intern internship English-speaking jobs in Castelo Branco

Design and implement scalable, high-performance, and secure solutions focusing on Microservices architecture, Event-Driven Architecture (EDA), and Cloud-first strategies. Guide the adoption and implementation of cloud platforms (AWS, Azure, GCP) to optimize cost, performance, and scalability. Provide expertise in designing and building solutions based on Microservices and EDA.

Quality Control Technician to support the QC team, review supplier compliance, and manage product development and quality approval processes.

Lead AI Engineer will design, build, and integrate LLM-powered features (classification, extraction, summarization, actions) into production systems. Responsibilities include optimizing model performance across various hardware, creating data pipelines, and defining evaluation metrics.

Quality Engineer to develop and implement testing strategies for digital products and applications. Responsibilities include designing test plans, creating test cases, performing manual and automated testing, and collaborating with development teams. Requires a degree in IT, Computer Science, or a related field, experience as a Quality Engineer, and proficiency in automation testing tools like Selenium.

FrontDesk Master seeks a hands-on Commercial Lead to own growth across sales, marketing, customer success, and revenue. Manage a small sales and customer success team, oversee pipeline generation, and run marketing activities. Strong hotel tech and ideally hostel experience required.

Senior Mainframe Developer to design, develop, and maintain complex mainframe applications. Experience with COBOL, JCL, IDMS, and DB2 required. Troubleshoot technical issues and support system integration and database optimization.

Develop and implement lesson plans for young children. Assess and monitor student progress. Provide a safe and nurturing learning environment. Communicate with parents and guardians.

ERP Finance Analyst needed for a retail company's new IT Hub in Portugal. Requires 6+ years of experience in ERP implementation, specifically finance management modules, with SAP S/4HANA experience preferred. Must have strong analytical, communication, and problem-solving skills.

Sales Manager will own the full sales cycle for a green tech startup focused on circular economy solutions. Responsibilities include lead generation, deal closure, and developing sales strategies. Requires 4-5 years of B2B SaaS sales experience, ideally in a startup environment, with a proven track record of closing deals with mid-to-large enterprises. Fluency in English and Spanish is required.

Experienced Front Office Manager needed to lead a team in a 5-star Lisbon hotel. Ensure seamless guest experiences, align with luxury service standards, and collaborate with Housekeeping. Minimum 3 years experience required, including international exposure and fluency in English, Portuguese, and Spanish.

Avaloq Developer will design, develop, and maintain Avaloq core banking functionalities. Responsibilities include implementing business requirements using Avaloq Script, PL/SQL, and Parameterization, customizing Avaloq modules, and collaborating with teams to deliver solutions.

Project Manager will partner with business leaders to define project scope, elicit and document requirements, and assess feasibility. Lead the delivery of complex IT solutions, manage project plans, risks, and dependencies. Translate business needs into functional specifications and ensure solutions meet success criteria.

Lead Web Designer to deliver high-quality digital experiences. Combines design leadership, technical oversight, project delivery, and people management. Requires 7+ years of UX/UI experience, proficiency in Figma, and understanding of HTML, CSS, and React. Experience managing teams and establishing delivery processes is essential.

Marketing Intern will support global and local marketing initiatives, including performance marketing, product marketing, brand marketing, and influencer marketing.

Human Capital Project Specialist will coordinate the annual performance management cycle, facilitate collaboration, and support Talent & Culture projects. Requires 3-6 years of experience in project management, HR, or related fields. Strong project management, analytical, and communication skills are essential. Fluency in English is required.

SAP Business Intelligence Specialist to develop, maintain, and improve reporting solutions using BW/4HANA, SAC, and Power BI. Analyze requirements, design data models, and support BI projects.

Accounts Payable Specialist to join a growing finance function. Responsibilities include processing invoices, managing shared mailboxes, running reports, and collaborating with stakeholders. Requires a degree in Finance, Accounting, or related field and experience in Accounts Payable. Fluency in English and Portuguese is required.

DevOps/Platform Engineer to design, implement, and maintain cloud infrastructure for a Group Data Platform. Responsibilities include building CI/CD pipelines, managing AWS workloads, and collaborating with data, development, and architecture teams. Requires experience with Terraform, CloudFormation, Jenkins, GitLab, Docker, and AWS services.

Architect with 5-10 years of experience in railway projects is needed to supervise construction, coordinate with teams, and prepare documentation. Proficiency in Revit and AutoCAD is required.

Designs, builds, and operates the ML Ops / LLM Ops pipeline for production ML / LLM traffic. Responsibilities include ingestion, storage, slicing, classification, failure surfacing, and regression alerting. Requires experience building and operating data or ML platform systems, ML / LLM evaluation systems, and PII redaction in production. Strong Python proficiency and understanding of how ML and LLM systems fail are essential.