freelance English-speaking jobs in Maia

Develop scalable applications using C#, ASP.NET, and React. Collaborate with teams throughout the product development lifecycle. Build RESTful APIs and web interfaces. Contribute to cloud-based solutions, ensuring best practices in architecture, performance, and security.

Senior Software Tester with strong manual testing skills needed for a 3-month contract. Develop and implement test plans, design test cases, and conduct functional, regression, performance, and usability testing. Experience with automation testing tools and frameworks is required.

Senior Project Manager to lead a First of a Kind greenfield chemical plant implementation in Europe. Responsible for all project phases from feasibility to delivery, including business development, engineering, permitting, procurement, construction, and commissioning. Requires 15+ years of experience in large-scale industrial plant projects, PMP certification, and proficiency in English, Spanish, and/or Portuguese.

Develop and maintain integrations between client ERP/accounting systems and a cloud performance platform. Build API connections, write SQL queries, and support secure file-based and cloud data workflows. Troubleshoot integration issues and document integration logic.

IT Engineer needed for a project focused on innovative solutions and support for business operations. Requires 9+ years of experience, strong Linux skills, scripting knowledge (bash, PowerShell, Python), and experience with DevOps tools (GIT, JENKINS, Bitbucket, etc.). Must have experience with monitoring tools (Zabbix, Splunk, Grafana), ITSM, and Problem/Incident Management. English (B2) is mandatory, French is a plus.

Leads a team of subordinates in assigned areas, providing coaching, guidance, and training. Maintains accurate records of inspections, maintenance, and sanitation logs. Ensures compliance with USPH and HACCP cleaning and sanitation procedures. Provides on-the-job training to subordinates on cleaning practices, procedures, and equipment. Supervises luggage operations on the last night of the cruise. Reports equipment repairs and follows up on job orders. Adheres to company policies and procedures. Monitors and controls the use of cleaning materials and linen. Ensures company property is maintained properly. Must have fluent English and advanced German skills. Minimum of two years' experience in a hotel or one year onboard a cruise ship in a Housekeeping Supervisory/Managerial position preferred. Possesses excellent organizational, leadership, and communication skills. Must be able to work under pressure and meet deadlines.

Provide Danish-language customer support across various channels, resolving issues and ensuring positive customer experiences.

Review development economics questions and explanations used in AI training. Assess reasoning related to growth, inequality, and global development. Provide feedback to improve accuracy and contextual nuance.

Leads the development and execution of the logistics excellence strategy, optimizing performance of external logistics partners and driving continuous improvement in logistics operations. Establishes key performance metrics, champions process standardization, and implements data-driven initiatives to enhance efficiency and reduce costs. Collaborates with business leaders to align logistics processes with organizational goals.

Conducts audits of Organon processes, affiliates, vendors, and investigator sites to ensure quality and compliance with local and international regulatory requirements. Prepares audit reports, manages follow-up activities, and provides guidance to internal stakeholders. Maintains expertise in Organon policies, procedures, and guidelines, as well as local and global regulatory requirements.

This is a solutions consulting role focused on helping global consumer brands navigate the challenges of AI-driven environments. You will diagnose complex customer challenges, design solutions, and deliver measurable outcomes.

Category Lead will drive commercial success by understanding market, consumer, and competitor landscapes. Responsibilities include supporting marketing campaigns, overseeing forecasting, leading execution efforts, and analyzing sales performance. Requires at least three years of marketing experience, brand management experience, and strong communication and analytical skills. Fluency in Portuguese, Spanish, and English is required.

Manage bookkeeping and accounting for multiple group entities, ensuring accurate financial records and audit-ready accounts. Prepare management accounts and group reporting packages, performing variance analysis and supporting financial commentary.

Seeking two SAP Experts: ABAP/ABAP HCM Payroll. Develop and debug ABAP programs, support SuccessFactors implementations, and collaborate with cross-functional teams.

Performance Marketing Specialist to drive paid acquisition channel execution and optimization. Manage ad infrastructure, execute creative testing, and optimize for Contribution Margin and CAC. Deep expertise in Meta Ads, creative strategy, attribution tracking, and budget management.

Provide operational support for Sales and Trading desks, ensuring accurate trade booking and process integrity. Validate and allocate trades, manage trade matching, and perform reconciliations. Support client lifecycle management and collateral workflows.

Senior Fullstack Software Engineer to design, build, and scale core applications. Experience with JavaScript frameworks, backend development (JavaScript and/or .NET), AWS/Azure, and API integrations required.

Sales Development Representative will own the full sales cycle for Formed IT services, including identifying clients, conducting outreach, and closing deals. Experience in tech sales, digital services, or SaaS is preferred.

Salesforce Commerce Cloud (SFCC) Developer needed for a large-scale Direct-to-Consumer (D2C) eCommerce initiative. Develop and optimize headless commerce experiences using SFCC and React-based architectures. Integrate SFCC APIs, build GraphQL layers, and manage product, cart, and checkout flows. Strong SFCC development experience and knowledge of headless commerce architecture required.

Waiter supporting breakfast, lunch, and dinner service, ensuring guest satisfaction. Assists with setup, service, and maintaining high standards. Collaborates with kitchen and bar staff.