Senior Fullstack Developer (Python + React)

Cyclad works with top international IT companies delivering advanced technology solutions. This role involves joining an international team developing an AI-enabled application for automating procurement and sourcing processes, combining backend and frontend development with AI and cloud-native architectures.

• 5+ years of professional experience in full stack development
• Strong hands-on experience with both Python backend development and React frontend development
• Experience with a modern Python web framework
• Strong experience designing, building, and maintaining REST APIs
• Solid experience building modern React applications, including state management, hooks, and API integration
• Practical experience working with AWS and cloud-based application environments
• Experience transforming exploratory or experimental code into production-ready systems
• Good understanding of full stack architecture, system integration patterns, and interface design
• Experience with Git and Agile software development practices
• Understanding of scalable, secure, and maintainable application development
• Excellent communication skills in English
• Ability to work effectively in a cross-functional international team with Data Science, AI, Backend, Frontend, Cloud, and Product stakeholders

Nice to have:

• Experience with data pipelines or data-intensive applications
• Experience working with AI/ML-oriented systems, including inference endpoints, model-serving components, or LLM-based workflows
• Experience with Snowflake or similar cloud data platforms
• Familiarity with SAP-related interfaces or enterprise integration technologies such as OData, APIs, IDoc, RFC, or BAPI
• Experience with Docker and containerized application delivery
• Experience with CI/CD pipelines and automated deployment practices
• Knowledge of secure API design, authentication, and authorization patterns
• Experience with data visualization in React or other frontend technologies for presenting AI/ML outputs to end users

• Design, develop, and maintain full stack solutions using Python and React
• Develop and maintain backend services and RESTful APIs using Python
• Build modern, responsive, and user-friendly React applications
• Integrate frontend applications with backend APIs and AI-driven functionality
• Collaborate with Data Scientists to understand exploratory POCs, models, and notebooks
• Transform experimental data science code and notebooks into production-ready, maintainable systems
• Refactor and productionize exploratory code, including Streamlit applications, scripts, and prototypes
• Implement scalable and maintainable backend business logic
• Contribute to technical design decisions across backend and frontend architecture
• Collaborate with Cloud Engineers on deployment setup, runtime architecture, environment configuration, and CI/CD
• Support data-intensive application workflows and system integrations
• Ensure application components meet requirements for security, observability, scalability, and operational supportability
• Participate in testing, troubleshooting, performance optimization, and continuous improvement
• Work closely with Data Scientists, AI Engineers, Cloud Engineers, Product Owners, and other developers

Only candidates with citizenship in the European Union and residence in Poland are eligible.