react English-speaking jobs in Mafra

Banco Finantia seeks a Marketing and Digital Specialist to plan, execute, and manage digital communication strategies across multiple platforms. Responsibilities include managing website and social media content, analyzing KPIs, and coordinating with external agencies.

Senior Mechanical Engineer to design and deliver mechanical systems for mission critical infrastructure projects. Requires 8+ years of experience, 5+ years in mission critical projects, and proficiency in AutoCAD, Revit MEP, and CFD. Must be registered with the Ordem dos Engenheiros in Portugal.

Devoteam Portugal seeks an ETL Developer with 3+ years of experience using Talend to design and implement data integration processes. Responsibilities include managing data pipelines, supporting APIs, and collaborating with development teams. Must have strong experience with Talend, PostgreSQL, OpenSearch/ElasticSearch, and Java APIs.

Leads eCommerce trading, sales, and growth strategy for a portfolio of B2B SaaS products. Drives sales growth through attracting new customers and upselling to existing customers. Collaborates with cross-functional teams to develop and implement plans to achieve sales and profitability targets.

Insurance Credit Controller - Senior Process Associate - French/German - Remote EMEA. Responsible for data entry, premium collections, account reconciliation, debt recovery, and client communication. Requires a finance-related qualification, fluency in French or German, and experience in credit control and the insurance industry.

Senior Digital Workplace Adoption and Training Specialist to drive user experience and enablement across a Workplace Products ecosystem (M365 stack). Responsibilities include producing and maintaining documentation, designing feedback loops, and managing internal governance. Requires 5+ years of experience in Digital Workplace Adoption, strong M365 knowledge, and expertise in adoption and enablement processes.

Experienced Marketing Manager needed to lead digital marketing strategies for Serenity, Active, and Pure wellness brands. Responsibilities include managing digital channels, campaigns, PR, and brand consistency. Requires 3+ years of experience, expertise in digital marketing, analytics, and excellent communication skills in Portuguese and English.

The NIMSB is seeking a Junior PhD researcher to design, execute, and supervise research projects focused on cancer-associated metabolic modulation and resistance to anticancer therapies.

Finance Intern to support property management projects. Responsibilities include budget control, expense management, invoice processing, and bank reconciliations. Must have a Bachelor's degree in a relevant field, proficiency in MS Excel, and strong communication skills in Portuguese and English.

Senior System Administrator needed to manage internal and customer-facing services in a DevOps environment. Responsibilities include system architecture, performance optimization, backup & recovery, security, monitoring, Kubernetes management, and incident response. Requires 4+ years of experience as a System Administrator or Operations Engineer with expertise in containerization, IaC, and large-scale data management.

IEFP Professional Internship – Accounting at FRICON, an international industrial company. The role involves organizing and classifying accounting documents, analyzing financial data, and preparing reports. Requires proficiency in Portuguese and English, knowledge of accounting standards, and experience with accounting software.

Senior Business Analyst to design and implement Customer Data (MDM) solutions. Requires experience with MDM systems, Springboot, Springbatch, microservices, and AWS cloud. Strong communication and stakeholder management skills are essential.

Administers and maintains enterprise database environments including Oracle, SQL Server, PostgreSQL, MySQL, and Cassandra. Manages database instances in high-availability setups and implements replication and disaster recovery solutions. Provides support and troubleshooting for production environments.

Client Services Executive manages client requests, bookings, and operational aspects of client journeys. Ensures regulatory permissions are secured and arranges tailored services for a seamless travel experience. Requires experience in a client-facing role, proficiency with digital systems, strong communication skills, and the ability to work under pressure.

Savills Portugal seeks a Junior Architect Intern for its Lisbon office. The intern will support architectural projects, developing drawings, 3D models, and written documentation. Must have a Bachelor's/Master's degree in architecture or interior design, experience with design tools (Autocad, Archicad, Photoshop), and proficiency in English.

Designs and governs cloud architecture for enterprise AI and data platform, focusing on scalable AWS foundations for AI, machine learning, and generative AI applications. Collaborates with data engineers, architects, and AI teams to ensure cloud solutions meet enterprise standards for security, reliability, and cost efficiency.

Regional Account Manager for rare diseases (aHUS, NF1, LAL-D) will implement commercial strategy, build relationships with hospital stakeholders, and provide scientific information to support patient access. Requires 3-5 years of experience in hospital business, preferably in nephrology, pediatrics, or oncology.

Private Client Consultancy seeks driven Wealth Managers to build and manage high-net-worth client portfolios. Deliver expert advice on investments, pensions, tax planning, and other financial products. Proven track record in financial services or wealth management required.

Junior Talent Acquisition Specialist to support recruitment across Europe, the USA, and other countries. Manage full-cycle recruitment processes, create job descriptions, and collaborate with hiring managers. Requires 1+ years of relevant experience, LinkedIn proficiency, and English fluency (B2+).

Experienced Database Administrator needed for mission-critical AWS environments. Responsibilities include database installation, performance tuning, query optimization, and workload management. Must have experience with AWS RDS Aurora PostgreSQL, Aurora/MySQL, and Amazon Redshift.