Top Tech Jobs & Startup Jobs in Barcelona

Provide technical customer support through helpdesk, Slack, and Teams. Troubleshoot Git, DNS, custom domains, integrations, APIs, SAML SSO, redirects, and product bugs; review logs, document reproduction steps, and escalate issues to Engineering. Identify recurring problems, quantify impact, recommend improvements, and collaborate with Product, Engineering, and Design to improve self-service, automation, workflows, and the customer experience.

Design, implement, operate, and improve distributed backend systems at scale. Build event-driven architectures, improve production reliability, instrument services, optimize performance, establish safe deployment practices, and mentor engineers. The role partners with Product and engineering teams to define success metrics and guide technical direction.

Own product positioning, messaging, value propositions, and go-to-market strategy for SaaS products and AI-powered capabilities. Lead launches, customer and competitive research, segmentation, lifecycle growth initiatives, sales enablement, and market opportunity evaluation. Partner cross-functionally with Product, Sales, Growth, and Marketing teams to improve acquisition, activation, adoption, retention, and expansion.

Own the commercial and strategic health of a portfolio of SaaS accounts, including renewals, expansion, upselling, QBRs, account planning, stakeholder relationships, and client communication. Partner with Customer Success Technical Managers to align platform usage with account strategy. Maintain accurate account documentation and proactively identify opportunities to increase client value and retention.

Design, develop, and operate scalable backend systems for real-time alerting and observability. Own features from architecture through deployment, solve distributed-systems challenges, and build highly available streaming applications processing millions of events per second. Collaborate with engineering and product teams while applying strong practices in data modeling, monitoring, incident management, and fault-tolerant system design.

Own product and infrastructure security across fintech products and cloud environments. Lead threat modeling, architecture reviews, secure code reviews, vulnerability management, bug bounty operations, CI/CD security scanning, IAM and secrets management, and security standards. Partner directly with engineering leadership to identify and remediate critical vulnerabilities across backend services, APIs, frontends, Solana programs, and infrastructure.

Lead the engineering function on a remote consulting mission by setting technical direction, managing and mentoring engineers, driving the roadmap, overseeing complex delivery, improving engineering practices, and partnering with product and business stakeholders. The role requires hands-on technical leadership, architectural judgment, agile expertise, and evaluation of emerging technologies including cloud, AI, and blockchain.

Owns full-cycle recruiting across engineering and non-technical teams, including intake, sourcing, interviewing, offers, and candidate experience. The role also builds talent communities, supports employer marketing, advises hiring managers, tracks hiring metrics, improves interview processes, and maintains compliant hiring workflows across countries. This is a fully remote role for someone based in Europe or the UK who can regularly overlap with US hours.

Support Upway’s launch and growth in Denmark by driving website traffic, building brand awareness in Danish e-bike culture, developing local partnerships, and sharing customer insights with the broader marketing team. The role offers significant ownership in a new market and requires creativity, independence, Danish and English fluency, and interest in marketing, sustainability, or urban mobility.

Lead Carbonfuture’s in-house legal function, owning commercial contracts, negotiations, fundraising transactions, corporate governance, compliance, and legal operations. Advise on carbon credits as an emerging financial asset class, capital markets regulation, and relationships with regulators and financial institutions. Manage external counsel, legal budgets, templates, and playbooks, while supervising a part-time legal counsel. Represent the company in industry associations and help establish market standards for carbon removal credits.