Software Engineer, Back-end

Software Engineer, Product (Python) Join to apply for the Software Engineer, Product (Python) role at Mistral AI. About Mistral AI 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 meets enterprise needs, whether on‑premises or in the cloud. We are a dynamic, collaborative team passionate about AI and its potential to transform society, distributed across France, USA, UK, Germany and Singapore. Role Summary We are seeking passionate and skilled software engineers to join our team. In this role, you will build and develop the core platform—API & DX Console, AI Tooling, Connectors, Observability, User Admin & Billing, Partnerships—contributing to its development and enhancement. Your work will directly impact the developer experience, making it more engaging, efficient and intuitive. Responsibilities Depending on your skills and field of expertise, you will be involved in key components of our technology, including: Product Development: design, develop, and maintain scalable and robust backend features, ensuring seamless integration with front‑end systems using a modern and robust stack. System Architecture: design and implement efficient, secure, and scalable backend architectures that support our product goals. Code Quality: write clean, maintainable, and well‑documented code, and participate in code reviews to uphold our high standards of quality. Collaboration: work closely with cross‑functional teams, including product managers, front‑end engineers, and other backend engineers, to deliver high‑quality software solutions. Problem‑Solving: tackle complex technical challenges and develop scalable, fault‑tolerant, efficient solutions that improve performance and reliability. Innovation: stay up‑to‑date with the latest technologies and trends in backend development and AI, and apply them to enhance our products. Qualifications 5+ years of relevant professional work experience. Master’s degree in Computer Science, Information Technology or a related field. Proficient in Python and at least one related web framework (FastAPI, Django, Flask…) Experience with large‑scale distributed systems. Knowledge of databases, caching mechanisms and messaging systems. Strong problem‑solving abilities and attention to detail. Ownership and capacity to ship products end‑to‑end. Excellent communication skills. Low ego and team spirit mindset. Autonomous and self‑starter. Preferred Experience Frontend development (TypeScript, React, NextJS…). Infrastructure management (Docker, CI/CD, Kubernetes, Helm, Terraform…). AI/ML engineering. Hiring Process Introduction call – 45 min. Hiring Manager interview – 30 min. Live‑coding interview (Python) – 45 min. Optional: System Design interview – 45 min. Optional: Deep Dive interview – 60 min. Culture‑fit discussion – 30 min. Reference checks. Location & Remote The position is based in our Paris HQ offices. We encourage office attendance to build bonds and smooth communication. Our remote policy aims to provide flexibility, improve work‑life balance and increase productivity. Each manager can decide the number of days worked remotely based on autonomy and context (e.g., more flexibility in summer). 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. #J-18808-Ljbffr