react English-speaking jobs in Espinho

The Chief of Staff will work directly with the CEO, managing financial planning, OKRs, investor communications, legal coordination, process design, and special projects. This role requires strong analytical and financial skills, experience with strategy consulting, and the ability to build systems and dashboards.

Customer Support Agent needed for a worldwide leader in Customer Experience Management. Must be Russian native/C2 and English fluent. EU passport or Portuguese residency required.

C++ Developer to customize a closed-architecture booking and trading platform. Develop C++ features, perform reverse engineering, and collaborate with teams in Lisbon and Porto. Background in Computer Science, C++ development, and Capital Markets is preferred.

Customer Support Specialist providing expert product knowledge and handling customer inquiries via telephone. Fluent German (C1/C2) and English (B2/C1) required.

Project Lead with strong experience in infrastructure managed services and SAP. Leads projects within a globally sourced delivery model, managing teams and collaborating with stakeholders. Requires advanced project management skills and understanding of technical systems and migrations.

Exceptional IB Mathematics educator sought to design personalized, student-driven learning experiences. This role requires fluency in curriculum delivery and bespoke learning design, integrating mathematics with STEM fields.

The Customer Happiness Specialist engages leads, understands customer needs, recommends culinary experiences, and guides bookings. This role involves providing customer support, resolving issues, and collaborating with chefs and venue partners.

Backend Engineer needed to build and maintain a Node.js proxy backend for an AI platform. Responsibilities include integrating with existing systems, managing inference requests, and extending the dashboard. Strong Node.js, NestJS, PostgreSQL, Redis, and Socket.IO experience required.

Technical Leader for an international project. Responsibilities include solution architecture, documentation, and collaboration with Subject Matter Experts. Requires experience in Java, J2EE, Spring, API, Agile frameworks, DevOps, and testing tools. Knowledge of cloud applications, AI assistants, and BDD methodology is valued. Fluency in English is required.

The Head of Marketing will drive growth and market traction for Starweaver's AI-powered learning ecosystem, focusing on Journeybuilder and content/distribution partnerships. Responsibilities include B2B adoption, pipeline generation, brand building, event strategy, and team leadership.

Sales Engineer to drive sales growth within the vehicle and automation industry. Identifies new business opportunities, builds customer relationships, and provides technical support. Requires a Master's degree in Engineering and experience in technical sales.

Credit Controller - Senior Process Associate - French/German - Remote. Responsible for data entry, premium collections, account reconciliation, debt recovery, and client communication. Requires a finance-related qualification, fluency in French or German, and experience in credit control.

IT Solution Architect for Project and Portfolio Management Solutions. Designs, builds, and maintains PPM solutions ensuring functional completeness, scalability, performance, and maintainability. Collaborates with IT Product Owners, delivery teams, and vendors to ensure architectural intent is preserved throughout Agile delivery. Provides supervision and guidance to development teams and helps resolve technical problems.

QA/BA for Treasury Solutions needed. Bachelor's or Master's degree in IT, Project Management, or related field. Solid experience with Agile Methodology, Jira, Confluence, Test Case Design, SQL, and UML. Banking or Financial knowledge preferred. Excellent English skills and strong communication and teamwork abilities.

Full Stack Developer (mid level) to design, develop, and maintain scalable Java applications. Collaborate with teams to translate project requirements into technical specifications. Troubleshoot issues, ensure application performance, and stay current with industry trends. Requires 5+ years of Java development experience, knowledge of Angular, and proficiency in SQL and NoSQL databases. Strong communication skills in French and English are mandatory.

Senior SAP S/4 Hana ABAP Developer with 3-5 years of experience in ABAP Programming (Enhancement, Workflows, Interfaces, Forms, and Reports). Must know Clean Core Strategy and modern SAP ABAP Development tools (RAP, SOA, CDS Views, oData API's, Clean Code, AIF, etc.). Experience with Side-by-Side, Key User, and Classic Extensibilities, ABAP on Cloud, and SAP Business Technology Platform is required.

Provide customer support via phone, email, and chat for a world-leading outsourcing company. Handle level 1 customer requests, offer solutions, and ensure follow-up. Must be fluent in French (C2 level) and have strong interpersonal skills. English proficiency (B2 level) is also required.

DesignRush seeks a Senior Marketing Journalist to create original stories in AdTech, MarTech, and branding. Responsibilities include publishing daily news, features, and explainers, identifying story leads, and partnering with executives for co-branded content.

Clinical Research Associate II will conduct site visits, ensure protocol compliance, and collaborate with investigators. Requires a Bachelor's degree, 2+ years of experience, fluency in English, and knowledge of clinical trial regulations. Must be able to travel 60% of the time.

BrainRocket seeks a Senior Motion Designer specializing in 2D animation to lead visual direction and execution of video projects. Responsibilities include developing animations, collaborating on concept ideation, and mentoring junior designers. Requires 5+ years of experience, proficiency in After Effects and Adobe Creative Suite, and a strong sense of composition and storytelling.