freelance English-speaking jobs in Maia

Seeking an Azure Data Architect with expertise in Data Architecture, Event-Driven Architecture, and Lakehouse/Medallion Architecture. Requires knowledge of Azure ecosystem, CI/CD, and Data Governance.

Database/ETL Developer needed for a financial sector project. Responsibilities include full ETL lifecycle development using IBM DataStage PX and SQL, testing, and L3 support. Requires strong ETL, DataStage, and SQL experience.

Software Engineer (Backend) joins an agile team to manage the full application lifecycle using cutting-edge technologies. Requires experience with Java and familiarity with high concurrency platforms and protocols.

Seeking a Dutch Recruiter to manage end-to-end recruitment pipelines. Responsibilities include sourcing, screening, and interviewing Dutch-speaking candidates. Requires native or C1 Dutch and professional English skills.

Principal Coordinating Professor position in Electronic, Telecommunications and Computer Engineering at Universidade Politécnica de Lisboa. Requires a doctoral degree with over five years of experience and habilitation.

Senior Oracle DBA needed with 8+ years managing complex environments. Expertise required in Oracle RAC, Data Guard, RMAN, and performance tuning across various versions. Must be based in Portugal.

Deliver LOGFAS System Administrator training, update materials, and provide SME support. Duties include course delivery, software testing, and mentoring for NATO structures. Requires advanced LOGFAS knowledge and 3+ years in training content creation.

Functional Consultant needed for Data Analytics & Reporting. Provide functional/technical support for finance data applications, analyze requirements, and use SQL for data validation. Requires 3+ years in a similar IT role.

Mid/Senior AI LLM Engineer to fine-tune open-weight LLMs using SFT, LoRA/QLoRA, and DPO/GRPO. Improve model behavior for personalization and consistency, shipping to production. Requires strong Python, PyTorch, and Hugging Face skills.

Customer Service role supporting business clients with online advertising. Responsibilities include setting up and optimizing paid campaigns. Requires fluent German and English, and living in Portugal with EU work authorization.

Build and evolve the core AI tutoring system, focusing on prompt architectures and agentic workflows. Design scalable software integrating AI with platform systems while running rigorous experimentation to measure learning effectiveness.

English Customer Support Representatives will assist Reddit users via phone, email, and chat. Candidates must be fluent in English, possess strong communication skills, and be local to Portugal. Paid training is provided.

Research Grant for Doctoral students in Environmental Sciences or Energy. Focus on designing and evaluating Shared Autonomous Mobility systems, addressing energy and environmental impacts. Requires proven research experience in transport systems impacts.

Post-Doctoral Research Fellowships are available for the HANGOUT project, focusing on adolescent urban accessibility and mobility in the 15-minute city context. Candidates must have a recent PhD and relevant experience.

Senior Industrial Engineer to analyze, map, and redesign end-to-end business processes. Partner with various teams to improve productivity and operational excellence using process mapping and continuous improvement.

Develop and implement data solutions in SAP Business Data Cloud and Datasphere. Lead pre-sales, design modern data architectures, and ensure best practices in governance and integration.

Customer Service Representative providing support to SMB clients in optimizing their marketing strategies and navigating advertising tools. Fluent Arabic (C2) and English (B2+) required. Must be residing in Portugal, preferably Lisbon area.

Communications Specialist for Animal Health supports brand reputation across EURAM. Responsibilities include optimizing internal channels, managing leadership touchpoints, and harmonizing social media presence. Requires communication coordination experience.

Manage and maintain Microsoft Azure environments, including IaaS and PaaS services. Administer Microsoft 365 and Azure Active Directory. Implement security and networking best practices across cloud and hybrid infrastructures.

Finance Data Analytics Internship for students or recent graduates. Gain practical experience in Data Analytics, Power BI, and Finance by supporting reporting, dashboard creation, and learning international finance processes.