freelance English-speaking jobs in Covilhã

Senior Full Stack Developer to design and develop robust solutions using .NET, C#, React, and Angular. Will apply DDD and Microservices Architecture principles, write high-quality code, and collaborate with cross-functional teams.

Senior UX/UI Designer will own end-to-end design of product features, translating user and business needs into scalable solutions. Responsibilities include creating user flows, mockups, prototypes, conducting user research, and collaborating with product and engineering teams.

Production & Batch Operations Engineer (L2) ensures operability, stability, and performance of solutions in RUN/OPEN environments. Responsibilities include batch scheduling, production monitoring, incident management, and continuous improvement.

Accounting & Tax Senior Officer will provide bookkeeping, tax compliance, cash management, and statutory reporting services to an international client portfolio. Requires a University's Degree in Economics, Finance, Business Administration or similar, Certified Accountant certification, and 4 years of experience in Accounting & Tax firms or consulting companies. Must have excellent communication skills in English and Portuguese and proficiency in MS Office and local accounting ERPs.

Sales Development Representative (B2B) will identify and research commercial and industrial prospects in Switzerland, initiate contact, qualify leads, and schedule meetings. Must be fluent in Swiss German and English with strong communication skills.

Lead a team of developers crafting solutions using Agile methodologies and your deep understanding of the SDLC. Manage product life cycle, gather and refine requirements, and collaborate with development and business stakeholders. Must have 8+ years of enterprise experience supporting Agile development teams and a software engineering background.

Sales Assistant to support the sales team in Lisboa. Responsibilities include customer engagement, coordinating sales activities, managing client inquiries, and providing administrative support.

Provide exceptional customer service to German-speaking clients via phone, email, and chat. Resolve customer issues and maintain accurate records.

Travel Customer Service Representative provides support to clients throughout their travel journey. Responsibilities include responding to inquiries, assisting with bookings, providing travel information, and ensuring client satisfaction.

This role performs general brokerage tasks, assesses import package rates, and prepares customs arrangements. The position requires fluency in Portuguese, practical Microsoft Office knowledge, and problem-solving skills.

Staff Frontend Engineer to lead the design, development, and maintenance of multi-platform web and responsive mobile interfaces and systems. Responsibilities include leading a team of developers, troubleshooting platform issues, and providing technical guidance. Requires 7+ years of experience as a Tech Lead or Staff Software Engineer with a focus on frontend, in-depth knowledge of React and TypeScript, and experience with cloud-based architectures (AWS and GCP).

Leads performance and strategic development of external logistics partners (carriers and 3PLs). Manages SLAs, KPIs, and performance improvement plans. Monitors network KPIs and drives continuous improvement initiatives.

Senior Automation Engineer to design and implement Infrastructure as Code (IaC) solutions for Microsoft Fabric components on Azure. Requires Terraform, PowerShell/Python, Azure DevOps/GitHub Actions, and AZ-900 certification.

Side is seeking a Part-Time Russian Player Support Advocate to provide top-tier support to gamers. Responsibilities include resolving customer queries, troubleshooting technical issues, and ensuring a positive customer experience. Fluency in Russian and English is required, along with strong communication and problem-solving skills.

Freelance peer reviewers with a PhD/MD and two recent publications in blood disorders are needed to assess manuscript originality, study design, literature review, results, and provide constructive feedback.

Provide functional support for Unit4 ERP across one or more modules. Assist users by analyzing issues, proposing solutions, and ensuring system stability. Collaborate with internal teams to understand business processes and functional needs.

Cleo is seeking a Senior Product Analyst for Legal, Compliance & Policy. This role focuses on surfacing and scaling insights to support regulatory strategy, compliance operations, and policy development. The analyst will partner with Product, Engineering, and Data to translate complex questions into actionable insights.

The Global Account Director will manage the selling of the Sovos Tax Compliance Platform for assigned prospects and accounts. Responsibilities include generating new business opportunities, developing account-based commercial strategies, and delivering profitable revenue growth. The role requires a proven track record of selling SaaS solutions to large multinational organizations and the ability to present to C-Suite executives.

The Sous Chef will assist the Executive Chef in managing kitchen and stewarding teams across multiple properties. This role focuses on supporting project execution, driving consistency, and ensuring the delivery of high-quality food and exceptional guest experiences.

Cybersecurity Cloud Engineer to support and improve security posture of Microsoft Azure environments. Focus on cloud security fundamentals, identity, architecture, and risk mitigation.