freelance English-speaking jobs in Barreiro

Cybersecurity Auditor to assess security controls and compliance with internal policies, standards, and regulatory requirements across internal entities and third parties.

Global Sales and Business Development Coordinator to represent The Energy Year in new markets, conduct sales meetings, develop client relationships, and lead sales campaigns. Requires 1-3 years of experience, fluency in English, and the ability to travel and relocate internationally.

Provide customer support via phone, email, and chat for account administration, billing, and order follow-up. Resolve customer escalations and offer after-sale support. Must be proficient in Portuguese, English, and Spanish.

Experienced Project Manager needed to lead security and regulatory projects globally. Manage international teams, vendors, and project scope, ensuring on-time, within-budget delivery.

Senior Cloud Engineer needed for a remote-first role. Design and evolve backend architectures, shape APIs, and contribute to digital solutions. Requires 4+ years of experience in Java/Kotlin server-side development, strong understanding of Computer Science fundamentals, and experience with Kubernetes, Cassandra, Kafka, and Akka.

UX Analyst for EU Public Institutions will research user needs, design solutions, and conduct usability testing. Requires 5+ years experience, specific UX tools expertise, and a relevant certification (CUA, CXA, NN/g UX Certification, CPUX, Google UX Design Professional Certificate, Akendi UX Certification). Fluency in English (B2 level) is required.

Sales Manager to drive commercial growth in European markets for an EV charging and BESS solutions provider. Develop new business opportunities, build strategic partnerships, and support regional sales targets.

FIX Gateway Engineer with 5+ years of development experience in financial or trading environments. Requires expertise in FIX Protocol, RHEL, CI/CD pipelines, and shell scripting.

Design Manager needed for international construction company. Experience in data center, pharma, or industrial projects required. Manage design deliverables, coordinate with stakeholders, and lead design meetings. Must have a relevant degree and experience in design, BIM, and CAD.

Full-time House Assistant needed for busy private household in Estoril. Responsibilities include childcare, meal preparation, light cleaning, personal assistant duties, driving, pet care, and occasional travel. Previous experience preferred.

Provides administrative support to management and departments. Handles correspondence, schedules meetings, and manages calendars. Assists with report preparation and office logistics. Requires strong organizational skills, excellent communication, and proficiency in Microsoft Office.

Senior Finance & Control Officer to execute the Group's consolidation process, analyze intra-group transactions, and support the preparation of financial statements. Requires a Master's degree, 3+ years of experience in a similar role, knowledge of Accounting (SNC, IFRS), and proficiency in Microsoft Office.

Senior Platform Engineer will develop and evolve foundational software and services for product and development teams. Responsibilities include architecting and implementing infrastructure as code, managing Kubernetes clusters, developing CI/CD systems, and resolving platform issues. Requires 6+ years of experience in platform engineering, DevOps, or related roles with strong GCP/AWS, Kubernetes, and Terraform experience.

Senior Java Developer to design, develop, and maintain enterprise applications using Java and Spring Boot. Collaborate with stakeholders and teams to deliver robust, scalable solutions. Lead technical initiatives and mentor junior developers.

Business Development Lead will drive sales of a B2B SaaS platform across assigned European markets. Responsibilities include managing the sales pipeline, running outbound campaigns, identifying and qualifying leads, and building relationships with customers. Experience in B2B SaaS sales, ideally within automotive or insurance, is preferred.

Holafly seeks a Head of Data Engineering to design and evolve a scalable data architecture for global operations. Responsibilities include establishing engineering excellence, ensuring data reliability and security, and driving strategic technology choices. Requires deep expertise in data management, cloud infrastructure, and team leadership.

Senior Data Architect to design and develop a central data platform for a global marketplace. Lead data migration from legacy systems to AWS Lakehouse, implement data governance standards, and guide Medallion Architecture development using Apache Iceberg, PySpark, and AWS Glue.

The FEUP Department of Chemical and Biological Engineering seeks a Doctorate Initial level researcher for the AGRO-CIRN project. The researcher will conduct R&D activities focused on the techno-economic evaluation of soil health in soilless cultivation systems. Responsibilities include experimental and computational studies on solvent extraction and partition coefficients. Applicants must hold a doctorate in Chemical Engineering within the last 5 years and have a strong publication record in SCOPUS Q1/Q2 journals.

Tech Lead to design and evolve digital architectures for a major retail client's omnichannel transformation. Responsibilities include defining solution roadmaps, supporting project phases, and ensuring technical solutions meet business requirements. Requires a Bachelor's or Master's degree in Computer Engineering or a related field, 5+ years of experience as a Technical Lead, and strong experience with cloud-based architectures, distributed architectures, and .NET technologies.

Revolut seeks an External Enquiry Analyst to detect and investigate financial crime risks. Responsibilities include responding to court orders, liaising with law enforcement, and conducting fraud investigations. Requires a bachelor's degree, fluency in English and Italian, 2+ years of FinCrime experience, and strong analytical and communication skills.