Software Engineer, Backend (Warsaw)
Warsaw • Full-time
Posted 2mo ago
Job Location
Warsaw
Tech Stack
Remote Work Policy
On-site
Employment Type
Full-time
Categories
Applied AI Engineer
About the job
Mistral AI is seeking passionate and skilled software engineers to join our Warsaw-based Context Engine team. You will be instrumental in building and enhancing Mistral's agent harness, which is crucial for delivering production-grade knowledge processing and directly influences how users interact with our AI platform. The role involves developing reliable, high-performance backend systems and APIs that serve millions of users and developers, ultimately making the user and developer experience more engaging, efficient, and intuitive. We are looking for engineers at mid to senior staff levels who are eager to learn, collaborate, and ship impactful products.
Responsibilities
- Design, develop, and maintain scalable, robust backend features and APIs using modern frameworks.
- Ensure high performance and reliability across distributed systems.
- Design and implement efficient, secure, and scalable architectures for fast-growing products.
- Collaborate with infrastructure teams on deployment, monitoring, and performance optimization.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and contribute to technical standards and best practices.
- Work closely with product managers, front-end engineers, designers, and data/AI engineers to deliver end-to-end features.
- Partner with various teams, including the harness SDK, enterprise connectors, and search infrastructure, to enhance the agent harness for navigating complex enterprise knowledge graphs.
- Tackle complex engineering challenges, including distributed systems and AI product integration.
- Stay updated with new technologies like AI/LLM integration, observability, or backend frameworks and apply them when relevant.
Requirements
- Degree in Computer Science, Software Engineering, or equivalent practical experience.
- Proficiency in Python or another backend language (JavaScript/TypeScript, C#, Golang).
- Strong understanding of backend fundamentals: APIs, databases, caching, messaging systems, and distributed architectures.
- Strong problem-solving abilities and attention to detail.
- Ownership mindset capable of shipping end-to-end features with minimal oversight.
- Excellent communication skills and collaborative attitude.
- Team-oriented, low-ego mindset and curiosity for learning.