freelance English-speaking jobs in Barreiro

Recruiter to attract German-speaking candidates for international job opportunities. Responsibilities include sourcing, interviewing, onboarding, and relationship building. Requires fluency in German (C1) and English (B2), a university degree, and recruitment experience.

Lead a team to define and improve the developer experience for a customer dashboard used by major retailers. Responsibilities include dashboard reliability, developer experience tooling, and platform capabilities.

Technical Business Analyst to support payment squads, bridging Product, Technical Leads, and Development teams. Manages team workload, analyzes and refines requirements, and ensures smooth operations. Requires experience as a Business Analyst in a technical environment, understanding of software development concepts, APIs, and integrations, and proficiency in Dynatrace and SQL.

Senior Platform Engineer will design, build, and evolve reliable, scalable platforms for clients. This client-facing role requires extensive experience with AWS and/or Azure, including networking, security, and cost optimization. Proven track record of delivering production-grade systems and supporting mission-critical infrastructure is essential. Experience working directly with clients in a consulting capacity is required.

Provides first-line technical support to internal and external customers via phone, email, and remote access. Resolves routine technical issues and escalates complex problems. Maintains call information in a database and assists with hardware and software configuration. Requires fluency in Czech and professional English proficiency, along with experience in a Service Desk or IT Support environment.

Leads roadside assistance operations in France, Italy, Benelux, and the UK. Oversees emergency service coordination, collaborates with internal and external partners, and handles complex case escalations.

Manage a portfolio of websites, optimizing paid traffic campaigns and on-site experiences to maximize revenue. Deep experience in Google Ads and Meta Ads is required.

Systems Analyst/Tester to support the rollout of a harmonized Finance Operating Model. Translate business needs into technical specifications and contribute to the design and evolution of finance systems and interfaces.

Provide customer support to English and Dutch-speaking customers via phone, email, chat, and social media. Resolve issues, build customer relationships, and contribute to a positive customer care environment.

Senior Project Manager to lead software projects using Agile/Scrum methodologies. Translate product goals into technical tasks, manage sprints, and ensure project delivery. Must have 5+ years of experience in technical project management, a STEM background or strong technical understanding, and fluency in Portuguese and English.

Data Analyst for Technical Customer Services EMEA will analyze product performance data, design dashboards, and support algorithm development. Collaborate with R&D, Quality, and other stakeholders to define training content and provide technical documentation.

AgileEngine seeks a detail-oriented Manual QA Engineer to ensure the quality and reliability of SaaS web products. You will create, document, and maintain test cases, execute manual testing, and analyze bugs. Must have at least 3 years of experience as a manual QA engineer, strong SQL skills, and experience with Jira, Test Rail, and Confluence.

HSS & Signalling Engineer will design, test, and implement new mobile telecom solutions. Responsibilities include network design, capacity management, and integration strategy definition. The role requires experience with GSM, UMTS, LTE, IMS, 3GPP, GSMA, and ITU standards. Must have knowledge of signalling network functions, subscriber data management, and mobile services charging.

Quality Engineer (Tester) will enable full stack solutions through testing, automation, and collaboration. Responsibilities include continuous testing, creating automation scripts, and supporting data and environment configuration. Requires advanced proficiency in Test Execution and Management, Java, Selenium, and Cucumber.

SAP Business AI Architect will drive the strategy, design, and implementation of AI capabilities across the SAP ecosystem. This role requires deep technical and cross-industry expertise, architectural leadership, and strong business engagement skills. Responsibilities include engaging with C-level stakeholders, translating AI concepts into business value narratives, and architecting AI solutions within SAP systems. The ideal candidate will have a Bachelor's or Master's degree in a relevant field, 10+ years of experience in senior technical customer-facing roles, and proven experience as an SAP Architect with expertise in AI, ML, and GenAI.

Senior Software Engineer specializing in Meta's advertising ecosystem, particularly Meta Signals Gateway (MSGW) and Conversion API (CAPI). Designs, implements, and operates high-availability microservices for the Meta SGW product offering. Integrates with Meta's API surfaces and collaborates with product and engineering teams to ensure data compliance and transparency.

Sybilion seeks a Consultant to build and validate forecasting models for process industries. Responsibilities include designing forecasting approaches, evaluating model performance, and operationalizing models into client workflows. Must have 3-7 years of experience in management or client-facing data/analytics consulting with a focus on modeling. Strong Python skills and experience with forecasting evaluation and backtesting are required. Fluency in English and the ability to work in Porto are essential.

Senior Investments Performance Analyst will produce investment monitoring reports for pension funds, including asset allocation, performance, risk analysis, and strategy updates. Responsibilities include collaborating with consultants, validating customer information, and mentoring junior colleagues. Requires fluency in English, a degree in a relevant field, and 3+ years of experience in the investments industry. Strong analytical and Microsoft Office skills are essential.

Leads a team to support technical management of Alpiq Thermal's existing assets, ensuring safe and performing operations. Oversees engineering, project management, and plant upgrades. Provides technical expertise to support decision-making and the strategic growth ambition of the Business Unit.

Supply Chain Execution Consultant will analyze customer requirements, propose solutions, write specifications, and configure and test WMS systems.