freelance English-speaking jobs in Maia

As a Continuous Improvement Senior Specialist, you will measure and monitor performance across Kantar Business Services, leading diagnostic reviews to identify improvement opportunities. You will partner with senior leaders to define CI priorities and facilitate problem-solving workshops.

Dynamics 365 CRM Developer with a focus on the Sales module needed for a long-term transformation program. Design, develop, and customize solutions, collaborate with functional teams, and build integrations using Power Platform tools.

Senior Developer needed for a national project. Responsibilities include analyzing legacy applications, implementing code in various technologies, and maintaining and troubleshooting code. Requires proven experience in Java frameworks, SOA programming, and web application development. Fluency in Portuguese and English is essential.

Lead the technical direction of a user analytics platform, architecting and delivering backend systems for product analytics workloads. Define the technical roadmap, bridge product needs with technologies, and mentor senior engineers.

IT Helpdesk Engineer to provide 1st and 2nd line support for a remote-first global user base. Experience supporting Microsoft 365 applications and infrastructure, Windows, Microsoft Intune, and common desktop software is required. Must have excellent written and verbal English skills and experience with ITSM tools.

Full Stack Developer sought for remote project. Requires 5+ years experience, proficiency in Angular, PHP, Node.Js, and Google Cloud Platform (App Engine). Must have strong database knowledge, understanding of design patterns and SOLID principles, and excellent problem-solving skills.

Develop and support hardware and software test systems for automotive electronics. Analyze test data, create dashboards, and collaborate with development teams to resolve test-related issues. Prepare technical documentation and support audits.

Creative Strategist needed for performance ad programs on Meta, TikTok, YouTube, Amazon, and Display Platforms. Must have 3+ years of experience in performance ad creative strategy, short-form video, and static ad design. Requires a portfolio showcasing performance ad work with data-driven results. Strong Figma and Adobe Creative Suite skills are essential.

Experienced mobile application Product Designer needed for a globally recognized client. Collaborate with cross-functional teams to define product requirements and specifications. Create wireframes, prototypes, and user flows to communicate design ideas. Must have 5+ years of experience and a strong portfolio of app-related projects. Excellent knowledge of Figma and strong communication skills are required.

Junior Talent Acquisition (IEFP) internship supporting full recruitment cycle, including resume screening, candidate outreach, and interview scheduling.

Accounts Payable Specialist will handle day-to-day accounts payable operations including invoice processing, account reconciliation, and payment discrepancy resolution. Requires strong attention to detail, organizational skills, and understanding of accounting principles.

Junior Business Analyst to analyze kiosk, app, and web performance data for Burger King, Popeyes, Firehouse Subs, and Tim Hortons brands. Build dashboards, support A/B testing, and communicate findings through reports and presentations. Requires 1-2 years of experience in business analysis, digital performance, or eCommerce analytics.

Support AWS Cloud Infrastructure using IaC tools (Terraform/CloudFormation), Windows infrastructure, including Active Directory & PKI, and interface with users for support. Create scripts, tools, frameworks, metrics, processes, and documentation to support Platform Operation needs. Participate in a 24/7 on-call rotation and support the implementation and administration of information security policies and technologies.

Experienced Game Graphic Designer/2D Artist needed to develop and finalize game graphics from concept to implementation. Must have a strong eye for detail, passion for high-quality assets, and proficiency in Adobe Illustrator and Photoshop. Collaborate with designers and developers to ensure visual standards and contribute to innovative game projects.

Senior Frontend Developer needed for a project in Porto. Requires 5+ years of software development experience, strong Angular and/or TypeScript proficiency, and fluency in English. Familiarity with Java is a plus.

Manage and grow client relationships while overseeing advertising campaign delivery. Act as the primary point of contact, ensuring campaigns meet quality standards and deadlines. Collaborate with creative, media, and production teams to translate client needs into actionable briefs.

Software Engineer will design, build, and maintain automated systems to analyze asset packages for security and quality. Responsibilities include developing static analysis tools, implementing security checks, and collaborating with teams to improve workflows. Requires strong Unity knowledge, scripting experience, and understanding of Git workflows. Python or Golang proficiency is a plus.

Lead AI solutions delivery end-to-end for clients, from discovery to production. Build AI agents, automations, and workflows, and drive client relationships. Must be technically fluent in APIs, workflows, and AI agents, comfortable with code, and a problem solver.

Technical Support Specialist providing 1st and 2nd level support to internal users in a banking environment. Troubleshoot incidents, perform data analysis using SQL and Oracle, and support Microsoft and Linux environments.

Leads creative direction and brand identity across all channels for a fast-scaling e-commerce company specializing in nutritional supplements. Develops and executes creative campaigns, mentors a team of designers and content creators, and ensures consistent brand storytelling. Requires a strong portfolio demonstrating strategic creative direction and hands-on content experience. Fluent in Portuguese and English.