react English-speaking jobs in Espinho

Junior DevOps Engineer will contribute to new features, ensure service availability, and work with teams to extend automation capabilities. Responsibilities include problem remediation, process improvement, technical escalation support, and documentation.

System Engineer to define, simulate, and validate heat pump systems and components, supporting the full product development cycle.

Senior Buyer specializing in logistics (freight, warehousing, distribution) for global clients. Leads sourcing initiatives, manages tenders, and develops supplier relationships. Requires fluency in French and English, 5+ years of experience in logistics procurement, and strong negotiation skills.

Senior/Lead Backend Engineer (Staff-level mindset) with strong Go and production-grade peer-to-peer (P2P) systems expertise. Designs and develops scalable, distributed backend applications and microservices. Builds and optimizes mission-critical software with a focus on system programming, concurrency, and performance tuning. Collaborates within an Agile/Scrum team and contributes to the full application lifecycle.

Support HRIT initiatives and system operations. Assist with implementing, configuring, and optimizing HR tools. Translate HR processes into system setups and workflows. Provide user support and improve HR data accuracy.

Design, build, and maintain scalable data platforms using GCP. Process and analyze large datasets with Spark, Apache Beam, and other Big Data tools. Collaborate with teams to ensure data accuracy and security.

Customer Service - Level 1 Agent provides technical and operational support to clinical staff and stakeholders for a global pharmaceutical company. Responsibilities include triaging and resolving inquiries, escalating complex issues, and maintaining a high standard of customer service. Fluent English and German (written and spoken) are required.

Post-MBA Program at ComparaJa offers a unique opportunity to drive growth in a fast-paced environment. Responsibilities will center around product development, team leadership, brand amplification, and strategic execution. Successful candidates will be highly ambitious, proactive, and possess strong communication and organizational skills. Native or near-native Portuguese proficiency is required.

Lead Zumub's logistics operations in Italy, including warehouse setup in Milan. Manage local logistics, team leadership, process definition, and cost/quality control.

Senior Data Platform Engineer to develop and maintain data pipelines for blockchain data processing. Requires 8+ years of software engineering experience, strong Python and SQL skills, and experience with data lakes, warehouses, and databases. Blockchain knowledge is a plus.

Senior Fullstack Engineer needed to scale core products. Requires 5+ years experience as a Backend or Fullstack Engineer, 2+ years with Golang and TypeScript, and strong SQL database experience. Must be proficient in partner API integration and product development. Fluent English required.

Inside Sales Specialist focused on customer renewals within the DACH region. Collaborate cross-functionally to ensure customer retention and expansion. Requires 1-2 years of experience in sales, customer retention, or customer service, ideally within the IT/SaaS environment. Fluency in German and English is mandatory.

Design and develop cross-platform mobile and web applications with a focus on usability and performance. Build and maintain SDKs, contribute to technical requirements, and develop real-time communication features. Integrate apps with cloud platforms and collaborate with teams to ensure end-to-end functionality.

RPA Developer with minimum 1 year of experience in Blue Prism development. Must be fluent in English and able to work in a hybrid model (2-3 days/week) from the Lisbon office. Valid work permit for Portugal required.

Senior Application Security Expert contributes to the deployment of the Group's Application Security strategy. Provides operational support to entities in implementing the strategy and collaborates with solution providers to fix issues.

The Payment Platform Owner & Implementation Lead will architect and scale a next-generation payment infrastructure across multiple markets. This role defines and maintains a global payment capability model, designs market-specific payment flows, and integrates the payment platform across various systems.

Assist the Finance Manager in scaling a robust Web3-native accounting and control environment. Record, classify, and reconcile both fiat and on-chain financial activity across multiple entities and products. Bridge the gap between traditional general ledger systems and crypto data sources.

Content Moderator for Social Media will review and moderate user-generated content for the French market, ensuring compliance with platform policies and community standards.

Software Quality Analyst will collaborate with cross-functional teams to ensure quality is embedded throughout the software development lifecycle. Responsibilities include reviewing requirements, designing and executing test cases, identifying and tracking defects, and contributing to the growth of the automation framework.

Oracle PL/SQL Developer needed with 3+ years of experience developing with Oracle Database. Must have experience with Oracle forms and reports, database modeling, and query optimization. Strong communication and problem-solving skills required. Fluent in English.