freelance English-speaking jobs in Maia

Leads the development of market intelligence, search, AI assistants, logistics optimizations, and AI for engineering within the JoomPro team. Requires strong algorithmic skills, proficiency in programming, experience in machine learning, and leadership experience.

Project Manager to plan, coordinate, and manage energy projects (power plants, transmission & distribution, raw materials, industrial energy). Requires a Bachelor's or Master's degree in Electrical Engineering, advanced English proficiency, 5+ years of experience, and project management expertise.

B2B Sales Representative to build client relationships, promote products/services, and achieve sales targets across international markets. Fluent Spanish and proficient English required. Proven B2B sales experience and strong communication skills necessary.

QA Lead to define test plans, execute manual and automated tests for OutSystems apps, APIs, and integrations. Implement and maintain automated test scripts, integrate tests into CI/CD pipelines, and ensure adherence to quality standards. Collaborate with developers and product teams, track quality metrics, and mentor junior QA team members.

Leads a team of Sales Development Representatives in EMEA to generate qualified sales opportunities and develop talent for internal promotions. Requires experience leading SDRs at a fast-growing tech company, driving pipeline through inbound and outbound channels, and a strong sales acumen.

Binance seeks Customer Service Representatives to provide support via ticketing systems and live chat. Responsibilities include handling customer queries, complaints, and identification approval processes. Requirements include a college degree, fluency in Portuguese and advanced English, and at least one year of customer service experience.

Supports client press and communications activities, including press fleet management, reporting, and media relations. Manages vehicle bookings, prepares press materials, and monitors media coverage. Requires a university degree in a related field, experience in the automotive industry, and proficiency in Portuguese and English.

Software Developer will translate business requirements into functional specifications and solution designs. Collaborate with technical teams to align functional outcomes with technical deliverables.

Develops and deploys AI and ML solutions for personalized clinical care. Focuses on end-to-end AI treatment management systems and building an AI Care Specialist. Requires deep expertise in production ML systems, LLM experience, and preference optimization.

Business Analyst Expert needed for a national project. Responsibilities include representing Finance, identifying process improvements, drafting user stories, and supporting change management. Requires proven experience, deep understanding of financial processes, data-driven decision making, and proficiency in Excel and related tools. Fluency in English is mandatory.

Data Scientist specializing in Computer Vision, NLP, and Deep Learning to build smart ML models using various data types. Experience with Python, PyTorch or TensorFlow, Docker, and CI/CD required.

Reviews, assesses, and reports on process compliance. Analyzes quality issues, recommends improvements, and collaborates with teams to enhance quality performance. Conducts calibration with client counterparts and operating teams. Provides expertise on Tier 1 workflow policies and procedures.

Develop and maintain SAP Analytics Cloud reports and data models, leveraging SAP BW and integrating data from multiple sources. Interpret SQL queries, analyze data, and create documentation. Minimum 3 years of relevant experience required. Fluent in Portuguese and English.

Develop protection automation and control (PAC) algorithms and applications for power systems. Design, implement, and test software for real-time embedded systems using C/C++.

The Senior CX Manager serves as a technical advisor and strategic partner to Talkdesk's largest customers. This role drives business outcomes by leading product adoption, overseeing technical initiatives, and ensuring customer success. Responsibilities include technical enablement, customer success program ownership, risk management, and data-driven value realization.

The School Administrator will manage financial accountability, including monitoring accounts, incomes, and expenses. Responsibilities include budget preparation and control, personnel management, and ensuring compliance with financial policies and procedures.

.NET Software Engineer to maintain and expand the TX Platform, a system processing millions of CVs and jobs daily. Responsibilities include development, deployment, and operational tasks in an agile environment. Requires 3-5 years of .NET experience, DevOps knowledge, Kubernetes, and cloud experience.

Social Media Manager to build and scale a global brand's social media presence in a new market. Proven track record of growing social media channels, strong content portfolio, and on-camera presence required. Native Portuguese and fluent English essential.

Treasury Analyst supports Front Office transaction management and accounting. Responsibilities include payment processing, trade settlement, bank reconciliations, and reporting. Requires experience in a corporate treasury environment, strong analytical skills, and proficiency in Microsoft Excel.

Housekeeping Manager needed for maternity cover. Oversee daily operations across multiple buildings, ensuring high standards, optimizing resources, and supporting projects. Previous housekeeping coordination experience and fluency in English and Portuguese are required.