freelance English-speaking jobs in Valongo

Security Engineer specializing in cryptography sought to design solutions for core services and implement Post-Quantum Cryptography (PQC). Must have strong command of security standards, cryptographic mechanisms, and Python scripting.

We are looking for a dynamic and driven Technical Sales Engineer to join our team. In this role, you’ll blend technical expertise with strong commercial acumen to identify customer needs, propose tailored solutions, and drive business growth.

As a Senior Solutions Consultant, you will work with Account Executives to assess prospect challenges, devise solutions, and deliver compelling technical presentations. You will guide prospects through platform evaluations, investigate their technical landscape, and support successful handoffs to Professional Services.

Experienced Senior Medical Writer to lead development of high-quality medical communications materials across immunology, cardiovascular disease, haematology, and oncology.

Leads cybersecurity efforts to safeguard information systems, networks, and guest data. Develops and implements security policies, conducts vulnerability assessments, and manages security systems.

Experienced ERP Consultant or Finance Professional sought for full training in Microsoft Dynamics 365 ERP.

Provide technical and accounting support to German-speaking customers via phone, ticket, and chat. Demonstrate software solutions and identify customer needs. Must be fluent in German (C2) and have strong business English (B2).

Cloud Engineer will design, deploy, and maintain Azure Virtual Desktop (AVD) environments. Responsibilities include automation using PowerShell and Bicep, implementing Infrastructure as Code, monitoring performance and security, and ensuring compliance with best practices. Requires expertise in Azure, AVD, ARM, Bicep, Entra (Azure AD), and PowerShell scripting.

This role focuses on data analysis and reporting within e-commerce logistics, specifically carrier commercial operations. Responsibilities include building and maintaining datasets, analyzing carrier costs and billing data, identifying cost deviations, and communicating insights to stakeholders.

Senior BI Developer specializing in Power BI modeling (3+ years experience with SQL and DAX) to design, develop, and implement BI solutions. Responsibilities include KPI calculations, data analysis, and process improvement. Requires experience with Dax Measures, T-SQL, and Microsoft BI tools. Fluent English required.

Manage and scale Meta Ads campaigns (Facebook & Instagram) with a focus on sales, CPA, and ROAS. Optimize campaigns, analyze creative performance, and manage budgets and creatives.

Keyrus seeks a Data Governance Specialist to support the implementation of the Group's Data Transformation Program, leveraging Microsoft Purview. Responsibilities include supporting data governance practices across the data lifecycle, collaborating with IT and Data Architecture teams, and contributing to the continuous improvement of data governance processes.

Provide functional support for a CLM/CRM platform used in an international banking environment. Diagnose issues, guide users, and ensure platform integration with the core banking system.

Head Chef will oversee all culinary operations at Javá Rooftop, leading a team, ensuring food quality and consistency, and managing kitchen efficiency and costs.

Talent Acquisition Manager to source, attract, and recruit IT professionals. Manage the full recruitment lifecycle, from initial contact to onboarding. Collaborate with hiring managers to understand job requirements and refine candidate shortlists.

Senior QA to ensure software quality across the project lifecycle. Define and maintain a Quality Management System, execute functional tests, and contribute to test strategy and plans. Analyze, document, and improve processes, ensuring compliance.

Client Manager to manage end-to-end project development contracts within the Energy Business Unit. Identify and pursue new business opportunities and establish relationships with stakeholders. Requires a degree in Electrical Engineering, advanced Portuguese and English, project management experience, and experience in power plants, transmission & distribution, or industrial energy solutions.

Design and implement digital logic for ultra-low-power mixed-signal ICs. Develop RTL code using Verilog/VHDL, perform synthesis and timing analysis, and support functional verification.

Senior Investment Analyst to support investment activity including financial modeling, valuation, due diligence, and portfolio monitoring. Requires 3-5 years of experience in Private Equity, Investment Banking, or Corporate Finance with a Finance degree (BSc + MSc). Fluency in Portuguese and English is mandatory.

Finance Products Controller needed for a Global Banking Institution in Lisbon. Ensures accuracy and integrity of financial data within the Capital Markets perimeter. Collaborates with teams to strengthen accounting controls, streamline processes, and improve finance operations.