Top Tech Jobs & Startup Jobs in Barcelona

Translate and copy-edit diverse content (UI, marketing, help, regulated content) using CAT tools. Follow client style guides and localization processes, meet productivity, quality, and on-time delivery KPIs, participate in trainings, error arbitration, and quality meetings, and collaborate with remote teams while improving based on feedback.

Design, build, and operate complex backend and distributed systems (primarily in Python). Develop and expose APIs, optimize performance, reliability, cost, and observability, debug production incidents, contribute to ClickHouse-related work, use SQL, participate in on-call rotations, and collaborate asynchronously across teams.

Lead execution of the AI transformation strategy: prototype and scale AI-powered services, own revenue for innovation offerings, build repeatable piloting frameworks, implement AI agents internally, and partner cross-functionally to drive commercial impact and operational efficiencies.

Develop a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

Design, build, and scale ETL/ELT and real-time data pipelines for AI workloads (RAG, fine-tuning, batch inference). Transform unstructured data into vectorized formats, manage feature stores and vector databases, enforce data quality/governance, integrate event systems (Kafka), and collaborate with ML and engineering teams.

Lead the evolution of Proton's cloud storage platform as a Senior Product Manager by driving product innovation, defining success metrics, and collaborating with teams to execute strategies.

Lead and scale marketing across consultancy and product studio: define positioning, run digital/social/content campaigns, implement lead-gen systems, manage internal and external teams, integrate AI and martech, track KPIs and ROI, and evolve brand voice and messaging.

Investigate marketing tracking discrepancies, trace and fix end-to-end data pipelines (especially GA4/Salesforce and gclid issues), improve revenue attribution and reporting, and partner with marketing, engineering, and sales to implement reliable tracking and reporting solutions.

Design, build, and operate cloud architectures and highly available production systems. Own CI pipelines (Java, Maven, Node.js), manage CD tooling, implement monitoring/alerting, codify infrastructure as code, manage networks and security operations, and design WAF rules for Cisco/Barracuda.

Lead and scale the engineering organization for a regulated digital-asset custody platform. Own hiring, org design, engineering operations (on-call, incidents, release hygiene), delivery against roadmaps, audit and regulator readiness (SOC 2, SAMA, ISO 27001), and cross-functional alignment. Amplify an existing small, specialized team to meet regulatory and institutional requirements while preserving culture and retention.

Open application inviting candidates for future roles. Applicants complete screening questions and tests without AI assistance. Applications reviewed monthly; candidates contacted if a suitable role arises.

Remote research internship supporting semiconductor and AI industry analysis: data collection, market research, basic financial modeling, preparing reports and presentations, attending team meetings, and developing research skills with mentorship and feedback.