ruby English-speaking jobs in Bielsko-Biała

Design and build scalable AWS data lake solutions. Responsibilities include developing data pipelines with Python and PySpark, managing Apache Iceberg tables, and using Terraform for CI/CD and infrastructure. Requires strong AWS data service experience.

Privacy Data Analysts with German Overall Job Purpose The Privacy Specialist is responsible for enforcing the policies for our clients' products by analyzing requests under European Law Legislation from lawyers and private individuals by reviewing and processing privacy requests.

Senior BigData Architect to lead the design and implementation of a greenfield, enterprise-scale data platform using the Azure-native ecosystem. Drive data architecture strategy and build end-to-end solutions. Requires 5+ years in data architecture and Azure Data Stack expertise.

Group Financial Accounting & Reporting Analyst (maternity cover) prepares financial reporting under IFRS, verifies consolidated data, and supports finance transformation. Requires 3-5 years in finance with accounting/reporting experience.

Head of Sales Eastern Europe leads and develops Area Sales Managers across Eastern Europe. Responsibilities include implementing regional sales strategies, pursuing new business, and managing the sales pipeline. Requires 5+ years of sales leadership experience.

Senior Java Backend Developer to design, develop, and maintain Java applications for savings and investment products. Requires strong experience with Java 21, Spring Boot, Hibernate, and PostgreSQL. Must collaborate with stakeholders and mentor developers.

Mid SRE/DevOps Engineer to design and develop the developer platform and establish CI/CD standards. Responsibilities include enhancing Kubernetes, building automation tools in Python, and standardizing deployment processes.

Dynamic Pricing Analyst needed to support global pricing and profitability. Develop value-based pricing strategies, improve analytical tools, and analyze margins to drive profitable growth. Requires 3-5 years of pricing experience.

Senior Programmatic Specialist manages campaigns across DV360, TradeDesk, and Amazon DSP. Optimize campaigns, analyze performance data, and provide strategic recommendations to regional teams. Requires 3+ years of experience.

Full Stack Java Developer to join an international team. You will build new capabilities across Java and Angular platforms, utilizing AI-assisted development to accelerate delivery while ensuring software quality and technical excellence.

Senior Manual QA Engineer needed for a healthcare project involving a mobile app for nurses. Responsibilities include manual testing of mobile apps, APIs, and end-to-end workflows. Requires 3+ years of experience.

Senior Platform Engineer to design and build intelligent capabilities for the Developer Experience & Enablement Platform. Responsibilities include developing infrastructure, libraries, and tooling for 100 applications. Requires 8 years of experience in production-grade infrastructure.

Contract Management Specialist supports the procurement and administration of BESS technology, including battery systems, PCS, EMS, and SCADA. Manages contractual documentation, supplier obligations, and project milestones. Evaluates commercial impact of project changes and supports dispute resolution. Requires a Bachelor's or Master's degree and 5+ years of contract management experience in EPC, energy, or related projects. Fluent English required.

Lead Operational Excellence initiatives to improve performance, reduce cost, and build a lean culture. Drive projects using Lean/Six Sigma, Kaizen, and AI innovation while partnering with business leaders.

Design and build user-facing data analytics tools to drive business value. Manage work streams, collaborate cross-functionally, and utilize SQL, Excel, and data wrangling tools. Requires experience in user-facing product ownership.

Funding Operations Officer to ensure accurate payment processing, data reconciliation, and report building. Requires advanced Excel skills, finance/accounting background, and fluency in Polish and English.

Frontend Developer with 4+ years of experience required. Must be proficient in JavaScript, TypeScript, and React, with experience in API collaboration and Scrum. Fluent in English.

Senior DevOps Engineer to develop and maintain CI/CD pipelines for 4G and 5G software. Responsibilities include automating build/release processes, managing Docker/Kubernetes, and developing Infrastructure as Code with Ansible and Terraform.

Fullstack Engineer (Node.js/React) will design, build, and maintain a platform that aggregates, processes, and visualizes business data. Responsibilities include developing backend services, frontend components, and integrating APIs. Requires 3+ years of experience with JavaScript/TypeScript, Node.js, Express.js, and React.

Data Scientist to lead commercial data science for Planet's AI team. Build and deploy models for churn, cross-sell, and revenue attribution. Requires 5+ years in applied data science, strong SQL/Python, and productionizing models on AWS.