react English-speaking jobs in Espinho

Quality Analyst to monitor interactions, ensure accuracy, and coordinate training for vendor QA partners. Publishes quality reports, drives process improvement, and ensures quality/RCA alignment and CSAT targets are met. Requires Portuguese native fluency, English fluency (B2/C1), and 2+ years of QA experience.

Experienced lawyer sought for corporate, litigation, and real estate matters. Advising clients, managing litigation, and handling real estate transactions. Strong drafting, analytical, and communication skills required.

As a Junior Data Specialist, you will collect, process, and enter macroeconomic data into the Macrobond database. You will use economic knowledge to identify trends and ensure data quality, communicate with sources, and find opportunities to improve work processes.

Product Manager to drive innovation and user-focused solutions for the Sportsbook domain within Flutter Entertainment. Manage product roadmap, backlog, and OKRs, collaborating with engineers, designers, researchers, and stakeholders. Ensure timely delivery of features that add customer and business value.

Patent Counsel with a Life Sciences background and European patent practice expertise sought to protect and value Bial's innovation pipeline. Collaborate with R&D, Legal, and business teams to identify, capture, and shape patenting opportunities. Draft, file, and manage patent applications globally. Conduct IP assessments and contribute to IP strategy development.

Android Developer with 6+ years of experience in native Android development (Java and Kotlin) sought. Requires a Bachelor's degree in Computer Engineering or related field and experience with Android architectures, design patterns, and CI/CD pipelines.

Telehealth Physician needed for a contract position in Faro, Portugal from October 11th to 15th, 2026. Must be licensed in Portugal, have experience in general medical care and remote patient consultations, and be fluent in Portuguese and English.

Designs, builds, and supports network infrastructure for self-service technology solutions in airport environments. Manages LAN/WAN/SANs, firewalls, VPNs, and wireless networks. Evaluates new technologies and ensures network security and availability. Requires 5+ years of experience in enterprise networking. Expertise in TCP/IP, VLANs, routing protocols, QoS, ACLs, and firewalls is essential.

Provide German-speaking customer support via phone, email, and live chat. Resolve customer inquiries and maintain high satisfaction levels. Must have C1 German and B2 English, EU passport, and willingness to relocate to Lisbon.

Principal Software Engineer needed for full-time independent contractor role. Responsible for technical ownership of a high-revenue web platform and mobile app, including architecture design, server-side rendering, and performance optimization. Must have experience with Node.js, TypeScript, React, MySQL, BigQuery, and GCP.

Junior Cybersecurity Engineer to join Security Engineering team. Contribute to cybersecurity projects, learn from senior members, and apply knowledge of security operations and programs.

Provide Swedish and English language customer support to business clients via phone, email, and chat. Resolve inquiries, troubleshoot issues, and offer solutions to optimize client service usage.

Sales Executive to support and grow presence across Spain. Manage existing client relationships, identify new sales opportunities, and collaborate with internal teams. Deliver product presentations, assist with quotations and contract administration, and support the smooth day-to-day running of the sales function.

Cyber Security Engineer to conduct investigations, manage security solutions, define security controls, and assess technical risks. Requires a relevant academic background, 3+ years of experience, and fluency in English.

Senior Java Developer will design, develop, and support internal system integration solutions. Responsibilities include implementing unit and integration tests, investigating production incidents, and participating in all phases of the software delivery lifecycle. Requires 5+ years of Java development experience, including Spring/Spring Boot, and experience with Kafka, Tibco Rendezvous/JMS/MQ, and Java web servers.

Data Developer to develop technical frameworks, implement TPCV modeling, and ensure data quality. Experience with Python, Dataiku, SQL, ETL processes, and cloud environments required.

Defect Manager with 10+ years of experience needed for a full-time, hybrid position in Lisbon. Responsibilities include owning the defect approach and strategy, managing the defect process, triaging defects, and coordinating retests. Requirements include experience in QA/Defect Management, strong understanding of SDLC and Agile processes, and proficiency in JIRA, Zephyr, Azure DevOps, or similar tools. ISTQB Foundation Certificate is required.

Photonics Packaging Engineer to develop and refine assembly processes for advanced optoelectronic modules. Requires 5+ years of experience in photonic packaging and optical/electrical characterization.

Sales Agent & Account Manager needed for fast-growing, fully remote company. Manage the full sales cycle, build relationships with startup founders, and drive revenue. 3+ years of B2B sales or account management experience required. Familiarity with the startup ecosystem and fundraising processes is essential.

The Associate Director, Medical Account Management, leads a team of Account Leads, driving client growth and excellence within the Pharma Review team. This role supports Account Leads on organic growth, conflict resolution, and best practice implementation.