react English-speaking jobs in Leiria

Part-time Library Assistant needed to assist with daily operations, including organizing and shelving books, helping patrons locate materials, and handling circulation duties. High school diploma required; English fluency is necessary.

Senior QA Automation Engineer requires 4+ years of experience using tools like Selenium, Playwright, or PostMan. Must be proficient in an OOP language, understand web technologies, and use test management tools. High English proficiency is required.

Ensure flawless guest environments at LSA properties by conducting daily room checks, running operations, and managing maintenance. This role requires a guest-obsessed, hands-on approach with English and Portuguese fluency.

Senior AI Engineer owns the agent harness, orchestration, and evaluation infrastructure for AI systems. Requires 6+ years of experience, LLM application engineering depth, and building end-to-end agentic systems.

Operate and support VoIP platforms and voice services, monitoring performance and ensuring stability. Troubleshoot incidents involving SIP signaling, SBC, and voice routing across various platforms. Requires experience in telecom environments.

Junior Observability Engineer to assist in implementing and maintaining monitoring solutions. Responsibilities include creating dashboards, alerts, and reports using tools like Datadog or Grafana. Requires a degree in a related field and basic understanding of observability concepts.

Data Mining Analyst to support Group Transformation by analyzing complex data to identify simplification levers and map end-to-end processes. Requires a Master's/Engineering degree and 3-5 years of experience with SQL, Python/R, and Process Mining tools.

HR Specialist – Payroll ensures accurate, timely payroll processing and compliance with labor and tax regulations. This role provides employee support, manages payroll administration, and handles HR documentation.

Supply Chain Performance Analyst responsible for generating KPIs, maintaining data integrity in Google Drive, and transforming raw data into governance reports using QLIK. Requires a degree in Business Administration, Data Analytics, or Information Management.

Lead development of core digital payments platform capabilities as a Technical Product Owner. Own the roadmap for APIs and microservices, defining technical requirements and ensuring resilient, cloud-native services. Requires 7+ years in Technical Product Management with payments industry experience.

Product Manager to own Detection & Response product areas. This role translates customer security workflows and threat scenarios into product requirements, prioritizing work and shaping short- and medium-term direction. Requires 3+ years of cybersecurity product management experience.

Business Development Representative to qualify prospects and convert leads into meetings for Account Executives. Requires 1+ years in sales, strong communication in English and Spanish, and a desire to build a sales career.

Revamping Engineer to identify and deliver optimization opportunities across assets. This role involves technical and financial analysis, solution design, and supporting bidding and client engagement. Requires an Engineering Degree and 3+ years of relevant experience.

Project Execution Lead requires a native Dutch speaker to manage marketing campaign execution. Responsibilities include project management, KPI tracking, and acting as a subject matter expert for global marketing engines. Requires 5+ years of marketing execution experience.

Payment Services Representative manages client money, allocates payments, and handles reconciliations. Responsibilities include accurate transaction recording, meeting deadlines, and liaising with Managed Services Teams. Proficiency in Excel is mandatory.

Data Engineer role seeking experience with SQL, data integration/ETL tools, and Big Data technologies like Spark or Hadoop. Familiarity with cloud platforms (AWS, Azure, Google) and coding in Python or Java is a plus. English communication is required.

Support shipping companies and port authorities through onboarding and operational support. Act as a contact for maritime stakeholders, ensuring solution integration and gathering market feedback. Requires 1-3 years in the maritime industry and fluent English.

Lead Global Quality Engineering and SAP S/4HANA integration. Drive quality culture across NPD and manage SAP QM deployment and governance globally. Requires engineering background and strong quality tools knowledge.

Manage the global SaaS platform, ensuring reliable, secure, and compliant operations. Oversee integrations, user access, data quality, and change control within the central governance framework.

Dutch/Flemish-speaking Team Leader needed for an international project. Lead, coach, and develop a Technical Support team, ensuring service excellence and achieving operational KPIs. Requires 2+ years of Team Leader experience in Technical Support.