Top Tech Jobs & Startup Jobs in Warsaw

The Senior Data Engineer will design, build, and maintain data systems, pipelines, and infrastructure for data processing and analysis, collaborating with stakeholders and ensuring data quality.

As an Advertising Account Manager, you will onboard clients, optimize campaign performance, manage client expectations, and collaborate internally to enhance services.

Lead change management for the S4/o9 transformation across MEU Demand Planning. Partner with senior leaders to design change strategies, assess impacts, deliver training (TNA, curriculum, localization, train-the-trainer), build change capability, manage stakeholder engagement, and track KPIs to drive adoption and measure effectiveness.

As a Senior Frontend Engineer, you will develop and maintain UI features for hx Renew, collaborating with frontend and backend teams to ensure a high-quality user experience.

Lead customer-facing technical engagements focused on networking for HPC/cloud environments. Design, prototype, and deploy Kubernetes-based solutions, optimize customer workloads, contribute product feedback, run proofs-of-concept, and represent CoreWeave at events. Collaborate with engineering teams on product improvements and R&D for emerging solutions.

The Site Reliability Engineer ensures customer SLAs are met, responds to incidents, monitors production environments, and improves service performance and reliability.

Design, deploy, and maintain secure, scalable AWS/Azure cloud environments. Improve governance, IAM, access controls, automation (IaC), monitoring, cost efficiency, and incident response. Partner with Security, Engineering, and IT Operations, document runbooks and SOPs, mentor junior engineers, and support compliance and disaster recovery efforts.

Coordinate and support customer training programs across Northern and Central Europe: manage logistics, prepare venues and materials, liaise with trainers and vendors, handle inquiries, schedule sessions, and assist training delivery to ensure timely, quality execution.

The Engineering Manager will lead a development team, overseeing new feature development, mentoring, and building processes in a fast-paced, Agile environment, while collaborating closely with product, design, and development teams.

The role involves analyzing complex datasets for actionable insights, creating reports, managing stakeholder needs, and improving data processes with minimal supervision.