AI Powered Tech Lead

About the role

At Theodo, we design, develop, and deploy ingenious digital products for some of the most innovative companies in the world. Since 2009, our teams - composed of more than 850 passionate Software Engineers - have been leveraging cutting-edge technology and a Lean approach to deliver exceptional results, such as the TF1+ platform, the LCL Pro application, and the France Identité Numérique solution. In 2025, Theodo generated €100M in revenue, a testament to our sustained growth and expertise.

You will join a community of more than 120 Theodoers, including Software Engineers, Tech Leads, Engineering Managers, and Architects. Within a human-scale team of 4 to 5 members, you will collaborate closely with clients, regularly sharing progress, deepening your understanding of their challenges, and refining the product to align precisely with user needs. As Theodo continues to evolve alongside advances in artificial intelligence, this role invites you to become an AI Native Tech Lead, leading by example and empowering your team to embrace this new paradigm.

This position is based in Paris and is offered as a permanent contract.

What you'll do

As the Tech Lead, you will own the technical vision and delivery excellence for digital products that impact millions of users. You will design resilient, scalable architectures while accelerating delivery through the strategic use of AI capabilities, all while maintaining uncompromising quality standards.

• Ensure delivery excellence and product quality by structuring workflows around clear architectural diagrams, precise specifications, Clean Code principles, automated testing, and systematic code reviews.
• Implement a 5S-organized work environment to optimize efficiency, clarity, and problem-solving through daily practices such as Daily Problem Solving.
• Act as the client's trusted technical partner, participating in backlog refinement, daily ceremonies, and continuous alignment to ensure satisfaction at every stage.
• Leverage AI tools and agents to streamline development processes, reduce repetitive tasks, and increase team productivity.
• Champion the integration of Large Language Models to enhance problem-solving and innovation within the squad.
• Guide and mentor Software Engineers through pair programming, code reviews, and hands-on coaching to foster both technical and personal growth.
• Make informed, accountable technical decisions that balance innovation, cost, and time-to-market while defending these choices to stakeholders.
• Explore and prototype innovative solutions to validate hypotheses and mitigate risks in complex projects, such as those in Health or Banking.
• Define and monitor technical metrics to track delivery quality, team performance, and long-term product sustainability.
• Conduct in-depth root cause analysis to resolve systemic issues and contribute to the continuous improvement of knowledge and practices (Dantotsu).

Requirements

To fulfill this role, you must bring a strong foundation and proven experience in software development and digital product delivery.

• Experience: 4 to 8 years of professional experience in software development, with a demonstrated ability to manage complex projects from conception to deployment.
• Technical mastery: Solid understanding of web architectures, including frontend and backend development, database design, infrastructure, and deployment strategies.
• DevOps expertise: Deep knowledge of DevOps practices and tools, including Docker and Kubernetes, to ensure robust and scalable implementations.
• Architectural design: Ability to conceive scalable, future-proof architectures that meet high standards of performance, reliability, and security.
• Decision-making: Capacity to make decisive technical choices that balance innovation, cost-efficiency, and speed to market.
• Code quality: Strong commitment to writing clean, maintainable, and testable code that stands the test of time and collaboration.
• Collaboration style: Thrive in an agile, fast-paced environment where communication is clear, direct, and respectful, and where requirements may evolve frequently.

Nice to have

Professional experience in sectors such as Health or Banking is preferred, given the strict constraints and high reliability required in these industries.

Practical notes

Theodo is an equal opportunities employer. The role is based in Paris, with a hybrid work model available (3 days in the office, 2 days remote). Travel is not required for this position. The deadline for applications is September 30, 2025.