158 English-speaking jobs in Castelo Branco District

Ardan Labs seeks a Mid-Level to Senior Golang Engineer with 5+ years of experience, including 3+ years in Golang. Responsibilities include developing, testing, and maintaining Go applications, troubleshooting production issues, and contributing to deployment processes. Requirements include strong expertise in production-level troubleshooting, microservices architecture, and distributed systems design.

Paid Media Buyer will manage and optimize paid campaigns across Meta, Google, AppLovin, NewsBreak, Pinterest, and other platforms. Responsibilities include daily account optimizations, weekly creative testing, and performance reporting. Must have 3+ years of experience buying paid media at scale with hands-on Meta and Google experience.

Support and maintain custom Outsystems applications. Interface with clients to design solutions and provide estimates. Lead technical teams and architect new features.

AI Security Engineer needed with 7+ years of IT and Cyber Security experience. Strong knowledge of Cloud Security, IAM, Application Security, and Secure SDLC required. Experience with Threat Modeling, Security Risk Assessments, and AI Security concepts (LLMs, Agentic AI, Prompt Injection, Data Leakage) is essential.

Java Software Engineer with 7+ years of experience in backend development using Java and Spring Boot. Experience with REST APIs, service integration, and event-driven architectures required.

Senior AWS DevOps Engineer needed to design, build, and operate a multi-region AWS platform. Responsibilities include infrastructure automation, CI/CD pipeline development, and security best practices. Requires strong AWS experience, Terraform, Kubernetes, and scripting skills.

Senior Quality Assurance Automation Engineer with 5+ years of experience in software testing, specializing in mobile app automation (iOS & Android) using Appium. Experience with C#, Selenium, RestSharp, Postman, BrowserStack, and Azure DevOps is required. Must be fluent in English and based in Portugal.

Lead the monetization strategy for competitive, player-earning games. Design, implement, and analyze in-game monetization systems, including pricing, offers, and rewards. Deeply analyze data to identify monetization opportunities and optimize player engagement.

Senior Ruby on Rails Engineer to design and build AI-powered features into an existing Rails application. Integrate LLM capabilities, architect backend services, and collaborate with product and design. Strong Ruby on Rails experience and interest in AI/LLM integrations required.

Lead engaging online demo lessons for children aged 5-17 and their parents, presenting Kodland's learning format and converting interest into enrollments. Strong communication and persuasive skills, advanced English, and ability to work via video conferencing in the afternoon/evening hours are required.

Senior Product Manager to lead the company's enterprise B2B platform, owning end-to-end execution. Requires 7+ years of product management experience, strong technical knowledge of platform services and APIs, and experience in AI/ML, agent frameworks, or automation platforms.

Data Engineer with at least 4 years of experience in end-to-end data pipeline development and ETL processes. Expertise in Python, Java, or Scala, Azure Data Factory, Azure Databricks, SQL, and NoSQL databases.

Senior Data Engineer to build and evolve cloud-based data platforms on Azure. Requires experience with Databricks, PySpark, and Microsoft Fabric.

Senior UX/UI Designer will own end-to-end design of product features, translating user and business needs into scalable solutions. Collaborate with Product and Engineering to ensure smooth delivery and high UI implementation quality.

The Head Baker oversees onboard bakery operations, creating high-quality artisan breads, pastries, and specialty dietary products. This role requires experience in luxury hospitality, a culinary degree or equivalent, and STCW95 certification.

We are seeking a contract iGaming Quality Engineer to join our remote team. You will design and execute test strategies for slot games, verify frontend RNG output, build automated regression suites, and conduct cross-device and cross-browser testing.

Senior Fullstack Engineer to own a significant part of the platform end to end. Expert-level .NET / C#, ASP.NET Core MVC, MS SQL, and Entity Framework. Azure services setup and maintenance, MS Graph, YAML pipelines, and CI/CD strategies. Daily use of AI coding tools. Mentoring and coaching junior engineers. 5+ years building production software in technical B2B SaaS.

As the first Sales Development Representative, you will build and manage a prospect list of European technology companies, run outbound sequences, and qualify leads using a defined methodology. You will collaborate with the Head of Client Development on sequence optimization and contribute to the development of the outbound playbook.

Backend Developer will integrate cashier systems and platforms for a European payment platform. Responsibilities include developing and optimizing algorithms for data parsing, ensuring system efficiency and reliability, and maintaining a clean codebase. Requires proven experience in distributed backend applications, preferably Node.Js and TypeScript, and a strong understanding of scalability and performance optimization.

The HR Operations Manager provides day-to-day HR support, manages operational caseloads, and acts as a key point of contact for managers. The role focuses on maintaining effective stakeholder relationships and supporting managers with operational HR needs.