4898 English-speaking jobs in Lisbon

Device Engineer will perform acceptance tests on new software device releases (iOS and Android), validate devices from manufacturers and customers, and assess interoperability with customer onboarding. Responsibilities include running tests in live and lab environments, validating footprint requests, and supporting internal teams with customer issues. Requires 3+ years of experience in mobile device field testing, knowledge of iOS and Android, and experience with 2G, 3G, 4G, and 5G technologies. Knowledge of AT-Commands, network signaling flows, and SIM card protocols is beneficial.

Troubleshoot customer network issues related to registration, voice, data, and SMS services across B2B, B2C, and IoT products. Analyze and resolve network faults using protocols such as SS7, MAP, ISUP, SIP, CAP, DIAMETER, and related telecom signaling stacks. Collaborate with cross-functional teams to ensure high network availability and performance.

Leads a Network Support Team ensuring alignment with business goals and customer service level agreements. Manages team schedules, on-call rotations, and incident escalation. Troubleshoots Voice, Data, and SMS services, analyzes service performance, and develops improvement plans. Collaborates with Engineering and Product teams on new releases and customer onboarding. Requires experience managing 24/7 service availability, network protocols (MAP, CAP, SIP, DIAMETER), and tools like Grafana and Superset.

Senior Full-Stack Developer to build a social media analytics platform from the ground up. Design and implement core platform architecture, web scraping infrastructure, and backend services. Must have 4+ years of experience, proficiency in and TypeScript, React, and PostgreSQL.

Full Stack Engineer to build and evolve frontend features for PerfectScale, a cloud infrastructure platform. Responsibilities include designing, developing, and maintaining platform components, collaborating with backend engineers, and improving frontend architecture. Requires 5+ years of software development experience, strong React + TypeScript skills, and comfort working across the stack.

Data Analyst to analyze connected data across TEKEVER's organization using graph databases and ontologies. Responsibilities include developing complex queries, ensuring data quality, building dashboards, detecting patterns, and reporting findings. Requires a Master's degree, 3+ years of experience, strong SQL and Python skills, and experience with data visualization tools.

Supports Zone Category Digital Lead in developing and implementing search strategy, overseeing SEO/SEM campaigns, and managing agencies.

Lead and develop an in-house recruitment team for a technology-driven organization. Oversee recruitment processes, support recruiters, and build relationships with hiring managers and stakeholders. Requires 5+ years of recruitment experience, ideally in tech, with experience leading recruiters.

Manager specialized in evaluating public programs and policies. Develops and manages evaluation studies for the public sector in Portugal and the European Commission. Analyzes and evaluates sectorial, regional, urban, and thematic public policies. Manages economic studies and consultancy. Requires a Master's degree in Economics or a related field and 5+ years of experience in evaluating public programs and/or policies. Full English proficiency is required.

Data Analyst to analyze connected data across TEKEVER's organization using graph databases and ontologies. Responsibilities include developing complex queries, ensuring data quality, building dashboards, detecting patterns, and reporting findings. Requires a Master's degree, 3+ years of experience, strong SQL and Python skills, and experience with data visualization tools.

Azure Integration Engineer will design, implement, and maintain ERP interfaces, ensuring reliable data flows and security. Requires 5-8+ years of experience with ERP systems (NetSuite, SAP, Dynamics, Odoo), strong SQL skills, and experience with Go, Rails, or Python.

Develop and maintain VBA applications (Excel, Access) for business units. Design solutions, identify automation opportunities, and collaborate with users in Paris and Porto.

Accounts Receivable/Credit Controller will manage and optimize the accounts receivable process, ensuring accurate and timely financial transactions. Responsibilities include cash application, customer communication, collections, and reporting. Requires a bachelor's degree, 2+ years of relevant experience, proficiency in English, and strong technical skills.

Provides responsive and customer-focused IT support, resolving incidents, handling service requests, and troubleshooting hardware and software issues. Demonstrates strong communication, problem-solving, and technical skills. Embraces continuous learning and improvement.

Backend Engineer to develop and maintain Java backend services for a high-scale platform. Contribute to the full software development lifecycle, from requirements gathering to deployment. 3+ years of Java experience required.

The SAP Internship Academy is a learning and development program designed to prepare young talents for a career in SAP Consulting. Participants will receive intensive training, hands-on experience, and mentorship.

Clinical Research Associate to conduct onsite monitoring visits, perform CRF review and query resolution, and manage site communication for a mid-sized CRO.

MoOngy seeks a Cobol Developer to maintain and enhance critical legacy systems. Responsibilities include developing and debugging Cobol applications, designing integrations, and collaborating with cross-functional teams. Requires solid experience with Cobol, CICS, MQ, JCL, DB2, and mainframe technologies.

MoOngy seeks a Data Scientist / ML Engineer to design, build, and deploy AI and ML solutions. Responsibilities include developing and deploying ML/AI models, fine-tuning LLMs, and conducting data analysis. Strong experience in ML, AI, and data science is required, along with proficiency in Python. Fluency in English is mandatory.

Senior/Lead Data Engineer with 5+ years experience in cloud-native data architecture, design, and implementation. Proficiency in Microsoft technologies (Fabric, Azure Data Factory, Synapse) and programming languages like Python, SQL, and Spark. Experience with data warehousing, data lakes, and DevOps/DataOps practices. Strong communication and mentorship skills.