freelance English-speaking jobs in Valongo

Jobbex is seeking an Outsystems Developer to design, develop, and maintain applications using Outsystems technology. Responsibilities include system integrations, database interactions, and collaboration within Agile/Scrum teams.

Lead Infrastructure Engineer to own and operate distributed systems powering a global financial technology firm's SaaS API-driven business. Requires 5+ years of experience, expertise in Linux, Kubernetes, DNS, Kerberos, or AWS, and proficiency in Python. Must have experience with HTTP, load balancing, and authentication/authorization technologies. Bachelor's degree in computer science or related field required.

Senior HR Specialist needed to manage the full employee lifecycle for 260 colleagues. Responsibilities include payroll processing, benefits administration, HR data management, and leading local HR projects. Requires a Bachelor's degree in HR, Business Administration, or a related field and proven experience in HR operations.

Cloud DevOps Engineer to develop and implement cloud solutions using Infrastructure as Code (Terraform, CloudFormation). Manage, maintain, and upgrade existing infrastructure, monitor cloud environments, and support production workloads.

Software Developer in Test will develop and maintain automated tests for Veeam products, collaborate with the software development team, and analyze test results.

Junior CRM Specialist to execute campaigns, manage project data, and ensure accuracy in CRM systems. Requires B2 English, strong communication, and Google Workspace proficiency.

Red Team Analyst to perform web application vulnerability testing, including XSS and SQL Injection. Requires experience with Burp Suite, SQLMap, and OWASP Top 10.

Provide customer support via phone, chat, and email in Italian and English. Build customer relationships, handle sensitive data, and apply customer happiness best practices.

Senior Field Marketing Manager to support sales pipeline growth and brand awareness across EMEA. Develop and execute integrated marketing campaigns, events, and go-to-market initiatives.

The Wealth Planner will provide tax, legal, and regulatory support for Utmost Wealth Solutions products in Portugal. Responsibilities include product literature development, project management, and ensuring compliance with Portuguese regulations.

Leads strategic client relationships and ensures high-quality service delivery in complex B2B digital ecosystems. Manages customer relationship, coordinates service delivery, and monitors data and performance. Acts as a technical advisor, translating client needs into IT, networking, and cloud solutions.

Senior Agentic AI Software Engineer will design, implement, and maintain AI solutions for scientific and data-intensive use cases. Responsibilities include building and supporting tools for data processing, analysis, and decision-making pipelines, automating workflows, and integrating AI agents with internal systems.

Data Coordinator will enter, review, and maintain clinical trial data in paper and electronic CRFs. Coordinate monitoring visits, audits, and study meetings. Manage study documentation and ensure protocol compliance.

Senior Software Developer will build and improve web applications using Kotlin and http4k. The role involves collaborating with a global team, mentoring junior developers, and participating in all stages of the software development lifecycle.

Application Architect needed to develop and validate application architectures for a Payment Information System. Collaborate with teams to align architectural standards and prepare documentation. Requires 5+ years of experience in a technical environment, strong project management skills, and fluency in French (C1) and English (B1).

Manages new business growth opportunities through revenue streams, partnerships, and strategic alliances. Conducts assessments of business opportunities, evaluates financial viability, and builds relationships with partners. Implements and integrates new business and partnerships into Vodafone's portfolio and sales channels.

Curricular internship opportunity in Reception at a new 4* hotel in Porto. Support check-in/check-out, welcome guests, assist with reservations and phone service. Must be a Tourism/Hospitality student eligible for internships.

Internship at MASSLAB in Lisbon for Architecture students. Participate in international projects merging architecture, design, and other disciplines. Must have Revit knowledge and fluency in English.

Data & Analytics Engineer needed to design, build, and maintain data solutions. Responsibilities include modeling PostgreSQL databases, developing Power BI dashboards, and managing ETL/ELT pipelines. Requires experience with data warehousing, SQL, Power BI, and cloud fundamentals.

Provide technical support and customer service to clients in German and English. Resolve issues, handle inquiries, and build customer relationships.