freelance English-speaking jobs in Maia

Fullstack Java & (React or Angular) Developer will design, develop, and maintain scalable web applications using Spring Boot and React (TypeScript). Experience with legacy applications (FBTI) and reverse engineering is required.

Administers and operates JIRA as the primary backlog management platform, ensuring stable service, user support, and change delivery. Integrates JIRA with platforms like Silva ITSM, PEPPS, GitHub, and Power BI. Manages project configurations, workflows, permissions, and security. Provides user onboarding, training, and knowledge base development.

Valet Parking Attendant needed to provide exceptional guest service at a seaside retreat. Responsibilities include parking and retrieving vehicles, assisting with luggage, and providing local recommendations. Fluency in Portuguese and English, a valid driving license, and previous hospitality experience are preferred.

Assurance professional to perform detailed financial tests, review reports, and interact with clients across various industries. Requires a bachelor's degree, fluency in Portuguese, and proficiency in Microsoft Office.

Senior/Lead Data Engineer with expertise in cloud-native data pipeline development within Microsoft environments. Strong background in data architecture, data modeling, and implementing high-performance data solutions. Minimum 5 years of experience in data engineering.

Senior Full Stack Developer to design and develop robust solutions using .NET, React, and Angular. Will apply DDD and Microservices Architecture principles, write high-quality code, and collaborate with cross-functional teams.

Provide customer support to clients of leading global brands in Greek and English. Work in a dynamic, multicultural environment with opportunities for professional development.

Senior Full-Stack Engineer will design, build, and scale back-end services in Golang and UI/UX experiences in React. This role collaborates with the Billing and Partner team to deliver solutions that are modern, scalable, and efficient. The ideal candidate has 7+ years of experience as a full-stack engineer with exposure to SaaS products used by many customers.

Native-level Portuguese speaker with a bachelor's degree in languages and 1+ year of teaching experience sought for online, freelance Portuguese language instruction.

AgileEngine seeks a Middle/Senior Backend Engineer to architect and scale an Ads platform. Responsibilities include designing APIs, building high-throughput systems, and collaborating with product and data teams. Must have 3-4 years of experience building scalable systems, AdTech experience, and a strong understanding of distributed system architecture.

Senior Full-Stack Software Engineer to design, develop, and optimize scalable software solutions. Requires 10+ years of experience in software development with expertise in Java, JavaScript, TypeScript, and Python. Proven experience in Full-Stack Development with modern Front-End Frameworks (React, Angular, or Vue) and Back-End Technologies (Node.js, Django, Spring Boot).

Leads teams responsible for the full student journey, including onboarding, success management, refunds, and community. Builds a scalable support system to improve retention, reduce refunds, and ensure a high-quality learning experience. Manages budgets, optimizes costs, and drives operational efficiency.

Software Engineer will contribute to the delivery of high-quality software solutions. Responsibilities include task breakdown and definition, contributing to process improvement, root cause analysis and problem mitigation, and independent task delivery. Must have experience with Git, Command Line, NodeJS or TypeScript, React, unit tests, and CI/CD pipelines.

Senior Product Engineer will own a domain within the organization, building solutions into the tech platform. Collaborate with stakeholders to solve problems and manage end-to-end software delivery. Requires 5+ years of full-stack development experience and a strong product mindset.

Senior Scrum Master to lead multiple engineering teams, facilitate Scrum events, support Product Owners, and promote agile practices. Requires 5+ years of experience, fluency in Portuguese and English, and a Scrum Master certification.

Provide customer support for Website Solutions clients via phone, email, and chat. Troubleshoot technical issues and guide users. Must have at least 6 months of customer service experience, native or C1 German, and B2 English.

Software Engineer with 5+ years of experience in Python and/or Java, advanced SQL and Grafana skills, and fluency in English (B2 level) sought. Hybrid role, 3 days per week in Porto, Portugal. Must be based in Portugal with Portuguese or EU citizenship or a valid Portuguese work permit.

Business Analyst to support data projects in Lisbon. 3-5 years of experience required, with strong analytical skills, understanding of data architectures, and experience in Agile environments. Fluent in French, good command of English.

NFT Launch Coordinator to support operational processes for NFT drops and mint campaigns across blockchain platforms. Responsibilities include coordinating mint page readiness, managing allowlist processes, and supporting communication during NFT launch events.

Owns the performance, reliability, security, and operation of SQL and NoSQL database platforms. Partners with application, platform, and security teams to ensure scalable, resilient, and observable databases. Designs, operates, and hardens production-grade database systems with strong replication, failover, backup/restore, and security controls. Enforces database security best practices and codifies database infrastructure and operations using Infrastructure as Code.