freelance English-speaking jobs in Maia

DevOps Engineer to maintain and evolve the Internal Software Development Platform, ensuring a smooth and secure experience for development teams. Responsibilities include infrastructure code base design, continuous process improvement, and collaboration with development teams. Requires experience with AWS, Azure, Ansible, Terraform, Docker, Kubernetes, and CI/CD tools.

Part-time, equity-only founder & CEO role for a new B2B business. Drive research, define the business model, lead early sales, and iterate based on customer feedback. Minimum 12 hours per week commitment. Must have 15+ years experience and a business idea in your area of expertise.

Senior Full Stack Developer to join the BPCE SI team. Requires 5+ years of experience, strong Angular 5+ and Java skills, experience with SOAP Web Services, REST architecture, JPA, unit tests, relational databases, Maven, and Agile methodologies. Must be able to write clean, maintainable code, follow best practices, and have strong communication skills.

Full-time on-site Hospitality Specialist needed for a guesthouse and retreat center. Responsibilities include front desk operations, guest services, and supporting retreat activities. Requires fluency in English and Portuguese, excellent communication skills, and previous hospitality experience.

Provide technical and accounting support to German-speaking customers via phone, ticket, and chat. Demonstrate software solutions and identify customer needs. Must be fluent in German (C2) and have strong business English (B2).

Drive Zoop's commercial growth in the Web3 ecosystem by building strategic partnerships, exploring new revenue streams, and positioning Zoop as a key platform. Responsibilities include identifying, developing, and scaling partnerships with Web3 companies, exploring monetization models, and collaborating with teams to activate partnerships. Requires 3-5 years of experience in business development, partnerships, or commercial roles, preferably in Web3, crypto, or adjacent tech ecosystems.

Cyber Risk Analyst to define and promote cybersecurity governance for IT Payment Services. Support IT teams in managing cyber risks and contribute to risk activities such as RCSA, incident analysis, and control plans.

Planning Lead to develop and manage construction programmes for large-scale data centre projects. Requires 7+ years' experience, proficiency in Asta Powerproject and Primavera P6, and strong stakeholder management skills.

Senior Machine Learning Engineer will design, develop, and maintain production-grade AI solutions. Responsibilities include model optimization, cloud infrastructure management, data pipeline development, and exploratory analysis. Requires 3+ years of experience in ML/AI development, proficiency in Python and machine learning frameworks, and experience with large language models and cloud platforms.

Growth Manager to own and scale Nixar's growth engine across acquisition, activation, and revenue. Design and run growth experiments, identify scalable go-to-market levers, and turn successful experiments into repeatable processes.

Design, configure, and develop integrations on a serverless Azure Integration Platform. Build and maintain real-time, event-driven, and API-based integrations. Contribute to the definition and reuse of standardized data objects.

Provides customer support via voice, investigating, troubleshooting, and resolving issues. Ensures high standards are met and work is efficient. Acts as a trusted advisor, listens to customer concerns, and tracks issues. Seeks opportunities to add value through education and proactive solutions. Must have experience in customer service/support, strong problem-solving abilities, and fluency in English and Spanish or Portuguese.

Clinical Research Associate II will conduct site visits, ensure protocol compliance, and collaborate with investigators. Requires a bachelor's degree, 2+ years of experience, and knowledge of clinical trial regulations. Must be able to travel at least 60%.

Senior Business Intelligence Specialist to design, develop, and maintain BI solutions within the Microsoft SQL ecosystem. Responsibilities include developing T-SQL queries, managing ETL processes, creating reports and dashboards, and ensuring platform stability. Requires a Bachelor's or Master's degree and 5+ years of experience in BI projects. Strong expertise in SQL Server, SSIS, SSAS, SSRS, and Power BI is essential.

Provide Spanish-language customer service to business users of a digital advertising platform. Resolve technical and product-related inquiries via chat and email. Collaborate with internal teams to address issues and improve support processes.

Provide customer support via phone, email, and chat, troubleshooting issues and meeting service level agreements. Must have 1+ year of experience in customer service or technical support, strong Arabic and English language skills, and excellent communication and problem-solving abilities.

SEO Specialist will perform keyword research, content recommendations, and SEO performance analysis. Responsibilities include creating reports, dashboards, and ensuring pages meet SEO standards. Requires experience with SEO tools, Google Search Console, and HTML/CSS.

Senior Manufacturing Quality Engineer to ensure product quality and regulatory compliance. Leads quality assurance activities, supports manufacturing processes, and drives continuous improvement. Requires 5+ years of experience and knowledge of quality tools and QMS software.

Security Engineer specializing in cryptography sought to design solutions for core services and transition to Post-Quantum Cryptography. Must have strong command of security standards, cryptographic mechanisms, and Python scripting. Experience with Windows and *NIX environments and network infrastructure is required.

Senior Full-Stack Engineer to build and maintain features across Ruby (GraphQL) backend and React web & mobile applications. Requires 5+ years of experience with Ruby on Rails and React (TypeScript preferred), GraphQL, Postgres, and Git.