Top Tech Jobs & Startup Jobs in Poland

Lead AI-driven visual production for performance marketing, creating photorealistic human and lifestyle imagery, iterating on creatives using data, collaborating with marketers and editors, and integrating AI outputs into design pipelines to improve conversion rates.

Partner with the CEO to drive strategic execution, governance and cross-functional alignment. Lead the Executive Office, coordinate strategic initiatives, track organizational performance, prepare executive briefings, identify risks, and strengthen processes to improve collaboration and decision-making across the Foundation.

Lead end-to-end training, fine-tuning, and optimisation of LLMs and SLMs on GPU infrastructure. Build and manage ML training pipelines, prepare and process large real-world datasets, select models and frameworks, apply efficient fine-tuning methods, monitor performance, troubleshoot GPU and data-pipeline issues, and collaborate to deploy models to production.

Design and implement full-stack features for campaign management, reporting, and marketplace optimization. Build scalable back-end services and APIs, craft responsive front-ends, own services in production (testing, observability, on-call), collaborate with product and pods, and mentor engineers to raise standards.

Provide 4th-level mobile support and enterprise mobility operations: design, implement, and maintain MDM solutions; support global end users; manage vendors; consolidate processes; create SOPs and KB articles; coordinate upgrades, integrations, and on-call rotations; obtain and maintain US DoD Secret clearance.

Lead architecture and implementation of scalable full-stack features using NestJS and Next.js, integrate LangChain-driven AI, manage PostgreSQL schemas and performance, build responsive UIs with Tailwind CSS, implement authentication with Clerk, and ensure reliability with Puppeteer-based testing and automation.

Build and own backend integrations connecting Voxie's SMS platform to CRMs, POS, marketing tools, and messaging providers. Design scalable, testable serverless systems on AWS, handle high-throughput messaging, implement reliable API/webhook/SFTP/batch pipelines, and collaborate with sales, partners, and customers to scope and deliver integrations.

Source and evaluate vertical software acquisition targets across Europe, lead outreach and CRM management, prepare financial valuations and models, manage end-to-end due diligence workstreams (finance, tax, tech, legal, commercial), support deal structuring and SPA negotiation, coordinate internal integration, and represent Everfield at meetings and conferences (frequent travel).

The role involves overseeing product documentation, launching a certification program, analyzing customer inquiries, and collaborating with teams to enhance the knowledge experience at Flosum.

The Product Owner will manage the Marketplace platform, ensuring accurate product listings, enforce pricing controls, and streamline order processes. Responsibilities include governance, collaboration with cross-functional teams, and improving operational efficiencies.