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Builds end-to-end features for Octime's SaaS workforce performance management platform from its Sèvres, France office: Kotlin back-end and React/TypeScript front-end, plus automated testing (JUnit 5, Kotest, Testcontainers, Vitest), SQL/render performance tuning, and agile collaboration with product, design, and QA.
Backend engineer on Inria's Software Heritage team, a FOSS project archiving the world's publicly available source code. Day-to-day: optimizing the Git ingestion platform, extending archiving to new sources, and building new features. Core stack: Python, PostgreSQL, GNU/Linux, Docker/Kubernetes, distributed architectures. 12-month contract starting January 2027.
Backend .NET developer on Weda's NOVA team, building the successor to France's most-used patient-record software for GPs: designing robust, tested .NET APIs and apps, contributing AI bricks (vectorization, semantic search), and improving delivery via CI/CD on Azure DevOps. Stack: .NET 10, Aspire, Redis, SQL/NoSQL; Angular is a plus.
An apprenticeship (starting September 2026) at Technip Energies in Nanterre for a Python developer: designing programs from specifications, writing and running unit tests, fixing errors, and supporting post-production, with Azure cloud experience preferred.
Senior backend developer at INOV in Paris who designs and builds new features for web applications using JavaScript and Node.js, maintains and improves existing apps, and ensures code quality, security, and performance through testing, code reviews, and documentation within an Agile team.
Senior Java developer in Euronext Corporate Solutions' Paris software team, designing, building, and maintaining applications (Spring Boot microservices on AWS), conducting code reviews, resolving client issues to SLA, and working in Agile Scrum. Stack: Java/Spring Boot, AWS, Docker/Kubernetes, with React/Angular, Node.js, PostgreSQL as pluses.
Backend engineer in TotalEnergies' Trading & Shipping division, designing, developing and industrializing algorithmic trading solutions used by traders across European markets. Day-to-day work spans Python/C# development, AWS cloud deployment, and ensuring production-grade real-time data flows.
Webnet SAS, a French IT services company, is hiring a JavaScript/TypeScript developer in Paris to work on both frontend and backend projects. Day-to-day involves building with Angular, React or Vue and modern tooling like SASS, Webpack and Vite (Tailwind/Bootstrap is a plus).
Senior front-end developer at Free (Groupe iliad) in Paris, joining an 8-person team (Paris/Montpellier) to modernize and evolve the web interfaces used by Free's subscribers, with remote work possible. Core stack: React, TypeScript, Tailwind CSS, with Python/FastAPI on the backend.
Mobile developer at a client of staffing firm Temporis, building and maintaining Android and iOS apps primarily in Flutter. Day to day: designing features, integrating REST APIs, Firebase and Git, and publishing to Google Play and the App Store with a focus on user experience.
DevOps engineer at consulting firm Astek, embedded in an existing agile squad serving a major retail client in the Lille region. Day to day: automating CI/CD pipelines (GitLab CI), managing GCP environments, infrastructure as code with Terraform, Docker/Kubernetes, and observability with Prometheus, Grafana and ELK. Requires 5+ years in a similar role.
Data Infrastructure Engineer at Mistral AI, building and operating exabyte-scale data lakes, storage, and multi-cluster compute orchestration (Kubernetes/SLURM) that power frontier model training and fine-tuning. Work spans Python, columnar storage formats, metadata/lineage systems, and on-call for critical training jobs.
Senior Data Analytics Engineer at consulting group Talan, building Microsoft Fabric and Azure analytics platforms for client projects: semantic models, Gold-layer star schemas, dbt/Spark/Data Factory pipelines, DAX/SQL performance tuning, CI/CD, plus production ownership and knowledge sharing.
Data Platform Engineer at Leetchi (part of the Donora group, merged with iRaiser) in Paris: design, build, and run a unified data platform, migrating and standardizing pipelines to a modern stack (Snowflake, dbt Core, Airflow) with a focus on data security and governance. Key autonomous role collaborating with teams in France and Europe.
Data Engineer with a French IT-infrastructure consulting firm (ESN), working on data projects for a major transport-sector client in Saint-Denis (IDF): build and optimize large-scale pipelines (batch, streaming, API), implement a Bronze/Silver/Gold medallion Lakehouse on AWS using Spark, DBT and Iceberg, orchestrate with Airflow and provision with Terraform.
Senior ClickHouse/data engineer contract (€460–520/day) with a telecom leader split between Paris and Montpellier: own and optimize a ClickHouse platform ingesting CDR session data via Kafka with Grafana/Superset dashboards, drive an architectural transformation, and mentor internal engineers.
Technical lead who designs and industrializes a knowledge base (knowledge graphs, ontologies, vector/semantic search) powering AI agents that assist software development teams across the SDLC; builds governed data pipelines and production data services while guiding architecture and upskilling teams.
Data Engineer at Keyrus, a data & AI consulting group: designs and industrializes robust data pipelines and modern cloud data platforms (Snowflake, BigQuery, Databricks, Spark, Airflow/dbt), preparing governed data for BI and generative/agentic AI (RAG, vector databases). Hybrid role in Bordeaux or Nantes.
Senior data engineer at Genesis AI in Paris building and owning petabyte-scale data infrastructure — data models, storage, ingestion, and orchestration — that powers robotics foundation model training and evaluation, standardizing pipelines across teleoperation and synthetic datasets. Core stack: Python, Go, Spark, Kafka, and data lakes.
10-month freelance AI & Data Engineer mission in Paris (2–3 days remote/week) placed by recruiter Hanson Regan. The engineer builds ML/DL solutions with TensorFlow, PyTorch and Python ML libraries, plus MLOps work: MLflow, Git, CI/CD, Docker/Kubernetes and Terraform cloud provisioning. French C2 required.
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