freelance English-speaking jobs in Barreiro

Develop and maintain Appian applications, including process models, interfaces, and integrations. Collaborate with business analysts and stakeholders to gather and understand requirements. Troubleshoot and resolve technical issues.

Experienced UI Developer to design, develop, and implement engaging user interfaces for web or mobile applications. Expertise in HTML, CSS, JavaScript, and modern JavaScript frameworks (e.g., React, Angular, Vue.js) required.

Senior Buyer specializing in logistics (freight, warehousing, distribution) for global clients. Manages full tender lifecycle, supplier evaluations, negotiations, and contracts. Requires fluency in French and English, 5+ years of experience in logistics procurement, and strong negotiation skills.

Digital Marketing Manager to generate leads for an AI collaboration platform. Develop and execute lead generation strategies across paid, organic, social, and email channels. Requires 2+ years B2B marketing experience and proficiency in paid advertising tools.

Junior Salesforce Marketing Cloud Consultant to provide technical and functional support on Salesforce Marketing Cloud. Configure, maintain, and support automated campaigns and customer journeys. Collaborate with technical, CRM, marketing, and IT teams.

Experienced finance professional needed for interim role at growing VC-backed tech company. Responsible for financial reporting, cash management, and process improvement. Must be a qualified accountant with experience leading financial reporting and treasury in a growing business.

Apprentus seeks motivated saxophone or bass/double bass teachers to provide private lessons to students of all ages and levels.

Software Engineer to design, implement, and maintain high-quality solutions for the Snyk API and Web team. Will work on building out DAST and bridging the gap between SAST and other products. Requires 3+ years of commercial experience as a Software Engineer, proficiency in Go, TypeScript, or Python, and experience with software systems design.

This is a maternity leave cover position for a Client Relations Manager in Portugal. The role involves managing client documentation, partnership agreements, and compliance matters while fostering strong client relationships. Responsibilities include overseeing client-related documentation, supporting the sales process, and enhancing the company's reputation through client feedback.

Microsoft Dynamics 365 Business Central Consultant to design, implement, and optimize enterprise solutions. Responsibilities include solution configuration, consulting, delivery, collaboration, and platform expertise. Requires 3-5 years of experience in Dynamics 365 Business Central and Dynamics NAV with deep functional expertise in Finance, Supply Chain, and Manufacturing modules. Excellent communication and stakeholder management skills are essential.

Data Engineering & Analytics Manager to design, develop, and deliver enterprise-grade Business Intelligence solutions on the Microsoft Data Platform.

Senior Android Developer to design, develop, and maintain high-performance Android applications using Kotlin, Jetpack Compose, and Android Jetpack. Requires proficiency in RESTful APIs, UI/UX design principles, and CI/CD pipelines.

BI Developer to implement ETL processes, analytics, and reporting within a regulated framework. Requires SQL Server, ETL experience, and strong analytical and problem-solving skills.

Support the planning, coordination, and delivery of data and analytics projects. Work with PMs and cross-functional teams to ensure smooth communication and project success. Lead smaller projects with guidance and progress to larger projects over time.

Unity 2D Developer (Mid-Level) to implement dialogue systems, combat systems, and backend integration for a Dark Fantasy RPG. Requires 4+ years of Unity 2D experience in commercial projects, strong C# knowledge, and experience with game system architecture and performance optimization. Basic Portuguese communication skills needed.

SYVANTECH seeks a Junior Java Developer with a solid understanding of Java fundamentals, object-oriented programming, and experience with Spring Boot or similar frameworks. Familiarity with relational databases, Git, and build tools is required.

Lead and mentor data scientists, designing, developing, and overseeing GenAI, deep learning, and machine learning models with a focus on NLP and LLM applications.

Manages IT projects from launch to Go-Live, ensuring on-time, on-scope, on-cost, and on-quality delivery. Implements agile project teams, manages risks and opportunities, and ensures effective communication with customers. Requires a Bachelor's degree in Information Systems Technology or Engineering, Master's preferred. 5+ years of experience in strategic and/or program procurement, IT project management, and stakeholder management. PM tools, PMP certification, and value stream management experience are beneficial. Fluency in English is required, additional languages are a plus.

Inetum seeks a Junior Banking Operations professional for banking projects. Requires a Bachelor's/Master's degree in a relevant field, fluency in English, advanced Microsoft Office skills, and strong communication and teamwork abilities.

Senior Functional Analyst to join IT & Digital team in insurance/financial services. Experience in functional analysis, requirements elicitation, and customer journey mapping required. Agile mindset and experience with tools like JIRA and Confluence are essential.