intern internship English-speaking jobs in Lubusz Voivodeship

Lead research and development in optoelectronic devices at the Łukasiewicz Institute of Microelectronics and Photonics in Warsaw. Requires a PhD and 5+ years of experience in semiconductor/optoelectronics R&D, including cleanroom and project leadership.

Dutch-speaking customer service agent needed for a remote, freelance role. Handle inbound calls, emails, and chat inquiries in Dutch, manage orders, process returns, and provide product information. Previous customer service experience, native Dutch fluency, and good English skills required.

Data Entry Operator needed for a fixed-term position at Alstom in Nadarzyn. The role involves entering maintenance data into SAP GSI, managing databases, creating service requests, and supporting system users.

Growth Marketing Manager will own the marketing strategy and drive product-led growth across the entire funnel. Responsibilities include launching experiments, improving trial-to-paid conversion, running paid acquisition initiatives, and uncovering growth opportunities using analytics tools.

Leads a team of analysts and subject matter experts, overseeing client projects, ensuring quality outcomes, and fostering a collaborative environment. Manages team performance, development, and workload planning.

Senior Data Scientist to design, develop, and scale AI/ML solutions with a focus on Generative AI. Experience with NLP, LLMs, and RAG systems required. Collaborate with cross-functional teams to deliver production-ready solutions.

Provide technical support to customers via phone or email. Fluent in French and English (C1 level) required.

Leads global PR strategy for SOFTSWISS, a global iGaming technology provider. Develops and executes international PR campaigns, builds media relationships, and manages crisis communication. Requires 5+ years of PR experience, leadership skills, and advanced English.

Addepto seeks an AI Solution Architect to design and deliver AI strategies for enterprise clients. This role involves leading the design of end-to-end AI architectures, evaluating AI frameworks and tools, and supporting decision-making processes for AI solutions. The ideal candidate will have experience with AI applications, modern AI technologies, and AI cloud platforms.

Provide customer service via phone and email, prepare commercial offers, and support sales with order handling. Requires secondary or higher education, experience in sales or related fields, and knowledge of accounting and ERP/CRM systems.

Guest Experience Associate will handle reservation inquiries, provide property information, assist with travel arrangements, and ensure positive customer experiences. Fluent German and good English are required.

Senior TypeScript/Node.js Developer will design and implement high-performance microservices within a serverless AWS architecture. Responsibilities include API design, FinOps optimization, and ensuring tenant data separation. Requires 7+ years of experience as a Back-End Developer with expertise in TypeScript, Node.js, AWS serverless technologies, and AdTech domain knowledge.

ServiceNow Developer with ServiceNow Customer Service Management (CSM) expertise needed for implementation, enhancement, and support. Requires ServiceNow Certified System Administrator (CSA) certification and hands-on experience with CSM module configuration and support.

Senior Software Engineer will develop C#/.NET desktop application for optical transceiver testing, integrate hardware, and write Python test scripts. Requires 5+ years of C#/.NET experience, strong concurrent programming skills, 3+ years of Python experience, and knowledge of MongoDB.

Supports Meeting Manager or Event Manager with attendee coordination and meeting logistics. Collaborates with a designated internal team to coordinate projects and admin processing for Delegate Management. Requires fluency in Swedish and mid-level English.

Overview Senior Product Designer | Viator The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences.

Senior Product Manager will oversee AI-first developer experience, including AI-assisted development, agentic workflows, and automated operations. Responsibilities include crafting product strategy, understanding engineering and customer needs, and leading product development from inception to delivery. Must have experience in software development lifecycle, agile methodologies, and data analysis.

Senior Fullstack Developer will build and enhance a Developer Experience Portal using Node.js and React within a Zero Trust security environment. Responsibilities include designing UX/UI solutions, building automation workflows, and collaborating with teams. Strong Node.js and React skills, Backstage.io experience, and UX/UI design experience are required.

Develop and execute a training program for the Customs department, ensuring team members achieve service level agreements. Conduct system and process training, identify training needs, and monitor staff competency. Must have a degree, 2+ years of relevant experience, custom house brokerage experience, and fluency in English and Polish.

Lead a global platform team, setting technical direction for a high-performance platform supporting a fast-moving product. Modernize the stack, consolidate legacy systems, and become AI-native across engineering. Deep expertise in distributed systems, microservices, and developer experience is required.