freelance English-speaking jobs in Valongo

QA Engineer needed with 3+ years of experience testing Cobol, frontend, backend, and APIs. Experience with Gherkin, Jira, Confluence, SQL, and CI/CD required. Good English (min B1) also required.

Lead a team of 5-8 Fullstack developers in the development of a technical platform for online donations. Responsibilities include code review, technical design, team management, and mentorship. Requires 10+ years of software development experience, 2+ years as a Team Lead, and proficiency in TypeScript, Node.js, MongoDB, Kafka, and Redis.

Leads the integration, governance, and transformation of complex healthcare and genomic data into actionable insights for precision medicine and research.

Senior Software Engineer to extend a new software platform (C++, Web Technologies) for data acquisition. Collaborate with global R&D team on Advantage software product development. 5-7 years' experience in software development, object-oriented programming (C++), and web technologies (React, JavaScript, CSS, GraphQL). Bachelor's/Master's degree in a relevant field.

Senior Product Owner for Billing platform, responsible for translating product vision into detailed requirements and driving execution across two engineering teams. Leads roadmap planning, collaborates with engineering on design and risks, and ensures alignment across teams. Requires 3-7 years of experience as a Product Owner, Project Manager, or System Analyst with strong system thinking and communication skills.

Designs and develops SAC dashboards, stories, and analytical applications. Builds and maintains AfO workbooks for financial, management, and operational reporting. Develops SAC models using live (S/4HANA) and import connections (Datasphere).

Aligned is seeking 25 part-time, remote Portuguese-English bilingual consultants to evaluate AI model outputs, assess cultural context, translate, and identify areas for improvement.

Lead data architecture strategy across client engagements, defining target-state architectures and roadmaps for cloud and hybrid environments. Design modern data platforms, including lakehouse/warehouse, streaming, batch, and semantic layers. Provide technical oversight across projects, ensuring best practices and managing architectural risks. Communicate with engineers and senior business stakeholders.

Lead the adoption of generative AI across product engineering teams. Drive organizational change and guide teams on AI-powered development practices. Define and execute AI integration strategies, conduct workshops, and evaluate emerging AI tools. Proven experience in software engineering, AI tools, and change management required.

Provide German and English language support to customers experiencing claims, incidents, or account risks. Document cases, escalate complex issues, and contribute to a secure platform. Requires C2 German, B2 English, and 1-3 years of experience in claims, risk, compliance, or customer protection. Relocation to Lisbon is required.

Technical Security Analyst needed for a national project. Analyze security reports, identify vulnerabilities, assess remediation plans, and coordinate reviews with entities. Requires 3+ years of cybersecurity experience, knowledge of attack concepts, and fluency in English.

Develop software for native iOS applications for connectivity products. Participate in requirements analysis and solution definition. Design, document, and implement software according to defined architecture.

Technical Manager - Building Services needed to ensure proper functioning of facilities and equipment. Responsibilities include planning maintenance, creating manuals, assigning work, and leading a team. Proven experience in maintenance management and technical areas is required.

The Security Analyst safeguards Tilray's global networks and systems. Responsibilities include implementing security tools, documenting policies, and mitigating cyber threats. The role requires experience with security technologies, network protocols, and systems administration.

Java Developer needed for tailored technology solutions. Requires 5+ years of experience with Java 8+, Spring/Spring Boot, Apache Kafka, and relational databases. Experience with Front-End frameworks, API development, and CI/CD pipelines is valued. Good English and French are required.

Traffic Management Officer to develop and optimize paid acquisition strategies across multiple platforms. Manage campaigns, perform keyword research, and analyze performance metrics. Collaborate with marketing teams and stay current with industry trends. Requires a bachelor's degree, 13 years of experience, and fluency in English and French.

Java Developer sought for a technology consultancy. Requires a degree in Computer Engineering or related field and solid experience in front-end development (ES6, HTML5, CSS3). Mastery of JS, jQuery, jQuery UI, and JSON is essential. Knowledge of React and/or React Native, full-stack architecture, and software engineering practices is needed. Experience with mobile application development (iOS, Android, MS) is valued.

Coordinate and validate design, deployment, and migration activities for Packet Core (PACO) nodes. Ensure software compatibility, manage design changes, and oversee testing and troubleshooting.

Expert Technical Program Manager will own cross-functional New Product Introduction (NPI) programs from concept to commercial launch. Responsibilities include leading cross-functional execution, driving contract manufacturer selection and onboarding, and managing regulatory submission programs. Requires a Bachelor's or Master's degree in a relevant field and 5+ years of program management or technical leadership experience in the medical device industry.

Develop and implement social media strategies, create engaging content for platforms like Instagram and Facebook, and monitor social media channels for trends and engagement.