freelance English-speaking jobs in Guimarães

Supports the Financial Planning & Analysis team in budgeting, forecasting, and performance analysis. Prepares variance analysis, collects and consolidates financial data, monitors costs and investments, and collaborates with stakeholders.

Design and develop avionics hardware for autopilot systems, including schematics, PCB layouts, and test infrastructure. Translate system requirements into hardware solutions, ensuring compliance with DO-254 standards. Lead board bring-up, environmental qualification, and hardware validation. Collaborate with firmware, flight control, mechanical, and production teams.

Senior Digital Marketing Consultant will implement optimization solutions, build campaigns, analyze data, and create reports. Requires native German and fluent English, 2+ years Google Ads or DV360 experience, and knowledge of digital marketing tools. Must be detail-oriented, analytical, and able to work independently and collaboratively.

Manage CRM campaigns, execute omnichannel strategies, and analyze data to optimize performance. Coordinate campaign cycles, manage communication assets, and provide operational support to CRM users.

As a Unified Systems Operator, you will monitor, control, and maintain cutting-edge systems across Kyndryl's infrastructure. You will provide innovative solutions to technical and business challenges, ensuring seamless operations and acting as a trusted advisor to customers.

As a Waiter/Waitress, you will provide excellent customer service, take orders, deliver food and beverages, and ensure a positive guest experience. You will communicate with guests, kitchen staff, and management to fulfill orders accurately and efficiently. Previous experience in a similar role and fluency in English are preferred.

Senior Cloud Engineer will design, build, and maintain cloud infrastructure. Responsibilities include architecting cloud solutions, implementing security measures, and monitoring system performance. The role requires strong technical depth, problem-solving skills, and collaboration with cross-functional teams.

IT Developer with 4+ years of experience in software development, specializing in MS Access, VBA, and SQL. Must have strong analytical and problem-solving skills and fluency in French (B2/C1).

Senior Forward Deployed Engineer will own end-to-end customer outcomes, design and ship agent systems on the Agentforce platform, and resolve technical blockers.

Our partner is looking for a Head of Risk & Fraud based in Portugal. This is a senior leadership role responsible for safeguarding trust across a high‐scale digital marketplace with millions of active users. You will define and execute the end‐to‐end fraud and risk strategy, balancing growth enablement with strong protection against financial and behavioral abuse.

Neotalent Conclusion seeks a .NET Application Support to ensure the reliability and performance of critical systems. Responsibilities include analyzing tickets, monitoring application performance, developing automation solutions, and collaborating with development and QA teams.

Application Security Engineer will handle technical security matters, support ISO 27001 compliance, and advise employees on security best practices. Responsibilities include integrating security into product features, ensuring the security of the web application, conducting security assessments, and managing security incidents.

Bioreactor Technician to operate and maintain fermentation bioreactors, producing bacterial and fungal inocula. Responsibilities include executing inoculations, monitoring fermentation parameters, and supporting downstream processing. Requires 4+ years of hands-on experience operating fermenters and a BSc or MSc in a related field.

Provides on-site IT support for desktops, laptops, and peripherals. Installs, configures, and maintains hardware and software. Performs IMAC activities, troubleshooting, and hardware/software repairs. Supports printer setup, network printer installations, and AV support. Documents incidents, resolutions, and maintains knowledge base articles.

Build and operate streaming and batch data pipelines for market, trading, and portfolio data. Design and evolve the Keyrock Data Platform, including data contracts, schema evolution, and data governance. Develop derived analytics and work with a team to shape the platform's standards and culture.

Associate Consultant will support bids, account plans, projects, and client engagements through research and analysis within the Organizational Strategy Practice.

Product Owner for a national telecommunications project. Define product vision, roadmap, and priorities. Manage product backlog, write user stories, and facilitate agile processes. Coordinate with development, UX/UI, architecture, and testing teams.

Provide end-to-end technical support for UCaaS and SaaS platforms. Diagnose, triage, and resolve complex telecom and service issues within SLA. Manage customer cases to resolution using structured support processes.

Performance Marketing Specialist to execute and scale global paid media programs across channels like LinkedIn, Google, and Meta. This hands-on role involves campaign building, optimization, and cross-functional collaboration to drive engagement and achieve ROI.

Leads payment strategy and operations for Joom Group, analyzing financial flows, negotiating with payment partners, and launching new payment methods globally.