Top Tech Jobs & Startup Jobs in Madrid

Lead corporate and multi-brand PR for Datasite and acquisitions, shape category narrative for AI-powered M&A, drive media relations and executive visibility, manage agency and regional activations, create press content, and track PR performance to support growth and cross-sell.

Build rapid prototypes for enterprise customers, engage directly to gather requirements, support strategic sales deals, translate customer needs into technical specs and product insights, and collaborate with Sales, Product, and Engineering to productize solutions and establish scalable field engineering practices.

Own end-to-end product engineering projects in a full-stack role: build APIs and backend systems, implement React/TypeScript frontends, make product and technical trade-offs, work with cloud-native tooling, and contribute to the open-source SuperPlane repo.

Provide high-level administrative support to a CEO of multiple early-stage tech startups: manage complex calendars across time zones, handle email, coordinate meetings and projects, maintain shared documents, track tasks and deadlines, assist with personal scheduling, streamline communication, and implement AI-driven workflow improvements.

Assist senior architects to design, develop, and implement scalable, secure solutions. Collaborate with stakeholders, create documentation, POCs, integrate systems, troubleshoot, and support audits. Some business travel required.

Lead design and ownership of a cloud-native data platform: build scalable batch ETL and ingestion pipelines, develop analytical models (Athena/Redshift/ClickHouse), integrate data workflows with microservices on ECS, ensure data quality/observability, performance tuning, implement IaC and CI/CD, and mentor engineers.

Manage and expand technical partner ecosystem for Group-IB's Unified Risk Protection. Oversee partner lifecycle, maintain Salesforce records, execute outreach and negotiate alliances, coordinate joint threat intelligence and takedowns, collaborate with product/legal/security, and represent the company at industry events.

Lead enterprise change management for application, data, automation, and AI initiatives. Manage change intake, release planning, CAB/UAT/go-no-go, enablement and communications, measure adoption and business KPIs, partner with Compliance and Security, and maintain governance, playbooks, and executive reporting to drive predictable releases and measurable outcomes.

Lead architecture and design of scalable, event-driven, serverless systems on AWS. Drive platform standards, reliability, observability, and mentor senior engineers while solving cross-team scalability and data-consistency challenges.

Develop and optimize real-time mobile rendering features (Vulkan/Metal), write and optimize shaders, implement GPU-driven geometry and culling, profile GPU/CPU performance, collaborate with engine and content teams to meet cross-platform visual and performance goals.