Top Tech Jobs & Startup Jobs in Warsaw

Design, develop, test, audit, and deploy smart contracts and dApps. Integrate wallets, blockchain APIs, and Web3 infrastructure. Optimize for performance and gas efficiency, collaborate with cross-functional teams, monitor production systems, research emerging protocols, and document technical specifications.

Lead procurement strategy and execution, manage vendor negotiations and contract lifecycle, run RFP/RFI and deal processes, partner with product and engineering to design AI-enabled procurement solutions, support sales and client engagement, and own cross-functional workstreams and vendor onboarding.

Lead design and implementation of LLM-based features and agentic workflows for an enterprise SaaS OMS platform. Build and optimize models, data pipelines, and AI infrastructure; deploy, monitor, and fine-tune production models; implement responsible AI guardrails; collaborate with product, data, and engineering teams; mentor junior staff and drive scalable, reliable AI solutions.

Design, improve, and deploy large-scale ML models for real-time ad-tech applications; explore data sources, research solutions, run A/B tests, and collaborate with engineering to productionize models and monitoring.

Own full-cycle recruiting for technical roles, partner with hiring managers to define roles, source and close candidates, build scalable systems and pipelines, optimize hiring with data, and support a global, remote people team while acting as a culture ambassador.

Lead Visit.org's visual identity and creative output across digital, video, events, and campaigns. Develop concepts, design assets, own event branding, edit video/motion, refine copy, collaborate with stakeholders, and implement AI-powered workflows while managing multiple projects and deadlines.

The Project Manager will oversee the marketing department's workflow, ensuring project alignment, risk management, and creative input for campaigns.

Design and iterate user journeys, features, and products across Reedsys applications; maintain the design system and component library; implement some front-end code and collaborate with engineers to ensure pixel-perfect execution.

Lead business development to secure exploration, development, and mining assets. Manage and execute deals, coordinate technical underwriting and due diligence, build commercial offers and term sheets, negotiate commercial contract terms with legal, and cultivate long-term counterparty relationships while overseeing a BD team and preparing internal investment memoranda.

Create and maintain product documentation, blog posts, website copy, and walkthrough videos. Build and manage a content calendar, identify growth opportunities, use internal tools and data to optimize content, and collaborate with product and engineering to translate technical concepts into clear, growth-focused content.