years' experience in software engineering, including significant experience developing solutions based on LLMs, RAG, AI agents and automation, is essential. Excellent command of Python and of ecosystems such as OpenAI, Anthropic Claude, Gemini, Mistral AI, LangChain, LangGraph, vector databases and APIs is expected.
Alongside our existing teams, you will work on the design and industrialisation of business assistants, autonomous agents, multi-agent systems, RAG solutions, document automation and integrations with our clients' CRMs, ERPs and information systems. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about applied artificial intelligence, want to turn prototypes into solutions that are genuinely used in production, and want to grow within an experienced team on high-value projects, we encourage you to join us.Apply - 02
Senior Data Engineer
As part of the development of our Data business, we are strengthening our existing team of Data Engineers and are recruiting 2 additional senior engineers. A minimum of 5 years' experience in Data Engineering is essential, with proven expertise in Data Warehouse and Lakehouse architectures, batch and real-time pipelines, ETL / ELT, multi-source ingestion and data governance.
In collaboration with our existing Data teams, you will work in particular on Snowflake, BigQuery, Databricks, PostgreSQL, dbt, Apache Airflow, Kafka, Spark, Airbyte and Fivetran environments, as well as on the main cloud platforms: AWS, Google Cloud and Microsoft Azure. You must be able to design reliable, scalable and observable architectures serving both BI and artificial intelligence systems. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
Above all, we are looking for people who can understand the business challenges behind the data and help, alongside our teams, turn fragmented environments into robust, governed and usable Data platforms.Apply - 03
Data Scientist / Machine Learning Engineer
To support the growth of the projects entrusted to our Data Science & Machine Learning practice, we are strengthening the existing team by recruiting a new experienced team member. A minimum of 5 years' experience in applied Data Science or Machine Learning is essential, along with excellent command of Python, scikit-learn, XGBoost, LightGBM, TensorFlow or PyTorch.
Alongside our Data Scientists and engineers, you will develop forecasting, scoring, anomaly detection, predictive maintenance, dynamic pricing and segmentation solutions, as well as constrained optimisation and planning systems. Skills in operations research and in tools such as OR-Tools, Gurobi or CPLEX are a real advantage. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
We are looking for someone able to go beyond pure modelling and help link algorithmic performance to measurable business gains for our clients.Apply - 04
MLOps / ML Platform Engineer
To support the growing industrialisation of our artificial intelligence projects, we are strengthening our existing MLOps and Cloud team and recruiting an additional MLOps / ML Platform Engineer. A minimum of 5 years' experience in DevOps, Cloud or Machine Learning Engineering, including significant experience with ML environments in production, is essential.
Alongside our engineers, you will work on model CI/CD and deployment, the model registry, monitoring, observability, drift detection, retraining, the scalability of inference infrastructure and cost optimisation. Proficiency in Docker, Kubernetes, MLflow, Kubeflow, Terraform, GitHub Actions or GitLab CI/CD, as well as Vertex AI, SageMaker or Azure Machine Learning, is expected. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
Your mission will be to help take our models from prototype to reliable, observable and secure systems capable of running in production over the long term.Apply - 05
Computer Vision Engineer
To support the growth of the projects entrusted to our Computer Vision practice, we are strengthening our existing team by recruiting an additional experienced engineer. A minimum of 5 years' experience in Machine Learning or Computer Vision is essential, along with an excellent command of Python, PyTorch or TensorFlow, as well as OpenCV and the main modern vision architectures.
Working with our AI teams, you will tackle challenges in detection and counting, quality control, advanced OCR, classification, segmentation, video tracking, recognition and Edge AI. Experience with YOLO, Hugging Face Transformers, Segment Anything, Detectron2, PaddleOCR, ONNX Runtime, TensorRT or OpenVINO is a significant advantage. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
We are looking for someone able to contribute as much to model design as to building datasets, annotating them, evaluating performance and industrialising solutions under real-world operating conditions.Apply - 06
BI & Data Visualisation Consultant
As part of the growth of our Data & Business Intelligence activities, we are strengthening our established team of consultants and engineers by recruiting an additional BI & Data Visualisation Consultant. A minimum of 5 years' experience in Business Intelligence, Analytics or Data Visualisation is essential.
Alongside our existing teams, you will work on defining KPIs, data modelling, dashboard design, reporting automation and the deployment of self-service BI solutions. Proven proficiency in Power BI, Looker, Tableau, Metabase or Apache Superset, as well as a good understanding of SQL, BigQuery, Snowflake or Databricks, is expected. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
Beyond mastery of the tools, we are looking for someone able to quickly grasp the challenges facing executive, finance, sales or operations management and to translate complex data into simple, actionable decisions.Apply - 07
AI, Data & Automation Consultant
To support the growth of our AI Audit, Consulting and Strategy engagements, we are strengthening our established team of AI, Data & Automation consultants and are recruiting 2 additional experienced consultants. A minimum of 5 years' experience in technology consulting, digital transformation, Data or artificial intelligence is essential, together with a solid understanding of software engineering and information systems.
Within our consulting team and in collaboration with our technical practices, you will support SMEs, mid-sized companies and large enterprises in identifying and prioritising AI use cases, analysing their processes, assessing their Data & AI maturity, estimating feasibility and ROI, building roadmaps and defining target architectures. You must be able to engage with executives and business units as well as with CTOs, CIOs, Data Engineers and AI Engineers. Our recruitment process includes in-depth technical tests and case studies (experienced candidates only).
