freelance English-speaking jobs in Covilhã

Ardan Labs seeks a Mid to Senior Golang Engineer with 5+ years of experience, including 3+ years in Golang. Responsibilities include developing, testing, and maintaining Go applications, troubleshooting production issues, and contributing to deployment processes. Candidates should have strong expertise in production-level troubleshooting, microservices architecture, and distributed systems design.

KWAN seeks a Java Backend Developer with 3 to 6+ years of experience in a cross-functional team environment. Requires solid SQL and relational database experience, familiarity with REST API design, microservices, and cloud services (AWS preferred). Must be comfortable in an Agile environment and possess strong problem-solving and communication skills.

Supports the implementation, operation, and continuous improvement of an Integrated Management System (IMS) covering Quality, Environment, Sustainability, Information Security, and Occupational Health & Safety. Collaborates with production, engineering, and external stakeholders to ensure compliance with international standards and support sustainability initiatives.

Leads and manages a team of professionals within the Central Network Operations division, overseeing complex planning and engineering initiatives related to commercial linehaul and network operations. Provides expert advice and guidance at regional and divisional levels, contributing to strategic decision-making.

Client Advisor for Armani corner store in El Corte Inglés, Oporto. Provides excellent customer service, advises on collections, builds customer relationships, and maintains store standards. Requires 2+ years of fashion sales experience, strong communication skills, and passion for fashion.

Senior SQL Developer needed for a data processing project. Develop and optimize complex SQL queries for batch data processing using Spark SQL. Must have 5+ years of MS-SQL experience, strong transactional SQL and relational database knowledge, and experience with CI/CD tooling.

Salesforce Consultant with 5+ years of experience in MuleSoft solution development and architecture. Expertise in Mule 4 API creation, system integration, and microservices development. Experience with API lifecycle management, integration architecture design, and related tools and technologies. Strong leadership, communication, and problem-solving skills.

Le Wagon seeks a Sales Development Representative to guide prospective students through the application process. Responsibilities include outbound and inbound sales, nurturing campaigns, event representation, and student enrollment support. Must be based in Lisbon, fluent in French and English, and passionate about tech and AI.

Market Risk Analyst needed for a leading global financial institution in Lisbon. Produce and validate daily risk indicators, explain complex risk figures, and collaborate with teams to industrialize risk processes. Master's degree in Finance, Financial Engineering, or Computer Science required. Expertise in financial derivatives, SQL, and risk modeling engines is essential.

Manages office services, maintenance, and events. Provides administrative support including scheduling, travel arrangements, and executive assistance. Requires previous experience as an Executive Assistant or Office Manager, a Bachelor's degree, and fluency in Portuguese, English, and Spanish (preferred).

Operations Assistant to coordinate ro-ro & lo-lo operations during vessel calls at the Port of Leixões. Assist with cargo operations, prepare shipment information, monitor operations, and liaise with stakeholders.

Experienced Incident Response Manager needed for contract role supporting EU clients. Lead and coordinate security incident response activities, manage communication, and ensure effective containment and recovery.

Cash Collections Specialist to manage a portfolio of B2B customer accounts (EAMEI), ensuring timely cash collection and minimizing overdue balances. Collaborate with Sales, Customer Service, and Finance teams to resolve disputes and payment issues. Analyze collection trends and report on key KPIs. Requires 2+ years of experience in B2B credit control, accounts receivable, or cash collection, fluency in English & French, and proficiency with ERP systems and MS Excel.

HR Intern to support training plan development, handle administrative tasks, and participate in audits. Assist with HR projects, recruitment activities, and data analysis. Must have a Master's in Human Resources Management, Psychology, or related field and be eligible for the "Estágio + Talento" program.

Support IT Analyst will resolve incidents, manage RITMs, maintain the Silva Service Catalogue, and deliver training on Silva, a ServiceNow-based tool.

Research Scholarship 2026 at Instituto Superior Técnico focuses on BIM-based sustainability assessment tools, including SmartLCA. Selected scholars will contribute to blockchain-enabled circular product tracking, BIM object library integration, and Digital Cockpit BIM development.

Senior Data Scientist to develop AI-driven solutions for a leading technology solutions provider. Responsibilities include building and optimizing machine learning models, designing ML pipelines, and collaborating with cross-functional teams. Requires 5+ years of experience, strong Python skills, and expertise in NLP, Deep Learning, and cloud ML services.

Associate Frontend Engineer will build next-generation web applications with a focus on the client side. Responsibilities include working with UX designers, Backend and Quality Assurance Engineers and Product Managers to deliver features with a high level of quality. The role requires 1+ years of experience in modern JavaScript, HTML5 and CSS web standards, experience with GIT, REST/JSON and agile development, and experience with Angular 2+ (preference for versions v17 or above), typescript and rxjs.

Data Analyst needed to create, maintain, and monitor data pipelines using Apache Airflow. Analyze and interpret data to generate actionable insights. Optimize Python code and SQL queries for performance and scalability. Process large datasets with PySpark and deliver data to users in clear formats. Collaborate with business and technical teams. Requires 2+ years of experience as a Data Analyst, strong Python skills, SQL and Oracle knowledge, and PySpark experience. Fluency in English is mandatory.

Frontend Developer needed for hybrid role. Requires strong JavaScript (ES6+), AngularJS/Angular/React, and experience building complex user interfaces and SPAs. Must have knowledge of microfrontend architectures, RESTful APIs, and version control/CI/CD tools. Fluent English required.