Python Backend Developer

At Cyclad, we work with top international IT companies to help them deliver cutting-edge technologies that shape the future. We are currently looking for an experienced Python Backend Developer to join an international team .In this role, you will develop and maintain backend services and REST APIs using Python and FastAPI while contributing to cloud-based, data-intensive, and AI-driven solutions. You will work on an application that digitalizes and automates procurement and sourcing processes using Generative AI and Large Language Models (LLMs), collaborating closely with Cloud Engineers, AI Engineers, Data Scientists, Product Owners, and Frontend DevelopersProject information:Type of project: IT servicesOffice locations: Gdańsk, Poznań, or Wrocław, PolandWork model: Hybrid – 2 days per week in the office, 3 days remotelyBudget:95-120 PLN net/hour – B2BProject length: Long-termStart date: ASAP (depending on the candidate's availability)Only candidates with citizenship in the European Union and residence in PolandYour responsibilities:Design, develop, and maintain backend services and APIs using PythonBuild and evolve RESTful APIs supporting frontend functionality and system integrationsImplement reliable, scalable, and maintainable backend business logicContribute to the backend architecture and technical design decisionsIntegrate backend services with external systems and enterprise applicationsSupport data-intensive processing and backend workflowsCollaborate with Cloud Engineers on deployment setup, runtime architecture, environment configuration, and CI/CDWork closely with Frontend Developers on API design, contracts, and integration flowsContribute to AI-driven and data-intensive application workflowsEnsure backend components meet requirements for security, observability, scalability, and operational supportabilityParticipate in testing, troubleshooting, performance optimization, and continuous improvementWork with Git and follow Agile software development practicesCollaborate with AI Engineers, Data Scientists, Product Owners, Cloud Engineers, and Frontend DevelopersRequirements:3–5 years of professional experience in backend development with PythonStrong hands-on experience with a modern Python web framework, ideally FastAPIStrong experience designing, building, and maintaining REST APIsPractical experience working with AWS and cloud-based application environmentsGood understanding of backend architecture and system integration patternsGood knowledge of interface and API designExperience with Git and Agile software development practicesUnderstanding of secure, scalable, and maintainable backend developmentExcellent communication skills in EnglishAbility to work effectively in a cross-functional international teamNice to have:Experience with data pipelines or data-intensive applicationsExposure to AI/ML-oriented systems, including inference endpoints or model-serving componentsExperience with Snowflake or similar cloud data platformsFamiliarity with SAP-related interfaces or enterprise integration technologies such as OData, APIs, IDoc, RFC, or BAPIExperience with Docker and containerized application deliveryExperience with CI/CD pipelines and automated deployment practicesKnowledge of secure API design, authentication, and authorization patternsExperience collaborating with Data Science teams and integrating ML models or inference endpointsWe offer:Hybrid working model with 2 days per week in the officeFull-time cooperation agreement based on B2BPrivate medical care with dental care (covering 70% of costs)Multisport card (also for an accompanying person)Life insuranceOpportunity to work on innovative AI-powered solutions in an international IT environmentRecruitment process:Introductory callTechnical interviewFinal decision