Top Tech Startups in Madrid, Spain in 2027

Altinity is the leading service and software provider for ClickHouse - an open source SQL data warehouse offering industry-leading query speeds on petabyte-scale data. Altinity offers the highest expertise on the market to help customers deploy and run the most demanding analytic applications. We also provide innovative software to manage ClickHouse in Kubernetes, cloud, and bare metal environments.

MOLTEN is a cloud platform that streamlines core operations of media and entertainment enterprises. MOLTEN digitizes and transforms rights, content, and licensing operations across enterprises, empowering teams with real-time insight and automation tools to do more, accelerating deal-making and content monetization worldwide. MOLTEN offers multiple integrated cloud-based services to power back-end operations for media and entertainment enterprises, which include content rights, storage, delivery and licensing management.

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Grupo Oruss: Innovation and cybersecurity in perfect harmony to safeguard your present and ensure your future. We are experts in ethical hacking, pentesting, and other cybersecurity disciplines, offering a wide range of computer security tests and analyses, from application auditing (web, mobile, API) to social engineering. Our value proposition extends further by incorporating Extended Cybersecurity, a comprehensive strategy that includes risk management and regulatory compliance with standards such as ISO, GDPR, ISO 27001 – 27005, and PCI, among others. This guarantees not only the protection of your technology but also the effectiveness of your implemented processes. At Grupo Oruss, we support you today so that you can prosper tomorrow. The Grupo Oruss team strives to generate clear and detailed reports, presenting useful information to those involved in the assurance process, obtaining valuable insights for your team, and supporting increased levels of cybersecurity in your organization. We are the information security company that your team needs.

RZLT is the leading Web3, Crypto & AI Native Marketing Agency. We grow the most disruptive brands in the world. We are a diverse team of 35+ innovators from 10 different countries, speaking 8 languages, united by an unstoppable drive for passion, and disruption. If you're eager to dive into the Web3 landscape and thrive, RZLT is the place for you. Join us and be a part of shaping the future of marketing. Check our job openings here: careers-page.com/rzlt-2?mode=preview

What are we all about? We are a team of world-class builders and researchers with expertise across several domains: Ethereum Protocol Engineering, Layer-2, Decentralized Finance (DeFi), Miner Extractable Value (MEV), Smart Contract Development, Security Auditing, and Formal Verification. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, StarkWare, Flashbots, xDai, Open Zeppelin, Forta Protocol, Energy Web, POA Network, and many more. We actively contribute to Ethereum core development, EIP's and network upgrades together with the Ethereum Foundation, and other client teams. Today, there are 100+ of us distributed across the world. You can view all our open positions here: jobs.nethermind.io

YOCTO is a lifecycle marketing agency for fast-growing DTC and subscription brands. We run email, SMS and retention programs on Klaviyo and Shopify for global brands. Our mission is to become the #1 lifecycle agency for e-commerce brands in the world, and have fun on the way.