Top Tech Jobs & Startup Jobs in Barcelona

Design, build, and maintain transaction-related backend services using Java and Spring Boot. Develop core order and transaction workflows, ensure data consistency and system reliability under high concurrency, participate in requirements, design, and code reviews, and document technical solutions. Work onsite in London.

Own the technical pre-sales lifecycle for strategic enterprise accounts across Europe, including discovery, solution architecture, workshops, POCs, competitive positioning, and technical closure. Advise executive security and infrastructure stakeholders on machine identity, PKI, CLM, Zero Trust, and post-quantum cryptography. Deliver complex multi-product solutions across hybrid cloud and Kubernetes environments, support partners, contribute to enablement resources, and provide product feedback. French fluency and 30–40% regional travel are required.

Customer-facing technical engineer who deploys and integrates Devin into production, leads demos and pilots, identifies high-impact use cases, implements customer-requested features, drives adoption, and serves as the primary technical partner to engineering teams.

Manage travel and lifestyle requests for Premium Card Members, ensuring high customer satisfaction. Provides solutions in a fast-paced, international environment during evening shifts.

The Senior Back End Engineer will lead the development of a Sportsbook platform, design software solutions, improve system performance, and manage the development lifecycle.

Lead and build Nextpower's Global Demand Planning capability, driving S&OP governance, forecasting, scenario modeling, and cross-functional alignment. Translate commercial inputs into 1-year+ demand plans, deliver analytics and executive reporting, identify supply risks, and lead mitigation. Drive process standardization, automation, and develop a high-performing planning team.

Screen and curate watch lot submissions, create attractive listings, estimate values, optimise auction strategies, monitor performance, advise and mediate with sellers, and maintain quality and commercial targets for vintage and modern exclusive watches.

Manage a portfolio of customers post-sale to drive onboarding, adoption, value realization, renewals, and expansion. Provide strategic cybersecurity guidance, lead business reviews, translate customer goals into measurable outcomes, and coordinate cross-functional teams to mitigate risks and improve security validation programs.

Partner with leaders across Creative, Growth, Tech and Ops to design and run performance management, compensation, onboarding, engagement, HR ops, compliance, L&D and people analytics. Coach managers, implement competency frameworks, run pulses and OKR-linked KPIs, automate HRIS workflows, and measure impact via eNPS, retention, SLAs and time-to-proficiency.

Speculative/open application notice inviting candidates to submit interest for future roles at Janes. Highlights inclusive culture, flexible/hybrid work arrangements, and encourages applicants regardless of background or working needs.