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In this role, you will collaborate closely with product engineering teams to ensure consistent code health, accelerate development velocity through well-maintained CI pipelines, faster builds, and secure release processes. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.

Mistral AI

Software Engineer, Devex

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Lead CVE response across the fleet, ship supply-chain integrity controls (SBOM, signed images, provenance), co-page with InfoSec on security incidents, enforce secure-config baselines. By joining the team you will bridge the gap between cutting-edge AI research and real-world enterprise applications, ensuring our solutions are robust, scalable, and aligned with both customer needs and Mistral's technological vision.

Applied AI Engineer, Site Reliability Engineer - Emea

A day might span discussing architecture with fellow engineers, wrangling massive-scale data, coding a custom web app, speaking with customer executives, or establishing a strategy for the Applied Engineering team. You'll work in collaboration with our researchers, other AI engineers, and product engineers on our most complex customer projects involving deployment, scaling, and contributing to our open-source codebases for tasks such as inference and fine-tuning.

Applied AI Engineer, ML Infrastructure Engineer / Devops - Emea

Tackle iconic use cases that no existing solution on the market can address - from custom configuration of cybersecurity harnesses for cloud defense, to optimizing agentic vulnerability scanning solutions, to customizing agentic red-teaming solutions or penetration testing scenarios. As a Forward Deployed Engineer at Mistral, you may also work on use cases outside cybersecurity, bringing the same context engineering, orchestration, and eval work to enterprise workflows in finance, manufacturing, defense, or the public sector.

Applied AI, Forward Deployed Engineer - Cybersecurity (Europe)

Design, build, test and document automated workflows, mainly with Mistral's own models, agents and APIs, with human review wherever decisions affect people, monitor live automations with alerting, error handling, logging and runbooks, and prototype AI use cases on people processes, productionising the ones that prove their worth. Implement configuration changes across the HR tech stack (workflows, fields, roles and permissions, new countries and entities), support testing and rollout of system changes and integrations, and act as first-line troubleshooter for the People team, leading issue resolution through to production with a clear audit trail.

People Systems - Tech & Analytics Engineer

We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms. You lead the design and delivery of production-grade AI systems in rapid cycles, building the iconic use case for multiple department (eg: GTM, HR, Engineering, Finance, ect) in your portfolio.

Applied AI Engineer, AI For Mistral

You'll be the first senior engineer focused on these topics, building on work currently spread across the team and turning it into a clear, reliable, high-leverage platform that helps everyone ship faster and safer. At Joko, we have firsthand experience that teams with engineers who possess a diverse range of skills, and where engineering and product collaborate closely, are able to deliver a truly delightful and innovative user experience.

Joko

Platform Software Engineer (Senior/Staff Level)

You will join our Research Software Engineering team to build and maintain shared dev-tools, evaluation & data pipelines, training framework, cluster tooling and CI/CD. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.

Research Software Engineer

We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks.

Site Reliability Engineer

Working hand-in-hand with Research Scientists, you'll either join: Platform RE Team: Enhance the shared training framework, data pipelines and cluster tooling used by every team; or. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.

Research Engineer, Machine Learning

Research Engineer - Eval Platform

Research Engineer, Forge

Lead complex interventions - vendor-level and multi-node operations in production: full rack builds and bring-up, GPU-dense platform deployment (H100/H200-class and next-gen, including liquid-cooled racks), intricate recabling, post-restart diagnosis. As a Senior Data Center Hardware Engineer, you own the interventions that require the highest level of technical expertise: multi-node failures in production, full-rack deployments of GPU-dense systems, and vendor escalations where you speak as the technical authority for our sites.

Senior Data Center Hardware Engineer

You'll join a small, senior team working at a scale few engineers get to experience: GPU-dense racks (H100/H200-class and next-generation platforms), high-speed interconnects, liquid-cooled systems - with new sites under development in France and beyond. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.

Data Center Hardware Engineer

Design and execute a comprehensive security tooling strategy, managing solutions for cloud-native application protection, cloud security posture, static code analysis, dependency scanning, secrets management, and vulnerability tracking. Security is not a gate but an enabler, and you will embed robust controls into our continuous integration and deployment pipelines, infrastructure environments, and developer workflows to protect our systems without sacrificing velocity.

Cybersecurity, Platform Security Engineer

As a Research Engineer on the Latency & Throughput team, you will push the frontier of LLM inference by researching and prototyping techniques that reduce latency and increase throughput - from speculative decoding and quantization to KV compression and new attention variants. Some techniques you explore will be lossy or require integration into training - retraining models, tuning architectures, or training auxiliary models to improve inference.

Research Engineer, Latency & Throughput

We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms. Our team develops the backend infrastructure and APIs that enable Studio, Vibe, and Vibe Code, shaping how millions of users and developers interact with our technology.

Software Engineer, Backend

As a Software Engineer, Network Automation - WAN & Edge, you will design, automate, and operate resilient connectivity between data centers, cloud environments, external networks, and the internet. Deep, hands-on WAN and edge networking experience across internet connectivity, data-center interconnect, private WAN, or cloud networking.

Software Engineer Network Automation, WAN & Edge

Your work will span the platform's core: the library, tooling, abstractions and rollout engine - including new capabilities like long-running tasks, subagents and RL features - and the machinery that runs data and jobs at scale, with a focus on resiliency, routing and request handling. Orchestral is the system our researchers rely on to run training and evaluation at scale - from the rollout engine that powers agentic workflows to the infrastructure that keeps their workloads running reliably.

Research Engineer, Orchestral

Your focus is the secure operation of off-chain trading processes and infrastructure that empowers our institutional business: integrations, signing flows, key custody interfaces, middle-office workflows, order routing and settle pipelines that handle significant capital. You will translate complex technical gaps into actionable business risk summaries, drive vendor evaluations for core security infrastructure, and manage the project lifecycle for high-impact posture uplifts.

Tooling Engineer Jobs in Paris, TX

Software Engineer, Devex Mistral AI

Applied AI Engineer, Site Reliability Engineer - Emea Mistral AI

Applied AI Engineer, ML Infrastructure Engineer / Devops - Emea Mistral AI

Applied AI, Forward Deployed Engineer - Cybersecurity (Europe) Mistral AI

People Systems - Tech & Analytics Engineer Mistral AI

Applied AI Engineer, AI For Mistral Mistral AI

Platform Software Engineer (Senior/Staff Level) Joko

Research Software Engineer Mistral AI

Site Reliability Engineer Mistral AI

Research Engineer, Machine Learning Mistral AI

Research Engineer - Eval Platform Mistral AI

Research Engineer, Forge Mistral AI

Senior Data Center Hardware Engineer Mistral AI

Data Center Hardware Engineer Mistral AI

Cybersecurity, Platform Security Engineer Mistral AI

Research Engineer, Latency & Throughput Mistral AI

Software Engineer, Backend Mistral AI

Software Engineer Network Automation, WAN & Edge Mistral AI

Research Engineer, Orchestral Mistral AI

Security Engineer, Institutional Trading Blockchain.com, Inc.

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