react English-speaking jobs in Espinho

Wire IT seeks an AI Quality Assurance Engineer with 3+ years of experience testing backend applications, preferably in banking or brokerage. Requires expertise in AI testing tools, root cause analysis, and Linux environments.

CyberSecurity Engineer (SOC) to monitor ARMIS platform health, create security use-cases, and integrate with OT and IT systems. Requires Armis Certified Engineer (ACE) certification, fluency in Portuguese and English, and on-site availability in Lisbon.

Junior Fullstack Developer with 1+ years of experience in C#, .NET Core, and Blazor. Must have hands-on experience with Rest API and CI/CD tools. Fluency in English (B2 level) required. Hybrid position (2 days/week in Porto).

Revenue Operations Business Partner to streamline GTM processes, enhance data transparency, and drive scalable growth. Collaborate with Senior Business Partners to oversee GTM activities and provide operational support.

Attune seeks a hands-on AI Researcher to design and implement the core intelligence architecture of its AI-powered coaching product. Responsibilities include translating behavioral theory into computational models, improving longitudinal signal tracking, and building evaluation frameworks for AI reliability. The ideal candidate has experience in applied AI, NLP, and ML systems, with a bias towards building and shipping.

The Technical Lead (Cloud) designs, delivers, and ensures the quality of AWS-based integration solutions. This role involves hands-on development, technical leadership, mentoring, and architectural decision-making. Responsibilities include managing integration engineers, building and securing AWS and SaaS environments, and leading architecture decisions for APIs, event-driven systems, and data integrations.

Senior Software Engineer to develop backend solutions for document identity verification. Responsibilities include building and optimizing Python-based AI/ML systems, integrating with web and mobile applications, and contributing to technical strategy. Requires 5+ years of professional software development experience with a backend and ML focus.

Detail-oriented professional to join a global financial markets environment, focusing on the control and monitoring of Sales and Trading activities. Ensures trading operations are conducted in line with internal policies, regulatory expectations, and risk standards.

Lead or Architect Salesforce professional sought to design solutions and oversee technical delivery for an enterprise client.

Field Technician to install, maintain, and optimize Bystronic machines at customer sites. Responsibilities include troubleshooting, training customers, and collaborating with sales and service teams. Requires a technical background (e.g., technical school, vocational training, engineering degree) and 1-3 years of experience.

Data Engineer to design, build, and maintain scalable data models and pipelines. Develop APIs, ensure data quality, and collaborate with cross-functional teams. Requires strong SQL, Python, Azure Data Factory, and Databricks experience.

Site Reliability Engineer to design, deploy, and maintain scalable infrastructure in Azure. Manage Kubernetes clusters, implement IaC solutions, and develop CI/CD pipelines. Contribute to microservices development using .NET and/or Java.

Full Stack Engineer to build and scale an internal GPT assistant using Node.js, Python, and MongoDB. Responsibilities include platform development, architecture, and driving innovation with generative AI. Requires experience with version control, generative AI APIs, and document databases.

System Integrator needed for a long-term project in Oeiras, Portugal. Requires a Bachelor's degree in a relevant technical field and 3+ years of experience in system integration or technical coordination. Must have experience across multiple technical domains and managing system dependencies. Structured, security-focused environment. Security clearance required.

QA Analyst to ensure quality, reliability, and performance of digital products. Responsibilities include designing and executing test cases, identifying and tracking bugs, and collaborating with development teams. Requires a Bachelor's degree and 3+ years of experience as a QA Analyst. Experience in Agile/Scrum environments and iGaming is a plus.

Fullstack Developer to design, develop, and maintain cloud-based SaaS applications. Experience with .NET Core, React.js or Angular, SQL Server, RESTful APIs, and Azure DevOps required.

Collibra Platform Engineer needed to administer, configure, and integrate the Collibra platform with other systems. Develop workflows for governance, data quality, and user training. Experience with data platforms (Databricks, Azure, or AWS) and REST APIs, Java, Python, or Groovy required.

Salesforce Developer with 4+ years of experience needed for hybrid role in Porto, Portugal. Must have strong knowledge of Salesforce platform customization and development, including Apex, Visualforce, LWC, integrations, and administration tasks.

Senior Fullstack Engineer to develop and maintain frontend applications using ReactJS and design scalable APIs with NodeJS and TypeScript. Contribute to architectural decisions and work in Kubernetes-based environments. Must have 10+ years of experience, expert-level ReactJS skills, and strong NodeJS and TypeScript mastery. French C1/C2 required.

Frontend Developer to design, develop, and maintain web games, admin dashboards, and internal tools. Requires 3+ years of experience with HTML, CSS, JavaScript, and frameworks like React, Vue, or Angular.