freelance English-speaking jobs in Maia

Software Engineer to own feature development and collaborate within agile squads. Responsibilities include requirement analysis, code quality assurance, performance optimization, and documentation. Requires 2-5 years of experience, proficiency in Git, and knowledge of relational databases.

Recruiter to manage full recruitment lifecycle for IT and technical profiles in Lisbon, Portugal. Minimum 2 years recruitment experience, ideally in agency, consultancy, or high-volume environment. Must be fluent in Portuguese and English.

RPA Developer with minimum 1 year of experience in Blue Prism development. Must be fluent in English and able to work in a hybrid model (2-3 days/week) from the Lisbon office. Valid work permit for Portugal required.

Experienced Mechanical Project Manager needed for a major data center project in Lisbon. Lead a team of Mechanical Engineers, manage construction, and ensure project delivery to high standards. Requires a Bachelor's degree in Engineering and prior experience leading MEP teams on data center projects.

Lead Linux Kernel Engineer will drive kernel architecture, implementation, and delivery for Ubuntu Linux. Responsibilities include collaborating with partners, mitigating vulnerabilities, enhancing performance, and streamlining packaging. Requires expertise in C programming, *nix-based operating systems, and version control systems.

Product Manager to define product vision, strategy, and roadmap for B2B SaaS/Cloud products. Lead engineering teams, collaborate with cross-functional teams, and prioritize features based on data. Requires 5+ years of experience, strong technical knowledge, and fluency in English.

The Assistant Finance Manager oversees the day-to-day operations of the Finance and Purchasing departments. Responsibilities include managing Accounts Payable, Income Audit, and General Cashier functions, resolving guest billing disputes, and preparing financial statements. The role also involves leading the month-end close process, maintaining internal controls, and supporting the Director of Finance.

Hairdresser needed for luxury residential community. Deliver high-quality hair services, manage appointments, and support salon operations. Requires 3+ years experience in luxury spas, salons, or health clubs, strong guest service skills, and proficiency in English and the local language.

UpHill seeks a People Operations Manager to build and scale HR processes for a rapidly growing healthcare technology company. This role will design and implement performance management, compensation, and talent acquisition strategies, ensuring compliance with employment laws and regulations. The ideal candidate will have experience building HR processes in a fast-paced environment and possess strong communication, data analysis, and problem-solving skills.

Oracle PL/SQL Developer needed with 3+ years of experience developing with Oracle Database. Must have experience with Oracle forms and reports, database modeling, and query optimization. Strong communication and problem-solving skills required. Fluent in English.

Manage and support Cisco networks, including switching, routing, Wi-Fi, ISE, Meraki, and Catalyst. Configure secure Wi-Fi and remote access solutions and administer firewall platforms. Implement Fortinet SASE and support Azure networking components.

One Research Grant - Bachelor within the scope of the SMARTBET H2O project. The successful candidate will contribute to data collection and analysis relating to water quality and urban water cycle. The work will be carried out at the Institute of Engineering of University of Algarve.

Lead Backend Engineer to design, build, and own Python microservices for an insurance platform. Drive architectural discussions, mentor engineers, and champion engineering excellence. Collaborate with cross-functional teams to deliver user and business value.

SYSTRA seeks a Project Controller for a high-profile infrastructure project in Portugal. The role involves document management, cost control, quality assurance, translation, planning control, coordination, technical support, compliance, and reporting. Requires a bachelor's degree, 3-5 years of experience in document control, proficiency in document management software, and fluency in Portuguese and English.

Post-MBA Program at ComparaJa offers a unique opportunity to drive growth in a fast-paced environment. Responsibilities will center around product development, team leadership, brand amplification, and strategic execution. Successful candidates will be highly ambitious, proactive, and possess strong communication and organizational skills. Native or near-native Portuguese proficiency is required.

Cofounder & Managing Director to build and scale AI education company. Own revenue growth, partnerships, operations, and long-term strategy. Proven experience building or scaling a startup, business unit, or community required. Strong commercial mindset and ability to operate in ambiguity.

Senior Data Scientist will build production-grade machine learning models for a leading technology-driven gaming company. This role requires experience with the complete ML lifecycle, from research through production deployment. Candidates should have a strong understanding of machine learning algorithms, experience with Python ML libraries (scikit-learn, pandas, NumPy), PySpark for distributed data processing, and software engineering best practices. The ideal candidate will have a proven track record of delivering machine learning models to production environments with real users and business impact.

Senior Data Platform Engineer to develop and maintain data pipelines for blockchain data processing. Requires 8+ years of software engineering experience, strong Python and SQL skills, and experience with data lakes, warehouses, and databases. Blockchain knowledge is a plus.

Design and develop cross-platform mobile and web applications with a focus on usability and performance. Build and maintain SDKs, contribute to technical requirements, and develop real-time communication features. Integrate apps with cloud platforms and collaborate with teams to ensure end-to-end functionality.

Junior Salesforce Marketing Cloud Consultant to provide technical and functional support on Salesforce Marketing Cloud. Configure, maintain, and support automated campaigns and customer journeys. Collaborate with technical, CRM, marketing, and IT teams.