Top Tech Jobs & Startup Jobs in Krakow

Lead global marketing strategy and GTM to scale Aisle into a market leader. Own brand, PR, product positioning, full-funnel demand generation, ABM, marketing tech stack, RevOps, attribution, budget/agency management, and grow a multidisciplinary marketing team aligned to revenue targets.

Senior full-stack engineer responsible for designing, implementing, and maintaining scalable brokerage systems. Build and enhance gRPC microservices and React admin UIs, support regional operations and incident command, mentor engineers, collaborate with global teams, and ensure reliability and scalability for multi-market trading infrastructure.

Respond to global employee HR and payroll inquiries via phone, email, web-form and chat. Troubleshoot and escalate issues, promote self-service, maintain case records, contribute to knowledge base and process improvements while meeting service levels.

Manage day-to-day partner relationships and execution to scale SaaS revenue. Drive partner pipeline, lead generation, and revenue contributions; run enablement, onboarding, joint campaigns, reporting, QBRs, and cross-functional coordination to meet KPIs and optimize partner programs.

Develop Python backend applications and SaaS connectors that emulate real platforms; build REST APIs, microservices, and integrations; perform backend testing and integration validation; design long-horizon AI tasks and evaluation rubrics; use Claude Code and AI coding agents throughout development and QA. Freelance, task-based engagement.

Own Roamless's web products end-to-end: set roadmap, run discovery and user interviews, partner with engineering/design/data to deliver iteratively, define success metrics and A/B tests, and work with marketing on positioning and adoption.

Build and operate production-grade model serving infrastructure, design deployment pipelines (blue/green, canary), implement autoscaling and multi-model serving, optimize GPU utilization and network throughput, set up observability and model registries, manage CI/CD for reproducible deployments, own full ML system lifecycle including on-call support and platform scalability.

Manage Weaviate's social channels and content calendar, create written and visual content for developers, track social metrics, engage the community, use AI tools for content creation, and collaborate with growth, product, and engineering to execute campaigns.

Build and maintain a scalable internal LLM agent framework, ensure observability and reliability with metrics/tracing/monitoring, adapt solutions for customer use cases with ML/NLP teams, build automated LLM evaluation pipelines, and design Python backend services using cloud-native architecture.

Provide multi-channel technical support for WhatsApp Business integrations, troubleshoot API and webhook issues, liaise with WhatsApp/Meta, collaborate with L2, onboarding and commercial teams, and guide partners through the WhatsApp Business ecosystem.