Top Tech Jobs & Startup Jobs in Spain

Design, build, and operate distributed backend systems in Rust; develop scalable ingestion pipelines, optimize columnar storage on object storage at petabyte scale, and manage Kubernetes clusters across AWS, Azure, and GCP. The role also involves building automation for provisioning, monitoring, scaling, and maintaining managed customer clusters.

Build cloud security training labs and technical content using YAML, Markdown, Bash, and Python. Support training-platform troubleshooting, deliver technical demos and workshops, write courseware, and apply instructional design principles. Use AI coding agents to accelerate lab and script development while validating outputs. Collaborate with senior instructors and cross-functional teams while developing technical depth, teaching ability, and presentation confidence.

Designs, operates, and improves highly available cloud infrastructure for blockchain services across AWS, GCP, and Azure. Responsibilities include managing Kubernetes clusters and autoscaling with Karpenter, building Terraform infrastructure, developing CI/CD pipelines, operating Kafka, Redis, and NGINX, automating with Golang and Python, and improving observability, reliability, security, and disaster recovery. The role also involves production troubleshooting, incident response, on-call participation, and collaboration with software engineering teams.

Analyze quantitative and qualitative data, develop customized tools, synthesize findings, and deliver actionable recommendations for client engagements. Collaborate with project teams and clients, resolve client issues, prepare concise executive summaries, and support final deliverables. The role requires strong analytical, communication, creative problem-solving, interpersonal, and teamwork skills, along with initiative and adaptability. Candidates should be current undergraduates with strong academic records and excellent English and Spanish proficiency.

Leads supply chain and logistics strategy and execution across Western Europe. Responsibilities include optimizing transportation and warehousing networks, designing routes and replenishment flows, managing freight tenders, benchmarking costs, improving service and operational performance, leading the regional supply chain team, and driving strategic initiatives such as sustainability projects, acquisitions, due diligence, and integrations. Ensures compliance with policies, regulations, and internal control standards while partnering with commercial and operational stakeholders.

Provide remote helpdesk support for a distributed team across 30 countries, resolving hardware, software, account, access, network, and connectivity issues. Manage device lifecycles, SaaS administration, MDM, identity and access, security hygiene, vendor relationships, assets, licenses, documentation, and destination technology infrastructure. Coordinate with local teams and providers, support new-site launches, maintain service levels, and travel occasionally for major issues or upgrades.

Lead end-to-end annotation projects: define workflows, coordinate teams (annotators, reviewers, experts), track progress and quality via dashboards, manage launches and phase transitions, pilot tooling and methodology improvements, and build scalable operational systems and documentation to support annotator community and cross-functional alignment.

Prospect for automotive dealerships and automakers in the USA market through research and cold calling. Prepare and deliver sales presentations, collaborate with account managers, secure qualified appointments, and support sales and revenue targets. The role requires SaaS BDR experience, strong communication and presentation skills, native English fluency, adaptability, teamwork, and a marketing or business degree.

Manage a four-month maternity-cover marketing contract for DTC e-commerce brands. Responsibilities include developing growth strategies, researching customers and markets, writing persuasive copy, optimizing landing pages and funnels, running A/B tests, reviewing ad creatives, analyzing performance data, coordinating designers and developers, and managing projects through launch and iteration. The role also emphasizes AI tools, workflow automation, CRO, customer insights, and remote cross-functional collaboration.

Build and evolve Rerun’s open-source viewer, cross-language SDKs, and integrations with Rerun Hub. Develop high-performance interfaces for large-scale multimodal data, optimize workflows across desktop and web, make full-stack architecture decisions, and collaborate with backend, Hub, design, customers, and the open-source community. The role involves UI development, rendering, data handling, infrastructure, real-time applications, visualization, and performance optimization.