15,110 junior big data developer jobs in Polska.

PKO Bank Polski poszukuje specjalistki/specjalisty ds. informacji ryzyka kredytowego (Data Engineer) w Warszawie. Rola obejmuje inżynierię danych w środowisku on-premise i chmurowym oraz projektowanie procesów w GCP. Doświadczenie w budowie hurtowni danych na GCP, znajomość Pythona, SQL i narzędzi orkiestracji, a także ...

... our largest advertising clients and product partners. You will lead cross-functional teams in Engineering, Sales and Product Management to leverage emerging technologies, from concept design and testing to data analysis and support, overseeing technical execution and business operations of Google's advertising platforms.

... wymagania - Posiadasz minimum 5 lat doświadczenia w analityce (preferowany Retail/Consulting), w tym minimum 3 lata w zarządzaniu zespołem - Jesteś biegły/a w GCP (BigQuery, Airflow), SQL oraz narzędziach BI (Power BI/Looker) - Posiadasz praktyczną wiedzę z zakresu data wrangling, modelowania danych (pipelines) oraz statystyki ...

... Bezpośredniej – sektor telekomunikacyjny) (K/M) Miejsce pracy: Kraków Twój zakres obowiązków - Zarządzanie portfelem kluczowych klientów (Telco, ISP, enterprise, data center) - Aktywne pozyskiwanie nowych klientów oraz budowanie długofalowych relacji biznesowych - Rozwój sprzedaży w obszarze modułów optycznych, systemów xWDM ...

... Familiarity with tools such as Miro or Figma for process and user journey mapping - Knowledge of change management and user adoption strategies - Experience in data and AI transformation initiatives - Experienced in using AI tools in day-to-day workflow Project description: The role focuses on delivering high-impact process ...

... - Strong knowledge of SEO, including technical SEO - Hands-on experience in CRO and running A/B tests - Strong analytical skills and the ability to translate data into concrete business actions - Good knowledge of GA4, Semrush and tools supporting testing and optimisation - Hands-on experience with Shopify - Basic understanding ...

... others;, Understanding of system integrations, including REST APIs, message brokers, event-driven architectures, or similar approaches;, Ability to work with databases, use SQL to analyze data, and validate system behavior;, Understanding of software development processes and basic system architecture;, Experience working ...

... Design, develop and maintain Python-based satellite image processing end-to-end pipelines for multispectral, hyperspectral, SAR, and other Earth observation data., Write clean, efficient, and well-documented code using Python and other relevant technologies., Collaborate with cross-functional teams to define requirements, ...

... Design, develop and maintain Python-based satellite image processing end-to-end pipelines for multispectral, hyperspectral, SAR, and other Earth observation data., Write clean, efficient, and well-documented code using Python and other relevant technologies., Collaborate with cross-functional teams to define requirements, ...

... areas such as body shop or assembly, you will develop concepts for production steering, connecting machines and systems to our MES system, recording shop floor data such as screwdriving process data, serial numbers, etc. - Your task will include requirements management, the development/ adaptation of business process models ...

... Salesforce and SAP, combined with a commercial or product management background within healthcare industry* Strong analytical skills with advanced Excel capability, a data driven mindset, and experience translating complex data into clear business insights* Ability to manage projects and deliver results in cross functional environments, ...

... greatest responsibilities, which we embed it into everything we do and for everyone we work with. Clicking apply I hereby express my consent to process my personal data included in my job offer by Accenture Sp. z o.o. or any other entity of the Accenture group for recruitment purposes, and that it is a data controller within ...

... Analyse logs and monitoring data using Kibana, Grafana, or similar observability tools. - Perform structured troubleshooting across application, networking, database, and integration layers. - Use basic SQL queries to validate data, investigate incidents, and confirm system behaviour. - Apply approved runbooks, knowledge ...

... production systems Strong Python skills and the ability to design clean, maintainable backend code Good distributed systems judgment: concurrency, failure handling, data consistency, async work, and service boundaries Hands-on experience with cloud infrastructure such as AWS, GCP, or Azure Comfort with database schema design and ...

RTB House, a next-generation performance DSP, seeks a Customer Success professional to manage a large client portfolio in a data-driven environment. You will own client health, propose optimization strategies, and maintain ongoing strategic engagement with international clients. With 3+ years in SaaS or tech, you will handle ...

TikTok is seeking a Client Solutions Manager for the Central European food vertical to partner with advertisers, translating data-driven insights into growth opportunities. You will guide campaigns, coordinate cross-functional teams, and drive long-term partnerships across multiple markets. You will analyze performance, ...

... Live Studios, focusing on Paper.io2 portfolio. You will own F2P monetization, progression, and live events to drive engagement and revenue. Collaborate with developers, artists, and data analysts to plan features, write clear specs, and ship high-quality updates under tight deadlines while staying ahead of industry trends.

voize, a fast-growing Warsaw-based tech startup, is hiring a Backend Engineer to join the US/UK squad. You will ensure smooth data flows between voize and partner software, building integrations with care and scale. Target candidates bring Kotlin mastery, API integration experience, and strong English communication skills. ...

DATA MODUL Aktiengesellschaft Produktion und Vertrieb von elektronischen Systemen in Lublin is seeking a Team Leader Production to lead the production team, drive daily and periodic production plans, and ensure smooth operations in a modern tech environment. You will manage KPIs, coordinate with support departments, optimize ...

Relativity, a leading legal data intelligence company, is seeking a Senior AI Engineer in Kraków to shape the Agent Harness runtime and integrate LangChain/LangGraph into scalable AI platforms. You will design abstractions, work on long-session handling, and advance multi-agent workflows within Relativity’s AI products ...