assistant English-speaking jobs in Barreiro

FCiências.ID is seeking a Research Trainee with a Master's degree in Environmental Sciences, Environmental Engineering, Geophysical Sciences, Climate Change, Sustainability, or a related field. The role supports projects FAIR2Adapt, REGILIENCE-plus and AdaptationHubs, funded by Horizon Europe. Responsibilities include research, data processing, project meetings, publication, dissemination, and stakeholder engagement.

Leads daily staffing operations for Professional Services, ensuring high-quality execution and driving value proposition. Owns and improves the global staffing process, overseeing staffing for all project types and ensuring requests are fulfilled within the 3-day OLA. Provides capacity planning insights and supports pipeline planning.

Growth Operations Manager will own the operational lifecycle of Darkroom's proprietary Flight Plan infrastructure for e-commerce clients. This role reports to the VP of Finance and ensures each client's Flight Plan is properly deployed, maintained, and generating actionable insights.

Senior Data Platform Engineer will design and evolve Sword's streaming lakehouse, build and operate distributed streaming pipelines, and own durable workflows. Responsibilities include shaping the platform's API surface, driving vendor platform evaluations, and contributing to the self-service and agentic layer. Requires proven experience designing and operating data platforms at scale, hands-on experience with a modern lakehouse table format, and strong experience with a distributed processing engine. Familiarity with durable execution, production experience building and operating APIs, and understanding of Kafka and event-driven architectures are also needed.

Ethena Labs seeks a People/HR Coordinator to manage the operational engine of their growing People team. This role requires 2+ years of experience in a lean HR function, fluency in HRIS and ATS tooling, and a proven ability to identify and solve operational inefficiencies. The ideal candidate will ensure a seamless employee lifecycle, maintain HR data integrity, and partner with Talent Acquisition.

Leads and coordinates IT and cybersecurity projects, ensuring the stability and evolution of critical infrastructure and systems. Manages cloud environments (primarily AWS), implements cybersecurity practices, and identifies risk mitigation strategies. Requires 5+ years of IT experience, including project management and cybersecurity.

Senior Data Engineer will design, develop, and optimize data pipelines using ELT tools like Fivetran for data ingestion into Snowflake. Responsibilities include managing the Snowflake data platform, automating ETL processes, and collaborating with teams to ensure data accuracy and reliability.

Designs, implements, and maintains storage arrays and backup solutions. Manages storage capacity, performance, and security. Develops and executes data migration and disaster recovery plans. Provides support and documentation for storage systems.

Senior Angular Developer responsible for developing complex IT architectures of innovative software solutions and providing technological consulting to clients. Manages technical aspects of projects, leads teams, and coaches members on architecture and agile principles.

Software Engineer to develop secure C/C++ applications across Windows, Linux, and RTOS. Design and maintain user interfaces in C#/.NET, harden Yocto-based Linux distributions, and integrate security controls.

Provides portfolio operational support, consolidating data, performing analysis, and ensuring alignment across stakeholders. Manages SharePoint workspace, tracks actions, and prepares governance documentation. Requires advanced Excel, PowerPoint, and SharePoint skills.

Infrastructure & Operations Engineer needed to operate and improve cloud platforms. Responsibilities include managing Kubernetes clusters, Linux and Windows infrastructure, and collaborating with teams to ensure platform stability and efficiency.

QA Automation Engineer will design, develop, and maintain automated test suites for mobile applications. Responsibilities include executing manual and automated tests, collaborating with development teams, and contributing to test management activities. Requires 2+ years of experience in software testing with a focus on automation, experience with mobile application testing, and proficiency in at least one programming language (Java, JavaScript, or Python).

Customer Service Agent will manage customer interactions across digital platforms, responding to inquiries, moderating content, and identifying trends. Requires fluency in English, Spanish, and Portuguese, excellent communication skills, and 2+ years of experience in customer service or social media management.

The IT Process Lead is responsible for designing, improving, and standardizing IT processes within the IT Applications domain. This role leads a team of 120 employees across multiple locations and promotes a unified operating model. The ideal candidate has experience in IT process management, ITIL, agile methods, and leading multi-location teams.

The People Operations Administrator provides operational support to the People Team, focusing on HRIS, LMS, ATS, benefits, and performance systems. Responsibilities include onboarding/offboarding, data management, recruitment support, L&D support, compliance, reporting, and HR ticketing.

Team Lead for Transaction Processing and Reconciliation. Leads, motivates, and develops teams ensuring accurate and timely processing of trades and reconciliations. Supports NAV calculations and accounting integrity. Drives performance improvement and process automation. Collaborates with HQ team on projects and client service. Requires a Master's degree in a related field and 5+ years of experience in fund operations, middle office, or similar area. Fluent in English.

This role involves managing monthly payroll processes and systems, conducting audits of personnel data, and providing support to employees and HR on payroll topics. The Specialist will execute payroll tasks, support process improvements, and ensure compliance with regulations.

Suimoa seeks local guides to create and lead tours in their city, sharing their knowledge and recommendations with international travelers. Guides set their own availability, rates, and tour concepts.

BPMN Consultant to analyze, design, and document efficient business processes. Requires experience with BPMN notation, process design tools, and collaboration with operational teams.