Top Remote Jobs in Barcelona

Owns host mobile network operator partnerships and market launches for Airalo’s MVNO operations. Responsibilities include identifying and negotiating wholesale agreements, developing business cases, supporting regulatory approvals, coordinating technical integrations, managing launch readiness, overseeing post-launch service performance, reconciling invoices, analyzing traffic and margins, and renegotiating commercial terms. The role requires strong mobile telecommunications, MVNO architecture, commercial negotiation, financial modeling, regulatory, and service management expertise, with occasional international travel.

Develop statistical and machine learning solutions for customer and energy-transition challenges, from problem discovery and experimentation through prototype validation and production handover. Lead end-to-end analytical workstreams, collaborate with customers, engineers, domain experts, and product teams, and mentor data scientists. Build models for time-series and text data using Python and data science libraries, working with databases, APIs, pipelines, Kubernetes, Linux, Git, and Docker.

Advise EMEA business stakeholders on product stewardship, chemical compliance, regulatory developments, and sustainability requirements. Monitor regulations, assess compliance risks, translate technical obligations into business guidance, support product development and management-of-change decisions, and coordinate implementation plans. The role collaborates with regulatory, commercial, technical, sustainability, operations, and product management teams to keep products compliant, marketable, and aligned with sustainability goals.

Support international travel advisors with itineraries, pricing, availability, policies, quotes, and booking issues. Guide partners through the booking platform, maintain CRM records, coordinate with internal teams, and identify upselling and cross-selling opportunities. The role combines customer support, travel product guidance, and commercial follow-up across American markets. Fluent English, Spanish, and French communication is required, with rotating Monday-to-Sunday shifts in Barcelona.

Supports senior account managers with day-to-day customer relationships across a portfolio of travel and hotel accounts. Monitors account performance, maintains communication, supports contracting and data accuracy, handles first-line customer requests, escalates complex issues, and keeps CRM records current. The role also identifies opportunities, works toward targets, and collaborates across departments while developing travel-tech account management experience.

Own and scale a live production backend supporting real-time communication between apps, animation models, and LLM providers. Design APIs, WebSockets, data storage for companion memory and conversation state, and Cloudflare Workers infrastructure. Improve latency, throughput, cost, observability, alerting, incident response, and documentation while collaborating with the team to ship features end to end.

Manage and scale investment in a specialized user-acquisition channel, owning budgets, campaign strategy, creative testing, bidding, optimization, and performance outcomes. Analyze CAC, ROAS, LTV, and incrementality using attribution and analytics tools. Collaborate with Product, Creative, Data, Engineering, and Marketing teams to improve growth, identify expansion opportunities, and resolve technical challenges. The role requires entrepreneurial ownership, strong analytical ability, excellent English communication, and demonstrated results from managing acquisition campaigns.

Leads regional and local change initiatives by developing and executing change plans, assessing impacts, managing stakeholders, mitigating resistance, coordinating communications and training, and driving employee adoption of new processes, tools, and ways of working. Monitors change saturation and business readiness while supporting delivery within agreed timelines and budgets.

Design and develop reliable Go-based payment gateway services for real-time financial transactions. Translate business needs into APIs, data models, and integrations; implement secure, PCI DSS-compliant solutions; optimize performance and concurrency; contribute to microservices architecture, testing, code reviews, and technical decisions. The role integrates payment providers and anti-fraud systems while supporting high availability, observability, scalability, and regulatory compliance.

Lead design and development of Linux kernel functionality for BPF, networking, and security, integrating features into Cilium and Tetragon. Collaborate with engineering, product, customers, and the upstream Linux kernel community to shape technical direction, maintain code quality, and deliver scalable cloud-native solutions. The role may also involve presenting work at technical conferences and contributing to engineering best practices.