freelance English-speaking jobs in Valongo

Develop and execute global SEO, GEO, and localization strategy to boost organic growth and visibility. Optimize performance across the B2B SaaS funnel, driving lead generation and revenue. Requires 3-4 years of SEO experience and proficiency with tools like GA4 and SEMrush.

Senior QA Engineer for Unreal Engine & Simulator development. Responsible for QA processes, methodologies, and team management. Requires 3+ years testing Unreal Engine apps and experience with agile projects.

Senior Operations Engineer ensures stability and monitoring of critical production environments. Responsibilities include managing Control-M workflows, troubleshooting incidents, and supporting secure file transfers. Requires Linux/Windows experience and cloud knowledge.

Seeking an experienced IT Manager to oversee all technology operations, including hardware, software, and network systems. Responsibilities include team management, policy development, and budget oversight. Requires a Bachelor's degree and 5+ years in IT management.

Drive growth and demand for an AI-first company by running outreach campaigns to property owners and sourcing service providers. This role involves prospecting, sales support, and marketplace operations.

International Product Manager for Heat Pumps. Drive expansion and optimization of Air-to-Water heat pump portfolio. Requires 3-5 years in HVAC product management and global stakeholder experience.

Lead Cyber Defense operations as Deputy CISO, reporting to the CISO. Own daily security performance, incident command, and compliance execution across a global telecoms environment. Requires 10+ years in cybersecurity.

SAP Finance Data Specialist ensures financial master data quality and integrity. Responsibilities include validating data requests, executing maintenance flows, and performing root cause analysis on data issues. Requires 4+ years of SAP Master Data experience.

Develop C++ software for intelligent automotive systems, focusing on Occupant Monitoring Systems and AI-driven solutions. Transform ML models into efficient, production-ready embedded software.

Senior Data Analyst focused on Anti-Money Laundering. Requires a Master's degree and 3-7 years in data analytics, using SQL and R. Responsibilities include analyzing large data volumes and leading small teams on financial crime projects. Fluency in Portuguese and English is mandatory.

Senior Product Owner to lead product direction for a software platform controlling hardware devices. Own roadmap, backlog, and delivery across teams, translating needs into executable plans in a regulated environment.

Audit Assistant Associate role supporting international clients in Private Equity and Real Estate. Responsibilities include assisting with audit engagements, preparing deliverables, and applying accounting standards. Requires a Master's degree and fluency in English.

Accountant handles daily operations, including transaction recording, A/P, and A/R. Responsibilities involve preparing financial statements, tax calculations, and supporting fiscal analysis for real estate and business structures. Requires knowledge of accounting principles and Portuguese tax regulations.

Senior Python Engineer to design and build production-grade software on the Nitro Automate Platform. Own the full development lifecycle for REST APIs, AI document processing, and workflow automation.

Sales Assistant at Sacoor Brothers provides personalized customer service and support. Responsibilities include customer monitoring and store operational support. Requires 12th grade/degree, 3+ years experience, and English proficiency.

Enterprise Account Executive to drive revenue by owning the full sales cycle with large organizations. Requires 7+ years in B2B SaaS sales, including 2+ years closing new business into enterprise accounts.

Research Fellowship available for Master's degree holders in Physics or related fields. Focus on developing an optical system for microbiological applications and ocular safety. Requires knowledge of adaptive optics and proficiency in software like Zemax and Matlab.

T-SQL Developer needed to perform T-SQL queries and develop Sybase Stored Procedures. Responsibilities include developing Linux shell scripts, Level 3 support, and technical documentation. Requires analytical problem-solving skills.

Cybersecurity Program Analyst role requiring experience in governance, maturity assessments, or IT risk. Responsibilities include deploying evaluation processes, assessing evidence, and communicating security requirements to stakeholders. Strong analytical and communication skills are essential.

As Expeditor, ensure timely delivery of materials by coordinating with suppliers, monitoring shipment schedules, and mitigating delays. Responsibilities include tracking orders, maintaining communication, and resolving delivery issues.