freelance English-speaking jobs in Guimarães

Embedded Software Engineer needed for high-impact projects in Automotive/Smart Factories. Requires 1+ year experience in C for bare-metal/RTOS systems, developing algorithms, and using protocols like SPI, I2C, or CAN.

Sales Representative for Reddit identifies and researches potential clients to generate new sales opportunities. This role involves outreach via email, phone, and social media to promote Reddit's advertising solutions. Requires C1-C2 English fluency and at least one year of B2B sales experience.

Own the e-commerce strategy and conversion roadmap for a growing beauty and wellness brand. This hands-on role requires Shopify expertise, CRO experience, and the ability to connect acquisition traffic to revenue.

Experienced Integration Supervisor needed for a large-scale data centre project. Coordinate MEP, architectural, and telecoms integration, oversee site activities, and manage subcontractors. Electrical Engineering qualification and fluent English are essential.

Senior Product Owner for a fast-growing European AI company building an agentic AI platform for insurance. This hands-on role translates product strategy into technical requirements, owning the backlog and driving delivery with engineering teams.

Generate and validate short-term electricity load and surplus generation forecasts. Maintain and develop forecasting models using Python and time series knowledge. Requires 3-8 years of experience, SQL, and Power BI proficiency.

Provide high-level administrative and operational support to the General Manager. Manage calendars, correspondence, travel, and documentation while acting as a key liaison between stakeholders. Requires strong organization and discretion.

Seeking a Ukrainian speaking Interpreter for a full-time remote role. Responsibilities include rendering concepts between Ukrainian and English across Insurance, Legal, and Medicine industries. Requires native/fluent Ukrainian (C1) and fluent English (B2).

Design AI solutions for rail applications, clarifying business needs and creating target designs. Ensure architecture quality, scalability, and security while collaborating with technical and business teams.

Senior Backend Java Engineer for a contract role focusing on iGaming Operator Integrations. Develop scalable services using Java 17+ and Spring Boot, building robust REST APIs and event-driven integrations. Requires strong distributed systems knowledge and automated testing skills.

Account Manager to develop and grow Clarks' wholesale business in Portugal. Manage existing retail customers, open new accounts, and build strong commercial relationships. Requires 5+ years of wholesale sales experience, existing retailer relationships, and a full driving license.

Data Engineer to build and enhance digital services within a SCRUM team. Responsibilities include maintaining cloud data platforms, developing batch/real-time pipelines, and ensuring data reliability. Requires a degree and 2+ years of experience.

Principal AI Engineer for a global EdTech scale-up. Own end-to-end agentic AI systems, including prompt design, multi-agent workflows, and production deployment. Requires 5+ years shipping production AI systems and EdTech experience.

Provide customer support to Arabic-speaking customers via phone, email, and live chat. Respond to inquiries, assist with product information, orders, billing, and technical support. Fluency in Arabic and good English skills required.

Appian Developer needed to design, develop, and maintain applications using the Appian BPM platform. Requires 3+ years of Appian experience and Appian Certified Associate Developer certification.

Provide German-speaking customer support via phone and email for Nikon products and services. Must be native or fluent in German (C2) and have advanced English (C1) skills.

Consultant to drive growth by delivering solutions for country compliance, change, and employee engagement in Portugal. Partner with leaders to consult, develop, and execute People & Culture plans.

Account Executive to own the full commercial cycle in Portugal and Spain, driving expansion into Latin American markets. Requires 2+ years in B2B consultative sales, technical depth, and fluency in Portuguese and advanced Spanish.

Factory HRBP responsible for building and implementing HR strategy and people practices for the Porto Alto Factory. This role ensures global policy application, manages personal costs, and drives talent development.

Senior DevOps Engineer needed with 5+ years experience in Python, Kubernetes, AWS, and Terraform. Focus on CI/CD, containerization, and Infrastructure as Code. English B2+ required.