freelance English-speaking jobs in Covilhã

Decskill is seeking a Mainframe Developer. Required skills include: Open (Windows, Linux), IAS (Tomcat, Apache), Control-M, CF/Connect Express, Cloud Public (AWS, GCP), Kubernetes (Argo CD), Dynatrace, and ITIL V4 - Server.

Promote Straumann Group's restorative and digital solutions to clinicians and dental laboratories. Drive sales to achieve targets for implant prosthetics, digital equipment, and software.

Design high-converting landing pages and A/B tests for eCommerce brands. Translate CRO strategy into effective designs. Agency experience and a portfolio showcasing conversion-focused work required.

Product Development Technician to assist in developing new products from concept to industrialization. Prepare technical drawings, prototypes, and documentation. Support analysis of technical and functional requirements. Collaborate with various teams and ensure compliance with standards.

Loomtech seeks a friendly, detail-oriented Office Administrator to coordinate daily office activities, manage supplies, and provide support to teams.

Designs, builds, and operates AI capabilities for enterprise applications, integrating LLMs, RAG, and agent-based systems. Engineers AI solutions end-to-end, from data preparation to deployment and monitoring. Collaborates with architects, engineers, and stakeholders to translate business needs into working AI designs. Contributes reusable AI assets and builds with production discipline, ensuring testing, version control, and scalability. Owns small-to-mid AI workstreams and partners with solution architects to integrate AI into broader delivery.

Arabic Digital Marketing Specialist needed for on-site role in Lisbon. Manage customer support for digital advertising products and paid campaigns. Must be native Arabic speaker with B2 English and experience in Paid Campaigns and Digital Marketing or Marketing Customer Support. Valid Portuguese work permit required.

System Engineer with 3+ years of experience in systems administration or DevOps. Experience with CI/CD processes, cloud management (Azure preferred), Kubernetes, Docker, and automation tools (Ansible, Terraform, Helm, Puppet).

Architect and develop scalable web interfaces using React. Optimize web performance and SEO. Collaborate with stakeholders to translate business requirements into technical solutions. Mentor peers and contribute to design systems.

Design, develop, and maintain scalable backend services using Node.js. Build RESTful and GraphQL APIs. Collaborate with teams to deliver high-quality software.

The Source to Settle (StS) Specialist will manage end-to-end StS processes, focusing on Employee Expense Management, Accounts Payable, and Account Reconciliation. The Specialist will support a global BPO partner, ensuring compliance with accounting standards, policies, SOX, and statutory requirements. The role requires a Bachelor's degree in a related field, up to 2-3 years of experience in StS processes, fluency in English, and experience with SAP S/4 HANA.

Senior Digital Marketing Specialist focused on Google Ads optimization for high-value clients. Requires C1 level German, strong analytical skills, and 1+ year of Google Ads experience.

As a Customer Support Specialist, you will provide first-line support to customers via phone, email, and chat. You will own support tickets, identify and report product issues, and follow up with customers. You will also contribute to feature testing, update documentation, and participate in training sessions.

As the Senior Total Rewards Partner, you will design and administer global compensation and equity programs, ensuring they are competitive, scalable, and compliant across all markets. You will manage equity structures, benchmark benefits, and maintain job leveling frameworks. You will also act as a data-driven consultant, providing insights to support talent decisions and ensuring transparency in rewards practices.

Data Analyst will develop and maintain executive dashboards, analyze large datasets using Google BigQuery, and administer procurement tools. Strong experience in data analysis, data visualization, and proficiency in Google BigQuery, Looker Studio, and Google Sheets are required.

Calibration Technician will support and promote quality culture, lead calibrations, train personnel, and handle external calibration contacts. Requires a relevant academic background, minimum 2 years of experience in quality/calibration within a production environment, and fluency in English.

Clinical Biostatistician to develop statistical strategies, sample size calculations, and regulatory-grade data structures for medical device clinical trials. Requires 3+ years' experience in medical device or pharma clinical studies, expertise in SAS, R, or Python, and direct experience with EU MDR, FDA requirements, and ISO 14155.

DevOps Site Reliability Engineer to develop and support Observability capabilities for CiscoIT Datacenter and Cloud environments. Responsibilities include reliability, scalability, automation, and uptime of monitoring solutions. Minimum qualifications include a Bachelor's degree or 5+ years of experience, understanding of IT processes, security, and networking basics, experience with software development tools, and programming experience.

Business Development Consultant needed in Lisbon. Develop new business opportunities, generate leads, and provide consulting support to clients. Must have strong Sales Force skills, experience in business development and consulting, and excellent communication skills.

Customer Support Specialist fluent in Russian to provide in-game support, handle player inquiries, and contribute to process optimization.