freelance English-speaking jobs in Valongo

Senior Backend Engineer to design and scale backend systems for EV charging infrastructure. Develop Java/Spring Boot microservices, deploy in AWS, and collaborate with cross-functional teams.

Provide customer support via phone, email, and live chat in German and English. Resolve customer issues, document interactions, and collaborate with team members. Must be fluent in German, have intermediate English skills, and be eligible to work in Portugal.

The Tender & Contract Coordinator manages the full life cycle of tenders and contracts, ensuring timely, compliant submissions aligned with business goals. Responsibilities include tender intelligence, submission preparation, contract administration, and performance analysis.

pubGENIUS seeks a part-time, project-based Software Engineer with Node.js and AWS expertise. You will build and scale backend services, design event-driven systems, and develop APIs.

Solution Architect to define and design end-to-end technology architectures. Translate business needs into technical requirements and architectural designs. Ensure solutions are scalable, secure, and compliant.

Senior Product Manager will own and evolve the product roadmap for a digital validation platform, translating customer needs and industry trends into actionable decisions. Requires 5+ years of CMC experience in pharmaceutical, biotech, or CDMO functions and 3+ years in product management within a life sciences software company.

The International Iberian Nanotechnology Laboratory (INL) seeks a Project Implementation Officer to support the implementation and growth of semiconductor-related initiatives under the CHIPS Joint Undertaking (CHIPS JU). The role will focus on building and managing relationships with industrial stakeholders, supporting the deployment of CHIPS JU infrastructures, and facilitating collaboration between industry and INL's scientific teams.

This role ensures regulatory and legal compliance for UIP and its subsidiaries. Responsibilities include monitoring laws and regulations, developing and enforcing internal policies, conducting audits, and supporting training programs. Requires a law degree and 3+ years of compliance and risk management experience.

Senior Finance Consultant specializing in SAP Cloud ERP Public Edition. Leads customer engagements, develops transformation plans, and provides architecture guidance. Requires 5+ years of SAP Finance consulting experience, strong FICO process knowledge, and experience with at least one of: FSCM, Treasury, FICA, or Central Finance.

Quantitative Trading Analyst will architect and upgrade the risk management engine for a perpetuals DEX platform focused on Real World Assets. Responsibilities include designing risk mitigation systems, optimizing trading mechanisms, and stress testing protocol solvency. Requires advanced quantitative skills, expertise in both Traditional Finance derivatives and DeFi, and experience with risk engine development.

Product Strategy Designer will develop product concepts and designs that align with Oliver Wyman's product vision and client needs. The role collaborates with Product Strategy, Product Design, and Research teams to shape product direction and ensure user-centered design thinking is embedded in early-stage decision-making.

Software Engineer needed to design, build, and maintain scalable backend services, APIs, and frontend interfaces. Experience with Python, Node.js/TypeScript, Microsoft Azure, and cloud-native patterns required. Must have experience with data pipelines, ML frameworks, and AI agent deployment. Fluent English required.

The Head of Owners Relations will oversee the management of touristic and residential properties, including contract negotiation, regulatory compliance, financial oversight, and owner relations. This role leads teams, coordinates assemblies and communications, and ensures alignment with legal, financial, and organizational objectives.

Freelance Python Data Scraping Engineer needed for Tendem project. Extract data from complex websites, ensuring accuracy and reliability. Utilize Apify, OpenRouter, and Python web scraping libraries. Must have 3+ years of experience in data engineering, web scraping, or automation.

Design and implement scalable Big Data architectures. Manage distributed environments for large-scale data processing. Develop and maintain data pipelines using Apache Airflow. Build and optimize batch and streaming applications using Apache Spark.

Solution Architect needed to drive technical decision-making across products. Responsibilities include identifying infrastructure bottlenecks, designing fault-tolerant systems, and enforcing security standards. Requires a Bachelor's, Master's, or higher degree in a relevant field and 10+ years of experience in Software Engineering and/or DevOps.

Leads and coordinates AI initiatives within Governance, ensuring alignment with regulatory requirements and Nordea standards. Manages execution of AI projects, facilitates cross-functional collaboration, and translates regulatory requirements into actionable initiatives.

Research Scholarship for 6-12 months to support R&D activities in forest management planning, focusing on water-related ecosystem services. The successful candidate will develop project tasks, write reports, and collaborate with partners. Must have a Master's degree in forest and natural resource management and research experience in water-related ecosystem services.

The Member Relations Operator acts as the primary communication point for a private golf club community. Responsibilities include managing radio updates, responding to member messages and calls, and coordinating requests.

Provides financial and controlling support to a plant in Braganca, Portugal, ensuring compliance with procedures and optimizing financial performance.