Top Tech Jobs & Startup Jobs in Krakow

AI/ML Engineers will build and deploy AI-native products, autonomous agents, LLM applications, RAG systems, and production ML pipelines. Responsibilities may include integrating AI into crypto infrastructure and consumer products, fine-tuning and evaluating models, optimizing inference, and developing agentic workflows and machine-to-machine payment systems. Engineers will work end-to-end with high-ownership teams in fast-moving environments.

Lead the company’s Physical AI research and engineering function as a hands-on technical leader. Define research priorities, design and train Transformer-based models, establish rigorous offline and real-world evaluations, integrate systems with physical robots, and analyze failures across data, models, hardware, and environments. Build a focused team, guide technical architecture and experiments, translate customer needs into requirements, and deliver measurable improvements through deployed models, benchmarks, evaluation systems, or data products.

Build, operate, and scale production Kubernetes infrastructure using GitOps and declarative IaC. Design CI/CD workflows, observability, and secure-by-default systems. Troubleshoot networking/storage, participate in on-call rotations, automate operational workflows, and drive postmortems and reliability improvements.

Drive business development and close high-value enterprise deals with global biotech and biopharma accounts across Europe. Own strategic customer relationships, deliver recurring revenue, partner with technical and customer success teams on complex proposals, provide market insights for product direction, build industry credibility, and improve enterprise sales processes and playbooks.

Own the architecture, operation, and scaling of Sezzle’s AWS and Kubernetes infrastructure. Design resilient cloud systems, optimize Aurora MySQL/PostgreSQL databases, improve reliability and observability, automate infrastructure with code, lead disaster recovery and incident response, and deliver measurable gains in performance, capacity, cost, and availability. Build AI-assisted SRE tooling with appropriate controls while partnering across engineering, security, compliance, and application teams.

Own ambiguous product problems end to end, from defining user flows and API contracts through frontend implementation, backend collaboration, testing, and production delivery. Review Haskell and React code, maintain performance, accessibility, SEO, and product quality standards, and use AI tools for prototyping, implementation, refactoring, debugging, and technical exploration. Work across product, UX, frontend, backend architecture, and AWS infrastructure in a remote-first environment.

Design, build, and operate distributed backend systems in Rust; develop scalable ingestion pipelines, optimize columnar storage on object storage at petabyte scale, and manage Kubernetes clusters across AWS, Azure, and GCP. The role also involves building automation for provisioning, monitoring, scaling, and maintaining managed customer clusters.

Leads sales and business development across EMEA for specialty adsorbents used in sugar refining, beverage production, and municipal and industrial water treatment. Manages existing accounts, develops new customers, forecasts sales, negotiates deals, attends trade shows, monitors competitors, supports marketing and product development, and contributes to strategic business planning. Requires extensive travel across EMEA and collaboration with sales, marketing, product management, and technical teams.

Leads multi-country HR service delivery across Europe, overseeing escalations, compliance, case quality, SLAs, audits, vendor performance, and process standardization. Mentors Employee Relationship Consultants, manages operational risk, coordinates with Payroll, Legal, Finance, and Shared Services, and drives automation and continuous improvement. Supports complex employee and client issues across 17 European countries while ensuring accurate, legally compliant, and documented HR lifecycle execution.

Build and evolve Rerun’s open-source viewer, cross-language SDKs, and integrations with Rerun Hub. Develop high-performance interfaces for large-scale multimodal data, optimize workflows across desktop and web, make full-stack architecture decisions, and collaborate with backend, Hub, design, customers, and the open-source community. The role involves UI development, rendering, data handling, infrastructure, real-time applications, visualization, and performance optimization.