Lead AI-Driven Software Engineer

Kleio; Paris; On-site; EUR 90,000 - 140,000; Full time

Job summary

Kleio is seeking a Lead Software Engineer to develop infrastructure and tools for its Conversational AI in enterprise applications. You will drive design, implementation, deployment, and maintenance across the full lifecycle, while shaping a collaborative culture as a founding member.

You will work with product managers, data scientists, and engineers to deliver robust, scalable solutions and mentor a growing team in a fast-paced environment.

Qualifications

• 5+ years of professional software development experience.
• Proven track record of designing and developing full-stack web solutions for complex problems.
• Strong hands-on experience with data structures, algorithms, profiling/optimization, DRY code, and OO/FP principles.
• Demonstrated end-to-end ownership of projects.
• Excellent verbal and written communication skills in English.
• Demonstrated interest in Generative AI technology (e.g., RAG concepts).

Responsibilities

• Design and implement robust software engineering solutions and frameworks.
• Implement and enhance engineering best practices company-wide.
• Collaborate with data scientists to translate AI research into production-ready features.
• Lead cross-team technical design discussions on architecture, UI components, and testing.
• Mentor junior team members and ensure coding standards.
• Interface and communicate with customers.
• Contribute to building and growing the engineering team.

Skills

5+ years of experience

Typed languages

Full-stack design

End-to-end ownership

English communication

Leadership experience

Education

Degree in Computer Science / Math

Tools

TypeScript

Python

Java

Job description

Kleio is seeking a Lead Software Engineer to develop infrastructure and tools for its Conversational AI in enterprise applications. You will drive design, implementation, deployment, and maintenance across the full lifecycle, while shaping a collaborative culture as a founding member.

You will work with product managers, data scientists, and engineers to deliver robust, scalable solutions and mentor a growing team in a fast-paced environment.