We are looking for consultants who can help turn a business challenge into a concrete, costed and executable technology strategy, while remaining independent of software vendors and technologies.Apply - 08
AI & Data Architect / Lead AI Engineer
As part of strengthening our technical organisation, we are recruiting a senior AI & Data Architect / Lead AI Engineer to complement and reinforce our existing AI, Data, Machine Learning and Cloud teams. A minimum of 8 years' experience in software engineering, Data or Machine Learning, including several years on AI architectures in production, is essential.
You will work alongside our engineers and consultants on our most strategic projects to define and validate the architectures of our AI Agents, generative AI, Data Engineering, Machine Learning, Computer Vision and MLOps solutions. You will take part in technical scoping, audits, model and provider selection, Cloud decisions, and security, performance, scalability and cost control challenges. You will also review architectures and support our engineers on the most complex technical challenges. Our recruitment process includes particularly demanding technical tests and architecture interviews (experienced candidates only).
We are looking for someone who is both extremely technical and able to engage with our clients' management, defend architectural trade-offs and help maintain high technical standards within already experienced teams.Apply - 09
IT Consultant
We are recruiting 2 passionate and seasoned IT consultants to strengthen our Audit and Consulting teams. A minimum of 5 years' experience in software engineering, with a specialisation in web and mobile development, is essential. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about software engineering, have solid expertise in web and mobile development consulting and want to be part of a dynamic team shaping the future of IT, we encourage you to apply and contribute to our shared success and that of our clients. Join us to bring innovative solutions to life and grow professionally within a company that values your talent.Apply - 10
Mobile Developer
We are recruiting 3 experienced Mobile Developers to strengthen our teams and turn innovative ideas into high-performance applications while ensuring the excellence of our products. Proficiency in mobile languages/frameworks (Flutter and/or Swift and/or Kotlin) and at least 5 years of in-depth expertise in application development are expected. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about mobile development (iOS / Android), have solid expertise in mobile application development and want to be part of a dynamic team shaping the future of IT, we encourage you to apply and contribute to our shared success and that of our clients. Join us to bring innovative solutions to life and grow professionally within a company that values your talent.Apply - 11
IT Project Manager
We are recruiting an IT Project Manager to strengthen our current project management team (mobile and web). As an IT Project Manager, you will lead the delivery of innovative projects (agile methodology or V-model). At least 5 years of expertise in project management, together with excellent communication, writing and presentation skills, as well as an outstanding ability to lead IT teams, are expected. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about project management for mobile (iOS / Android) and web (platforms, SaaS, desktop software) development, have solid expertise in project management in this field and want to be part of a dynamic team shaping the future of IT, we encourage you to apply and contribute to our shared success and that of our clients. Join us to bring innovative solutions to life and grow professionally within a company that values your talent.Apply - 12
UX/UI Designer
We are recruiting a UX/UI Designer to strengthen our current UX/UI team. At least 4 years of expertise in user-centred design, along with complete mastery of graphic design tools to bring intuitive and aesthetically pleasing interfaces to life, are required. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about UX/UI for mobile and web solutions, have solid expertise in this field and want to be part of a dynamic team shaping the future of IT, we encourage you to apply and contribute to our shared success and that of our clients. Join us to bring innovative solutions to life and grow professionally within a company that values your talent.Apply - 13
IT Quality Engineer
We are recruiting an IT Quality Engineer to strengthen our QA team (mobile and web) and guarantee the excellence of our products. A minimum of 4 years of expertise in software testing, validation and quality assurance is required. Join us to ensure our clients' satisfaction by maintaining and upholding our high quality standards and norms. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about testing products such as mobile applications (iOS / Android) and web solutions (platforms, SaaS, desktop software), have solid expertise as a QA professional in this field and want to be part of a dynamic team shaping the future of IT, we encourage you to apply and contribute to our shared success and that of our clients. Join us to bring innovative solutions to life and grow professionally within a company that values your talent.Apply - 14
Web Developer
We are recruiting 2 passionate Fullstack Web Developers to create innovative web solutions (web applications). Complete mastery of front-end and back-end languages is essential (such as Flutter web, React.js, Vue.js, PHP, Python, Node.js, etc.). Join us to contribute to the development of exciting web application projects (platforms, SaaS, desktop software). A minimum of 5 years of expertise is required. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about web development (platforms, SaaS, desktop software), have solid expertise in development in this field and want to be part of a dynamic team shaping the future of IT, we encourage you to apply and contribute to our shared success and that of our clients. Join us to bring innovative solutions to life and grow professionally within a company that values your talent.Apply - 15
IoT Developer
We are recruiting an IoT Developer, working on both the application and server side, to build connected solutions (Internet of Things). Complete mastery of embedded programming and IoT connectivity is expected. A minimum of 3 years of expertise is required. Our recruitment process includes in-depth technical tests and pre-employment assessments (experienced candidates only).
If you are passionate about developing connected solutions (Internet of Things), have solid expertise in development in this field and want to be part of a dynamic team shaping the future of IT, we encourage you to apply and contribute to our shared success and that of our clients. Join us to bring innovative solutions to life and grow professionally within a company that values your talent.Apply