111 English-speaking jobs in Castelo Branco District

Experienced Sales Manager to lead international expansion. Develop sales strategies, identify market opportunities, and manage overseas sales channels.

Research Fellow to contribute to a program exploring the open scientific questions behind next-generation content moderation. Focus on adaptive policy learning, bias in moderation systems, communication risk in multimodal content, or policy change recommendation.

Growth Marketer needed to own the experiment pipeline for a D2C AI-powered financial guidance tool. Responsibilities include generating, testing, and scaling growth strategies across paid, organic, and partnership channels. Must have 3+ years of experience in growth marketing, performance marketing, or demand generation with a track record of running structured experiments.

Leads and coordinates clinical studies for medical devices and in vitro diagnostics, ensuring compliance with GCP, ISO standards, and regulations. Manages projects from start-up to close-out, collaborating with sponsors, study sites, and internal teams. Provides mentorship and development support to junior team members.

Data Analyst specializing in energy sector projects. Requires 4+ years experience in energy sector projects, understanding of electric transmission networks, and proficiency in Python/PySpark, GIS, and QGIS.

Develop software (Java) for high-availability critical systems; participate in the complete development cycle, including design, implementation and testing; be part of an R&D team working in a collaborative, informal and dynamic environment. Degree in Computer Engineering or similar; strong understanding of Java core concepts (OOP, Object model); experience with Java frameworks like Spring or Quarkus. Ability to write clean, maintainable, efficient Java code and strong problem-solving and debugging skills. Fluent in English.

QA Tester needed for transcription project. Responsibilities include segmenting audio and transcribing speech with high accuracy. Must be comfortable with WAV formats and transcription conventions.

Build and scale high-traffic, real-time backend systems in a modern .NET environment. Design, build, and own backend services in a microservices, event-driven architecture. Work with real-time features and asynchronous messaging (e.g., RabbitMQ/Kafka) on production-scale systems. Take features from design to production: coding, testing, monitoring, performance tuning, and incident handling. Collaborate closely with Product, QA, and other teams in an agile, in-house product environment. Write clean, maintainable, well-tested code and contribute actively to code reviews and design discussions. Mentor other engineers and share best practices within the team.

DevOps Engineer needed to develop and maintain monitoring systems, design and implement CI/CD pipelines, and analyze infrastructure. Experience with Kubernetes, Docker, CI/CD tools, and scripting is required.

Experienced SAP SuccessFactors Consultants needed for a 6-12 month project with potential extension. Analyze and advise on time management and absence processes within SAP SuccessFactors. Lead or support implementation activities, conduct workshops, and configure/test solutions.

AWS Data Engineer to design and implement cloud-based data pipelines using AWS services (S3, ECS, Lambda, RDS, IAM). Develop using Python and data libraries, transform raw data, and orchestrate workflows with tools like Airflow/Step Functions and IaC.

Designs, operates, and optimizes large-scale compute and storage platforms across global data centers. Manages x86 servers and enterprise storage systems using technologies like Brocade, NetApp, StorageGRID, and Pure Storage. Leads global infrastructure projects and improves operations through automation and scripting.

Senior Java Developer to design, develop, and maintain Java-based back-office applications for the financial services sector. Experience with Java, Spring Boot, and financial services or regulated environments is required.

Lead the development and scaling of advanced analytics capabilities to enable precise, customer-centric multichannel engagement across global markets. Partner with stakeholders to embed data-driven decision-making into commercial strategies. Shape and evolve analytical frameworks, data models, and measurement approaches to optimize engagement and business impact.

Lead Generator to own and scale paid lead generation campaigns across multiple channels. Responsible for campaign strategy, creative briefing, launch, optimization, and reporting. Requires 2+ years of paid lead generation experience (Meta Ads and Google Ads minimum) and proven track record of hitting CPL and lead quality targets.

Experienced Kotlin/Java Backend Developers sought to design, implement, and maintain robust, scalable backend solutions in an Agile environment.

Provides technical expertise and guidance to resolve complex customer problems. Contributes to customer problem resolution and collaborates with engineering teams to identify and resolve serviceability issues. Designs, installs, configures, and optimizes Cisco products and services.

Software Quality Assurance Tester to support the definition and implementation of test acceptance criteria and execute tests to ensure customer requirements are validated.

Product Manager needed to own and evolve end-to-end product journeys within a specific domain. Requires 5+ years of experience in B2B SaaS or platform-based environments and proven experience owning the product lifecycle. Must have strong technical understanding of APIs, integrations, and data models.

Software Engineer to design, develop, and build applications in a Scrum Agile environment. Responsibilities include coding, debugging, reviewing code, collaborating with engineers and subject-matter experts, and fixing security vulnerabilities.