Top Tech Jobs & Startup Jobs in Madrid

Own end-to-end features on Ruby on Rails systems at scale, design and implement AI/LLM-assisted workflows, work with LLM APIs and retrieval strategies, ensure performance, reliability, and security, write automated tests, debug production issues, and maintain long-term code quality.

Seeking an ex-founder or senior engineer to ship product end-to-end, own web/CLI/API/agent surfaces, start new product lines, or lead funded experiments. Must have shipped real products, write TypeScript fluently, use AI coding tools daily, communicate clearly in writing, and overlap 7–10am San Francisco time. Compensation matches seniority with equity options.

The Naval Architect will provide technical assistance for U.S. Navy vessels, assessing hull and structural integrity, conducting inspections, supporting repair planning, and delivering training in high-tempo environments.

Develop and optimize algorithms for battery and renewable energy projects, analyze market data trends, and ensure algorithm performance.

The role involves optimizing mobile telecommunications networks using proprietary tools and conducting KPI analysis, troubleshooting, and customer collaboration to enhance network performance and efficiency.

Design, administer, and optimize Microsoft 365 collaboration platforms (Teams, SharePoint, OneDrive, Exchange, Entra ID). Build Power Platform solutions and PowerShell automation, support Copilot deployment and governance, provide Tier 3 support, partner with security and business stakeholders, and drive adoption and documentation.

The Country Manager for Spain is responsible for operations, growth strategies, market entry, regulatory compliance, and stakeholder relationships in the cryptocurrency sector.

Drive new enterprise account acquisition for Cendyn's cloud-based SaaS platform within an assigned territory. Develop and execute territory plans, build and manage a diversified pipeline, perform cold outreach and online demos, negotiate contracts, meet quota, represent the company at industry events, and coordinate with marketing, project management, and customer success to onboard new customers.

As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.

The Technical Sales Development Representative identifies and qualifies automation opportunities in manufacturing, facilitating connections with vision-guided robotics solutions. Responsibilities include outreach, conducting discovery conversations, and preparing opportunity briefs for the sales team.