freelance English-speaking jobs in Maia

Lead Backend Developer (Go/Kotlin) will design and develop scalable microservices, own infrastructure provisioning with Terraform, and migrate legacy systems to GCP. Requires 5+ years of backend development experience, proficiency in Go or Kotlin, and GCP expertise.

Natural resource conservation scientists evaluate AI systems trained on environmental science and conservation. Review training content, assess scientific accuracy, and provide feedback to improve AI outputs.

Lead the evolution of Xata's visual brand system, designing marketing assets across various channels and collaborating with marketing and product teams. Create swag and physical assets, and help communicate complex technical concepts visually.

Delivery Operations Team Lead will guide a team in analyzing, resolving issues, and driving operational excellence. The role requires experience in Transaction Monitoring, Suspicious Activity Reports (SARs), and team management.

Provide customer support via chat, phone, and email to the Irish market. Must have C1 or C2 English and experience in customer service, banking, finance, or insurance (preferred).

IT Project Manager fluent in French required for national and international projects. Proven experience in Agile/Scrum environments with Scrum Master certification. Strong communication, facilitation, and analytical skills. Manage project scope, risks, and dependencies while leading Scrum ceremonies and collaborating with cross-functional teams.

FINERGE seeks a Debt and Investment Management Specialist to join a deal team. The role involves financial modeling, securing funding, and collaborating cross-functionally to align financial strategies with business objectives. Requires +5 years of experience in investment banking, private equity, or project finance, with a focus on renewable energy or infrastructure.

The Workforce Planning & Strategy Specialist will own end-to-end workforce demand and capacity planning for key operational functions. This role translates business strategy and operational drivers into robust workforce plans and partners with Operations and Finance leaders to support budgeting, hiring plans, and investment decisions. The ideal candidate will have strong experience in workforce planning, capacity planning, or operational strategy and advanced Excel skills.

Ryanair Group is hosting a Cabin Crew Assessment Day in Porto on February 27, 2026. Successful applicants will participate in a 6-week training course to become qualified cabin crew members. The role requires the ability to swim 25 meters, be between 5'2" and 6'2" tall, and have the unrestricted right to live and work in the EU. Applicants must be comfortable working a shift roster, enjoy dealing with the public, and have excellent customer service skills. Fluency in English is required.

Luxury Concierge Agent providing bespoke travel, dining, and lifestyle solutions for high-profile clients. Fluent in Dutch/Flemish and English, with experience in customer service, hospitality, travel, or luxury services.

The Data Analyst for the Europe Data Team analyzes business requirements and data across the European analytics platform. This role clarifies business needs, identifies improvements, and guides platform development. The Data Analyst works with technical teams to define solutions, ensuring reliable insights for functions like Sales, Underwriting, and Finance.

Develop and implement a global logistics and supply chain strategy. Lead and manage international logistics and supply chain teams. Manage global process experts and logistics engineers.

Vendor Management Officer needed for NATO Secret clearance position. Experience in vendor management, procurement, or contract administration required. Duties include onboarding/offboarding contractors, drafting Statements of Work, and recommending procurement strategies.

Lead the development and integration of hub components and features into hub and nacelle products. Deliver mature, validated technology components to support ongoing and future hub projects. Drive project execution using Vestas’ Modular Way to Market, ensuring high-quality models, documentation, and manufacturing readiness.

Senior Backend Engineer to design, build, and maintain scalable backend systems with real-time capabilities using Python. Collaborate with cross-functional teams and contribute to best practices across code quality, testing, CI/CD, and infrastructure.

Senior Android Developer will design, develop, and deliver high-quality, scalable Android applications. Responsibilities include writing clean, maintainable code, providing technical leadership, and contributing to the entire development cycle. Requires experience with native Android languages, Android development, and Restful APIs.

Fluent Portuguese-Brazil speaker needed to support a streaming platform. Apply tags and metadata to video content, ensuring accurate data entry and optimal viewing experiences. Collaborate with a team to improve discoverability and ad-insertion. Must have experience with video editing or metadata management and a strong understanding of the digital content landscape.

Consulting Sales Engineer will provide technical consulting and promote Daikin products to design offices, architects, developers, and end customers. Responsibilities include project consultancy, equipment selection support, and participation in training. Requires a degree in Mechanical Engineering or air conditioning specialization and 5+ years of HVAC experience. Must have strong technical and commercial aptitude, knowledge of relevant legislation and certifications, and proficiency in English (B1 minimum) and MS Office.

Designs, deploys, and enhances Citrix and VDI solutions. Configures, maintains, and troubleshoots Citrix and VDI platforms. Provides 3rd-line support and contributes to operational process standardization.

Senior Data Engineer with expertise in cloud-native data pipeline development within AWS environments and Snowflake. Develops and deploys high-performance data pipelines, manages large datasets, and collaborates with teams to ensure product delivery. Requires experience with AWS technologies (S3, ECS, Lambda, RDS, SNS/SQS, IAM, Cloudwatch), SQL, Python, and data platform architecture.