freelance English-speaking jobs in Maia

QA Consultant to execute functional, regression, and exploratory tests. Identify and report defects throughout the development lifecycle. Validate data using relational databases and collaborate with development, product, and business teams in Agile environments.

Marketing Trainee to support go-to-market strategy for established brands and biosimilars in Northwest Europe. Assist with promotional material creation, campaign management, and performance reporting. Coordinate with sales teams and contribute to project coordination.

Production Technician carries out production operations, prepares materials, ensures product quality, and maintains a clean and organized workstation.

Data Scientist needed with a degree in an analytical field and 2+ years of experience. Must have scripting experience with Python and packages such as NumPy, SciPy, Pandas, Scikit-learn, matplotlib, and tensorflow/pytorch. Experience with Java, Scala, or Spark is required.

Director of Technology & Innovation for Global Business Services and Global Corporate Affairs. Defines and drives digital and emerging technology strategy, partnering with senior leaders to align roadmaps with business outcomes.

Technical Security Analyst to analyze security reports, identify vulnerabilities, and assess remediation plans for a national project. Requires 3+ years of cybersecurity experience, knowledge of attack concepts, and fluency in English.

Institutional Sales Manager to acquire and develop relationships with major global clients. Requires 4-7 years of experience in sales and client services with an international financial background. Strong communication and relationship management skills are essential. Fluency in English and a native language is preferred. Passion for crypto is a plus.

Provides HR administration and transactional support, including employee inquiries, policy information, and data management. Collaborates with HR departments and ensures compliance with local labor laws and company policies. Requires a degree in Human Resources Management, Business Administration, or a related field and at least 2 years of experience in a similar role. Fluency in English and German is preferred.

Lead and scale an integrated fiduciary and regulatory control framework for specialized strategic operations. Ensure high-growth initiatives meet fiduciary integrity and protection standards.

Provide customer support to high-level clients via chat, email, and phone. Assist with the self-serve advertising platform and troubleshoot technical issues. Fluency in French and proficient English required.

Sales Distribution Executive responsible for managing wholesalers and distributors within the On trade channel. Requires experience in FMCG sales, strong negotiation skills, and proficiency in English and Portuguese.

Market Risk professional to set up and run quantitative risk controls on FX and derivatives, focusing on market risk and its impact on clients and the bank. Analyze, review, and report market metrics, sensitivities, and stress tests. Collaborate with Investment Services, Financing Solutions, and Relationship Managers.

Nimber seeks a Vulnerability Management Specialist to strengthen the Security team. The role involves executing security testing, analyzing vulnerability assessments, and reporting findings to technical teams. The ideal candidate will have strong communication, analytical, and organizational skills.

Trainee Civil Engineer to participate in the design and development of industrial roads and platforms for energy projects. Responsibilities include contributing to earthworks, drainage systems, and road layouts, preparing technical drawings, and collaborating with multidisciplinary teams. Bachelor's degree in Civil Engineering required. Fluency in English and experience in the energy sector is a plus.

Guest Experience Experts provide a memorable and unique stay for guests by handling check-in/check-out, addressing requests, and sharing local information.

As a Product Manager, you will contribute to the company's product strategy and optimize for impact while driving the development and delivery of new product features. You will collaborate with scrum teams and stakeholders from various departments to incorporate diverse requirements into our products.

Senior Controller to support closing activities, monthly cost analysis, and preparation of management reports. Requires 4-5 years of experience in controlling, auditing, or finance, SAP knowledge (preferred), and advanced Excel skills.

Experienced bilingual English and Portuguese primary teacher sought to co-teach and lead English instruction. Collaborate with Head Teacher, plan and deliver engaging lessons, and support student-centered learning.

Research Fellowship (BI) at REQUIMTE to study enzymatic stability of peptidomimetics and peptide analogues. The fellowship involves HPLC and LC-MS analysis and antimicrobial activity evaluation.

Senior Sales & Account Manager will develop and execute sales plans to achieve revenue targets. Manage key accounts, build client relationships, and identify new business opportunities in the iGaming industry. Requires 3+ years of sales and account management experience, at least 1 year in iGaming, and fluency in English.