react English-speaking jobs in Espinho

Devoteam Cyber Trust seeks a Vulnerability Management Operator to execute vulnerability assessments, analyze results, and collaborate with technical teams to mitigate risks.

Lead an engineering team building enterprise security features for Kraken's largest clients. Design, implement, and deliver security solutions including authentication flows, provisioning automation, and integrations.

Provides administrative support for mortgage operations. Processes applications, drafts documents, manages customer data, and reports errors. Requires a Bachelor's degree or equivalent, strong English (B2 minimum), and attention to detail.

Side is seeking a 20h Part-Time Russian Player Support Advocate to provide top-tier support to gamers. Responsibilities include resolving customer queries, troubleshooting technical issues, and ensuring a positive customer experience. Fluency in Russian and English is required.

Accountant to support Treasury department with Accounts Payable and Receivable activities. Requires 2-3 years experience, strong Primavera knowledge, and fluency in Portuguese and English.

Senior Digital Marketing Specialist focused on Google Ads optimization for high-value clients. Requires C1 level German, strong analytical skills, and 1+ year of Google Ads experience.

Leads and develops the Product Design function, focusing on simplicity, usability, and customer outcomes for solopreneurs and micro-businesses. Ensures design is deeply embedded in problem definition, product strategy, and delivery of coherent experiences. Advances AI-enabled design practices to increase speed and improve outcomes. Owns and evolves the design system, balancing consistency, scalability, and innovation. Leads, coaches, and grows a senior Product Design team.

Accounts Payable Specialist will process vendor invoices and employee expenses, ensuring accurate coding and timely support of the monthly close.

Freelance peer reviewers with a PhD/MD and two recent publications in arrhythmia are needed to assess manuscript novelty, study design, literature review, results, and provide constructive feedback.

Contract Manager to support O&M projects across all energies and geographies. Define contractual strategies, participate in offer preparation and negotiations, review contracts, and ensure legal and internal compliance.

Operations Agent needed to manage bookings, communicate with suppliers and destination teams, and ensure smooth service delivery. Must have experience in the leisure and tourism industry, excellent communication skills in Portuguese and English, and the ability to work in a fast-paced environment.

Java Fullstack Developer for a hybrid project in Braga. Requires 5+ years of Java experience, proficiency in HTML, CSS, JavaScript, and SQL/NoSQL databases. Familiarity with Microservices, Cloud, and Container Architecture is essential. Must have good English (B2 minimum). Responsibilities include full stack development, database integration, agile methodology participation, code quality assurance, and CI/CD.

Cyber Risk Analyst will identify, analyze, and monitor cyber and operational risks across critical IT payment services. Responsibilities include defining cybersecurity governance, supporting payment services teams in risk management, and contributing to risk assessments and remediation plans. Experience in cyber risk, IT risk, or operational risk management is required.

Manage room reservations, process group requests, and provide customer service. Must have a tourism or hospitality education and fluency in English. Experience with Opera PMS or Concerto is a plus.

As the Senior Total Rewards Partner, you will design and administer global compensation and equity programs, ensuring they are competitive, scalable, and compliant across all markets. You will manage equity structures, benchmark benefits, and maintain job leveling frameworks. You will also act as a data-driven consultant, providing insights to support talent decisions and ensuring transparency in rewards practices.

Xsolla seeks a Web3 Ecosystem Business Developer to lead ZK ecosystem adoption in EMEA. The role involves identifying and partnering with game studios, blockchain infrastructure providers, and wallets. Responsibilities include structuring deals, onboarding projects, and contributing to go-to-market strategy. Ideal candidates have 3+ years of Web3 business development experience, deep knowledge of Web3 gaming, and understanding of zero-knowledge tech.

The Cyber Governance Officer oversees and implements cyber governance practices, ensuring compliance with regulations and internal policies. The role involves defining IT security policies, monitoring controls, and raising employee awareness. Requires 5+ years in cybersecurity, knowledge of ISO27001 & NIST, and experience in strategy and governance.

Investigate and resolve issues reported by buyers, sellers, customers, and creators. Review reported issues within agreed turnaround times and standards of quality. Escalate issues to the client in accordance with the MSA and SOW. Drive overall Customer Satisfaction metrics.

Salesforce Developer with 3+ years of experience in the Salesforce ecosystem. Experience in Salesforce Platform, Service Cloud, Sales Cloud, or Experience Cloud required. Must have experience with Apex, LWC, Aura, REST/SOAP integrations, and team management. Fluent English required. BSc or MSc in Computer Science or related field and relevant certifications are mandatory.

Workday Product Specialist (Learning & Development) will support analysis, configuration, and continuous improvement of Workday. Responsibilities include troubleshooting, user support, system maintenance, release management, and business consulting. The role requires experience with Workday Learning & Development, HRIS implementations, and strong analytical and communication skills.