freelance English-speaking jobs in Maia

Aubay Portugal seeks a Júnior C++ Developer with 2+ years of experience. Proficiency in shell script, C#, Git, and SQL is required. Strong English communication skills (B2 level) are also necessary.

BI Developer will gather reporting requirements, develop and test dashboards and reports using EazyBI, and ensure data accuracy. Requires 5+ years of experience in BI reporting and dashboard development, knowledge of multidimensional data modeling, and experience with BI tools like Power BI or Tableau.

Senior Network Security Engineer to set up, configure, and support CORE network infrastructure. Designs network solutions, troubleshoots, and optimizes the network environment while introducing automation services. Participates in infrastructure and business projects ensuring secure and efficient network operations.

Evaluates cybersecurity datasets for AI model training. Identifies vulnerabilities, labels security scenarios, and validates AI-generated recommendations. Requires 3+ years in Cybersecurity or Security Engineering with knowledge of secure coding, network security, and vulnerability management.

Marketing Assistant will execute marketing plans to maximize occupancy and revenue for assets in Portugal. Responsibilities include market research, coordinating marketing campaigns, managing promotional materials, and supporting the customer experience program.

Provides HR support to business stakeholders and the HR community, ensuring smooth and efficient HR operations. Manages employee data, drafts HR documents, and advises on general HR queries. Requires fluency in French and English.

Android Engineer to design, develop, and maintain Android Automotive (AAOS) applications and platform components. Experience with Kotlin, Android architecture patterns, and modular design is required.

Agile Analyst to promote efficiency and collaboration in an insurance company. Responsibilities include facilitating agile processes, acting as a liaison between business and IT, and assisting with user training. Requires experience with Agile methodologies and excellent communication skills. Fluency in English is required.

Experienced Customer Support Specialists are needed for a leading digital banking project (Spanish market). Resolve customer queries via chat, calls, or email, managing complex cases and providing excellent service. Support fraud investigations, dispute resolution, and complaints handling. Must have C1/C2 Spanish and B2 English, and 12+ months experience in customer service, banking, finance, or insurance with Spanish clients.

Frontend Product Engineer will build user interfaces for an AI-native law firm. Responsibilities include designing agent interaction surfaces, document review workflows, and scalable UI patterns in Next.js + TypeScript. Strong experience with Next.js, TypeScript, and state management is required.

Designs, implements, and evolves secure and scalable Cloud IAM architectures. Ensures robust identity and access controls across cloud environments. Collaborates with Security, Cloud, DevOps, and Architecture teams.

Procurement Technician needed for sourcing/procurement, focusing on OPEX and operational activities. Responsibilities include supplier negotiations, PR/PO management, RFQs, material approvals, and contract renewals. Requires 1+ year of procurement experience, SAP proficiency, and strong English communication skills.

Data Analyst to develop and maintain ETL processes, analyze data using SAS and SQL, and create reports and dashboards. Will ensure data quality, work with marketing teams on analytical solutions, and support analytics literacy initiatives. Requires 3-5 years of experience in data integration and analysis, advanced SAS proficiency, and strong SQL knowledge.

The AI Infrastructure team designs and builds production systems for intelligent agents. Engineers will develop high-performance Rust services, architect scalable systems, and build reliable ML infrastructure.

Data Engineer to architect and scale a proprietary investor database, transitioning from basic filtering to an AI-driven matching engine. Responsibilities include developing a weighted scoring algorithm, managing data pipelines, and overseeing the migration to Python-based micro-services.

Oowlish seeks a Senior Data Engineer to design, implement, and optimize data pipelines across cloud platforms and AI-driven environments. Responsibilities include developing scalable data pipelines using Python, working with relational databases, and managing Azure storage solutions. Must have 4+ years of experience as a Data Engineer with strong Python and ETL expertise.

Sales Assistant to support sales strategy, achieve annual sales objectives, and manage customer relationships. Responsibilities include inventory control, delivery coordination, order processing, supplier management, and handling customer claims.

Provide customer support via live chat and email for a fast-growing fintech/crypto trading platform. Support users, manage inquiries, and contribute to service improvements. Must have strong Swedish and English language skills (C1 and B2 respectively) and previous customer service experience.

QA Engineer to contribute to a holistic quality assurance strategy for Salesforce Commerce Cloud back-end integrations and APIs. Responsibilities include test design, execution, reporting, and automation. Requires 4+ years of experience as a test analyst and automation engineer with knowledge of REST API standards and best practices.

Cloud System Engineer will design, implement, and optimize scalable cloud solutions. Responsibilities include building automation and CI/CD pipelines, developing serverless architectures, and integrating APIs. Requires experience with Azure, automation tools, and cloud solution architecture.