freelance English-speaking jobs in Barreiro

Business Analyst specializing in Payments will bridge business and technical teams, leading analysis and design of payment solutions. Experience in private banking, financial messaging, and payment flows (SEPA, SWIFT, SIC, MEPS, etc.) is required.

Senior TypeScript Developer to design and implement high-load microservices within a FinTech startup. Experience with TypeScript/Node.js, microservices architecture, data pipelines, and distributed systems required.

Senior AI Engineer needed with 3-5 years of experience. Must have proficiency in Scala, Elasticsearch, and experience developing content applications. Knowledge of AI methods, RESTful APIs, and cloud platforms is required.

Provides support to the Global Broker team in the annual Broker Fee reconciliation process and periodic reporting. Assists with collecting and consolidating global contract spend data, ensuring accuracy, and preparing analysis for the Broker team and Global Buyers. Supports the maintenance of contract terms and calculation rules in IT systems.

Full stack engineer to join Menhir's Lisbon headquarters and work on an AI-powered revenue recovery platform for healthcare clinics. Will work across the full stack, from AI agent orchestration to product interfaces. Requires experience with LLMs, Python, and TypeScript.

IT Help Desk professional needed for an international project. Responsibilities include processing requests, ensuring customer satisfaction, and reporting malfunctions. Must have knowledge of customer service techniques, collaboration skills, and fluency in French.

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 Software Developer with expertise in Java, Spring, and AWS. Develops and maintains backend services, APIs, and cloud infrastructure using Terraform. Collaborates with data engineers and cross-functional teams.

Senior Product Manager to lead strategy, performance, and growth of casual games. Responsibilities include product direction, performance ownership, LiveOps leadership, and cross-functional collaboration. Requires 5+ years of mobile gaming experience, strong LiveOps leadership, and data proficiency.

Technical Product Owner needed for a global technology company developing software platforms for the mobility, rental, and fleet management sector. This role focuses on a product requiring complex third-party integrations. Responsibilities include defining and delivering product capabilities, analyzing integrations, and collaborating with engineering, UX/UI, QA, and architecture teams. Requires 2-5 years of experience, ideally with a software development background, and strong Agile/Scrum knowledge.

Experienced Private Wealth Adviser needed to build and manage relationships with high-net-worth clients, providing comprehensive financial planning and investment management services.

Experienced OTN Design Engineer needed for long-term project. Design resilient OTN topologies, perform capacity planning, and provide technical guidance across deployment and operational phases. Must have strong OTN architecture design experience, proven capacity planning expertise, and deep knowledge of high-speed optical technologies (100G–800G and ROADM architectures).

Supports AP operations for the France/Benelux region. Processes invoices, manages vendor inquiries in French, and performs reconciliations. Requires 1-3 years of AP experience and strong French written comprehension.

Business Development Manager needed for Iberia region. Drive sales of ERP software and related services, achieving 3M$ annual targets. 5+ years of experience in enterprise software sales within Iberia, with strong domain knowledge in Heavy asset, Transport & Logistics, Ports, and Supply Chain industries.

Data Scientist/ML Engineer roles available for fraud detection, risk prevention, CRM optimization, GenAI application development, and MLOps infrastructure. Requires 4+ years of experience with production ML deployment, strong Python skills, and fluency in English.

Junior HR Consultant to support employee life cycle processes, including recruitment, onboarding, and benefits administration. Responsible for HR system data entry, reporting, and process improvement initiatives. Requires 2+ years of HR experience, proficiency in Microsoft Suite, and fluency in English and Portuguese.

Area Sales Representative to build brand presence in Portugal. Responsibilities include visiting tobacconists and retailers, securing agreements, and developing relationships. Requires professional Portuguese and English proficiency, minimum 1 year of field sales experience, and the ability to travel.

Designs, builds, and optimizes advanced reporting and analytics solutions across Atlassian tools. Requires deep knowledge of Atlassian data structures, strong analytical skills, and experience translating operational data into actionable insights.

Innovation Development Manager will define innovation priorities, uncover use cases, and lead development of assets. Collaborate with sales, R&D, and clients to shape the innovation agenda and drive business value. Requires 4+ years experience in innovation, business development, or technology strategy, fluency in English and Portuguese, and a degree in a related field.

Leads the successful integration of Medtronic's HUGO™ RAS-system into hospitals, including program development, surgeon and staff training, and operational optimization. Requires a bachelor's degree, fluency in English and Portuguese, and over 2 years of experience in operating rooms and surgical procedures. Extensive travel throughout the UK & Ireland is required.