freelance English-speaking jobs in Valongo

Assists with identity verification and secure document collection services. Conducts in-person client appointments to collect and verify identity documents, ensuring secure and compliant submission of data.

Operating Principal will drive growth across three markets, setting goals, developing strategies, and executing projects. Responsibilities include leading teams, identifying opportunities, and ensuring project completion. Must be a results-oriented individual with strong analytical, communication, and organizational skills. Native Danish speaker, fluent in English, and EU work permit required.

Jobbex is seeking a Kotlin Senior Engineer to develop a Core Privacy Engine and mobile/TV interfaces. Responsibilities include collaborating with teams, defining product vision, and reviewing code. Requires 5+ years of Kotlin experience and a passion for mobile technologies and automated testing.

Experienced cost manager needed for construction projects. Responsibilities include cost planning, preparing estimates, managing tenders, and settling final accounts. Must have sound cost management experience, knowledge of construction procurement, and excellent communication and problem-solving skills. Fluent in English and Portuguese required.

Senior Account Executive will secure high-impact retail partners and expand Uber Eats' marketplace in Portugal. Responsibilities include prospecting, pitching, negotiating, and closing deals, as well as collaborating with internal teams to ensure successful merchant launches.

Data Scientist needed with a degree in an analytical field and 2+ years of experience. Must have scripting experience with Python and packages such as NumPy, SciPy, Pandas, Scikit-learn, matplotlib, and tensorflow/pytorch. Experience with Java, Scala, or Spark is required.

Provide customer support via chat, email, and phone for banking and financial services inquiries. Manage customer cases, handle account-related questions, and ensure compliance with regulations.

The CF Controlling Specialist will create and track project business plans, ensure financial reporting accuracy, conduct variance analysis, and support finance & controlling activities.

Lead SAP FI data migration activities including extraction, mapping, cleansing, and validation. Analyze and interpret financial data across GL, AP, AR, Asset Accounting, Cost Centers, P&L, and Balance Sheet. Collaborate with business users and functional consultants.

Devoteam Cyber Trust seeks a Cybersecurity & Cloud Security Architect to design, implement, and maintain secure architectures across hybrid and multi-cloud environments. The Architect will create strategies to protect digital assets, ensure compliance, and mitigate risks.

Software Engineer to develop and integrate software components for Cloud RAN applications. Will work with global teams to design, implement, and test software while ensuring high-quality standards.

Paid Social Manager to manage and optimize Meta and TikTok campaigns. Responsible for creative evolution, performance analysis, and testing new strategies. Requires 2+ years of experience managing paid social for performance-driven brands. Must understand key metrics like MER, CAC, and LTV.

R&D Project Engineer to support European funding program projects (Horizon Europe / H2020). Execute research activities, contribute to proposal drafting, and support cross-functional team activities. Master's degree in electrical engineering or related field required. Previous experience with European Commission funded projects is highly valued. Proficiency in English (minimum B2 level) is mandatory.

Senior Copywriter will create website, landing page, blog, and paid campaign copy. Must have 5+ years of experience, proficiency in English, and a portfolio demonstrating versatility. Experience with CMS platforms and SEO, UX writing, and content performance is required.

Develop, maintain, and test data-intensive components in a Big Data environment. Work with Spark, Python, Hadoop, Hive, and SQL to process and optimize large datasets. Analyze existing solutions and drive performance improvements. Contribute in an Agile environment, from requirements analysis to deployment. Collaborate with international teams using CI/CD, DevOps concepts, and scheduling tools.

Experienced SAP ECP / Payroll Consultant needed for SuccessFactors Employee Central Payroll (ECP) implementations and support. Requires 5+ years of experience as an SAP HCM / SuccessFactors Consultant, strong ECP knowledge, and SAP Payroll implementation experience. Fluency in Portuguese and English is required.

Paycre seeks a Partnerships & Transactions Lead to originate and qualify real estate and digital asset transactions. This role involves developing partnerships with agents, developers, legal professionals, and cross-border clients. The ideal candidate has experience in real estate, business development, or digital assets and excels at relationship building.

Experienced System Analyst needed to bridge business and technical teams in Fintech. Develop system designs, analyze requirements, and ensure successful implementations in an Agile environment. Must have 5+ years of experience, Fintech background, and proficiency in SQL, system modeling, and documentation tools.

Frontend Developer to lead the development and UI/UX maintenance of web portals, ensuring they are visually appealing, intuitive, and user-friendly.

Mechanical Engineer needed for industrial or manufacturing environment. Requires Bachelor's degree in Mechanical Engineering, experience with CAD/CAE software, and knowledge of mechanical engineering principles.