Top Tech Jobs & Startup Jobs in Barcelona

Build and operate a cloud-based data platform on GCP, including Terraform-managed infrastructure, CI/CD pipelines, batch and streaming data workflows, multi-cloud migration, governance guardrails, observability, operational documentation, and cost controls. The role combines cloud platform engineering, data engineering, software development, and AI-assisted automation while supporting resilient, auditable production services.

Develop and enhance a live drive-thru Voice AI product through software engineering, AI/LLM prototyping and fine-tuning, conversation analysis, system integrations, and customer requirements gathering. Build, test, deploy, and improve production features while evaluating real dialogs and collaborating with customers and internal stakeholders.

Supports global HR operations across Europe and EOR populations, including employee lifecycle administration, contracts, payroll and benefits coordination, immigration, employee relations, compliance, HRIS data, vendor management, and reporting. The role researches employment requirements, resolves HR cases, supports process improvements and technology initiatives, and collaborates with cross-functional teams while protecting confidential information.

Develop product visions and strategies across the foundation’s portfolio, then lead opportunities from discovery through delivery with engineers, designers, researchers, stakeholders, commercial partners, and the global open-source community. Participate in daily product development, communicate effectively across audiences, and represent products through workshops, meetups, and livestreams.

Prospect and qualify enterprise software opportunities across EMEA through multichannel outbound and inbound engagement. Research target accounts, build relationships with decision-makers, execute territory strategies with Key Account Managers, and maintain pipeline data in Salesforce. The role partners with marketing and sales teams, uses AI-enabled research tools, shares market insights, meets pipeline-generation targets, and continuously improves outreach through coaching and data-driven experimentation.

Build and enhance RAG systems, AI components, backend services, data pipelines, and REST APIs under senior guidance. Write production code, tests, evaluation harnesses, documentation, and runbooks. Support AWS deployments using containers and CI/CD, investigate model failures, and contribute to architecture and client handovers. The role offers increasing ownership of technical components and decisions while working in distributed, customer-facing delivery teams.

Develop and maintain full-stack applications using Node.js, TypeScript, React, PHP, and Laravel. Responsibilities include designing RESTful APIs, extending legacy services, building complex front-end applications, optimizing performance, writing tests, participating in code reviews, and collaborating with distributed client teams on end-to-end feature delivery.

Own B2B go-to-market marketing plans, budgets, campaigns, timelines, and performance metrics. Personally execute campaigns, manage contractors and contributors, coordinate with Product and Sales, and optimize spend based on lead quality, pipeline contribution, acquisition economics, and attribution. The role requires strong channel execution, marketing fundamentals, stakeholder management, analytical judgment, LLM usage, and the ability to work independently in a fully remote environment.

Own and evolve AWS infrastructure with Terraform, build secure GitHub Actions CI/CD pipelines, and lead cloud security, SRE, observability, incident response, and production reliability. Maintain build and release environments, automate testing, evaluate DevOps technologies, and provide principal-level technical leadership through architecture reviews, mentoring, documentation, and executive communication about platform strategy and infrastructure investments.

Own the vision and roadmap for Universal KYC and MetaMask Passport, a reusable identity layer across MetaMask. Build scalable identity verification primitives, streamline KYC user experiences, drive adoption across product teams, and balance privacy, trust, user friction, and global compliance. Partner cross-functionally to lead execution and improve KYC completion, onboarding speed, identity reuse, transaction success, and user trust.