freelance English-speaking jobs in Leiria District

Fiber Optic Technician supports installation, termination, and testing of fiber optic cables in energy infrastructure projects. Requires experience in splicing, testing, and reading technical drawings. Rotational schedule between Germany and Portugal.

Junior International Roaming & NOC Engineer needed to support 24x7 international roaming services. Responsibilities include monitoring, incident detection, and first-level troubleshooting. Fluent Portuguese, English, and Spanish are mandatory.

Develop and maintain accurate demand forecasts for technology products by partnering with PLM, Sales, and Operations. Build analytical models, provide data-driven insights, and deliver executive reporting.

Teach general Science (KS3) and inquiry-based Chemistry (IGCSE/IBDP) at an international school. Requires a relevant degree, teaching qualification, and experience in IBDP/IGCSE Science.

Senior AI Engineer to build AI-driven core features. Design LLM pipelines, RAG strategies, and agent systems. Evaluate emerging AI tools and maintain cloud-native architecture in Go.

Software Engineer to ensure business operations on Microsoft Power Platform and other applications. Responsibilities include Power Platform development strategy, finding customer solutions, and managing development providers and contracts. Requires IT degree and Power Platform experience.

Global Head of Lifecycle Marketing to own retention, CRM, and LiveOps across all apps and geos. Drive LiveOps revenue to 7-figure monthly territory using data, AI, and relentless testing.

Privacy Counsel specializing in GDPR and data protection within the FinTech sector. Responsibilities include regulatory guidance, DPIAs, managing data subject rights, and drafting DPAs. Requires strong GDPR knowledge and legal acumen.

Mobile Developer role requires 5 years of experience in Android full-lifecycle development using Java and 5 years in iOS full-lifecycle development using Swift. Experience with Java/Spring Boot or Angular is also required. C1 English level is necessary.

Senior .NET & Angular Developer needed to design and build end-to-end solutions using C#/.NET and Angular/TypeScript. Requires 6+ years of experience with C#, .NET Core, Angular, and RESTful APIs.

Payments & Bank Reconciliation Analyst supports accounting and payment operations. Responsibilities include generating payment proposals, performing reconciliations, and maintaining financial controls. Requires a degree in a related field and experience in payment processing.

This role is a Customer Success and Support Specialist for a B2B SaaS company. You will manage customer accounts, provide support via chat, email, and phone, and guide customers through software onboarding and technical troubleshooting.

Senior C++ Developer to build robust, high-performance financial software. Responsibilities include developing C++ applications, automating workflows with shell scripting and C#, and integrating systems using Git and SQL. Requires 8+ years of experience.

Regional Marketing Manager oversees marketing for venues in Portugal and Spain. Responsibilities include operational marketing, social media support, digital accuracy, and reporting, requiring 5+ years of experience.

Accounts Payable Analyst needed to process invoices, ensuring correct booking across GL, VAT, and Cost Centres. Requires strong SAP experience, knowledge of invoice processing, and analytical skills. English B2 level is required.

Drive sales and distribution growth across Key Accounts in the On Premise channel. Develop activation plans, manage commercial agreements, and analyze performance data to maximize profitable business opportunities.

Group Consolidation Specialist contributes to monthly, quarterly, and annual consolidation processes, ensuring IFRS compliance and financial reporting for management and stakeholders. Requires a Master's degree and 2 years of experience in consolidation or financial reporting.

The Q2C Business Analyst translates stakeholder needs into process, data, and system requirements to support the global Quote-to-Cash process. This role analyzes operational data and supports process improvement across commercial, order, billing, and finance functions.

Senior AWS DevSecOps Engineer designs and maintains secure, scalable AWS infrastructure using CDK and CloudFormation. Builds CI/CD pipelines with AWS tools and develops automation using Python/TypeScript, Shell/Bash, and Step Functions, following DevSecOps and FinOps practices.

Build and maintain end-to-end ML pipelines, designing infrastructure to turn prototypes into scalable production systems. Requires 5+ years in MLOps, strong cloud experience, and proficiency with Kubernetes and CI/CD.