freelance English-speaking jobs in Maia

Customer Service Specialist needed for a global financial technology company. Provide customer support and collections assistance in Dutch (C2) and English (B2). Requires 1-2 years of customer service experience and strong communication and negotiation skills.

Design, build, and evolve data-driven solutions for industrial processes. Implement data pipelines, analytics, and agentic solutions. Collaborate with stakeholders and end users to translate business needs into technical solutions.

Sybilion seeks a Consultant to build and validate forecasting models for process industries. You will design forecasting approaches, operationalize models into decision workflows, and lead client Proof of Concepts. Must have 3-7 years in consulting with a focus on modeling and strong Python skills.

Senior Backend Developer will design and build core components of Kerno's validation engine, including test generation and code analysis agents. Responsibilities include building and improving the platform layer, owning features end-to-end, and collaborating with the founding team on technical direction. Requires 8+ years of professional backend development experience, strong proficiency in Kotlin, and experience designing and building distributed systems.

Full Stack Engineer Annotator assesses frontend and backend engineering datasets to ensure AI models accurately interpret full-stack workflows. Annotates application datasets, evaluates integration logic, and reviews UI interactions. Requires a Bachelor's degree and 3-5 years of experience as a Full Stack Developer with proficiency in modern frontend and backend technologies. Must hold a relevant certification.

Senior Tax Advisor providing VAT and indirect tax advisory services to clients. Conducts research, prepares technical advice, supervises junior team members, and participates in client meetings. Requires a bachelor's or master's degree, 3+ years of VAT experience, and strong English communication skills.

Manage and optimize TikTok campaigns across multiple EU markets. Develop and execute creative strategies, conduct testing, and analyze performance data. Proven track record of scaling TikTok Ads budgets profitably required.

Cyncly seeks an Enablement & Onboarding Manager to drive product knowledge, training, and partner enablement for its SaaS Professional Services organization. This role will design and deliver digital learning experiences, develop onboarding programs, and maintain a centralized repository of enablement materials.

Provides first-line technical support to internal and external customers via phone, email, and remote access. Resolves routine technical issues and escalates complex problems. Maintains call information in a database and assists with hardware and software configuration. Requires fluency in Czech and professional English proficiency, along with experience in a Service Desk or IT Support environment.

Develop and execute social media strategies for TikTok, Instagram, and other platforms to showcase brand story, products, and heritage. Build relationships with influencers, organize events, and create engaging content. Plan and execute marketing campaigns, track performance, and optimize strategies.

Senior Dynamics 365 Finance & Operations (F&O) Solution and Product Architect needed for a large, complex, and highly customized D365 F&O landscape. Lead solution design, product evolution, and architectural governance for Dynamics 365 F&O, ensuring the platform is robust, scalable, compliant, and continually advancing. Translate complex business requirements into scalable and maintainable solutions, define architectural standards, and provide architectural oversight for all F&O-related integrations. Act as a product owner from a technical and functional perspective, shaping the future roadmap of D365 F&O. Mentor solution architects, functional consultants, and technical teams across global regions.

Manage a portfolio of websites, optimizing paid traffic campaigns and on-site experiences to maximize revenue. Deep experience in Google Ads and Meta Ads is required.

Leads a team of security architects to design and evolve security roadmaps for cloud platforms, compute/storage/database/connectivity, and digital workplace ecosystems. Provides security assurance for major initiatives and manages relationships with technology vendors. Requires 10+ years in Information Security, including 5+ years in infrastructure or cloud security architecture roles.

Develop, train, and deploy Machine Learning/AI models for company products and services. Prototype AI/ML solutions, analyze data, and collaborate with data engineers.

Data Analyst will design and maintain Looker/BigQuery dashboards, drive strategic insights from NPS, contact rates, and agent performance, and build business cases for CX and Ops improvements.

Full-time Sales Assistant in Lisboa. Manages customer orders, invoicing, transportation, and sales activities. Provides administrative support, communicates product information, and ensures high customer service.

As a Localization QA Game Tester, you will collaborate with a global team to ensure the accuracy and quality of localized games. Responsibilities include identifying and correcting language errors, ensuring adherence to console guidelines, and reporting on found issues. Fluency in Traditional Chinese and conversational English are required.

Midweight Designer to apply established brand guidelines across digital, print, and presentation materials. Designs marketing, sales, and internal communications assets. Requires strong design skills, experience with brand guidelines, and proficiency in Adobe Creative Cloud.

Senior Platform Engineer will design, build, and evolve reliable, scalable platforms for clients. This client-facing role requires extensive experience with AWS and/or Azure, including networking, security, and cost optimization. Proven track record of delivering production-grade systems and supporting mission-critical infrastructure is essential. Experience working directly with clients in a consulting capacity is required.

Freelance photographer needed for remote role. Review and evaluate photographs, providing feedback on composition, lighting, and overall quality. Minimum 3+ years professional photography experience required.