freelance English-speaking jobs in Guimarães

Senior Fullstack Engineer to drive architecture and development of high-quality software. Own complex features end-to-end, ensuring solutions meet business requirements and adhere to performance, security, and scalability standards. Provide technical mentorship, optimize the codebase, and champion modern development standards. Collaborate across functions to translate business requirements into technical solutions. Design robust full-stack systems and contribute to technical decisions. Evaluate new technologies and methodologies to keep the tech stack modern.

Senior .NET Engineer to design, build, and maintain scalable applications. Expertise in backend development with .NET (C#), microservices architecture, DDD, and TDD required. Experience with React, JavaScript, TypeScript, SQL and NoSQL databases, Docker, CI/CD, and cloud platforms (AWS/Azure) is essential.

Lead Credit Manager to manage product valuation models and credit strategy optimization. Oversee quarterly forecasting, act as liaison with Finance, and determine credit decisioning framework. Requires 8+ years experience in credit risk management for retail credit portfolios, expertise in credit product valuation models, and data-driven decision making.

Develop, test, and optimize Workato recipes and SAP BTP integration flows. Implement technical integration requirements and document, standardize, and build reusable components. Monitor, troubleshoot, and optimize performance and scalability.

Technical Project Manager to oversee end-to-end delivery of technical projects within scope, budget, and timeline. Requires experience in Java, Spring, software development lifecycles, and strong communication skills.

Manages day-to-day delivery of health, retirement, risk, and leave benefit programs across multiple EMEA countries. Serves as a regional subject matter expert on EMEA benefits, providing guidance on plan design, governance, and alignment with global benefits principles.

Capital Allocation AI Expert needed to evaluate investment opportunities, guide build vs. buy decisions, and prioritize initiatives using AI-driven insights and financial frameworks.

Lead and participate in development of a banking product using .NET Core, C#, and microservices architecture. Minimum 6 years C#/.NET experience and 2 years technical leadership required.

Manage end-to-end product development programs, leading cross-functional teams and ensuring alignment with customer needs. Drive product platform development from marketing requirements through production. Collaborate with regional teams to deliver customer-centric solutions.

DevOps Engineer needed for a remote, 4-day workweek role. Requires +4 years experience in code review and delivery, C#, ASP.NET MVC, .NET Core, and Agile methodologies. Responsibilities include developing code, creating new features, and mentoring junior developers.

Customer Solutions Expert will assist customers via live chat and phone, collaborating with support team members to answer questions and resolve issues. Must be fluent in German and English, with experience in a customer-facing role.

Provide French and English speaking customer support via phone, email, and chat. Assist with product questions, account management, and issue resolution. Document interactions and collaborate with team members.

Provide childcare for children aged 4 months to 15 years in a luxury resort setting. Plan and deliver engaging activities, ensure safety and well-being, and maintain accurate records.

Provide customer support via phone, email, and chat to customers in Polish, Czech, Greek, or Hungarian. Assist with orders, accounts, and platform navigation. Fluent language skills and strong communication are required.

Energy Systems & Innovation Engineer will manage and deliver R&D and consultancy project tasks, leading project implementation, writing specifications, and conducting validation. The role requires expertise in renewable energy technologies, power systems, and programming (preferably Python).

Design, execute, and maintain test cases for Cobol, Frontend, Backend, and API components. Develop and maintain automated tests using Gherkin and CI/CD pipelines. Perform functional, integration, and regression testing. Analyze issues, validate fixes, and collaborate with developers. Document test results and processes using Jira and Confluence.

Senior Android Engineer to develop and deploy pixel-perfect, responsive Android applications using Kotlin and Jetpack Compose. Experience with unit and UI testing, modern Android UI design principles, and agile processes is required.

Senior Java Backend Developer to design, develop, and maintain scalable backend systems using Java. Experience with microservices architecture, Spring Framework, and Agile methodologies is required.

Investment Banking or Private Equity Expert needed for a contract role. Build financial models, collaborate with AI research teams, and evaluate AI-generated financial content. Must have at least 2 years of experience in investment banking or private equity with deal experience.

Senior Data Analyst needed to analyze, transform, and interpret complex datasets using GCP tools, particularly BigQuery. Develop dashboards, reports, and KPIs to support data-driven business decisions. Requires 4-6 years of experience in a similar role with strong SQL, Python, and BigQuery skills.