Top Tech Jobs & Startup Jobs in Valencia

Develop and maintain responsive frontend applications using TypeScript, integrate APIs and services, implement UI/UX designs, optimize performance and scalability, apply frontend security and data protection practices, troubleshoot issues, participate in code reviews, and contribute to open-source privacy-focused projects.

Provides in-house legal support with a primary focus on drafting and negotiating SaaS, customer, vendor, partner, NDA, MSA, and DPA agreements. Owns contract lifecycle management and legal operations, including templates, playbooks, repositories, approvals, and reporting. Supports corporate governance, privacy, IP, employment, compliance, audits, security reviews, and cross-functional product initiatives. Partners with Sales, Finance, Product, Engineering, IT, Compliance, and People in a global SaaS environment.

Build and ship reliable, scalable, production-quality software across the stack for an equity management and financial reporting platform. Responsibilities include developing user-facing features, working with product managers and designers, contributing to data models and workflows, participating in code reviews and architecture discussions, and owning medium-sized projects through release. Teams focus on equity logic, automation, reporting, or tax workflows.

Own Siena’s end-to-end content strategy and production across founder-led LinkedIn, social media, product launches, blog posts, announcements, and video scripts. Develop the company voice, analyze content performance and trends, use AI throughout the workflow, and collaborate with the Creative Director on launch campaigns. This individual contributor role requires independently producing high-quality content for consumer brands and rapidly adjusting strategy based on evidence.

Support engagement management for customer service and sales projects: perform data analysis and modeling, build Excel models and PowerPoint deliverables, integrate generative AI into workflows, engage with clients, and contribute research and knowledge development.

Investigate and resolve complex production issues, build automation and internal tooling, create AI/LLM-powered operational tools, collaborate with Operations/Product/R&D, analyze operational data for scalable solutions, and manage long-term technical projects.

Own Pencil’s Evals & Quality product charter, including creative-quality metrics, judging rubrics, human-review processes, golden datasets, and scalable evaluation loops. Lead adevals.ai as a product, provide quality evidence for commercial work, define client-specific quality standards, and manage the full product lifecycle from discovery through post-launch audits. Success is measured through first-pass-right quality, evaluation coverage, judge-human calibration, dataset health, commercial adoption, and learning velocity.

Design polished interfaces for the vCluster Platform, partnering closely with frontend, backend, product, and engineering teams. Translate complex technical problems and ambiguous requirements into intuitive B2B product experiences. Conduct UX research and competitive analysis, communicate design decisions to stakeholders, and maintain visual consistency with the company brand. The role focuses on engineer-facing infrastructure products and requires technical curiosity, strong visual design, user empathy, and autonomous execution in a distributed startup environment.

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.

Lead architecture, validation, deployment, and lifecycle operations for large-scale NVIDIA GPU, AI, and HPC infrastructure. Advise customers and partners, operate heterogeneous Kubernetes and Slurm platforms, troubleshoot across hardware and software layers, improve cluster reliability and workload goodput, manage observability and automation, and guide production stability, upgrades, remediation, and knowledge transfer.