Top Remote Jobs in Barcelona

As a Reconciliation Analyst, you'll ensure financial record integrity across fiat and digital assets, optimize workflows using tech, and collaborate with various teams for operational excellence and compliance.

The Value Engineer connects Complexio's AI platform capabilities to quantified business outcomes, leading value discovery and business case development for enterprise clients, while tracking and proving promised value throughout customer engagements.

Manage supplier qualification and onboarding, maintain accurate supplier records in the ERP, monitor quarterly supplier KPIs, issue and track corrective actions, support ISO and customer audits, deliver process training, provide administrative Purchasing support, and collaborate cross-functionally to resolve supplier issues and ensure compliance.

Build the companys first data stack and data products (internal analytics and customer-facing). Work across data engineering, devops, and software tasks; ship early features, improve developer experience, document proposals, and iterate based on feedback.

Build and maintain end-to-end features across backend services and a React frontend. Design testable, performant services and reusable UI components, drive architectural decisions, own CI/CD, containerisation, AWS deployments, observability, and production behavior. Use AI tools to accelerate development while ensuring code quality, participate in code reviews, and improve reliability, security, and scalability as the platform evolves.

Senior systems engineer responsible for building and optimizing native Rust execution engines and performance-critical components for big-data systems. Work includes low-level performance tuning (SIMD, cache locality, zero-copy I/O), multi-threading, memory layout and custom allocator optimization, and accelerating distributed systems like Spark, Hadoop, and Ray. Requires ownership of complex components and rapid optimization of unfamiliar codebases.

Lead process discovery and BPMN-based current/future-state mapping, analyze process mining and metrics to find automation opportunities, define requirements and controls (SoD, ITGC), support UAT and rollout, track performance improvements, and produce SOPs, playbooks, and documentation while partnering with stakeholders and technical teams.

Process and verify supplier invoices, ensure approvals match purchase orders, reconcile supplier statements, prepare payments, support purchasing/receiving reconciliations, maintain financial documentation, and assist with internal and external audits.

Lead global marketing and corporate communications to define Multiverse's narrative, positioning, and GTM for AI/quantum products. Partner with the CEO, build and scale the marketing & communications team, own product messaging, PR, executive positioning, agency relationships, and measure impact on awareness and enterprise pipeline.

Manage mid-sized technical implementations for Snowflake customers: maintain project governance and documentation in Smartsheet/Certinia, build WBS with effort/resource allocations, lead meetings, resolve resource conflicts, track margins and CSAT, and use SQL, JIRA/Confluence and Snowflake fundamentals. Ensure SnowPro Core certification within 60 days and operate with a customer-centric, data-driven mindset. Fluency in Spanish required.