Permanent contract - LLM Engineer - F/M

Sparteo - Suite of Solutions for Web Publishers

Since 2016, Sparteo has been revolutionizing advertising technology. Our AI-powered solutions boost media value on websites.

Sparteo is skyrocketing in Europe :

🇫🇷 2nd fastest-growing French AdTech company and 32nd nationwide (Les Echos).

🇪🇺 21st fastest-growing European Ad & Marketing company and 359th overall (Financial Times).

📈 Actirise is now the #1 Web SSP in France, overtaking Google AdExchange!

This success is driven by the dedication of more than 100 collaborators and the trust of our clients.
Our next ambition: becoming the #1 referenced Web SSP Worlwide.

🥉 Winning the Bronze Prize at the Ratecard Stars Awards (3rd at AdTech of the Year).

Why?

🧙 Passionate, dedicated teams! We empower them to learn, excel, and drive Sparteo’s success.

🌟 High-performance solutions: Actirise for display, FastCMP for consent management, Viously for video, and Voxeus for audio.

Discover our journey, products, and culture on 👉 our website 👈 !

Your Job

We are looking for a skilled and forward-thinking API & Automation Engineer to help us design, implement, and optimize high-performance systems that drive our AI and automation initiatives. In this role, you will play a key part in integrating cutting-edge technologies with enterprise platforms, ensuring system reliability, and collaborating across teams to deliver impactful, scalable solutions.

To specify :

1️⃣ API Development & System Integration

• Architect and implement scalable, secure APIs to integrate OpenAI and enterprise services.
• Develop automation solutions for internal and external applications

2️⃣ System Maintenance & Optimization

• Provide expert guidance on integration challenges
• Implement automated monitoring & alerting for system reliability

3️⃣ AI & Automation Innovation

• Leverage AI frameworks to enhance automation capabilities
• Develop smart workflows and integrate AI-powered solutions

4️⃣ Collaboration & Documentation

• Work closely with all departments to align automation with business needs
• Maintain comprehensive API documentation , ensuring clarity and usability
• Provide technical support and best practices for system integrations

Your profile for this job

✔ 8+ years of experience designing and implementing complex API solutions

✔ Mastery of Node.js , with expertise in scalable API architectures

✔ Strong experience in RESTful APIs

✔ Deep understanding of SQL/NoSQL database

✔ Hands-on experience with Docker and containerized environments

✔ Proven experience integrating LLM APIs like OpenAI

💡 Bonus Points for:

➕ Familiarity with automation platforms like n8n

Your mind set to share our adventure

• 🚀 You want to make an impact and move things forward collectively. Does hearing phrases like "Yes, but we've been doing it this way for years..." make your hair stand on end? We feel the same way: progress is made by questioning what already exists.
• 🧠 You solve problems pragmatically and analytically.
• 🏃‍♂️ You're looking for a fast-moving environment where your agility will be an asset. The 80-20 (Pareto) principle holds no secrets for you.
• 🎧 Your ability to listen encourages you to challenge and improve yourself on an ongoing basis.

Benefits & Work Environment

• 🌍 Dynamic Remote Culture: At Sparteo, we embrace a flexible work environment that adapts to your lifestyle, allowing you to contribute from wherever you feel most productive, be it from home or our urban offices in Paris, Lille, or London.
• 👥 Close-knit Team: Be part of our dynamic and united team, where collaboration, innovation, and mutual support drive our collective success and create a thriving work environment.
• 🎉 Vibrant Social Events: Engage in regular social gatherings and company events that foster community and celebrate our milestones.
• 🚀 Rapid Growth: Experience the excitement of working with a company in rapid expansion mode, impacting the advertising technology landscape across Europe and beyond.
• 📈 Tailored Support: We provide robust career development support, including training programs, career check-ins with HR, opportunities for internal mobility, and performance feedback sessions conducted quarterly or semi-annually, depending on your role.
• 🌴 RTT Days: We support work-life balance with additional rest days (RTT), provided based on position and tenure, empowering you to recharge and enjoy life outside of work.
• 🩺 Comprehensive Health and pension plans: We provide a robust health benefits plan, ensuring you and your family are covered and cared for.
• 💼 Additional Perks:
  • 🍽️ Benefit from the Swile card for meals.
  • 🚆 Partial reimbursement of public transit passes.

Ready to join Team Sparteo? Send us your CV and continue the recruitment process!

Here are the stages in our recruitment process

• Discussions about your driving forces, your ambitions and our Sparteo mindset will be held with a member of our Talent Acquisition team.

• Analytical and business logic tests

• Discussions with one or more members of the Sparteo team, including your future manager

• Taking up references

Our recruitment process is mainly conducted by videoconference; however, certain stages may require a face-to-face meeting.