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Senior AI Software Engineer Miejsce pracy: Kraków Technologies we use Expected Java Python AWS Terraform CloudFormation SQL Operating system Windows About the project In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Mid–Senior AI Software Engineer to join a hybrid development team. The role focuses on building scalable AI-driven solutions in production environments, combining strong software engineering fundamentals with modern AI tooling and cloud technologies. This position is designed for mid-senior-level engineers who have successfully delivered AI/ML-powered solutions at scale, can take full ownership of complex features end-to-end, and contribute to architectural decisions in collaboration with Data Scientists, MLEs, and Product teams. Type of project: IT services Office location: Kraków, Poznan and Wroclaw Work model: Hybrid (minimum 40% from office) Budget: 130-160 PLN net/ h - b2b Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Your responsibilities Develop and maintain AI/ML solutions using Python and popular ML frameworks Design, architect, build, and deploy scalable backend services and APIs supporting AI-driven products Take ownership of technical design and architectural decisions for AI-enabled systems Develop clean, maintainable, and well-structured code following SOLID principles and modern engineering best practices Collaborate closely with Data Scientists, Machine Learning Engineers, Tech Leads, and Product teams to integrate AI models into production systems Build and optimize event-driven architectures, microservices, and cloud-native components Utilize and optimize modern AI tooling (e.g., GitHub Copilot, LangChain, agents, LLM orchestration frameworks) Work extensively with AWS cloud services, including model hosting, orchestration, and distributed system components Implement Infrastructure as Code and enforce DevOps best practices to ensure reliable CI/CD pipelines Lead technical discussions, conduct code reviews, and mentor less experienced engineers Our requirements Advanced proficiency in Java and/or Python for backend development Deep understanding of OOP, SOLID principles, design patterns, and clean code Proven experience delivering production-grade solutions in complex, enterprise-scale environments Ability to make architectural decisions and guide technical direction Strong hands-on experience with AWS services (Lambda, API Gateway, S3, ECS/EKS, DynamoDB, etc.) Experience with Infrastructure as Code (Terraform or CloudFormation) Advanced understanding of CI/CD pipelines and DevOps practices Proven track record of delivering AI or ML-powered solutions in production (not only experimental or prototype projects) Strong familiarity with LLM ecosystems, orchestration frameworks, and agent-based tooling (ideally Amazon Bedrock) Practical understanding of model integration patterns in distributed and scalable systems Experience designing event-driven architectures and working with messaging or streaming platforms Strong working knowledge of SQL and NoSQL databases Very good English skills Optional Experience with frontend frameworks such as Angular Exposure to Amazon Bedrock, vector databases, embeddings, or Retrieval-Augmented Generation (RAG) Previous experience mentoring engineers and supporting technical leadership initiatives This is how we organize our work This is how we work at the clients site you focus on a single project at a time you develop several projects simultaneously you have influence on the technological solutions applied you develop the code "from scratch" you focus on product development you focus on code maintenance agile scrum Team members fullstack developer project manager This is how we work on a project Clean Code code review Continuous Deployment Continuous Integration DevOps documentation issue tracking tools testing environments Development opportunities we offer development budget intracompany training mentoring substantive support from technological leaders technical knowledge exchange within the company What we offer Hybrid working model (minimum 40% from the office in Wrocław, Poznań, or Kraków) Collaboration with senior engineers and cross-functional AI teams Dynamic and innovation-driven engineering environment Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance Benefits sharing the costs of sports activities private medical care sharing the costs of professional training & courses life insurance remote work opportunities flexible working time integration events dental care extra social benefits Recruitment stages HR screen Technical meeting Cyclad In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting edge technologies that shape the world of the future. Please enclose the following statement in your application:I hereby give consent for my personal data contained in the submitted application documents to be processed by Cyclad sp. z o.o., ul. Chłodna 48/1, 00-872 Warszawa, including my image, in relation to my participation in the recruitment process. I acknowledge that the above consent may be withdrawn at any time. If you are interested in participating in future recruitment processes, please enclose the following statement in your application:I hereby give consent for my personal data contained in the submitted application documents to be processed by Cyclad Sp. z o.o., Cyclad sp. z o.o., ul. Chłodna 48/1, 00-872 Warszawa, including my image, in relation to my participation in future recruitment processes. I acknowledge that the above consent may be withdrawn at any time.The Personal Data Controller is Cyclad Sp. z o.o., ul. Chłodna 48/1, 00-872 Warszawa, e-mail: office@cyclad.pl, contact with the Data Protection Officer is available via e-mail: IOD@cyclad.pl. Personal data collected through job applications (CV) within the scope provided for in labor regulations shall be processed in order to allow performance of the ongoing recruitment pursuant to Art. 6(1)(a) of Regulation (EU) no. 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of individuals with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (further referred to as GDPR). In case of giving consent to processing of data for future recruitment processes – personal data shall be processed under theconsent, pursuant to Art. 6(1)(a) of the GDPR. If the Application form contains data referred to in Art. 9(1) of the GDPR, it shall be necessary to have the candidates consent for the processing of such data (Art. 9(2)(a) of the GDPR). The consent can be revoked at any time. Withdrawal of the consent shall not affectthe lawfulness of the processing that had been performed under the consent prior to its withdrawal. Personal data provided by the candidate related to:- participation in a selected recruitment process will be stored until the recruitment process is completed for a given position,- participation in future recruitment processes will be stored until the candidates consent to the processing of their data for this purpose is withdrawn, no longer, however, than for 5 years since the last update of the candidate’s data.Personal data may be disclosed to employees or associates of the Company, entities providing support to the Company on the basis of outsourced services or in accordance with data processing agreements, to entities authorized under the law, as well as to entities collaborating with the Company within the scope of job placement, in order to conduct recruitment processes. After the employee’s consent, personal data may also be disclosed to a potential employer for whom the recruitment process is being conducted.Submission of the candidate’s personal data within the scope under Art. 221 of the Labor Code is obligatory for participation in the recruitment process. Submission of other data by the candidate is voluntary. No submission of personal data within the required scope or objection to the processing ofsuch data shall result in lack of possibility to include the Application in the recruitment processes conducted by the Company.The candidate has the right to access and rectify the contents of their data, remove such data, limit its processing, transfer such data, submit objection to the processing and revoke the consent at any time, without affecting the lawfulness of the processing conducted under such consent before it waswithdrawn. The candidate also has the right to file a complaint with the President of the Office for Personal Data Protection when they consider the processing of their personal data to be a violation of the provisions of the GDPR.