freelance English-speaking jobs in Guimarães

Lead Backend Developer to join Joom Marketplace Solutions. Responsibilities include architecture, Go programming, AWS fault tolerance, and mentoring a backend team. Requires strong algorithm skills and complex project development experience.

Backend Software Engineer to develop and maintain server-side information, focusing on the remote tachograph data download project. Requires strong C# and SQL Server knowledge, and experience with REST/JSON APIs.

Collections Controller for International Intermediary Business (B2P). Own collections, resolve disputes, and manage special billing for global partners. Requires strong Excel skills and English fluency.

Process guest check-ins and check-outs, handle all payment types, and manage guest communications. Coordinate with housekeeping, provide local information, and run daily reports.

Own end-to-end Finance Solution processes as a Global Subject Matter Expert. Drive process improvements, standardization, and technology adoption across GBS operations, ensuring compliance with IFRS and global standards.

Lead the design and implementation of IGA solutions, driving SailPoint IdentityIQ and Identity Security Cloud. Oversee identity lifecycle processes, access certifications, and mitigate identity risks.

Analyze cloud service spending and identify cost optimization potentials. Advise teams on FinOps/DevFinOps and implement CFM guardrails. Requires technical AWS knowledge and financial data analysis skills.

Defect Manager oversees the end-to-end defect lifecycle for SAP projects and rollouts. This role coordinates between teams to ensure defects are analyzed, prioritized, resolved, and closed transparently using tools like Jira.

Drive growth for digital and core acceptance solutions. This cross-functional role connects sales with product/technical teams to tailor solutions, accelerate revenue, and communicate product value.

Accounts Receivable Associate supporting EMEA operations. Responsibilities include billing, collections, payment application, and month-end closing. Requires fluency in English and German, and 3-4 years of relevant experience.

Administer and maintain SQL Server and PostgreSQL databases. Manage cloud platforms like Azure SQL and Google Cloud SQL. Focus on performance tuning, backup, recovery, and data integration for projects involving IoT and security.

French Customer Support Specialist needed for a fast-growing energy sector project. Handle inbound/outbound inquiries, problem-solve, and support sales using digital tools. C1/C2 French fluency and residency in Portugal are mandatory.

Lead the Subscriptions product at Paddle, managing and coaching engineers to scale the recurring revenue engine. Drive technical strategy and delivery for the full subscription lifecycle.

The QPPV is responsible for establishing and maintaining systems to collect adverse reaction information. This role ensures prompt responses to regulatory requests and oversees the safety profiles of medicinal products.

Forward-Deployed AI Engineer to integrate Data & AI expertise into a UAV platform team. Analyze flight/telemetry data, build ML models, and create internal tools. Requires strong Python/SQL skills and experience with AI-assisted development.

Administrative Assistant to support the Lisbon team with organized files, paperwork, and deadlines for consultants advising clients across three markets. Requires administrative experience, accuracy, and proficiency in Word, Excel, and email.

Build end-to-end features for B2B lead lifecycle using AI coding agents on AWS. Own services, deploy, and iterate quickly on lead generation and scoring. Full-stack mindset required.

This role ensures client savings commitments and commercial targets are met by transforming media and financial data into actionable insights. The Lead manages data consistency, performance tracking, and reporting quality across teams.

Experienced Business Development Representative needed to grow international pipeline. Find, engage, and qualify new opportunities with mid-market and enterprise hospitality customers using multi-channel outreach.

Senior Application Support Engineer ensures stability and performance of critical business applications. Responsibilities include technical/functional support, incident management, release coordination, and driving automation. Requires 11+ years in support with strong Oracle SQL and scripting skills.