Top Tech Jobs & Startup Jobs in Barcelona

Lead growth for Juniper in Spain as a founding team member: build and run acquisition channels, adapt cross-market playbooks, optimise the acquisition funnel and P&L, run campaigns, set OKRs with the GM, and analyse market and patient trends to scale patient acquisition.

Design and evaluate complex network, system, and cloud solutions from a security perspective. Create security architectures and design documents, define and document security requirements, develop secure integration concepts for systems/networks/cloud, and act as security lead and expert on projects.

Lead Donaldson's global product security incident and vulnerability lifecycle: triage, remediation, disclosure, SBOM governance, regulatory reporting (EU CRA), cross-functional coordination, and embedding secure-by-design processes across product development.

Produce B2B inbound content including SEO-optimized blog posts, long-form articles, gated guides, case studies, and website copy. Research topics independently, collaborate with commercial team for sales enablement, and contribute LinkedIn content. Deliver high-quality, research-driven pieces that support lead generation and brand messaging.

Lead a multidisciplinary Core Services engineering squad to design and operate distributed microservices for ledgers, balances, billing, and repayments. Translate product requirements into technical solutions, build integrations and REST APIs, enforce observability, maintain docs, improve performance and scalability, and drive CI/CD and infrastructure-as-code practices.

Six-month full-time internship assisting development and management of customised software features. Collaborate with developers and consultants, provide technical customer support, and work on DevOps, web development, or AI-related modules. Monthly compensation, free lunch, and certified training provided.

Support international recruitment by screening candidates, contacting applicants, matching people to roles, updating CRM and job platforms, assisting with sourcing and market research, and collaborating with marketing to improve candidate attraction and relocation guidance.

Design and build an AI-native HR platform: backend systems (Python/Django/ASGI), integrate LLMs and agent frameworks, implement RAG/vector search, telephony/voice interfaces, and mentor junior developers while ensuring scalable, low-latency production deployments.

Manage end-to-end implementations for predominantly enterprise B2B SaaS customers across EMEA. Develop implementation plans, coordinate stakeholders, guide customers through change management, recommend best practices, resolve complex challenges, and ensure milestones and time-to-value goals are achieved. The role requires strong technical understanding, customer communication, process improvement, data-driven decision-making, and cross-functional collaboration with Customer Success, Sales, Product, Engineering, and Operations.

Responsible for the recruitment process across all departments, focusing on the French market. Duties include candidate sourcing, interviewing, and administrative tasks for new hires.