Top Tech Jobs & Startup Jobs in Madrid

Design, build, and operate scalable test platform capabilities (synthetic identities, test data seeding, mocking, deterministic validation, load testing). Improve reliability, observability, and automation of CI/test workflows, lead medium-to-large projects, own operational readiness, mentor engineers, and produce async technical artifacts to enable faster, safer developer validation loops.

The Manager, Sales Assist will lead a team to drive sales and customer growth, coach representatives, and engage with clients using data-driven strategies.

As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.

Own and grow a book of EMEA commercial SaaS accounts by leading renewals, identifying and closing upsell/cross-sell opportunities, prioritizing at-risk accounts, partnering with cross-functional teams, communicating commercial risk, and building executive relationships to protect and expand recurring revenue.

Own Notion's market entry and growth in Spain: drive revenue, build local teams and partnerships, create brand presence, convert early demand into reference customers, and establish repeatable GTM operating systems while partnering cross-functionally.

Lead design and development of low-level Linux instrumentation and eBPF-based runtime security features for detection, monitoring, and workload protection. Drive architecture, implement performance-sensitive systems, establish testing methodologies, deliver end-to-end features, and provide technical leadership and cross-team collaboration across Datadog's security products.

Responsible for end-to-end accounting for investment funds and portfolio companies: prepare periodic financial reports, CNMV and regulatory filings, annual accounts (individual and consolidated), treasury management, assist auditors, and collaborate with tax. Supervise teams to deliver client services, ensuring accuracy, deadlines, and strong client communication in Spanish and English.

Drive new business and grow existing enterprise accounts in Portugal. Build executive relationships, develop account plans, lead virtual teams to close opportunities, accurately forecast pipeline, and position CrowdStrike as the preferred security provider while meeting or exceeding sales quota.

Embed with manufacturing customers to design, build, and deploy Tulip solutions. Lead OT/IT integrations (PLCs, MES/ERP, quality systems), troubleshoot production issues, and deliver scalable, production-ready applications. Advise on architecture, document solutions, and represent customer needs to Product and Engineering.

The Senior Sales Engineer presents Zscaler's cloud security platform, acts as a trusted advisor, and collaborates with sales teams for digital transformation engagements.