Senior Software Engineer (AI)

TL;DR

Senior Software Engineer (AI): Architecting and developing scalable backend systems that power cutting-edge AI applications, including advanced hybrid search, RAG pipelines, and complex agentic reasoning for hirify.global's AI Initiatives team. With an accent on designing modern architectures, AI/ML integration, and large-scale data processing in cloud infrastructure. Focus on optimizing performance for AI models, collaborating with data scientists, and solving complex problems at the intersection of AI and enterprise cloud applications.

Location: Office-based in Saint-Mandé, France

Company

hirify.global is a global leader in gaming, creating original and memorable gaming experiences from Assassin’s Creed to Just Dance.

What you will do

• Architect and develop scalable, high-performance back-end services to support AI applications.
• Optimize performance, ensuring low-latency and high-throughput serving of AI models, agents, and APIs.
• Collaborate with data scientists and ML engineers to integrate AI models and advanced agents into production systems.
• Build and maintain cloud-native solutions using platforms like AWS or Azure, focusing on scalability, security, and cost-efficiency.
• Provide technical leadership, mentor junior engineers, and contribute to the overall technical strategy of the team.
• Stay up-to-date with the latest trends in AI, cloud computing, and software engineering.

Requirements

• Professional software engineering experience, focusing on back-end development in compute-intensive and/or data-intensive environments.
• Expertise in programming languages such as Python, Java, Rust, or C++.
• Hands-on experience with cloud platforms (AWS, GCP, Azure) and containerization technologies (Docker, Kubernetes).
• Experience deploying and serving machine learning models in production environments.
• Strong understanding of system architecture, microservices, and API design.
• Proven ability to tackle complex technical challenges and deliver innovative solutions.
• English: B2 required

Nice to have

• Familiarity with Deep Learning architectures, Language Models, Vision Models.
• Understanding of RAG-based architectures (indexing, embedding, vector databases and search, query processing).
• Experience building and deploying AI agents and multi-agent systems, including agent orchestration frameworks.
• Experience with serverless architectures and event-driven systems.

Culture & Benefits

• Profit Sharing and yearly company saving plan, plus 25 paid time off and 12 additional paid days off.
• 50% of transportation pass paid by the company, lunch vouchers, and healthcare for you and your family.
• Maternity leaves of 20 weeks and paternity/co-parental leaves of 7 weeks.
• Onsite gym available in the building in Saint-Mandé.
• Commitment to an inclusive work environment that mirrors the diversity of gamers.

Hiring process

• 30-minute phone or visio call with a Recruiter.
• 60-minute interview with the manager of the role and a Recruiter.
• 60-minute interview with members of the AI team.
• Technical assessments with technical experts during the interview process.