1508 English-speaking jobs in Poznań

Senior Fullstack Developer to build a complex iGaming platform using React, Node.js, and Nest.js. Requires 3+ years commercial experience with React, Node.js, and Nest.js, and 5+ years in web development. Must have knowledge of JavaScript, ECMAScript 6, REST, GraphQL, WebSockets, and TDD.

Senior Data Scientist will design and implement data science models to solve business cases for clients. Responsibilities include analyzing datasets, developing data-driven strategies, applying machine learning techniques, and presenting analytical results. Requires 3+ years of experience in data science, statistical modeling, and analytics solution development. Proficiency in Python, SQL, and Power BI is essential.

Senior QA Engineer needed to ensure quality throughout the software development lifecycle for core internal applications. Responsibilities include establishing and executing test plans, undertaking manual testing, developing automated tests, and collaborating with engineers, product stakeholders, and business users.

Experienced engineer needed to design and develop Java-based applications for utility grid software. Responsibilities include building middleware, integration components, and web services for SCADA, DMS, EMS, and OMS applications. Must have experience with Apache products, Java middleware, and integration standards.

Lead QA and Performance Engineering for enterprise-grade AI and LLM solutions. Design comprehensive QA architectures, implement advanced model assessment metrics, and build frameworks for load, stress, and chaos testing. Engineer automated test pipelines and design testing strategies for multi-step AI agents.

Senior Go Developer to design, develop, and maintain high-performance backend services for a smart advertising platform. Experience with system architecture, deployment, and monitoring required. Strong analytical and problem-solving skills needed.

Develop and enhance SAP Fiori and ABAP applications to support business needs. Analyze system issues and collaborate with IT teams to implement solutions.

Senior DevOps CI/CD Pipeline Engineer needed for a leading German solar energy solutions provider. Design, implement, and optimize GitLab Ultimate-based CI/CD environments. Automate deployment pipelines, enhance IT security, and collaborate with development teams. Requires 5+ years of DevOps experience, 2+ years with GitLab Ultimate, and expertise in Terraform, Ansible, Kubernetes, and cloud platforms.

Senior Python Developer to design and deliver data platform capabilities for global healthcare products. Responsibilities include end-to-end data pipeline design, Python development, data modeling, and CI/CD implementation. Requires 5+ years Python experience, Databricks expertise, and Azure cloud knowledge.

The Senior CI/CD Engineer will plan, design, develop, automate, configure, document, deploy, troubleshoot, and maintain CI/CD pipelines for internet interface applications. This role focuses on constructing a modern automated CI/CD pipeline in Azure for consumer and business apps.

Senior .NET Developer to build modern hotel digital experiences across web, mobile, and hardware. Develop .NET backend services, Android applications, and integrations. Experience with WebSockets, RESTful APIs, and Android development required.

Senior GoLang Developers with 4-6 years (regular) or 6+ years (senior) experience are sought. Expert Golang skills (3+ years daily coding), API development (REST, gRPC), Linux/container knowledge, cloud orchestration understanding, and strong teamwork are required.

Senior Backend Engineer with 5+ years of Java experience needed to design, develop, and maintain scalable backend features and services.

Experienced AI/ML Engineer needed to design, develop, and implement AI solutions including LLMs, chatbots, AI agents, and RAG systems. Requires 5+ years of experience in large-scale international environments and proficiency in Python, Node.js, Java, and leading AI/ML frameworks. Must have experience with MLOps tools, cloud platforms, and Agile methodologies. PMLE certification is required.

Senior Backend Engineer to build and enhance services for unstructured data connectivity. Requires 5+ years Python experience, distributed systems knowledge, and familiarity with FastAPI/Flask, Kubernetes, MongoDB, Redis, and gRPC/REST APIs.

As a Senior Software Engineer on the Search Platform Squad, you'll design and build services, pipelines, and tooling that support the full search lifecycle. You'll own and evolve our search infrastructure, focusing on scalability, resilience, and cost efficiency. You will partner with product squads to design search-backed features and act as a consulting partner on search topics.

Senior Software Engineer to develop and maintain a mobile-first enterprise application for iPad. Focus on C#, JavaScript, and hybrid mobile technologies. Requires experience with iOS development, backend APIs, and Agile methodologies.

Technical Consultant / Technical Project Manager needed for a long-term project developing and testing a central Test Data Management Platform (EDG). The role combines technical expertise in cloud, backend, integrations, or databases with coordination, documentation, and consulting.

Experienced Magento Developer needed for a 4-6 week project migrating a Magento 1 store to Magento 2. Responsibilities include reimplementing functionalities, supporting data migration, and contributing to frontend implementation. Full-time availability required.

Design, develop, and maintain frontend applications using Angular for a new analytics platform serving institutional and individual clients. Implement new features, enhance UI components, and integrate with RESTful APIs.