freelance English-speaking jobs in Barreiro

Side is seeking a 20h Part-Time Russian Player Support Advocate to provide top-tier support to gamers. Responsibilities include resolving customer queries, troubleshooting technical issues, and ensuring a positive customer experience. Fluency in Russian and English is required.

Data Engineer needed to design, maintain, and migrate data structures for healthcare reporting and operational systems. Requires experience with Oracle databases, PL/SQL, Pentaho, and data modeling. Must have a strong focus on data quality and integrity. Fluent Portuguese required. Hybrid work model with 2 days per week in office (Lisboa or Porto).

Senior Python Software Engineer to design, maintain, and scale backend systems for unattended retail devices. Experience with Django, REST APIs, PostgreSQL, and cloud infrastructure is required. Responsibilities include building integrations, mentoring developers, and documenting APIs.

Clinical Biostatistician to develop statistical strategies, sample size calculations, and regulatory-grade data structures for medical device clinical trials. Requires 3+ years' experience in medical device or pharma clinical studies, expertise in SAS, R, or Python, and direct experience with EU MDR, FDA requirements, and ISO 14155.

Accountant to support Treasury department with Accounts Payable and Receivable activities. Requires 2-3 years experience, strong Primavera knowledge, and fluency in Portuguese and English.

People Business Partner to support the Product organization. Provides guidance to managers on performance management, workforce planning, and employee relations. Executes People programs and partners cross-functionally to support initiatives. Requires fluency in English and Russian and 5+ years of HR experience.

Prepares food according to recipes, quality standards, and food preparation checklists. Operates kitchen equipment and ensures food safety and sanitation. Follows company policies and procedures.

Senior Android Developer needed for 100% remote role. 7+ years of experience required, including 4+ years in senior-level mobile development. Must have apps on the app store with over 100 reviews and recent experience with RxJava. Strong design and coding skills (Java/Android) and Advanced English fluency are essential.

Network Engineer to design, build, and maintain Richemont's next-generation global network. Responsibilities include implementing SD-WAN/SASE solutions, deploying Cisco technologies, managing Checkpoint firewalls, and automating network tasks. Requires enterprise network engineering experience, Cisco expertise, and cloud networking knowledge.

Customer Care Specialist provides support for road infrastructure services, handling customer queries, registering requests, and performing billing and reconciliation activities.

Recruit qualified candidates for experienced positions aligned to a specific service line and/or region. Develop recruiting strategies, source talent, and manage the talent pipeline. Ensure an exceptional candidate experience and build relationships with stakeholders.

Next Engineering seeks an experienced SRE with a minimum of 6 years of experience in Linux IT projects. Requires strong Linux skills, scripting experience (shell, Python), and proficiency in web servers (Websphere, Jboss). Familiarity with monitoring, scheduling, and deployment tools is essential. Fluency in English and Portuguese is required.

This role involves designing and developing ServiceNow solutions, including workflows, scripts, and integrations. The ideal candidate has 5+ years of ServiceNow experience, expertise in ITSM/SRM, and proficiency in JavaScript, XML, and REST/SOAP.

Experienced IT Transformation & Solutions Manager needed to lead a team of Full-Stack Developers. Design and deliver innovative solutions aligning with business objectives and customer experience. Drive digital transformation initiatives and leverage automation and AI.

Own the product vision and execution of a hosting platform for Odoo systems. Develop the roadmap, design features, and coordinate development to ensure reliability and performance. Gather user feedback and drive platform adoption.

Devoteam Cyber Trust seeks a Vulnerability Management Operator to execute vulnerability assessments, analyze results, and collaborate with technical teams to mitigate risks.

As a Talent Acquisition Specialist – IT & Data, you will execute end-to-end recruitment processes for IT, Data, and Digital roles across international markets. You will source, assess, and close talent, working closely with hiring managers and stakeholders.

Revenue Operations Analyst will transform complex datasets into actionable insights for Sales, Marketing, and Revenue leadership. Responsibilities include developing dashboards, analyzing sales and marketing data, and supporting forecasting and budgeting. Requires 3-5 years of analytical experience in a SaaS or high-growth tech company, proficiency in SQL, and experience with CRM systems.

The University of Coimbra seeks a First Stage Researcher to support a project focused on developing an AI-based software solution for automatic container recognition in dry ports.

Lead Associate in Sales Operations will support WTW's Health, Wealth & Career (HWC) Segment in Great Britain. This role blends data analysis, project management, process optimization, and campaign execution to support the entire sales lifecycle. The ideal candidate will collaborate with global and local teams to drive sales enablement, operational excellence, and client experience.