freelance English-speaking jobs in Valongo

Senior Hardware Engineer with a passion for technology and innovation. Strong background in Electrical Engineering or Computer Science, microelectronics, and mixed-signal IC concepts. Proficient in Hardware Test and Characterization, Python, Verilog, and Matlab. Excellent troubleshooting and debugging skills.

Regional Marketing Manager for Microbiology conventional solutions (VITEK 2, ETEST, PPM, COPAN) in EMEA. Develops and executes regional marketing strategies, adapts global frameworks, and supports launch management. Requires 3-5 years of IVD marketing experience, ideally in Microbiology diagnostics. Fluent English, additional European languages a plus.

Advises high-net-worth and ultra-high-net-worth clients on ultra-luxury residential and investment properties in Portugal. Manages relationships with international private clients and investors, sources exclusive properties, and leads negotiations. Requires significant experience in luxury real estate and an established HNWI/UHNWI network. Fluent English is mandatory, additional languages are advantageous.

Business Analyst with at least 3 years of experience required. Must have strong communication skills, fluency in English, and experience writing user stories based on mockups. Experience with Agile/Scrum and Design Thinking methodologies is preferred. Knowledge of Jira and/or Confluence is valued.

HR Payroll Specialist supports payroll services and related processes, ensuring monthly payroll cycle tasks using SAP. The specialist ensures legal obligations are met and collaborates with HR Business Partners and other teams. Requires a degree in Organizational Human Resources Management or related field, fluency in English, and SAP experience.

Infrastructure Project Manager needed with a Bachelor's degree in IT or related field and 3+ years of experience delivering infrastructure projects. Strong knowledge of System Administration, Databases, Networks, Information Security, and Cloud is required. Experience with Agile and Waterfall methodologies, budget management, and risk mitigation is also necessary. PMP certification is a plus.

Designs, develops, and executes automated and manual test cases for OSS/NMS applications. Validates REST APIs, SOAP services, and JMS-based integrations. Performs database validation and data consistency checks.

Provides technical service and IT support, customer implementation, and training for TerumoBCT instruments and platforms. Performs installations, maintenance, and repairs, and coordinates with sales and product specialists on software interfaces. Requires 5 years of experience as a Field Service Representative and IT support in a medical device environment. Must have a high level of knowledge in IT infrastructure, networking, databases, and interconnectivity. Fluent in English and the local language, with Spanish being an asset.

Support the accurate preparation and filing of Insurance Premium Tax returns for a portfolio of clients. Validate client data, assist in confirming tax amounts, and help create accurate tax returns. Build positive relationships with clients and internal teams.

Lead SAP FI Implementation and coordinate a team. Requires 6+ years of experience.

Mechanical Engineer needed for a project in Portugal. Design and manage complex mechanical systems, collaborate with electrical teams, and ensure compliance with technical standards.

Talent Acquisition Specialist will source and deliver urgent hires globally, focusing on contract recruitment. Responsibilities include partnering with Customer Success, coordinating interviews, creatively sourcing candidates, and managing talent databases. Requires 2+ years of experience recruiting technical roles, including contract positions, and strong understanding of software development and engineering roles.

Legal & Compliance Specialist will collaborate with business teams to manage legal obligations, review contracts and materials for compliance, and provide legal counsel throughout the product lifecycle.

Lead Analytics & Growth Strategy for crypto clients. Own analytics infrastructure across Mixpanel, Amplitude, GA4, and Web3 tools. Translate data into actionable marketing insights and build dashboards. 3-5 years experience in product or growth analytics required. Mixpanel proficiency and fluency in KPIs/OKRs essential.

Mobile Intelligence Engineer will reverse engineer Android applications to extract technical and product insights. Responsibilities include analyzing obfuscation techniques, identifying architectural changes, and building tools to automate analysis workflows. Requires 2+ years of experience in Android reverse engineering, mobile security research, or low-level mobile development. Strong understanding of Android internals and Java is essential.

Talent Specialist - Learning & Development will implement and monitor the Belron Group's Talent Management framework. Responsibilities include leading performance management cycles, designing and delivering training programs, and driving leadership development initiatives. Requires a degree in a related field and 3+ years of HR Development experience. Fluent English is mandatory.

Support MoonPay's customer onboarding and ongoing due diligence processes, ensuring compliance with internal policies and global AML/CTF regulations. Conduct KYC and EDD reviews, assess financial crime risk, and collaborate with Compliance, Fraud, and FIU teams.

We are seeking a Cloud Architect to design and define cloud architecture solutions, monitor and manage cloud applications, lead cloud migration initiatives, and provide architectural guidance to development teams.

Principal Game Designer for Mob Control will own the product's vision, execution, and strategic direction. Responsibilities include designing features, evolving gameplay, collaborating with teams, and leveraging player insights to improve retention, engagement, and monetization. Requires 5+ years of experience in mobile midcore games with a proven track record in gameplay design, balancing, and meta feature design.

The Assistant Restaurant Manager supports the Restaurant Manager in overseeing daily restaurant operations across all meal periods. This role ensures service reflects the ME brand standards, leads and motivates the team, and contributes to the restaurant's financial and operational success.