137 English-speaking jobs in Katowice

Build and scale a global Media Data Foundation by developing and optimizing data pipelines for media data ingestion and transformation. Requires expertise in Snowflake, data modeling, Python, and experience with advertising data.

Are you an experienced Java professional passionate about building scalable applications and modernizing enterprise technology? Join our growing engineering team and work on exciting application modernization initiatives, collaborating with talented developers across global teams!

WHO WE ARE Relativity is a leading legal data intelligence company building technology that helps users organize data, discover the truth, and act on it with confidence.

Location: Poland Working mode: Remote (with occasional business travel) Language: English We are looking for a senior . NET engineer based in Poland. Working closely with technical and business stakeholders, you will take an active role in stabilising the solution, reducing technical debt and improving the engineering practices needed for dependable long-term operation.

We are seeking a Senior Rust SDK Engineer to develop and maintain a Rust SDK that enables client applications to integrate with backend services via gRPC. This role involves designing clear, stable APIs and ensuring reliable, secure communication for SDK integration into mobile applications and game engines.

Key Responsibilities Agentic Systems & GenAI Development: Architect, build, and deploy sophisticated GenAI solutions, including multi-agent orchestration systems, autonomous headless agents, harness engineering, and advanced RAG architectures. Full-Stack AI Engineering: Write clean, production-grade code across the stack using Python alongside TypeScript/JavaScript, Go, or similar modern languages.

Manage and contribute to process improvement initiatives focused on efficiency and operational effectiveness. Coordinate projects, identify inefficiencies, and recommend solutions using Lean and Six Sigma principles.

Senior SDET role designing and building test automation frameworks for video analysis solutions. Requires 5+ years in software testing with strong coding in Python and TypeScript/JavaScript or Rust. Focus on building infrastructure for distributed, serverless systems.

Infrastructure Engineer to operate and improve a Kubernetes-based API platform across public and private cloud environments. Requires 4+ years operating Kubernetes in production, strong Linux skills, and experience with AWS or Azure.

At Cyclad, we partner with leading international IT companies to help them turn ambitious ideas into cutting-edge technologies that shape the future. We are currently looking for a 2nd Line Infrastructure Engineer to join an enterprise IT environment and play a key role in keeping critical systems stable, secure, and performing at their best.

Senior QA Automation Specialist with C# to design, develop, and maintain automated tests for frontend and backend applications. Requires 5+ years in test automation, proficiency in C#, Selenium/Playwright, and RestSharp for API testing.

Senior SAP APO/IBP Consultant leads APO implementations, enhancements, and support for supply chain planning functions. Expertise required in DP, IDP, DRP, SNP, PP/DS, GATP, and Cannibalizer analysis.

Internship in Supply Chain involves managing shipments, inventory, and delivery schedules. Responsibilities include data analysis, cross-functional collaboration across Europe, and suggesting process improvements. Requires good English and MS Excel skills.

GL Accountant responsible for maintaining general ledger accounts, preparing journal entries, and performing account reconciliations. Supports month-end closing, manages fixed assets, and ensures compliance with accounting standards. Requires a Finance degree and 2-5 years of accounting experience.

GL Accountant responsible for end-to-end general ledger accounting, statutory compliance under Polish GAAP, and financial control for the Polish entity. Oversees AP/AR, intercompany accounting, and reporting.

Product Manager to drive business value by delivering quality products. Responsibilities include defining product strategy, conducting user research, and managing cross-functional teams using agile methodologies. Requires 1-3 years in hospitality software.

Sales professional needed for Key Account Customers. Responsibilities include contract monitoring, handling inquiries, processing orders, and maintaining customer communication. Requires 3+ years in sales, strong communication, and precision. English fluency is required.

Manage the operational lifecycle of international deals, maintaining the CRM and coordinating with internal teams like Legal and Tech. Own sales administration and pipeline tracking across assigned markets. Requires 3-5 years in sales operations or deal management.

Senior Software Engineer to build and evolve real-time fraud decisioning services and APIs in Python or Kotlin. This role extends Affirm's system to new markets, integrating risk vendors and operationalizing ML signals. Requires 5+ years building backend systems at scale.

Senior Azure Data Engineer needed to build big data products for pharmaceutical and FMCG clients. Responsibilities include designing scalable solutions in Azure Databricks, managing the data lifecycle, and developing data pipelines. Requires 4+ years in Azure and 6+ years in large-scale data management.