Top Tech Jobs & Startup Jobs in Krakow

Zartis is seeking talented individuals for various roles in a distributed team focused on developing new technologies. Candidates should have good communication skills, be proactive, and experienced in building software from scratch.

Lead and evolve Android architecture and mobile platform foundations, design durable production systems, improve reliability and delivery practices, define mobile-facing contracts with cross-functional partners, and raise engineering standards through reusable patterns, validation, and AI-enabled testing.

The Software Engineer II role involves designing, developing, and maintaining innovative product features, collaborating on architectural discussions, mentoring peers, and delivering scalable solutions.

The Customer Success Manager at SimScale drives post-sales lifecycle for customers, ensuring product success, managing relationships, and executing strategies for customer retention and business growth.

Design and develop complex software systems; ensure high code quality through reviews and testing; troubleshoot performance and technical issues; collaborate with cross-functional teams; contribute to architecture and solution design; mentor junior developers and promote knowledge sharing.

The Customer Success Specialist, fluent in Mandarin and English, manages client relationships, oversees onboarding, resolves issues, and monitors account performance to ensure satisfaction with logistics services.

Build pixel-accurate UI from Figma and Claude-generated templates using TypeScript/React, and contribute to C# backend services/APIs. Establish AI-native workflows with Claude, implement telemetry, troubleshoot full-stack issues, and improve tooling and maintainability.

Provide email and chat technical support for SpinOne across Google Workspace, Microsoft 365, Slack, Salesforce, and Atlassian (Jira, Confluence). Troubleshoot, escalate, document resolutions, maintain ticket records, create knowledge base articles, report on ticket metrics, and collaborate with engineering on recurring issues. Focus on de-escalation and clear technical communication.

Lead technical pre-sales for subsea networking opportunities: design and validate submarine network architectures, run demonstrations/trials, produce RFx responses, cost models and engineering documentation, evaluate technology trade-offs, and coordinate cross-functional teams to position Ciena's submarine portfolio and inform product enhancements.

Lead technical pre-sales with European customers: qualify opportunities, run technical discovery, deliver demos and POCs, advise on quantum algorithm adoption, and relay field feedback to product.