Top Tech Jobs & Startup Jobs in Paris

Conduct research across the full machine learning lifecycle, including ideation, model design, implementation, evaluation, training, inference optimization, and deployment. Develop novel machine learning methods and foundation models, establish evaluation protocols, scale training with GPUs or TPUs, and improve research engineering infrastructure for rapid experimentation.

Prospect for new business, conduct discovery, present and demonstrate business travel software and services, develop proposals, negotiate contracts, and close customers. The role also supports onboarding, achieves sales and transaction targets, maintains CRM records, and collaborates with internal teams. Candidates need at least two years of consultative SaaS sales experience, a proven record of exceeding targets, strong networking and analytical skills, and willingness to travel 25–50% while working remotely.

Own the acquisition-to-purchase funnel for a mobile-first subscription business, including onboarding, activation, paywalls, pricing, packaging, and experimentation across iOS, Android, and web. Drive new subscriber revenue, conversion, lifetime value, renewal quality, and attendance through funnel analytics and rigorous testing. Collaborate with Marketing, Data, Engineering, and Product teams to improve user acquisition, activation, and monetization across markets.

Provide technical support for customer applications by debugging production issues, resolving bugs, advising on architecture and integrations, improving the platform, maintaining documentation, building support automations, and handling platform incidents and customer communications. The role requires strong TypeScript and React skills, web application fundamentals, systems thinking, clear writing, and prior customer-facing experience.

Own product and protocol security across Jito’s Solana-based products. Responsibilities include threat modeling, secure design and code reviews, deployment hardening, internal audits, onchain monitoring, bug bounty operations, remediation tracking, AI-assisted security testing, and key and asset risk management. The role requires production software engineering experience, strong application security expertise, security automation skills, and familiarity with Web3, crypto, or DeFi.

Lead the global People team and own the employee lifecycle, HR operations, performance processes, reporting, and post-acquisition integration. Build scalable HR foundations, establish consistent practices across countries, support cultural change, and develop repeatable operating models for future acquisitions. Partner with the CPO and HR Operations Director while providing hands-on leadership, compliance improvement, and data-informed decision-making.

Own the full sales cycle for mid-market customers, from self-sourced outbound prospecting through discovery, product demonstrations, negotiation, and closing. Build multi-stakeholder consensus, develop business cases, manage security and procurement reviews, sell web app and API use cases, maintain accurate CRM data, and partner with growth, product, customer success, and PLG teams to expand adoption of HeyGen’s AI video platform.

Lead platform engineering across infrastructure, CI/CD, testing, developer tooling, observability, and secure software delivery. Build internal platforms, golden paths, and shared tooling that improve developer and AI-agent productivity. Establish engineering standards, integrate security controls into pipelines, shape repositories for coding agents, and measure impact through DORA metrics and engineering feedback.

Define and govern end-to-end architectures for telecom and enterprise digital transformation programs. Design OSS/BSS, cloud, network, integration, and cloud-native solutions; support pre-sales workshops, RFPs, proofs of concept, and estimation. Produce architecture artifacts, guide legacy modernization, ensure performance, security, resilience, and scalability, and provide delivery governance. Engage executive and technical stakeholders, mentor architects and engineers, and contribute customer insights to product roadmaps.

Lead architecture and implementation of scalable full-stack features using NestJS and Next.js, integrate LangChain-driven AI, manage PostgreSQL schemas and performance, build responsive UIs with Tailwind CSS, implement authentication with Clerk, and ensure reliability with Puppeteer-based testing and automation.