freelance English-speaking jobs in Castelo Branco

Senior Platform Engineer will architect, scale, and maintain enterprise-grade CI/CD solutions and infrastructure. Lead development of automation, tooling, and internal platforms using Go or Bash. Act as a subject-matter expert and mentor to other platform engineers. Lead root-cause investigations and incident responses for core platform products.

Senior Test Automation Engineer will design, develop, and maintain automated test scripts for web applications and APIs. Responsibilities include solving complex testing problems, integrating test automation solutions with CI/CD pipelines, and collaborating with cross-functional teams.

QA Automation Engineer to develop, maintain, and debug automated UI and API tests in Java/Groovy for Salesforce. Must have experience with Selenium or Selenide for UI automation and Rest Assured for API testing.

Senior Full Stack Developer to design, develop, and maintain enterprise web applications using .NET and Angular. Experience with AI-powered development tools and workflows is required. Must have 5+ years of commercial software development experience.

Maintain and improve existing Atlassian Jira-based ALM toolchain. Provide first-level support to developers.

Senior Databricks Consulting Engineer will guide organizations through their data and AI transformation journeys, designing, implementing, and optimizing modern data platforms built on Databricks.

Test Automation Engineer to maintain and develop automated regression tests for a Dutch pension fund's administration system. Requires 2+ years of Robot Framework experience and Playwright knowledge is desired. Financial services background, specifically pensions or life insurance, is preferred. Fluent English required, Dutch is a plus.

Fullstack Developer needed to elevate user experience for financial applications. Lead frontend analysis and UI/UX implementation, ensuring compliance with IT guidelines and industry standards. Apply modern web development best practices and collaborate with backend engineers, business analysts, and product owners in a SCRUM environment. Expert proficiency in Angular, TypeScript, HTML5, and modern CSS/SASS required. Proven experience consuming RESTful APIs and implementing real-time data streaming. Working knowledge of C# and the .NET ecosystem.

Senior Accountant & Financial Controller needed for a dynamic team in Aveiro. Manage accounting processes, ensure compliance, prepare financial statements, and support budgeting and forecasting. Must have 7+ years of experience in accounting, tax, and financial control.

Internal Sales Representative will manage customer accounts, build relationships, and drive new business opportunities across Europe. Minimum 2 years of sales or account management experience required.

Senior .NET Developer to design, develop, test, deploy, and maintain scalable applications using ASP.NET Core, MongoDB, PostgreSQL, Kafka, and AWS. Collaborate with teams in an agile environment and support quality across codebases.

Provides strategic leadership for site utilities, ensuring safe, reliable, and compliant delivery of critical utility services. Leads a high-performing Utilities Engineering organization, developing and executing long-term utilities, asset management, and infrastructure strategies. Partners with site leadership to drive business objectives and operational excellence. Champions a culture of continuous improvement and leads utility-related capital projects. Ensures safe and compliant operation of critical utilities and clean utilities systems.

Engineer PostgreSQL databases on Kubernetes for large-scale, mission-critical services. Define and implement persistence, backup/restore, replication, and HA/DR strategies. Automate provisioning, upgrades, and scaling.

Project Manager will oversee digital workplace IT projects and manage the Lisbon-based DWP team. Requires 4+ years of IT project management experience, ideally in financial services, and Microsoft 365 expertise.

Mobile Developer with 3+ years of experience in iOS (Swift, SwiftUI, UIKit) and Android (Kotlin, Jetpack Compose) development. Experience with Kotlin Multiplatform, REST APIs, dependency management, and CI/CD pipelines required. Fluency in English (C1 level) is essential.

Junior AI Engineer to build backend APIs, distributed systems, and AI integrations. Requires Python/Java, experience with Kafka, Docker, Kubernetes, and AI orchestration frameworks.

NOC Engineer (L1/L2) - Network & Security. Previous experience in a NOC, SOC/SNOC, or network operations. Proven troubleshooting ability in multi-vendor environments. Experience with ITSM or change management frameworks. Ability to work independently and collaboratively in a 24/7 rotating shift environment.

Lead business development strategy for three Portuguese properties, driving revenue growth through new corporate, travel agency, and group business acquisition.

Data Product Manager needed to lead and manage data and product initiatives, ensuring alignment with business objectives and value delivery. Requires 10+ years of experience in data and/or product roles, strong leadership, analytical, and communication skills.

Applied Scientist to conduct preclinical in vivo validation studies in rats and sheep for an EU-funded R&D project focused on regenerative medicine and intervertebral disc regeneration.