intern internship English-speaking jobs in Mafra

Senior SAP Consultant needed for a 3-6 month freelance contract. Expertise in SAP HR (HCM), SAP FI, and ABAP required. Responsibilities include troubleshooting, system integrations, and supporting critical HR and Finance processes in ECC and S/4HANA environments.

Senior Backend Engineer to design, implement, and maintain scalable backend systems for a consumer dating platform using Kotlin and AWS. Drive projects from architecture to production delivery, collaborate with cross-functional teams, and mentor junior engineers. Requires 5+ years of backend Kotlin experience, 2+ years with cloud environments (AWS preferred), and experience with CI/CD pipelines, containerization, and infrastructure-as-code.

Strategy Intern will develop long-term plans, analyze market trends, and contribute to corporate development opportunities at TAP.

Inside Sales Specialist will build and manage customer relationships, identify sales opportunities, and close deals. Fluency in German and English is required, along with sales experience and strong communication skills.

System Simulation Engineer needed for a global team in Amadora, Portugal. Define and optimize L1 algorithms, model functions in link level simulators, and contribute to L1 architecture. Requires a Master's degree in a relevant field, strong programming skills in MATLAB, and a solid understanding of L1 algorithms.

CAD Designer needed for EPC Engineering department. Responsibilities include implementing BOQ and installation details for photovoltaic and BESS projects using CAD and PVCase software. Preparation of technical drawings for project phases. Minimum 3 years AutoCAD experience required.

Provides on-time input to client projects in the life sciences field. Assists with analysis, problem solving, and solution development. Performs quantitative and qualitative analyses and assists in developing client deliverables.

This internship provides exposure to the operations of a TJX Buying Office. Assist Merchandise Assistants with purchase orders, vendor communication, and report creation. Support Style Out and Strategy meetings and participate in special projects.

This role ensures quality oversight of supplier products and supply chains, including project management, compliance with GMP, regulatory requirements, and internal Grünenthal standards. Responsibilities include managing Technical Quality Agreements, change control, deviation management, and complaint management. The role also involves auditing external suppliers, monitoring supplier performance, and collaborating with internal stakeholders.

Marketing Intern to support the Dutch team in optimizing and localizing advertisements and developing marketing strategies. Must be fluent in English, Dutch is a plus.

IT Support Specialist needed for a fast-paced environment. Experience in service desk, Computer Information Systems, MAC and Windows configurations, and Microsoft Endpoint Configuration Manager (MECM) required. Knowledge of Google Suite, Atlassian products, VPN configuration, networking, and WiFi configuration is also needed. Must be able to communicate in English and work fully on-site.

Lead AI Engineer to design and develop LLM-powered solutions including classification, extraction, summarization, and action orchestration. Build and optimize data pipelines for model training and deployment. Collaborate with engineering, data, and MLOps teams to ensure scalable and reliable production deployments.

Data Engineer with 3+ years of experience in cloud-native solutions and data architecture. Experience with Microsoft Fabric, Azure Data Factory, Synapse, or comparable technologies. Strong programming skills (SQL, Spark, Python) and understanding of ETL/ELT workflows.

SAP SD Consultant to collaborate with clients, analyze, design, and implement SAP SD solutions within the S/4 HANA environment. Requires experience in at least two complete project lifecycles as an SAP SD Consultant with expertise in S/4HANA and knowledge of SAP SD/MM integration.

Senior Medical Writer leads projects, prepares documents according to SOPs and customer requirements, and provides guidance to junior staff. Requires 7+ years of experience in regulatory writing, including CSRs, CTDs, and protocols.

Manage and grow leads, contact prospects, and explain affiliate programs. Build relationships with partners. Fluency in Polish and Portuguese required.

The IT Crisis & Resilience Manager safeguards the Global IT organization's resilience and continuity. This role develops, governs, and enhances IT operational resilience, ensuring critical IT functions remain available during and after disruptive events. Responsibilities include leading global initiatives, orchestrating key management disciplines, designing training programs, and driving continuous improvement of IT crisis and resilience capabilities.

HR Trainee will monitor training indicators, support operational processes, assist with internal events, and participate in communication projects. Requires a bachelor's or master's degree in HR, Psychology, Sociology, or a related field, intermediate English skills, and proficiency in Google Sheets.

Develops and implements robust AI architectural solutions. Aligns strategies with organizational standards and identifies dependencies for seamless integration.

Lead the technical direction of mobile products, defining and driving the mobile technical roadmap for iOS and Android. Own code reviews, design sessions, and technical discussions. Translate engineering tradeoffs into business-friendly language.