375 English-speaking jobs in Barcelona

Senior Consultant delivers and supports SAP S/4HANA Logistics solutions across integrated supply chain processes. Designs, configures, and optimizes solutions in SD, MM, IM, or EWM modules. Leads workshops, supports implementations, and resolves complex issues. Requires strong functional expertise in at least one logistics module and hands-on S/4HANA configuration experience.

Back-end Developer to design, develop, and deliver robust web applications using Java and the Spring Framework. Experience with unit testing, Kafka, DevOps practices, and cloud ecosystems is required. Strong communication skills in English are essential.

Frontend Engineer will design, code, test, and maintain web application features. Responsibilities include improving architecture, ensuring on-time delivery, and collaborating with backend engineers, product managers, and UX designers. Requires 4+ years of experience as a JavaScript developer with React, HTML5, CSS, and Cypress. Experience with RESTful APIs and knowledge of SOLID principles are also needed.

Content Partnerships Coordinator will support and grow relationships with app and FAST channel partners, coordinate partner plans across teams, and contribute to deal execution. Responsibilities include performance tracking, data analysis, and supporting editorial and promotional planning. Requires 2+ years of experience in business development, partnerships, or content acquisition within TV, streaming, or digital media. Strong analytical and communication skills are essential.

Scrum Master to facilitate and coordinate Agile ceremonies for a cross-functional team building a data management platform. Responsibilities include identifying and resolving process gaps, coaching the team on Agile practices, and ensuring quality, documentation, and regulatory compliance. Requires a degree in Computer Science, Engineering, or a related field, 3-5+ years' experience as a Scrum Master, and strong SAFe knowledge and experience with Agile delivery models.

Design, develop, and maintain backend applications. Participate in migrating applications from Java 8 to Java 21. Collaborate with teams to define, design, and ship new features. Write clean, scalable, and efficient code. Troubleshoot and resolve software defects. Proven experience as a Java Developer with strong understanding of Java 8 and Java 21.

Business Development Manager (EU) will hunt and onboard new vendors and affiliates, focusing on direct response and performance marketing. Responsibilities include pipeline management, relationship building, and representing Digistore24 at industry events.

Freelance AI trainer needed to design and develop computationally intensive financial problems requiring Python programming. Must have a degree in Finance, Mathematics, or related field and 2+ years of experience. Strong written English (C1+) required.

Freelance Machine Learning Engineer needed to design computational STEM problems requiring Python programming and non-trivial reasoning. Must have 5+ years of experience, a portfolio of projects, and expertise in Python, statistics, machine learning, SQL, and GenAI technologies.

Freelance AI trainer needed to design computational biology problems requiring Python programming. Must have a biology degree, Python proficiency, and experience with biological data analysis and algorithms.

Senior Python developer needed for remote project-based AI code migration and testing. Requires 5+ years of Python experience, pytest expertise, Docker proficiency, and Linux/Bash scripting skills. Must be able to read and understand code in multiple languages (C, C++, Rust, Go) and utilize LLMs (Roo Code, Claude) for development.

Freelance AI Pilot needed for web scraping and data extraction on the Tendem project. Utilize Apify, OpenRouter, and Python to extract data from complex websites, ensuring accuracy and reliability. Must have experience with BeautifulSoup, Selenium, and data processing.

Bioinformatics & Python Specialist needed for part-time, project-based work with leading tech companies. Design computational biology problems requiring Python programming and bioinformatics expertise.

Senior Python Developer needed for project-based AI work. Experience with pytest, Docker, Linux, Bash, and LLMs (e.g., Claude Code, Roo Code) required. Must be able to read and understand code in C, C++, Rust, or Go. 5+ years of software engineering experience primarily in Python. English proficiency (B2 or higher) is required.

Freelance AI trainer needed to design computational engineering problems requiring Python programming and numerical methods. Must have a degree in Electrical Engineering or related field and 2+ years of experience. Strong written English (C1+) is required.

Senior Fullstack Engineer to build and improve a global recruitment marketplace platform. Responsibilities include delivering features end-to-end, collaborating with product and design, integrating AI components, and contributing to architectural discussions.

Senior Fullstack Engineer to build and deliver features for a global recruitment marketplace. Collaborate with product and design, integrate AI components, and ensure technical scalability. Work with a modern TypeScript stack including React, Next.js, NestJS, and AWS.

Experienced Scrum / Agile Master to guide teams through agile processes, ensure project delivery, and promote collaboration. Facilitate ceremonies, support teams with technical understanding, and coach for continuous improvement.

QA Manual and Automation Engineer will develop and execute test suites, perform manual web and backend testing, and collaborate with the team to ensure high-quality releases. Requires +3 years of experience in QA Automation and manual testing in an industrial context, strong experience with Azure DevOps, and experience with Cypress and Typescript.

Senior Rust Engineer will design, develop, and maintain robust backend components for a data management platform. Responsibilities include implementing asynchronous Rust solutions, integrating with external systems, and ensuring timely delivery of high-quality software. Experience with Rust, distributed systems, and Agile methodologies is required.