Lead Vertex AI

Valtech; Paris; Hybrid; EUR 90,000 - 150,000; Full time

Benefits offered by this job

Remote/hybrid options

International mobility

Learning and development programs

Job summary

Valtech in Paris is seeking a Lead Data Engineer — AI Search to spearhead enterprise-scale AI, search, and conversational platform initiatives. You will guide architecture, drive long-term technical strategy, and coordinate across cloud, data, QA, and business stakeholders to deliver production-ready AI solutions.

The role demands deep expertise in GCP, AI ecosystems, and backend services (Java/Python), with strong leadership and cross-functional collaboration.

Qualifications

• 7+ years of professional software engineering experience in enterprise environments.
• Strong expertise in Google Cloud Platform (GCP) and AI ecosystems.
• Experience with AI Search, conversational AI, and generative AI integrations.
• Strong application architecture, API design, and enterprise integration experience.
• Solid understanding of cloud-native, microservices, and event-driven architectures.
• Experience with CI/CD pipelines, software quality, observability, and cloud security best practices.
• Experience working with Kubernetes and Infrastructure as Code.
• Technical leadership experience, including mentoring engineers and guiding technical decisions.
• Ability to collaborate across architecture, engineering, cloud, and data teams.
• Strong communication and stakeholder management skills.
• Backend development experience with Java and/or Python.
• Advanced level of French and English.

Responsibilities

• Define detailed technical design, components, interfaces, and integration patterns.
• Lead development teams and enforce engineering standards and best practices.
• Coordinate architecture, cloud/platform, data, QA, and business stakeholders.
• Ensure delivery quality through testing, observability, and application security practices.
• Guide teams on GCP and AI Search implementation patterns.
• Lead technical discovery, estimation, and solution design workshops.
• Identify technical risks and propose mitigation strategies early.
• Ensure scalable, reliable, and production-ready AI solutions.
• Contribute hands-on in complex and high-impact technical areas.
• Support industrialization and operationalization of AI and search use cases.

Skills

Software engineering

Cloud architecture

Leadership

Communication

Backend Java/Python

French/English

Tools

Kubernetes

GCP

CI/CD

Job description

Paris

Why Valtech? We’re advisors, visionaries, creative and techies. We embrace all things digital. We talk to each other. We have fun. We love our clients. We’re looking ahead We are global

Lead Data Engineer - AI Search (all genders)

Why Valtech? We’re the experience innovation company - a trusted partner to the world’s most recognized brands. To our people we offer growth opportunities, a values-driven culture, international careers and the chance to shape the future of experience.

The opportunity

At Valtech, you’ll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries.

We are looking for a Lead Data Engineer — AI Search (all genders)to join Valtech and lead enterprise-scale AI, search, and conversational platform initiatives.At Valtech, we design and build scalable, high-performance digital solutions at the intersection of cloud engineering, AI, data, and experience design.The Tech Lead is responsible for mature study and translating architecture into scalable and production-ready solutions. This role drives detailed technical design choices, secures delivery quality, and coordinates development and integration activities across multidisciplinary teams.

You will thrive in this role if you:

• Are comfortable owning architectural decisions and long-term technical strategy


• Enjoy mentoring engineers and raising overall engineering maturity


• Can clearly communicate technical trade-offs to both technical and non-technical stakeholders


• Proactively identify risks, dependencies, and scalability concerns


• Balance delivery needs with long-term platform health

Key responsibilities

• Define detailed technical design, components, interfaces, and integration patterns.


• Lead development teams and enforce engineering standards and best practices.


• Coordinate architecture, cloud/platform, data, QA, and business stakeholders.


• Ensure delivery quality through testing, observability, and application security practices


• Guide teams on GCP and AI Search implementation patterns


• Lead technical discovery, estimation, and solution design workshops


• Identify technical risks and propose mitigation strategies early


• Ensure scalable, reliable, and production-ready AI solutions


• Contribute hands‑on in complex and high-impact technical areas


• Support industrialization and operationalization of AI and search use cases

Must have qualifications

• 7+ years of professional software engineering experience in enterprise environments


• Strong expertise in Google Cloud Platform (GCP) and AI ecosystems


• Experience with AI Search, conversational AI, and generative AI integrations


• Strong application architecture, API design, and enterprise integration experience


• Solid understanding of cloud-native, microservices, and event-driven architectures


• Experience with CI/CD pipelines, software quality, observability, and cloud security best practices


• Experience working with Kubernetes and Infrastructure as Code


• Technical leadership experience, including mentoring engineers and guiding technical decisions


• Ability to collaborate across architecture, engineering, cloud, and data teams


• Strong communication and stakeholder management skills


• Backend development experience with Java and/or Python


• Advanced level of French and English

If you do not meet all the listed qualifications or have gaps in your experience, we still encourage you to apply. At Valtech, we recognize that talent comes in many forms, and we value diverse perspectives and a willingness to learn.

Commitment to reaching all kinds of people

We design experiences that work for all kinds of people - and that starts with our own teams. At Valtech, we’re intentional about building an inclusive culture where everyone feels supported to grow, thrive and achieve their goals. No matter your background, you belong here. Explore our Diversity & Inclusion site to see how we’re creating a more equitable Valtech for all.

The benefits

This is a permanent position based in Paris/France with at least 3 days at the client office (Paris).

Beyond a competitive compensation package, we offer:

• Flexibility, with remote and hybrid work options (country-dependent)


• Career advancement, with international mobility and professional development programs


• Learning and development, with access to cutting-edge tools, training and industry experts

Our benefits are tailored to each location. Your Talent Partner will provide full details during the hiring process.

We are committed to inclusion and accessibility. If you need reasonable accommodations during the interview process, please either indicate it in your application or let your Talent Partner know.

About Valtech

Valtech is the experience innovation company that exists to unlock a better way to experience the world. By blending crafts, categories, and cultures, we help brands unlock new value in an increasingly digital world.

At the intersection of data, AI, creativity, and technology, we drive transformation for leading organizations, including L’Oréal, Mars, Audi, P&G, Volkswagen Dolby, and more.

At Valtech, we don’t just talk about transformation. We make it happen. Our people are the heart of our success, and we foster a workplace where everyone has the support to thrive, grow and innovate.

Are you ready to create what’s next? Join us.

As per the AGG (General Equal Treatment Act) in Germany and equivalent in France, jobs must be advertised in a gender-neutral manner. We use the statement (all genders) to make it clear that this position is open to all genders in these countries, even if the job title itself can be translated or interpreted as "masculine" in the French or German langu