Top Tech Jobs & Startup Jobs in Warsaw

Develop platform software for high-performance networking hardware. Responsibilities include Linux user-space and kernel development, DMA and IOMMU support, ASIC register access, high-resolution timers, network congestion statistics, configuration management services, routing protocol agents in C/C++, and automated Python testing across embedded Linux devices.

Build and own Aura’s AI Intelligence Platform, designing scalable distributed systems that unify sensitive data and enable secure, privacy-preserving AI agents. Lead initiatives from architecture through production, make cross-stack technology decisions, establish security and operational best practices, and mentor engineers. The role focuses on Python, TypeScript, AWS, data platforms, AI-powered systems, and systems handling sensitive information.

Manage strategic B2B SaaS customers as their primary point of contact, maximize product ROI, advise on fraud and compliance best practices, translate technical challenges into solutions, monitor KPIs, and coordinate internal teams. The role requires strategic account management, customer-facing communication, project coordination, analytics, and expertise in fraud, payments, compliance, or AML/KYC, with a focus on banking customers and API integrations.

Develop and maintain integration and end-to-end automated tests for an AI-powered Microsoft Excel add-in across macOS, Windows, and web browsers. Collaborate with product managers and developers to optimize test coverage, deliver tests for critical functionality, report reproducible bugs, and validate fixes. The role requires API, database, UI automation, coding, Git, Jira, and CI/CD expertise, with remote collaboration and at least three hours of EST overlap.

Build and ship full-stack features for a data intelligence SaaS platform, spanning backend services and frontend interfaces. Use AI coding assistants to accelerate development while applying sound engineering judgment. Participate in architecture discussions, code reviews, testing, incident response, troubleshooting, documentation, and knowledge sharing. Partner with product managers to translate requirements into technical solutions. The role emphasizes SaaS architecture, AWS cloud fundamentals, Docker, Kubernetes, CI/CD, agile delivery, autonomy, and production ownership.

Own River’s YouTube video strategy and production pipeline, from idea generation and research through scripting, packaging, editing, and performance optimization. Develop compelling titles, thumbnails, hooks, and stories about Bitcoin and economics; guide hosts and editors; and build repeatable systems for content production and testing. Success is measured through views, retention, click-through rate, and returning viewers.

Own Roamless’s B2C and B2B web products end to end, including roadmap development, discovery, delivery, adoption, customer research, experimentation, and success metrics. Partner with engineering, design, data, and marketing to improve the existing website and launch a new web product. The role also contributes to product processes and culture in a fully remote startup environment.

Develop and maintain Python integrations that ingest vulnerability and asset data from external security APIs, normalize and transform it, and deliver reliable platform-ready results. Design connector architecture, improve internal frameworks, build testing and CI/CD automation, and maintain observability through logging, metrics, and error handling. Collaborate with product, QA, support, and platform teams while diagnosing integration issues and leading technical efforts from design through release.

Lead product design for Miro’s Growth team across activation, feature discovery, engagement, habit formation, and expansion. Design and measure lean experiments, explore generative AI applications, identify growth opportunities, and partner with Product and Engineering on complex user experiences. Mentor designers, uphold design excellence, and contribute to design systems and internal tooling while shaping Miro’s strategic product direction.

Own multi-entity, multi-currency cash flow and treasury operations involving $5M+ monthly transactions. Lead payment infrastructure migration, automate card funding and reconciliation, build cash visibility dashboards, create SOPs, oversee external bookkeeping through Xero, and deliver concise weekly cash and P&L reporting. The role requires hands-on finance operations experience, systems-building ability, AI adoption, and management of complex payment and accounting processes across UAE and UK structures.