specialist English-speaking jobs in Mafra

Lead Data Engineer needed for a 12-month contract in Lisbon (hybrid). Design and deliver scalable, cloud-native data platforms using Azure, Fabric, Synapse, and Data Factory. Develop solutions with Python, SQL, and Spark. Mentor engineers and translate business requirements into technical solutions.

Application Security Engineer needed to secure a PHP and JavaScript web application and its AWS infrastructure. Responsibilities include designing, implementing, and improving application security controls, embedding security into the CI/CD pipeline, performing secure code reviews, and analyzing application traffic. Experience with AWS security services, container security, SAST/DAST tools, and secure coding practices is required.

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.

Quality Trainee/Intern will support the optimization of production routines and KPIs, ensuring qualitative performance and customer experience excellence. The intern will assist in standardizing production processes, implementing Lean tools, and collaborating with departments to optimize processes.

Side is seeking a part-time Polish Player Support Advocate to provide top-tier support to gamers. Responsibilities include resolving technical issues, responding to customer queries, and ensuring a positive customer experience. Fluency in Polish and English is required.

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.

Review and moderate text, image, and video content to ensure community guidelines are followed. Identify and escalate inappropriate content. Provide user feedback and support.

As a Customer Service Agent, you will be the primary point of contact for brands and their customers across various digital platforms. You will monitor and engage with customer reviews, comments, and messages, providing clear and helpful responses while adhering to brand guidelines.

Provide Dutch-speaking customer support via phone, email, and chat. Troubleshoot issues and escalate complex cases. Maintain documentation standards and contribute to team success.

The Key Account Manager - Mass Market will define and execute commercial strategy for Mass Market Retailers in Portugal, building partnerships and driving financial targets.

Descodify, a Portuguese fintech startup, seeks a Contabilista Certificado to build and shape an automated accounting and tax solution for solo entrepreneurs. The role involves product development, client support, and handling the company's tax obligations.

FullStack Developer needed for end-to-end development using C#/.NET, Python, React, and Azure. Experience with REST APIs, Git, and CI/CD is required. 5+ years of fullstack experience is necessary.

Provides food and drinks to guests efficiently and according to procedures. Maintains cleanliness of equipment and bar area. Demonstrates knowledge of menus and beverages. Complies with health, safety, and fire regulations. Maximizes revenue through upselling and customer service.

The Insurance Manager designs, places, manages, and optimizes all insurance programs for the Avincis Group. Responsibilities include managing aviation, corporate, and people-related insurance, overseeing claims, and ensuring compliance with regulations.

The Champalimaud Research Operations Unit Officer maintains organized, safe, and well-functioning laboratory spaces. Responsibilities include equipment database management, maintenance, and training, as well as ensuring compliance with safety regulations and procedures. The ideal candidate has a bachelor's degree in a life sciences field, proficiency in English, and experience with databases and MS Office.

Provide tax compliance and advisory work for clients in the asset management industry, focusing on international and state and local taxation. Work with Managers and Partners on key client issues, implementing tax strategies aligned with business objectives.

Senior Backend Developer will design, build, and maintain scalable backend services. This role involves technical leadership, people management, and hands-on engineering contributions. Responsibilities include collaborating with product teams, improving existing systems, and promoting strong engineering practices. Must have 10+ years of experience writing production-grade code, 4+ years designing backend systems, and experience managing or mentoring engineers.

Assists in managing day-to-day operations of 3PL partners and logistics vendors. Supports negotiation and monitoring of Service Level Agreements (SLAs). Tracks and reports on logistics KPIs. Resolves operational issues and supports identifying new carriers. Collaborates with cross-functional teams to improve delivery performance.

This role supports strategic planning, operational efficiency, and data-driven decision making. Responsibilities include data analysis, reporting, presentation creation, and market research. Requires an MBA and 2-4 years of experience in a relevant industry.

Product Manager 2 will steward the global Network of integrations with retail and ecommerce platform partners. This role focuses on maintaining, enhancing, and evolving key content destinations to enable customers to provide a best-in-class omnichannel experience. Success requires a proactive learner who can understand technical concepts, connect them with business value, and partner with Engineering, cross-functional partners, and Product leadership.