freelance English-speaking jobs in Guimarães

Senior Salesforce Developer with 5+ years of experience needed. Must have strong Apex, Visualforce, and Lightning components knowledge. Experience with Salesforce integrations, security, and data modeling is required. Proficiency in English is mandatory.

Backend Developer (Node.js) will integrate cashier systems and platforms for a European payment platform. Responsibilities include developing and optimizing algorithms for data parsing, ensuring system efficiency and reliability, and maintaining a clean codebase. Requires proven experience in distributed backend applications, scalability, and performance optimization.

Account Manager will drive client retention and expansion within a designated Bitsight territory. Responsibilities include developing territory plans, acting as a strategic advisor to clients, and forecasting deals. Requires 2-4 years of Account Management experience, a Bachelor's degree, SaaS experience, fluency in English and French, and previous experience in the French market.

Provide Turkish language support to advertisers for a leading global social media platform. Assist customers via email, chat, and phone calls. Must be fluent in Turkish and English, and have a EU passport or Portuguese resident card.

The International Iberian Nanotechnology Laboratory (INL) seeks a Services and Technology Transfer Officer to identify, develop, and manage industry relationships in the ICT sector. The Officer will lead contract negotiations, coordinate research projects, and represent INL at industry events.

Fluent Italian speakers are sought for Customer Support and Content Moderation roles with international companies in Portugal. Successful candidates will assist customers via phone, email, and chat, and review online content for compliance.

Monitor brand mentions across social media, forums, and online communities. Develop and implement ORM strategies to improve brand perception in LATAM markets. Respond to negative reviews and comments, de-escalating conflicts. Collaborate with marketing, sales, and support teams to address recurring complaints. Prepare reports on brand sentiment trends and reputation KPIs.

Security Platform & Integration Engineer will build and operate security platforms, deliver integrations across the CERT/TI ecosystem, and develop SOAR-based automation. Responsibilities include deploying containerized workloads on OpenShift and Docker, developing CI/CD pipelines, and building SOAR playbooks. Must have strong hands-on experience with Docker & Red Hat OpenShift, Kubernetes concepts, CI/CD pipelines, and scripting (Python and Bash).

The Strategic Project Manager reports to the CEO and oversees the planning, execution, and completion of strategic projects. This role involves identifying and solving critical company issues, working with department heads, and contributing to strategic planning.

Experienced Chief Product & Technology Officer (CPTO) needed to lead product strategy, technology, and engineering operations for a rapidly growing international gaming group.

Provides technical support and leadership in the creation and delivery of data center network solutions using HPE Juniper Networking technologies. Designs scalable, high-performance data center network solutions for enterprise and AI data centers. Leads technical discovery sessions and translates requirements into solution architectures. Develops data center architectures based on spine-leaf topology, EVPN-VXLAN overlays, IP fabric designs, and networking for AI data centers. Builds and executes Proof of Concepts (PoCs) showcasing HPE Juniper Networking solutions. Supports RFP/RFI responses, including technical proposals and solution validation. Acts as a trusted technical advisor to customers and partners. Possesses strong knowledge of data center networking technologies and hands-on experience with HPE Juniper Networking platforms.

Provide operational support for quarterly carbon data collection and validation. Maintain data quality control and support standardized validation checks. Prepare clean datasets for analysis and reporting.

Achieve business results and commercial positioning for Esteve by implementing tactical actions for direct interlocutors, decision-makers, and key influencers. Build and maintain strong customer relationships, leveraging data and insights to define priorities and optimize resource allocation. Communicate persuasively, tailoring messages to different customer profiles and demonstrating scientific expertise.

Head of Delivery Excellence will design and evolve project delivery processes across the company, focusing on clarity, simplicity, and real-world usability. This role will drive the adoption of modern tools and platforms, explore and implement AI for project delivery, and support the development of project managers and technical leaders.

The Customer Operations Analyst will oversee and coordinate billing operations for network access and related services, ensuring regulatory compliance and service levels. Responsibilities include billing, process optimization, KPI tracking, and managing outsourced activities.

Data Integration Engineer Intern will debug, update, and implement client data connections via SFTP, API, and Connector, ensuring seamless integration with Agicap. The role requires understanding client technical needs, translating them into actionable tasks, and utilizing tools like SFTP, API, SQL, Python, and Excel.

Searadar seeks an experienced Head of Customer Success to lead and develop the Customer Success function. This role requires 3+ years of experience in Customer Success, Customer Experience, Operations, or Service Management, with a strong background in the travel industry. The ideal candidate will have proven experience improving customer satisfaction, retention, and service quality metrics. Fluency in Russian and English is required.

Financial Controller needed for international hospitality group. Responsibilities include financial reporting, expense control, invoicing, payroll, and administrative support.

Senior Data Analyst will leverage SQL, Excel, and Power Query to analyze quality indicators, service levels, and cost structures. The role involves pricing analyses, invoice validation, and team training.

Senior Accountant needed for international Shared Services supporting German-speaking markets. Manages AR processes, supports GL and AP tasks, ensures compliance, and collaborates with internal teams.