Senior Software Engineer, Python

O projekcie: 🚀 SmartRecruiters transforms hiring for the world’s leading enterprises. We deliver an AI-powered hiring platform built for global scale, automating and optimizing the entire talent acquisition process. More than 4,000 companies, including LinkedIn, McDonald's, VISA, CD Projekt Red, Allegro rely on SmartRecruiters to build winning teams.  🚀 In 2025, SmartRecruiters joined SAP, the global leader in enterprise applications. Together, we are accelerating the reinvention of hiring by combining AI innovation with the scale and resources of SAP’s ecosystem. We designed our R&D structure based on the empowered product teams model. It means our teams are responsible for business outcomes and have autonomy in solving problems in a way that “customers love yet work for the business”. Job Description We are looking for an experienced Python Engineer to join our Chat group that builds innovative, data-driven recruiting products powered by next-generation agentic AI systems. You’ll be working closely with our team of AI/ML engineers to scale up applications powered by NLP, Machine Learning and AI agents. You’ll be responsible for implementing and maintaining AI agentic systems that connect people to jobs at scale. Together with our dedicated platform team, you ensure a seamless integration of new services into the existing infrastructure, at enterprise-level service reliability and security. We partner and collaborate with R&D leaders, product managers, designers, and engineers to design and develop intelligent AI agent-powered solutions that transform how companies identify, engage and hire the best talent. Our products are used by thousands of customers and affect the experience of millions of job candidates. As a key member of our team, you’ll have a unique opportunity to help us achieve our goals using cutting-edge technology. You will work with passionate people (our Engineering teams are located in Berlin and Krakow) so that, together, we can reach one of the most important goals of today - to connect people to jobs at scale. Important: the position is available only under a standard contract of employment with 80% of tax deductible cost. We’re not just building chat systems - we’re building the AI recruiting assistants of the future. Wymagania: - Minimum 5 years of experience in back-end development using Python microservices, working with modern RESTful APIs, and designing a persistence layer (e.g. Kafka, MongoDB, PostgreSQL) - Strong understanding of distributed software systems; how to design, operate and debug them - Experience within Data Engineering, data processing pipelines (nice to have) - Strong understanding of test automation techniques, because our goal is to automate it all - Familiarity with Amazon AWS, containerization software (Docker/Kubernetes), and monitoring/analysis tools (Kibana/Grafana/Prometheus) - Nice to have: experience in building AI agents (design for non-deterministic systems, monitoring AI quality, etc.) - Very good level of English (both verbal and written), B2/C1 level - Sharing of SmartRecruiters's values and willingness to make an impact in the HRTech world Codzienne zadania: - Participate in the full life-cycle of the product (including ideation, problem discovery, prototyping, design, implementation, and measuring adoption) - Design and develop services with Python on top of Kubernetes/AWS infrastructure as well as connect to our persistence layer (Kafka, MongoDB, PostgreSQL) - Build and document developer-friendly RESTful APIs - Design and build AI agents that can handle high traffic load and concurrency - And the most important - bring your own product ideas to life