Top Tech Jobs & Startup Jobs in Warsaw

Develop and maintain large-scale data lake pipelines and end-to-end data solutions. Implement data processing components, optimize pipelines, produce technical documentation, and collaborate with international cross-functional teams to solve complex data engineering challenges and share knowledge.

Develop and prototype statistical methods and scalable data-processing applications for retail measurement. Automate analyses (trend, sampling, bias reduction, indirect estimation), implement test-driven solutions, document methodologies, collaborate with developers, data scientists and operations, and engage stakeholders across multiple projects.

The Account Executive will hunt and sign new enterprise merchants in Romania while managing existing client relationships, selling payment services, and developing market strategies.

The Program Manager oversees operational quality in ML Data Operations, establishes quality metrics, designs annotation frameworks, and supports various teams with quality insights. Their role ensures effective decision-making and enhances customer experience through operational excellence.

Design, develop, optimize, and refactor .NET full-stack solutions. Define interfaces and architecture, implement secure patterns, troubleshoot production issues, perform code reviews and testing, estimate projects, and mentor other engineers.

Maintain and operate shop systems (200 artifacts) with 24/7 monitoring. Implement monitoring, handle incidents and service requests, maintain and develop systems, support projects across lifecycles, and participate in rotational on-call duties to ensure SLA/KPI compliance.

Manage statutory accounting, corporate tax compliance, and transfer pricing for two Polish entities. Prepare statutory financial statements under Polish GAAP, coordinate audits, produce tax filings and year-end schedules, liaise with external advisors and tax authorities, monitor regulatory changes, and support process improvements and cross‑functional collaboration within a multinational finance shared‑services environment.

Support month-end closing, budgeting and planning across EMEA, prepare and consolidate performance reports, maintain process documentation, perform GL analysis, journal entries, intercompany invoicing, capex accounting, and ad-hoc financial analyses to support budget owners.

Work with France-based analysts to ensure commercial data accuracy, provide operational backup, build and maintain Power BI dashboards, monitor sell-out vs BI data, perform data quality reviews and root cause analysis, improve reporting and support data-driven decision making for Sales and local management.

Lead end-to-end recruitment across Southern Europe, partner with business leaders to deliver talent strategies, build pipelines through proactive sourcing and talent mapping, ensure process compliance and excellent candidate/hiring manager experience, use data and ATS for reporting, and support regional Talent Acquisition initiatives while mentoring junior team members.