Senior Software Engineer (AI)

TL;DR

Senior Software Engineer (AI): Designing and building scalable backend systems that power cutting-edge AI applications, including advanced hybrid search and RAG pipelines. Focus on optimizing performance for AI models, integrating them into production systems, and developing cloud-native solutions on AWS or Azure.

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

• Design and implement 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.
• Partner 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.
• Mentor junior engineers, conduct code reviews, 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, bringing innovative ideas.

Requirements

• Professional software engineering experience, with a focus 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.
• Application documents must be submitted in English.

Nice to have

• Familiarity with Deep Learning architectures, Language Models, and 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 (e.g., LangGraph, Strands Agents, CrewAI).
• Experience with serverless architectures and event-driven systems.
• Contributions to open-source projects or publications in relevant fields.

Culture & Benefits

• Profit Sharing and yearly company saving plan.
• 25 paid time off + 12 additional paid days off.
• 50% of transportation pass paid by the company, lunch vouchers (9€/day), and healthcare for you and your family.
• Maternity leaves of 20 weeks, paternity/co-parental leaves of 7 weeks.
• Office located in Saint-Mandé (Metro line 1, Saint Mandé station) with a gym available in the building.
• Commitment to an inclusive work environment without distinction of gender, ethnicity, religion, sexual orientation, social status, disability, or age.

Hiring process

• [30 minutes]: Phone or visio call with a Recruiter.
• [60 minutes]: Interview with the manager of the role and a Recruiter.
• [60 minutes]: Interview with members of the AI team.
• [60 minutes]: Technical assessments with technical experts from hirify.global.