Top Tech Jobs & Startup Jobs in Barcelona

Develop and deploy secure Solidity-based smart contracts, enhance protocol features, conduct audits, and integrate across multiple blockchains while collaborating with the development team.

Responsible for driving revenue by identifying and securing strategic partnerships in the Web3 ecosystem, enhancing Cointelegraph's growth in the crypto industry.

The Deployment Strategist resolves user escalations, documents solutions, proposes process improvements, and collaborates with teams to enhance the user experience. Responsibilities include issue resolution, documentation, and advocating for process enhancements based on user feedback.

Conduct remote audits of medical device manufacturers' Quality Management Systems under regulatory standards, ensuring compliance and high-quality audit experiences.

Windranger is seeking passionate builders for Web3 roles without rigid job descriptions, focusing on decentralized finance initiatives and flexible work environments.

Lead social strategy and growth across Sui Foundation channels (primary focus X/Twitter). Create and direct social-native content, especially video and livestreams; leverage AI tools to accelerate workflows; set KPIs and report performance; collaborate cross-functionally with product, design, partnerships, and communications; manage community engagement and multiple brand accounts while briefing creative partners.

Provide French/English technical product support for ROLLER's SaaS platform across EMEA. First point of contact via calls, tickets, and email; troubleshoot POS/payments and payment terminals; configure platform; document and track bugs in JIRA; perform administrative/market tasks; deliver excellent customer service and collaborate with the global team. Requires weekend shift one day per week.

Generate qualified sales opportunities by researching and prospecting target accounts, scheduling discovery meetings, qualifying prospects, and performing multi-channel outreach. Collaborate with Account Executives and Sales Leadership to build relationships and drive pipeline growth, using strong French language and phone skills.

The Marketing Manager will shape branding, drive lead generation, and manage multi-channel campaigns for ERP and digital solutions, ensuring clear ROI through analytics and reporting.

Build and maintain frontend (React/TypeScript) and backend (Java/Dropwizard) features for Opik, focusing on LLM observability, evaluation, real-time monitoring, APIs, integrations with LLM frameworks, and collaboration with ML researchers. Contribute to open-source, documentation, and automated evaluation systems.