Top Tech Jobs & Startup Jobs in Krakow

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.

Manage, launch, and optimize paid acquisition campaigns on Meta and SnapChat. Test and scale creatives, analyze cohort and ad performance, build audience and lookalike campaigns, monitor KPIs (eCPA, ROAS, CPM), and collaborate with creative teams to improve ROI across global funnels.

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.

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.

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.

Own the Nordics & Benelux region, build and manage strategic account pipelines, run consultative sales processes with CISOs and security leaders, deliver outcome-based demos with Solutions Engineers, collaborate with partners and internal teams, and accurately forecast revenue to close high-impact deals.

Lead end-to-end MT4/MT5 platform operations: audit current setup, establish uptime and incident baselines, implement monitoring/observability, develop runbooks and recovery playbooks, lead production incident response and RCA, build and run a 24/7 operations team, manage vendor relationships, and transition platform operations in-house.

Serve as the Scrum Master for SaaS engineering teams: facilitate sprint planning, stand-ups, retrospectives and backlog refinement; track metrics (velocity, burn-down, cycle time); remove systemic impediments; communicate risks and progress to stakeholders; support release cycles; champion and coach agile practices to improve predictability and delivery quality.