freelance English-speaking jobs in Guimarães

Systems Administrator to administer and maintain Microsoft infrastructure environments including Active Directory, Exchange, and Office 365. Manage user accounts, permissions, and access controls. Troubleshoot and resolve issues related to Cisco wireless networks and TCP/IP connectivity.

Application Security Engineer to execute and support Application Security and Secure SDLC activities. Focus on vulnerability analysis, secure code reviews, threat modeling, and security control validation in cloud-native financial services environments. Requires experience in application security, DevSecOps, or cybersecurity with knowledge of OWASP Top 10, Secure SDLC principles, and security testing tools.

Software Engineer to design, develop, and deploy scalable web solutions for satellite payload control systems. Collaborate in an agile, international environment using SCRUM methodologies.

As an HR Business Partner, you will partner with GBS Stream Leads and Team Leaders, supporting workforce planning, talent retention, and organizational development. You will also develop and execute the Europe GBS internal communication plan, manage digital communication channels, and organize regional events.

UX/UI Designer – Mid-level / Senior Consultant will design end-to-end digital experiences, transforming user insights and business needs into functional, accessible and visually engaging interfaces. Collaborate in the design of end-to-end digital experiences, from research and discovery to prototyping and final interface design. Conduct UX research activities, including user interviews, surveys, friction-point identification, opportunity mapping and usability testing. Define and design information architecture, user flows, wireframes, interactive prototypes and visual interfaces. Ensure visual consistency, usability and the application of digital accessibility principles across different products and experiences. Create, use and contribute to design systems, brand guidelines and reusable design components. Prepare clear, structured and visually consistent deliverables and presentations to document and communicate project outcomes. Participate in client meetings, collaborative sessions and workshops. Work closely with multidisciplinary teams, including service designers, consultants, developers and client stakeholders. Contribute with a critical mindset, going beyond initial requests to identify user needs, business opportunities and improvement areas.

Senior Java Spring Boot Developer sought for highly scalable distributed systems. Requires 4-6 years of Java experience, including API development and experience with Spring Boot, relational and non-relational databases.

Cloud Automation Engineer will develop and document cloud architecture solutions, collaborate with the cloud architecture team, and assist in maintaining cloud security and compliance.

Develop and maintain custom Teamcenter business logic, extensions, and integrations. Build and customize workflows, user interfaces, and data processing utilities. Requires experience with Teamcenter PLM, C/C++, Java, SOA services, REST APIs, XML/XSLT, SQL, and workflow customization.

Service Delivery Trainee to support the Central Securities Depository, focusing on issuance and corporate actions. Assist with registration and cancellation of securities issues and support the management of corporate actions. Contribute to the development and implementation of automated services.

Translate strategic direction and demand into product strategy and portfolio, owning and evolving SCM products in Supply Planning and Purchasing. Manage product backlog, define functionalities, and coordinate with IT and stakeholders.

Leads daily operations of Customer Care teams for Canada and Australia, ensuring KPIs, quality standards, and service levels are met. Oversees escalations, collaborates with Tier II, manages and enhances processes, and drives continuous improvement initiatives.

Provides medical expertise in evaluating safety data from various sources for product safety risk management. Determines medical and scientific relevance of adverse event reports and participates in signal detection activities. Supports activities such as preparing aggregate safety reports and evaluating safety issues. Requires a medical degree and minimum 3 years of experience in industry, academia, or patient care settings. Direct pharmacovigilance experience and knowledge of Good Clinical Practices are preferred. Excellent communication and Microsoft Office skills are required.

The Customer Operations Analyst will manage debt portfolios, prioritize cases, and contact clients to facilitate debt settlement. Responsibilities include monitoring legal proceedings, preparing cases for litigation, and identifying process improvement opportunities.

The Head of Governance & Digital Architecture for Grid Technologies defines the strategic roadmap for digital services, oversees the project portfolio, and drives change management initiatives. Leads a team across IT Architecture, Cyber Security, Data Enablement, and Change Management. Establishes and enforces technology standards, collaborates with business leaders, and champions digital transformation. Requires extensive experience in IT strategy, architecture, portfolio management, and digital transformation.

Lead Data Scientist will work across functions on projects including R&D and automation. Translate client requirements into solutions, ideate and develop product innovations, and define and own the roadmap for R&D and prototyping. Build statistical and analytical models, including ML/AI approaches, and test and optimize them.

Configure and administer the ServiceNow platform, including modules like Incident, Problem, Change, CMDB, Knowledge, and Service Catalog. Manage user access, roles, and groups while ensuring system health and stability. Collaborate with stakeholders to implement ServiceNow solutions and document configurations.

Brand Manager will develop and execute brand plans for the Portuguese market, manage marketing activities, and lead product launches. Requires 5+ years of FMCG marketing experience, strong analytical skills, and fluency in Portuguese and English.

QA Engineer needed for web application testing. Design, implement, and execute manual and automated test plans. Experience with Playwright and Selenium required.

Leads operational excellence initiatives across Fulfilment, driving process improvement, standardization, and automation projects. Collaborates with cross-functional teams to design and implement processes that improve operational performance and customer experience. Maps and analyzes existing fulfilment processes, identifying inefficiencies and opportunities for harmonization and standardization. Manages multiple process improvement projects, ensuring clear scope definition, stakeholder alignment, timely execution, and measurable outcomes. Develops process documentation, standard operating procedures, and process maps to support operational consistency and continuous improvement. Facilitates workshops, process discovery sessions, and stakeholder meetings to gather requirements, align priorities, and support change adoption. Drives process automation initiatives by identifying repetitive manual activities and collaborating with technical teams to implement scalable solutions.

Leads a team focused on expanding Bitsight's ability to detect compromised systems globally. Develops and deploys malware emulators, trackers, and crawlers to collect infection telemetry. Drives research into complex C2 communication channels and owns victim intelligence data quality.