Top Tech Jobs & Startup Jobs in Barcelona

Perform inbound and outbound prospecting to identify and qualify sales opportunities for Account Executives. Research target accounts and contacts, respond to leads, document activities in Salesforce, collaborate with sales and marketing to accelerate enterprise deals, recommend process improvements, and represent the Jumio brand professionally.

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.

Manual and automated QA for Pod releases: run local/staging environments, submit transactions, verify APIs/receipts/state, reproduce and report bugs, write end-to-end and headless browser tests, and build release checklists and automation.

Lead the definition of data architecture for a data-driven product, focusing on integrating fragmented datasets to support legal teams.

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.