react English-speaking jobs in Espinho

Design, build, and maintain backend systems prioritizing customer success. Collaborate with cross-functional teams to architect and implement RESTful APIs and production-ready services. Apply domain modeling principles and Kubernetes for deployment and scaling.

Data Engineer to design, build, and maintain scalable data models and pipelines. Develop data products, APIs, and ensure reliable data delivery. Strong SQL, Python, Azure Data Factory, and Databricks experience required.

Senior Machine Learning Engineer will collaborate with cross-functional teams to deliver AI solutions. Responsibilities include designing, implementing, and deploying AI models, leveraging GenAI for intent recognition, and building vector stores and graphs. Strong Python skills, experience with cloud technologies, and understanding of AI frameworks are required.

Designs and owns sourcing metrics and LLM evaluation systems for an AI-native hiring platform. Translates qualitative feedback into measurable data and builds frameworks to track continuous improvement. Collaborates with product and engineering teams to implement solutions and maintain high code quality.

Cipher, a cybersecurity company, seeks a Senior Security Analyst to monitor and respond to security threats. The role involves analyzing events, vulnerabilities, and logs to determine root causes and recommend solutions. Requires 4+ years of experience in information security, project management, and security infrastructure platforms. Must have strong technical skills in cybersecurity, cloud environments, and network infrastructure. Fluency in English and Portuguese is required.

Account Executive manages and grows strategic enterprise-level accounts, exceeding sales targets through account management, upselling, and cross-selling.

Provides customer support via voice, investigating, troubleshooting, and resolving customer issues. Ensures high standards are met and work is carried out efficiently. Must be able to read, write, and speak English and German (min B2).

The Club Operations Manager oversees daily operations at Estoril Riviera Country Club, ensuring exceptional member experiences and impeccable standards across all facilities. This role leads the operations team, manages member feedback, and coordinates schedules to maintain high-quality service and continuous improvement.

Provide customer support via multiple channels in Spanish and English (B2 level). Troubleshoot issues, educate customers, and collaborate with internal teams. Minimum 1 year of customer service experience required.

Paperlike seeks two part-time content creators to produce 6-7 videos per month showcasing iPad accessories. Content focuses will be either digital art or productivity/lifestyle. Creators will collaborate with the social team on strategy, content direction, and performance.

Provide technical and accounting support to customers via phone, email, and chat. Prepare offers and demonstrate software solutions to prospects. Collaborate with the Customer Support team to deliver excellent customer experiences.

Cloud & DevOps Engineer to design, implement, and maintain a cloud-agnostic internal platform. Responsibilities include defining a DevSecOps framework, building CI/CD pipelines, and managing cloud infrastructure in Azure. Requires 3-5 years of experience in DevOps, Cloud Engineering, or similar roles with strong knowledge of Linux, Windows, virtualization, container orchestration, and Infrastructure as Code.

Quality Assurance Engineer with 3+ years of experience needed. Must have strong load/performance testing knowledge, experience with JMeter and/or k6, and experience designing and executing functional tests. Ability to review and validate functional documentation is required.

SYVANTECH seeks Functional and Technical SAP Consultants to join a growing team in Portugal. Consultants will participate in SAP implementation, enhancement, and support activities across various modules (Fiori, Basis, TM, EWM, IBP).

Treasury Operations Manager to build and lead a new team, overseeing daily treasury activities, implementing systems, and driving operational efficiency.

Quality Assurance Analyst to join our Engineering team. Focus on ensuring integrations of digital payment and crypto systems function as expected. Collaborate with engineers, product managers, and QA team members to validate system behavior and identify potential risks. Responsibilities include test planning, execution, defect reporting, and contributing to automation frameworks.

Research grant opportunity within the SEQURED project focused on developing a toolchain for automated generation of crypto accelerators based on CGRAs.

Senior QA Automation Engineer will design, develop, and implement automation testing strategies. Responsibilities include developing test automation scripts, supporting developers, and mentoring team members. Requires 5+ years of experience in software quality assurance, automation testing, API testing, and scripting languages.

BrainRocket seeks a Senior IT Recruiter to manage full-cycle recruitment for tech and non-tech roles in Lisbon, Portugal. The ideal candidate has 5+ years of IT recruitment experience, strong research skills, and proven success in closing technical and management vacancies.

Senior .Net Developer with 5+ years of experience in analysis and programming. Proficiency in .NET Core (C#), Azure, SQL Server, and Oracle. Experience with OpenShift/Kubernetes and Agile methodologies. Functional knowledge of funds, securities, and insurance.