Top Tech Jobs & Startup Jobs in Lille

Own and scale half-hourly forecasting models for frontline workforce demand, lead end-to-end client launches (data validation, model selection, UAT, monitoring), join client calls, build stakeholder relationships, and maintain production ML systems that handle messy data and feedback loops.

Design, build, test, and maintain Java backend services and event-driven integrations; develop Angular user interfaces; improve CI/CD, observability, and automation; participate in design/code reviews and mentor junior engineers.

Partner with Sales AEs across EMEA to lead technical pre-sales: create demos, define PoCs, design Crossplane and Upbound Cloud architectures, collect requirements, troubleshoot, and project-manage pre/post-sale implementations.

Manage and nurture a portfolio of mobile app customers to ensure successful implementation and adoption of RevenueCat. Act as a growth advisor: analyze customer data, propose actionable tactics, create educational content (workshops, guides), and collaborate with Product, Sales, and Marketing to influence product and drive customer revenue growth.

The role involves providing legal guidance on global privacy and AI issues, collaborating with teams to ensure compliance, and developing scalable processes.

Define and scale the AI platform infrastructure at Connectly to optimize conversational AI agents. Collaborate with technical teams for platform services, integration, and analytics.

Design, maintain, and optimize HLR/HSS/UDM subscriber templates and roaming logic. Lead Full MVNO profile deployments, collaborate with roaming partners and system integrators, define HLR/HSS KPIs, and troubleshoot signalling using Wireshark and roaming platforms.

Create and maintain developer-focused documentation, tutorials, API docs, and code samples for Storyblok. Collaborate with engineering and product teams, mentor teammates, resolve blockers, and continuously improve documentation quality and developer experience.

Lead European events marketing strategy and creative execution for Ahrefs, owning audience campaigns, speaker relationships, booth fabrication/design, swag creative, sponsorship activations, vendor timelines, and event performance reporting. Collaborate with global events, partnerships, and operations teams, support cross-regional events, and maintain regional partner and venue relationships.

Design, implement, and maintain a low-latency real-time risk engine for perpetuals, spots, and prediction markets. Build VaR/ES and Greeks aggregation, margin and liquidation models, position limits, tail-risk models, dashboards/alerts, backtests, and circuit breakers to protect against extreme market conditions. Collaborate with trading infrastructure to meet <50ms P99 latency.