Engineer 4 in Paris

Product Owner – Extend (H/F) About Horizon Trading Solutions Horizon Trading Solutions is an independent global technology company focused on electronic trading, supporting agency and principal business goals across equities and derivatives. For over 20 years, we have equipped leading capital market participants with algorithmic trading technology and direct connectivity to more than 80 exchanges worldwide. We are currently looking for a Product Owner – Extend to join our Product Management team and define, structure and drive the development of Extend offer ( internal offer) capabilities within our existing multi-asset trading platform. This newly created role combines product strategy and execution: the first objective is to structure and define the Extend scope, build the roadmap and position the offer through market and competitive analysis, before leading its implementation and acting as the internal reference point on Extend topics. Your day to day ? Inside an Agile team you will be dedicated to, using Scrum and DevOps in an international environment ( teams located in France, Hong Kong, Montreal), you will contribute to each step of the development of our solutions (from specification to implementation on client side). You will have the missions to : 1/ Define the scope Propose and build a strategic roadmap on your product scope Discuss with stake holders (CDM, Sales, Product Manager, Client) to understand the context of client requests / change requests / roadmap initiatives Clearly express Product Backlog items – writing or reviewing existing items entered by Client Support, Client Delivery Manager, Engineering team ; except for detailed technical specifications written by Epic Leaders Participate in the pricing of the projects / features Evaluate the relevance and priorities of incoming requests 2/ Manage the backlog Write, detail and validate items in Product backlog Order the items in the Product Backlog to best achieve goa

About the Team OpenAI’s mission is to ensure the responsible and widespread adoption of artificial intelligence. In support of that mission, the Ads Solutions team partners closely with advertisers to deeply understand their businesses and needs, helping inform the development of products and solutions that drive meaningful revenue growth and long-term success on the platform—while maintaining strong standards for user trust and platform integrity. About the Role This role is focused on driving new and expanded advertising revenue and ensuring successful business results for advertisers. You will own the full sales cycle — from prospecting to deal closure, developing long-term commercial partnerships to help advertisers achieve their business objectives while ensuring a strong and responsible experience on our platform. You’ll work closely with Customer Success Managers and key cross-functional partners to ensure advertisers achieve successful outcomes after the sale, while maintaining primary ownership of revenue growth and commercial strategy. This role is based in our Paris office. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you will: Prospect, qualify, and close new advertising opportunities, leading the full sales cycle from initial engagement through contract execution. Own and achieve a defined revenue target within an assigned territory or vertical. Develop and execute structured account plans to drive advertiser ROI and long-term revenue growth. Build and maintain relationships with senior-level advertising decision-makers, delivering strategic guidance and actively gathering their feedback. Structure and negotiate complex commercial agreements. Quantify opportunities through clear, data-driven business cases aligned to advertiser objectives. Lead cross-functional collaboration across Product, Engineering, Marketing, Policy, and Operations to support complex deals. Partner with

As a Senior Product Manager for AI & Data Security at Datadog, you will define and deliver capabilities that help organizations securely adopt and scale AI across their applications and infrastructure. You’ll focus on building products that provide visibility into AI systems and data usage, assess security posture, and enable teams to manage risk across the AI lifecycle. This role sits at the intersection of security, AI, and cloud platforms, and is ideal for a PM who thrives in emerging, ambiguous problem spaces. You will work cross-functionally to shape how customers discover, understand, and secure AI-powered systems in production. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. What You’ll Do: Own and drive the roadmap for AI & Data Security capabilities, including data security posture management and data loss prevention Define how customers assess and manage the security posture of AI systems, including risks related to configuration, data exposure, and policy compliance Partner with engineering and design to deliver end-to-end product capabilities, from concept through launch and iteration Collaborate with security research teams to identify emerging risks in AI systems and translate them into actionable product features Engage with customers to understand AI adoption patterns and validate solutions that enable secure, scalable operations Define and track success metrics such as product adoption, usage, and impact on customer security workflows Who You Are: &l