react English-speaking jobs in Espinho

Capital Allocation AI Expert needed to evaluate investment opportunities, guide build vs. buy decisions, and prioritize initiatives using AI-driven insights and financial frameworks.

Provide customer support via phone, email, and chat to customers in Polish, Czech, Greek, or Hungarian. Assist with orders, accounts, and platform navigation. Fluent language skills and strong communication are required.

Design, develop, and maintain automated test suites for UI and API testing. Integrate tests into CI/CD pipelines and collaborate with developers to ensure quality throughout the software development lifecycle.

Senior Go (Golang) Engineer to build backend services in EKS and Lambdas for product data, inventory, shipping logistics, and product life cycle management. Requires 4+ years of experience, proficiency in Go, web services, and relational databases.

This is a permanent, salaried insurance sales position offering full training. The role involves providing tailored insurance solutions to new and existing clients. Excellent English communication skills are required.

Senior UX/UI Designer to create scalable, accessible digital experiences for international clients. Responsibilities include user research, design systems, wireframing, prototyping, and collaborating with stakeholders. Must have experience in enterprise and/or e-commerce design, strong communication skills, and proficiency in design tools.

Investment Banking or Private Equity Expert needed for a contract role. Build financial models, collaborate with AI research teams, and evaluate AI-generated financial content. Must have at least 2 years of experience in investment banking or private equity with deal experience.

Junior/Mid AI Video Artist will create engaging video content for digital platforms, focusing on user acquisition. Responsibilities include editing, post-production, and collaborating with teams to develop concepts and storyboards. Must have 1-5 years of video editing experience and familiarity with tools like Adobe Premiere Pro, After Effects, Final Cut Pro, or Davinci Resolve.

Software Engineer to develop and evolve applications using Java. Experience with backend applications, relational databases, REST APIs, and version control required.

HSQE Manager / Técnico Superior de Segurança no Trabalho will support Q Energy's growing construction and operational activities in Portugal. Responsibilities include deploying and maintaining the QHSE management system, ensuring compliance with Portuguese QHSE regulations, and supporting local teams in implementing QHSE procedures. The role requires a Bachelor's degree in HSQE Management or related degree, at least 5 years of experience in the energy, construction, or industry sectors, and proficiency in English, Portuguese, and Spanish.

Research Scientist to miniaturize diamond sensing platforms, design RF antennas, and integrate with micro-optical elements. Apply quantum sensing protocols to consortium samples and develop use cases in biomedical, chemical, and chirality sensing.

Fireflies.ai seeks a Design Engineer to improve UI/UX of key product surfaces. Responsibilities include designing, building, and shipping frontend improvements, collaborating with the Design team, and using data to identify areas for enhancement. Candidates should possess strong design taste, frontend engineering skills (React/TypeScript), and a shipping mindset.

Senior Backend Developer will build and maintain scalable backend services and APIs. Responsibilities include collaborating with product and engineering teams, optimizing services for performance, and implementing security best practices. Requirements include 5+ years of experience as a Backend Developer, experience with REST APIs, SQL and/or NoSQL databases, and experience with Docker, Kubernetes, Git, and CI/CD workflows.

Design, develop, and maintain scalable back-end systems. Collaborate with product managers, front-end engineers, and stakeholders to implement new features. Write clean, maintainable, and efficient code. Build and optimize APIs. Participate in code reviews and provide feedback.

Database developer needed for Sybase environment. Responsibilities include writing T-SQL queries, developing stored procedures, and creating Linux shell scripts. Must have experience with Python, WTX, and SAP Business Objects.

The AI Success Specialist accelerates Zendesk customers' realization of business value from advanced AI agents. This role involves guiding customers on best practices, optimizing AI performance, and driving AI adoption. The specialist will leverage analytical capability to interpret AI performance data and identify growth opportunities. They will also function as a strategic partner and trusted advisor to customer executives, co-creating innovation strategies and aligning on shared goals for AI-powered transformation.

Technical Sales Account Manager to manage strategic international key accounts, focusing on growth, retention, and expansion. Requires 10+ years of experience in SaaS/Telco software sales with a proven track record of success in enterprise accounts. Must be comfortable working flexible hours aligned with US time zones.

Joom Group seeks an experienced Legal Counsel (IP and Privacy) to join its legal team. Responsibilities include providing IP legal support across marketplace operations, driving privacy compliance, collaborating on product development, drafting and negotiating agreements, and supporting marketing activities. The ideal candidate will have 3-5 years of experience in IP and privacy law, a strong IP practice, deep GDPR experience, and the ability to draft and negotiate agreements.

Lead product development for IoT solutions, edge computing platforms, and robotics in the industrial sector. Collaborate with cross-functional teams, conduct market research, and communicate product vision.

As a CC Expert, you will be the primary point of contact for English and German-speaking customers, providing support through various channels and resolving issues. You will engage with customers proactively, contribute to a high standard of customer care, and take ownership of projects.