freelance English-speaking jobs in Valongo

Senior Marketing Manager will develop and execute centralized EMEA marketing plans, manage marketing operations, track performance metrics, and lead event execution. Requires strategic planning, data analysis, and event management expertise.

Contract Analyst manages the contract lifecycle, ensuring accuracy, compliance, and seamless processes. Responsibilities include drafting, reviewing, and administering contracts, coordinating signatures, and collaborating with internal and external stakeholders. Requires 2+ years of experience in detail-oriented work, strong communication skills, and proficiency in Microsoft Office, CRM, and project management systems. Fluency in English and French is mandatory.

Account Manager to lead business development and strategic marketing for a performance marketing agency specializing in iGaming. Manage clients, drive sales, optimize campaigns, and represent the brand at industry events.

Technical Support Engineer provides phone, email, and on-site support for inverters and energy storage products. Diagnoses and troubleshoots issues, collaborates with internal teams, and conducts technical training. Requires a Bachelor's degree in a related field, strong technical aptitude, fluency in Portuguese and English, and a valid driver's license.

Fullstack Mobile Developer to design, build, and maintain complex mobile systems for a large-scale fintech product. Requires 5+ years of software development experience, strong Fullstack skills with a focus on Mobile, and hands-on experience with Kotlin Multiplatform (KMP).

DevOps Engineer – Mobile will design, implement, and maintain CI/CD pipelines for iOS and Android mobile apps. Responsibilities include automating build, test, and deployment workflows, managing cloud infrastructure, and optimizing mobile app performance. Requires 3+ years of DevOps experience with mobile app pipelines and automation, proficiency with mobile CI/CD tools, and experience with cloud platforms.

Founding BDR Outreach Lead to build and scale outbound, BDR, and growth engine for an AI forecasting startup. Responsibilities include building account lists, identifying buyers, running outbound campaigns, and generating qualified opportunities. Requires experience in early-stage startup growth, opening conversations with senior B2B buyers, and turning complex products into simple commercial messages.

Leads the planning, coordination, and delivery of transformation initiatives within the GBS Transformation Factory. Manages scope, milestones, resources, risks, and interdependencies across multiple workstreams. Coordinates multi-disciplinary Agile squads and ensures delivery to time, quality, and value.

Technical Support Specialist will provide technical support to users, clients, and partners. Responsibilities include troubleshooting smart locker system issues, providing support to field teams, and documenting solutions. Requires fluency in English, 2+ years of technical support experience, and knowledge of computer hardware, IoT, TCP/IP networks, and operating systems.

Head of Medical & Scientific Affairs needed for a dynamic pharmaceutical company. Requires a Medical Doctor with experience in Medical Affairs, Clinical Development, or medical leadership. Strong scientific expertise and business acumen are essential.

CloudOps/Systems Engineer to monitor systems, administer Active Directory, and support Windows/Linux VMs across cloud and hybrid environments. Experience with Azure, Terraform, PowerShell, and monitoring tools required.

Multi-Site Maintenance Engineer will oversee maintenance operations for two hotels in Portugal. Responsibilities include performing preventive and corrective maintenance, managing maintenance teams, developing maintenance schedules, and ensuring compliance with safety and regulatory standards.

Noxus is seeking a Partnerships & Field Marketer to build and run partner-led and field-led marketing programs for a category-defining AI company. This role involves planning and executing field programs, creating campaigns to build trust with senior buyers, and working with partners to generate qualified pipeline and accelerate deals.

Senior .NET Backend Developer to build modern, cloud-native solutions. Requires 4+ years of experience in Backend Development with .NET Core, ASP.NET Core, RESTful APIs, and Microservices Architecture. Experience with Azure Cloud Services and CI/CD pipelines is essential.

Leads the end-to-end product strategy and roadmap for Salesforce-based platforms, ensuring alignment with revenue growth and go-to-market objectives. Translates business priorities into structured product initiatives with clear delivery outcomes and KPIs. Drives product delivery within a SAFe Agile environment and leads the full Lead-to-Opportunity lifecycle. Manages and develops a team of product managers and analysts.

Lead frontend software analysis and UI/UX implementation for scalable, responsive web applications. Architect, build, and maintain applications following industry best practices, with a focus on component-driven design and reusability. Implement unit and end-to-end testing. Collaborate with backend engineers, business analysts, and product owners.

Financial Markets Analyst needed for documentation of equities, indices, commodities, currencies, and ETFs. Requires 1+ year of experience and a degree in Economy, Finance, or Banking.

Business Development Representative to identify new business opportunities for CELUS Design Platform. Develop sales strategies, manage sales pipelines, and convert leads into sales wins.

Senior Frontend Engineer will design, develop, and deliver key applications, including Nitro Workspace and Nitro Sign. Responsibilities include collaborating with a team to design solutions, implementing automated tests, and staying up-to-date with front-end development trends.

Data Analyst will analyze historical data to identify trends and performance drivers, translating insights into actionable recommendations. Responsibilities include designing algorithms, analyzing customer ticket data, and collaborating with engineers and product managers to embed data insights into the development lifecycle. Requires proficiency in Python, data analysis libraries, and version control.