Founding Product Engineer - Early stage - Security

fledge; Paris; Sur place; EUR 90 000 - 130 000; Plein temps

Avantages offerts par ce poste

Competitive salary

Meaningful equity

Full benefits

Onsite in Paris

Résumé du poste

Fledge in Paris is seeking a Product Engineer to work with founders, engineering, design and product teams to build customer-facing, AI-powered security products from the ground up. You’ll be a key player in enabling the mission to make application security invisible by leveraging LLMs and agentic systems, a high-impact, product-driven role with strong ownership.

You will own features end-to-end, engage directly with users, and contribute to the technical and cultural foundations while shipping

Qualifications

• Experience with building customer-facing features in collaboration with product, design, and users.
• Ability to own features from architecture to deployment.
• Experience engaging with users to gather feedback and shape product.
• Work with LLMs and agentic architectures to enable secure software products.

Responsabilités

• Design and ship customer-facing features with rapid iteration.
• Own features end-to-end from architecture to deployment.
• Engage with users via Slack/calls for feedback and product shaping.
• Explore LLM/agentic systems to advance product capabilities.
• Maintain high engineering standards: tests, CI pipelines, observability.
• Contribute to product direction and technical foundations.

Connaissances

LLMs

Agentic systems

Frontend development

Backend development

Product ownership

Outils

LangChain

OpenAI

Vector databases

CI/CD

Observability tools

Description du poste

Fledge

We are a boutique Talent search firm connecting exceptional Talent with the most innovative companies in the AI and software development industries across EMEA. Our clients are among companies with innovative products that have a positive impact on our societies and we present them with a solution model between fine consulting and flexible recruitment process outsourcing:

• Fractional Talent acquisition advisory
• Recruitment operation tools
• On-demand Talent sourcing expertise

Job Summary

As a Product Engineer based in Paris, you’ll work closely with the founders, engineering, design, and product teams by building customer-facing, AI-powered security products from the ground up. You’ll be a key player in enabling the mission to make application security invisible by leveraging LLMs and agentic systems. This is a high-impact, product-driven role that combines deep technical ownership with a fast-paced, iterative mindset.

Required Skills and Qualifications

• Design and build customer-facing features in collaboration with product, design, and real users—shipping fast and learning constantly.
• Take full ownership of features and systems, from architecture and implementation to deployment and iteration.
• Engage directly with users over Slack or calls to gather feedback and shape the product around real-world usage.
• Work at the frontier of LLMs and agentic systems to accelerate development and tackle vulnerability management in novel ways.
• Champion high-quality engineering practices: well-tested code, fast CI pipelines, and strong observability.
• Contribute to product direction and help shape the overall technical and cultural foundations.

Tech Environment

• Likely tools and frameworks: TypeScript/React, Python, Node.js, LangChain, OpenAI, vector databases, modern CI/CD, and observability tools.
• Strong preference for experience or active interest in LLMs, agentic architectures, and developer/security tools.

In return, they offer

• A chance to work at the intersection of security and AI, helping shape the future of both industries.
• An early role in a high-talent, globally ambitious team backed by leading VCs and tech executives.
• Competitive salary, meaningful equity, and full benefits.
• Full-time, onsite collaboration in Paris with an English-speaking team building for a global market.
• A culture that prioritizes ownership, innovation, speed, and thoughtful engineering.

Diversity, Equity, Inclusion and Belonging

We are committed to enabling everyone to feel included and valued and trust our partners to do the same. Both the company and its culture are strongest when composed of diverse experiences and backgrounds.

All qualified applicants will receive consideration for employment without regard to age, color, family, gender identity, marital status, national origin, physical or mental disability, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws.

Important

If you have a medical condition or an individual need for an adjustment to our process, and you believe this may affect your ability to be at your best - please let us know so we can talk about how we can best support you and make any adjustments that may be needed.

In case of any doubts or questions, please contact here: [e-mail]