421 English-speaking jobs in Barcelona

Senior Reliability Engineer to design, develop, and implement solutions for N26 cloud infrastructure security, reliability, and scalability. Requires production expertise in Kubernetes, AWS, Go, Terraform, and CI/CD.

Senior Full-Stack Engineer to join the Security Engineering team. Build and scale the N26 Security Platform, developing tools and automation for threat detection, incident response, and vulnerability management. Design and implement full-stack features, from backend services to internal dashboards.

Intern Functional Test Analyst will support the AI Test Accelerator project by reviewing product backlogs, developing test cases, and executing tests to ensure product quality.

Assist Portfolio Managers in monitoring investment portfolios, analyzing market dynamics, and preparing reports. Support fund selection, optimize processes, and contribute to IM documentation.

Build and deliver custom AI agent workflows that automate data, analytics, and business processes. Design, develop, and maintain production-quality Python code for AI agents. Collaborate with cross-functional teams to integrate AI solutions into existing workflows.

Strategic and data-driven UA Lead to scale a global app's footprint while maintaining profitability. Design and execute user acquisition strategies across major channels, manage large budgets, and optimize creative concepts. Requires 3-5+ years of mobile UA experience, deep understanding of the mobile ecosystem, and proven track record of managing budgets with a focus on ROI/ROAS.

Senior Android Engineer will design, develop, test, and maintain software, collaborate with a Tech Lead on new features, mentor junior team members, and stay up to date on technology trends. Requires deep knowledge of Kotlin, Android Open Source Platform, and Material Design principles. Experience with Model-View-ViewModel, Reactive programming, and CI/CD infrastructure is necessary.

Lead Engineer to design, develop, and maintain high-availability web applications for N26's internal operations. Responsibilities include architecting and building microservice applications using Java, Kotlin, and Spring Boot, integrating AI features, and mentoring team members. Requires experience with distributed systems, REST APIs, PostgreSQL, and CI/CD pipelines.

Backend Engineer will design, develop, test, deploy, and maintain software in a hybrid role based in Barcelona or Berlin. Experience with JVM languages, Spring Boot, microservices, and cloud architecture is required.

Game Designer needed for PC/Console racing games. Responsibilities include designing gameplay mechanics, meta-game features, and stories, prototyping, benchmarking, documenting, implementing, testing, and fine-tuning game elements. Must have proven experience in PC/Console racing game design and strong knowledge of game design foundations.

Shape and optimize the product roadmap for a sports prediction gaming platform. Own product strategy across career progression, DFS-style gameplay, and social casino mechanics. Drive data-driven product development and collaborate with cross-functional teams.

Senior Site Reliability Engineer will design and maintain systems governing access to the AWS environment. Responsibilities include managing Teleport infrastructure, developing IAM workflows, implementing JIT access solutions, and collaborating with the Cloud Control team. Requires expertise in AWS, IAM, Organizations, Multi-account security, Access Management tools, Terraform, Linux systems, networking fundamentals, and programming in Go or Python.

Designs and develops rocket engine turbopump components, including pumps, rotors, casings, seals, and bearings. Creates 3D models, technical drawings, and documentation using CAD tools. Collaborates with engineers and analysts to iterate designs based on test and simulation feedback.

Maximize budget results and drive growth in the Comunidades Valenciana, Murcia, and Castilla La Mancha territories. Manage sales and customer relationships, develop regional account plans, and negotiate commercial agreements. Promote CSL Behring as a market leader in treating rare diseases. Collaborate with internal teams to implement strategic projects and adhere to pharmacovigilance procedures.

Provides support for sales and purchasing operations, including order processing, customer and supplier coordination, pricing support, and inventory oversight. Collaborates with sales, purchasing, logistics, quality, and finance teams. Requires fluency in English and 2+ years of experience in a related role.

The Kitchen Assistant supports daily kitchen operations, ensuring efficient workflows and timely preparation of ingredients and dishes. This role coordinates kitchen activities, assists with food preparation, and supports Chefs in maintaining organization and high standards.

Lead and scale a high-performing engineering organization (15 to 40+ engineers) delivering product and platform roadmap at startup speed. Own engineering organization end-to-end: org design, leadership development, hiring, delivery performance, and platform maturity. Drive a prioritized Tech Backlog Portfolio spanning AI platform foundations, QA/test automation, infrastructure/reliability and observability, and developer experience. Partner with CTO on technical strategy and architectural direction.

CMC Regulatory Affairs Specialist will support the development of CMCD strategies for OTC products, ensuring globally approvable dossiers. Collaborate with Regulatory, R&D, and Product Supply to compile CTD Module 3 and QOS documents. Requires a life sciences background, high proficiency in English, and significant experience in CMC/Module 3 creation and response to questions.

Senior Data Engineer needed to design, build, and maintain scalable data pipelines for AI/ML initiatives. Collaborate with data scientists, engineers, and game developers to translate data needs into robust infrastructure solutions. Experience with data pipeline orchestration, SQL, Python, and cloud platforms is required.

Business Intelligence Engineer to develop and maintain Looker dashboards, design data models, and lead fraud analytics for PuzzlePlay's loyalty and rewards ecosystem. Requires Looker experience, SQL expertise, and experience in data analytics and BI.