This is a Wrocław-based hybrid opportunity – 3 days in the office per week.As a Backend Developer, you will be working for our client – a global leader in quantitative and systematic investment management. You will be responsible for designing, developing, and maintaining scalable full-stack applications that support AI-driven research and financial technology solutions.Your main responsibilities: Design, develop, and maintain scalable full-stack applications. Integrate machine learning (ML) and large language model (LLM) technologies. Build high-performance APIs and data processing pipelines. Develop and optimize cloud-based and on-premises infrastructures. Ensure adherence to best software engineering practices. Implement and maintain CI/CD pipelines. Stay updated on the latest AI trends and best practices. You're ideal for the role if you have: Minimum 5 years of professional experience in software development with proficiency in Python. Strong understanding of AI/ML/LLM fundamentals. Backend expertise in developing RESTful APIs. Solid experience with CI/CD tools such as GitLab CI, Jenkins, Docker, and Kubernetes. Strong problem-solving skills and a passion for high-quality software engineering. Ability to work independently while collaborating in a fast-paced, research-driven environment. Experience in modern front-end frameworks such as React, Vue.js, or Angular is desirable. Experience with AWS is desirable.