freelance English-speaking jobs in Barreiro

Lead the statistical strategy for clinical trials of life-saving gastroenterology diagnostics. Design statistical blueprints, translate R&D into data structures for FDA and EU submissions, and collaborate with data and clinical teams.

Support data migration processes, extracting, transforming, loading, and validating data from warehouse management systems. Ensure data quality, accuracy, and security while collaborating with stakeholders.

Cloud & Network Security Consultant leads and manages work streams, designs solutions, and presents to clients. Experience in cloud security controls, network security controls, and public/hybrid cloud architecture is required.

Experienced Cable Technicians needed for long-term data center projects. Install, dress, and secure copper and fiber cabling in live and new build environments. Must have proven data center experience, own tools, and strong recent project references.

Experienced Finance professional to manage day-to-day accounting, financial reporting, cash management, and process improvements for a growing tech company.

Assists in overseeing daily golf course maintenance and agronomy operations, including turf care, irrigation, and equipment upkeep. Supports budgeting, record-keeping, and supervision of a maintenance team.

Inside Sales Agent to expand customer base and boost sales performance through digital-first approaches. Responsibilities include lead follow-up, cold calling, opportunity development, and collaboration with marketing and field sales.

UI Designer needed for fast-growing AI startup in Porto. Design and maintain UI elements, collaborate with product and engineering teams, and improve the Figma component library. Strong Figma skills and experience with design systems required.

Technical Support Engineer for Energy Systems will perform preventive and corrective maintenance on SCADA systems, diagnose and resolve communication failures, and configure new field equipment. Requires a degree in a relevant field and knowledge of industrial communication protocols (OPC, IEC, DNP3, Modbus).

Senior DevOps Engineer will design, implement, and optimize cloud strategies, data strategies, software architecture, and modern DevOps practices. Requires 5+ years of experience in DevOps, cloud technologies, and development in cloud-native environments.

Supports demand generation and pipeline acceleration programs across the UK and EMEA region. Collaborates with sales teams on account-specific marketing activities and industry outreach. Executes multi-channel campaigns and tracks metrics such as MQLs, SQLs, and meeting conversion.

Provide Dutch-speaking support via email, live chat, and in-platform messaging. Diagnose and resolve user issues, ensuring a seamless experience. Communicate clearly and empathetically in both Dutch and English.

Software Engineer will build enterprise-grade B2B software products and platforms. Responsibilities include taking the lead in technical development components, influencing product design, and delivering mature, well-tested software. Requires 4+ years of experience in software engineering, proficiency in Python, and experience with relational and NoSQL databases. Experience with cloud-native software solutions, containers, and Agile software development is preferred.

Real Estate Fund Accountant required for cash flow management, accounting operations, and analysis of company accounts. Must have experience with SCPI and OPCI accounting and proficiency in Excel, Coda, and YourCégid.

Technical Business Analyst for Avaloq projects. Requires a degree in statistics, economics, data science, or related fields, general professional experience in analytical or research roles, and specific professional experience in data analysis, visualization, and evidence-based policy support. Fluency in English is mandatory.

Braze Developer with 6+ years of experience required. Must have proficiency in platforms like mParticle, Braze, Salesforce Marketing Cloud, Tealium, and Segment. Strong understanding of APIs, webhooks, event-driven architecture, and SDK integrations is needed. Experience with AWS cloud infrastructure and DevOps/CI-CD practices is also required. Fluent English required.

Research Fellowship for a PhD student in Biological Sciences. Requires a Master's degree in Biological Sciences and diving certification. Work will involve behavioral experiments, data analysis, and scientific article preparation.

Salesforce Developer to build scalable solutions using Apex, LWC, Visualforce, and APIs. Platform customization, integrations, and CI/CD experience required. Proven experience with Sales Cloud, Service Cloud, and Experience Cloud.

Senior Project Manager / Business Analyst with 5+ years of experience needed. Must have strong understanding of business needs, experience translating requirements into functional specifications, and proficiency in Excel, PPT, Power BI, SQL, and basic Python scripting.

Process & Performance Analyst will define, implement, and monitor KPIs, develop dashboards, and lead process improvement initiatives to enhance efficiency and quality.