Top Remote Jobs in Valencia

Develop privacy, anti-tracking, and phishing protections for Firefox and improve the Gecko browser engine. Build performant, low-latency, maintainable software in C++, JavaScript, and Rust while collaborating asynchronously with a distributed team. The role requires independently scoping and delivering complex features, with emphasis on memory safety, multithreaded architecture, data streams, web privacy, and browser security.

Build and operate Azure platforms using Terraform, hub-and-spoke networking, AKS, containers, and GitOps. Maintain CI/CD pipelines, observability, security baselines, private connectivity, ingress, and infrastructure automation. Support PHP and React application delivery, Docker workflows, shared-environment troubleshooting, architecture reviews, operational risk management, runbooks, and design records. The role requires production Azure experience, Kubernetes operations, networking expertise, and proficiency with Linux, scripting, and CI/CD tools.

Owns end-to-end product and operational analytics for AI-powered and conventional automation features. Responsibilities include experiment design, funnel and adoption analysis, AI output evaluation, hallucination and failure investigation, monitoring, dashboards, and measuring business impact. The role partners with Product, Engineering, Clinical, MedOps, and Legal, using SQL and Python to analyze messy production data and translate findings into decisions.

Design and optimize configurable, low-latency RTL modules for FPGA and ASIC control platforms. Responsibilities include architecture, microarchitecture, synthesis, static timing analysis, verification, debugging, hardware-software interface implementation, IP integration, and timing, power, and resource optimization. The role collaborates with architects, verification engineers, software developers, and hardware specialists on high-performance systems supporting quantum computing applications.

Build and own pricing data science capabilities, including demand and elasticity models, forecasting, willingness-to-pay models, pricing optimization, experimentation, and causal analysis. Deploy and monitor machine learning systems, establish governed pricing metrics, and partner with Commercial, Finance, and Product to improve margin and revenue. Set analytical standards for pricing decisions and build reusable analytical capabilities.

Provide after-hours travel counseling and booking services to corporate clients. Arrange complex domestic and international air, road, rail, and hotel travel using Amadeus GDS, follow travel policies, resolve customer and supplier issues, anticipate traveler needs, promote additional services, and support team coaching and service improvement.

Own the anti-fraud product roadmap across signup, payments, account protection, compute-abuse prevention, risk scoring, manual review, customer verification, and appeals. Partner with Trust & Safety, Engineering, Data Science, Analytics, and Legal to define detection rules, models, incident responses, experiments, and compliance processes. Monitor fraud losses, chargebacks, false positives, review throughput, and detection speed while minimizing customer friction.

Manage and optimize mobile programmatic advertising campaigns toward CPA, ROAS, and retention goals. Responsibilities include bid, budget, publisher, audience, creative, geographic, and pacing optimization; A/B testing; SQL-based campaign analysis; dashboard and reporting support; LLM-assisted diagnostics; and mobile attribution analysis. The role collaborates with customer success, product support, and supply teams while supporting client reporting and QBR preparation.

Own technical strategy for complex enterprise sales opportunities across discovery, solution design, validation, procurement, and close. Design scalable integrations using APIs, payment rails, and stablecoin infrastructure; lead demonstrations, workshops, proofs of concept, architecture reviews, and technical handoffs. Partner with Sales, Product, Engineering, Compliance, Security, and Delivery while identifying risks and product gaps. Mentor Solutions Engineers and develop reusable architectures, standards, enablement materials, and market insights.

Lead product design for Synthesia’s AI-native Sessions experiences. Own major design bets from problem framing through launch, establish design vision, prototype conversational and agentic interaction models, and partner with Product and Engineering leaders. The role emphasizes interaction and visual craft, systems thinking, user trust, transparency, control, enterprise needs, and measurable improvements to AI-driven workflows.