freelance English-speaking jobs in Valongo

System Engineer needed for R&D team to deliver grid-compliant electrical architecture for BESS plants. Responsibilities include power conversion and grid integration, electrical system design, and technical documentation. Requires a degree in Electrotechnics/Electrical Engineering and 2+ years of experience.

Lead and participate in development activities, design and maintain back-end solutions using a microservices architecture. Drive codebase improvement and oversee the migration from a monolithic application to a serverless microservices architecture.

Strategic HR Business Partner role supporting GBS Stream Leads. Responsibilities include workforce planning, talent management, and leading multicultural internal communication and employer branding. Requires 6-8 years of HRBP experience and fluency in Portuguese and English.

Customer Credit Analyst supports credit operations across European markets. Responsibilities include analyzing credit settings, identifying risks, and ensuring compliance. Requires a Finance degree and fluency in English.

Data & AI Consultant leverages ML and AI to solve operational challenges. Responsibilities include building forecasting models, managing LLM pipelines, and developing vector search solutions using Python and Snowflake. Requires 3-5 years of relevant experience.

VP of Sales & Revenue to lead revenue across PT, ES, and UK for an enterprise AI platform. This player-coach role requires closing strategic SaaS deals while developing the sales team.

Design and build scalable data architectures for Vantage Towers' data lake and analytics landscape. Define end-to-end solutions for data ingestion, transformation, storage, and consumption across platforms. Enable AI/ML use cases by defining data access patterns and curated datasets. Lead technical design reviews and guide external vendors.

Lead People Operations for the EU team, owning delivery, quality, and team growth. Advise senior leaders on sensitive people topics while shaping the future of People Operations through platform management and AI adoption.

The Financial Controlling & Reporting Manager ensures financial accuracy through robust controls and reporting. This role leads financial analysis, supports business decisions, and manages a team of finance professionals.

Associate Director, Security Architect, will ensure secure operation of global IT infrastructure by developing Cybersecurity safeguards. Responsibilities include leading Zero Trust and cloud security deployments across Azure and AWS.

GCP/Power BI Data Analyst needed for a financial services project. Requires 3-6 years experience, GCP proficiency, Power BI/SSIS expertise, and knowledge of Python/SQL. French (B2+) and English fluency are mandatory.

Lead global paid search strategy across multiple platforms, manage a team, and optimize multi-million dollar budgets. Experience in iGaming is essential, as is expertise in campaign structure, automation, and performance reporting.

Manager It Consulting requires 5+ years in Information Systems management. Lead large-scale digital projects, manage teams, and drive business development. Must be fluent in French and proficient in English.

Creative Director to define and oversee brand identity across all channels. Generate creative concepts for campaigns, social media, and brand activations. Lead creative production, including photo and video shoots.

Mathematician with Python needed for freelance AI training projects. Tasks include designing math problems, evaluating AI solutions, and validating calculations using Python (NumPy, Pandas, SciPy). Requires a math degree and 3+ years of experience.

Senior Accounts Payable professional needed for GBS. Responsibilities include invoice flow monitoring, payment processing, and vendor statement reconciliations. Requires 5-10 years in Finance/Accounting and advanced English.

Intensive, full-time program for recent Master's graduates to launch an IT Consulting career. Participants gain hands-on training in business development, client relations, and communication. Successful completion may lead to a Business Manager role at InnoTech.

Senior Robotic Startup Specialist to deploy robotic assisted surgical therapies in EMEA. Responsibilities include developing training plans, driving technology adoption, and supporting system integration. Requires a Bachelor's degree and fluency in Portuguese and English.

Art Lead to guide the artistic vision for iGaming campaigns, focusing on human stories and high-end aesthetics. Lead creative teams, oversee photo/video production, and ensure assets meet global campaign standards.

Senior Software Engineer to build and maintain scalable backend services for a Talent Operations platform. Requires 5-6+ years experience with Java, Spring Boot, React, Microservices, and AWS, plus daily use of AI coding tools.