Top Tech Jobs & Startup Jobs in Madrid

Work on Percona's open-source MongoDB operational tools (primarily ClusterSync and also Backup). Build and harden a Go-based replication engine handling initial cloning and continuous change streams, ensure correctness and fault tolerance at scale, support sharded clusters, optimize performance and resource usage, and maintain CLI/HTTP APIs, metrics, logging, tests, and packaging. Collaborate openly via GitHub pull requests and JIRA.

Lead Hostinger's SEO function, develop and execute SEO and AI-native search strategies, own keyword strategy, integrate SEO into product launches, manage and coach the SEO team, run experiments to drive measurable client acquisition and revenue across content, YouTube, and localization.

Provide technical customer support for Ashby by diagnosing integration and API issues, troubleshooting via logs and scripting, collaborating with engineering on escalations, creating documentation, and driving product improvements from customer feedback.

Field sales role promoting and selling decorative products to assigned customers and territories. Maintain customer relationships, execute marketing activities, meet sales and margin targets, follow up on collections, use CRM for data management, coordinate deliveries with internal teams, handle complaints, and perform area audits to identify market potential.

Manage sustainability stakeholder engagement, supply chain sustainability, community investment, and cross-functional programs. Support audits, standards implementation, policy benchmarking, energy efficiency initiatives, vendor compliance, external partnerships, and multi-market project delivery.

Build scalable Python services and data pipelines, integrate and optimize multi-provider LLM workloads, collaborate with data scientists to deliver ML/AI systems, operate pipelines on GCP/Kubernetes, ensure reliability and observability, maintain CI/CD and DB migrations, and drive code quality at scale.

Drive enterprise new logo sales across Italy (plus Spain/Portugal) for Cognigy: full sales cycles, pipeline creation, consultative C-level selling, RFP responses, demos, partner engagement, CRM use, and event representation.

Own and evolve BOB's visual identity; produce high-volume brand and marketing assets, templates, motion graphics and videos; collaborate with product and engineering on web assets; maintain brand guidelines and asset library; experiment with AI tools to accelerate creative output and translate complex blockchain concepts into clear visuals.

Curate and evaluate Automobilia lots (focus on car parts), create compelling listings, set reserve pricing, advise sellers, review submissions, monitor performance, and grow the category through industry relationships.

Own email and CRM end-to-end: select and implement an ESP/CRM, build sending infrastructure and deliverability, design lifecycle flows (onboarding, trial-to-paid, cart abandonment, payment failures, win-back), design segmentation with BI, and measure channel revenue and cohort LTV.