1029 English-speaking jobs in Katowice

Data Engineer to design, build, and optimize data pipelines using Snowflake and Databricks. Experience with ETL/ELT processes, data warehouse modeling, SQL, and Python required.

Develop and maintain backend applications using .NET 8, build REST APIs, and support system architecture design. Experience with AI tools, microservices, and Docker required.

Senior Software Engineer (Python) will design, develop, and implement web-based applications using Python, AWS, FastAPI, and FastMCP. Responsibilities include collaborating with Product Design and Product Management, implementing new features, and mentoring junior engineers. Requires 7 years of experience in commercial-grade web application development using Python and proficiency with data-driven web applications.

Senior .NET Developer to design, develop, and maintain backend applications for energy and logistics systems. Experience with .NET 8, ASP.NET Core, SQL Server, Redis, RabbitMQ, Docker, and AI tools is required.

Staff AI Engineer needed for remote-first company. Design and build LLM-based features using Gemini, ChatGPT, Claude. Expert Python knowledge (5+ years) and experience with LLMs, LangChain, LangGraph, LangSmith required.

Design, implement, and deploy SAP solutions to achieve business goals. Lead full-cycle, international projects and drive industry innovation with SAP S/4HANA solutions.

Blockchain Full-Stack Developer will design, develop, and audit smart contracts on EVM-compatible blockchains using Solidity. Responsibilities include building and maintaining web applications, integrating smart contracts with web applications and external systems, and operating and monitoring blockchain nodes. Experience with Solidity, token standards (minimum ERC-20), and full-stack development (React or Angular, Python, Java, or Node.js) is required.

Design, build, and operate reusable front-end building blocks for B2B and B2C customer solutions. Develop and operate plugins for the Backstage developer platform. Collaborate with other developers to build, maintain, and operate reusable API services.

Develop and maintain modern C++ software for embedded Linux platforms, ensuring reliable and energy-efficient system control. Integrate software modules using SomeIP communication interfaces and collaborate with a team to ensure software quality through unit tests, static code analysis, and system-level testing.

Develop innovative SAP Fiori applications using SAP UI5, collaborating with cross-functional teams to design, test, and deploy solutions. Translate customer requirements into functional software components, supporting sustainable application architecture. Mentor colleagues and stay current with technology trends.

Fullstack Developer needed for a 3-month contract to maintain e-commerce platform authorization/authentication, landing pages, and tracking systems. Responsibilities include developing and maintaining frontend applications using Next.js/React and backend services in Golang. Must have proficiency in Golang, Next.js, React, APIs, and web micro-services.

Senior Data Platform Engineer will design and implement scalable data pipelines using Spark and Python to process large datasets. Responsibilities include developing lakehouse capabilities with Delta Lake and Iceberg, integrating data warehousing solutions, and ensuring secure and compliant data access. Requires strong Python and SQL skills, experience with Apache Spark, Delta Lake, and dbt, and familiarity with Databricks and Snowflake.

Fullstack Developer with 2.5 years of experience needed. Expertise in React, Python, and cloud platforms (Azure, AWS, or GCP) required. Build and maintain scalable web applications and APIs. Collaborate with teams to deliver high-quality solutions.

Azure Cloud Architect needed for a freelance project focused on Data Residency and Data Protection Services. Experience with Azure cloud infrastructure, security consulting, and data security measures is required.

Design, develop, and deploy cutting-edge Generative AI solutions leveraging foundation models. Fine-tune LLMs and generative models for industry applications. Implement GenAI-driven applications integrating NLP, image generation, and multimodal AI. Collaborate with teams to translate business needs into AI-powered innovations.

Senior Node.js Developer needed for full-time position. Develop and maintain backend services using Node.js and NestJS. Build and support serverless components on AWS (Lambda, Glue, DynamoDB). Experience with microservices and data-heavy backend systems required. Excellent communication and problem-solving skills essential.

Senior Software Engineer needed for full-time position. Requires strong Java backend development experience, API building and integration, and experience with Kafka, relational and NoSQL databases. Responsibilities include client and partner migrations, codebase transitions, and system integrations.

Data Engineer to modernize a complex data estate, transitioning legacy ETL processes into a high-performance Microsoft Fabric environment. Responsibilities include building and managing data environments, designing and tuning data models, and migrating legacy workloads. Requires extensive hands-on experience with Microsoft Fabric, Spark, and SQL.

Senior Synthetic Data Engineer needed to design and improve data pipelines, generate synthetic data using Unreal Engine, and apply generative AI for data augmentation. Requires strong Python skills, understanding of data pipelines, and experience with PyTorch and diffusion models.

Senior Test Engineer (API) will design, implement, and maintain API contracts and execute contract-based tests. Responsibilities include validating API implementations on Oracle WebLogic Server, integrating tests into CI/CD pipelines, and collaborating with development and DevOps teams. The role requires experience with contract testing tools, Oracle WebLogic Server, and CI/CD concepts.