112 English-speaking jobs in Barcelona

Javascript Developer will analyze, develop, and track requirements for A/B tests on web platforms. Responsibilities include unit and manual testing, cross-functional collaboration, and code reviews. Requires 5+ years of experience as a Frontend Engineer with in-depth knowledge of JavaScript, TypeScript, HTML, and CSS.

An AI & Automations Operations Intern will design, build, and scale AI-powered operational systems. You will support day-to-day operations, assist with operational processes, and contribute to the creation and improvement of automations.

Full Stack Engineer to design, develop, test, and maintain software using Typescript, MongoDB, React, and Python. Minimum 5 years of experience in a startup environment with agile methodologies.

Design, build, and ship Solidity smart contracts for wallets, vaults, and account systems. Own end-to-end product features from specification to deployment and monitoring. Collaborate with product and platform teams to shape developer-facing interfaces.

Fullstack Engineer to build and integrate end-to-end systems, design product features, and enforce web developer best practices. Requires +4 years of experience with React, Typescript, and Next.js.

The Head of Finance will lead the economic and financial management of the CNAG, reporting to the General Manager. Responsibilities include budget management, financial reporting, and ensuring compliance with regulations.

Electrical Design Engineer will develop electrical specifications, oversee installations, and ensure compliance with standards like ABYC and ISO.

Senior Cloud Engineer with 5+ years of AWS experience designing, implementing, and managing cloud infrastructure. Experience with container orchestration, infrastructure as code, application migrations, and Linux/Unix administration.

Senior Data Scientist/AI Engineer to lead adversarial testing, risk assessment, and safety evaluations for LLM- and agent-powered chatbot systems. Focus on ensuring AI technologies are safe, reliable, and aligned with business and user needs. Collaborate with product, engineering, and business stakeholders to identify safety requirements, conduct assessments, and develop mitigation strategies.

Enterprise Applications System Architect to oversee architecture, administration, and maintenance of Salesforce, Manhattan, and other critical business systems. Leads a team, defines technical architecture, manages system configuration and upgrades, and ensures system security and scalability.

Technical leader to define and build an enterprise-scale AIOps capability. Will drive the technical vision, roadmap, and lead a team of engineers. Requires 10+ years of experience in enterprise engineering, production AI/ML experience, and strong MLOps & SRE background.

Senior Performance Marketing Manager to lead growth strategies for mobile gaming titles using AppLovin, Google Ads, and other ad networks.

Lead the execution and operational strategy for an AI platform empowering business professionals to make data-driven decisions. Manage the roadmap, define product logic for accuracy, and build an evaluation framework to validate AI performance.

Leads the product strategy and vision for personalization across Dow Jones' B2C and B2B platforms. Develops and executes operational plans, drives cross-functional collaboration, and analyzes KPIs to deliver personalized user experiences. Requires 12+ years of product management experience, with a focus on personalization, recommendation engines, or data products.

Principal Product Manager for Platform & Integration Products will drive the strategy and execution across Dow Jones APIs. This role will champion API governance, developer experience, and a cohesive API landscape.

Support SAP ERP Solutions in Europe, providing functional support and running SAP ERP systems. Manage solution issues, configure SAP components, and work on SAP system developments and new projects/rollouts. Analyze release content and collaborate with teams to meet project and enhancement expectations.

Blockchain Engineer will integrate and maintain mainnets, manage wallet infrastructure, and interact with smart contracts in a regulated production environment.

Senior R&D Scientist or Engineer to develop next-generation sensing, optoelectronic, and AI-enabled technologies. PhD in Physics, Optics, Electronics, or Telecommunications Engineering required. Expertise in sensors, photonics, electronics, and regulated environments is essential.

B2B Events Marketing Manager to design, execute, and optimize marketing strategy for European Blockchain Convention events. Drive audience growth, sponsorship and ticket sales, and qualified lead generation. Manage end-to-end campaigns across various channels and collaborate with cross-functional teams.

TransPerfect's Digital department seeks an experienced Regional SEO Team Lead to oversee SEO services (Technical, On-Page, AIO/GEO/LLM) across a key global region (Americas & LATAM OR EMEA & APAC). This role leads a regional SEO team, ensuring high-quality delivery within global frameworks, driving innovation, and maintaining strong commercial health.