Software Engineer, Enterprise Systems

**About Mistral**At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life.We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments. Our offerings include le Chat, the AI assistant for life and work.We are a dynamic, collaborative team passionate about AI and its potential to transform society.Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited.Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on .**Role summary**We are seeking a **Lead****Software Engineer, Enterprise Systems** to **design, build, and lead** the internal systems that power Mistral’s growth. This is a highly impactful role at the intersection of engineering, finance, data, and operations.As our **first hire** in Enterprise Systems, you will **ship hands-on** (Node/TypeScript + React or Python/FastAPI) while **setting the technical direction**, partnering with C-level stakeholders, and **growing the team** over time. You’ll turn complex workflows into scalable software: integrations, connectors, and dashboards that make information flow across Mistral.**What you will do**• **Own the platform from zero**: design and implement integrations, connectors, and workflows across internal systems (CRM, billing, HRIS, planning tools).• **Lead the technical direction**: define architecture, standards, and best practices for reliability, maintainability, and data consistency.• **Stay hands-on** : build end-to-end web apps with a pragmatic approach to delivery and iteration.• **Stakeholder leadership**: partner directly with CFO, CTO and team leads to gather requirements, prioritize, and translate business needs into software.• **Enable the org**: deliver sleek, self-service tooling and dashboards that reduce manual work and accelerate decision-making across teams.• **Lay the foundations to scale**: help shape the hiring plan, mentor future teammates, and evolve into the **team’s Tech Lead** as we grow.**About you**• **Full-stack engineer** with strong experience in **TypeScript/Node + React** or **Python (FastAPI) + React/TS**; comfortable building web apps end-to-end.• Track record shipping **internal systems** (APIs, integrations, connectors, dashboards) in enterprise-like environments (banking/insurance/industry/consulting).• **Hands-on** and technically strong, with excellent judgment around trade-offs, maintainability, and operational reliability.• **Leadership mindset**: you’ve led initiatives or mentored engineers (formal or informal) and enjoy setting standards for others.• Strong communication and stakeholder management; you like turning ambiguous problems into a clear plan and shipped software.• Low-ego, team-spirited, autonomous; motivated by enabling others and improving how an organization operates.**Nice to have**• Experience with **LLMs / agentic workflows**.• Exposure to market-leading SaaS business systems (Salesforce, Atlassian, Oracle, etc.).• Familiarity with infra & operations (Docker, CI/CD, K8s…).• Comfortable working closely with internal stakeholders, including C-levels.**Hiring Process**• Introduction call - 30 min• Hiring Manager interview - 30 min• Technical Rounds- Live Coding Interview (TypeScript or Python) - 45 min- System Design Interview - 45 min- *Optional:* Project Deep Dive - 60 min• Culture-fit discussion - 30 min• ReferencesLocation & RemoteThe position is based in our Paris HQ offices and we encourage going to the office as much as we can (at least 3 days per week) to create bonds and smooth communication. Our remote policy aims to provide flexibility, improve work-life balance and increase productivity. Each manager can decide the amount of days worked remotely based on autonomy and a specific context (e.g. more flexibility can occur during summer). In any case, employees are expected to maintain regular communication with their teams and be available during core working hours.What we offer Competitive salary and equity package Health insurance Transportation allowance Sport allowance Meal vouchers Private pension plan Generous parental leave policy
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