The Role
Join as a founding product engineer in Paris to build a customer-facing security product from scratch using LLMs and agentic systems. You will own architecture, implementation, deployment, and iteration; work closely with founders, design, and users; champion testing, CI, and observability; and shape product direction in a fast-paced, high-impact startup.
Summary Generated by Built In
Fledge
Job Summary
Required Skills and Qualifications
Tech Environment
In return, they offer
🌈 Diversity, Equity, Inclusion and Belonging
ℹ️ Important
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, XXXXXXXX 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. You will join a stealth-stage project at a pivotal moment, build a product from scratch and take full ownership from day one. This is a high-impact, product-driven role for someone who thrives on deep technical challenges in a fast-paced, iterative environment.
- 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.
- 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.
- 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.
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: [email protected]
Skills Required
- Design and build customer-facing features in collaboration with product, design, and real users
- Take full ownership of features and systems from architecture through deployment and iteration
- Engage directly with users over Slack or calls to gather feedback and shape product
- Work at the frontier of LLMs and agentic systems to address vulnerability management
- Champion high-quality engineering practices: well-tested code, fast CI pipelines, strong observability
- Contribute to product direction and help shape technical and cultural foundations
- Experience with TypeScript, React, Python, Node.js, LangChain, OpenAI, vector databases, CI/CD, and observability tools
- Active interest or experience in LLMs, agentic architectures, and developer/security tools
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The Company
What We Do
Fledge is the conscious company accelerator, focused on mission-driven for-profit startups addressing the most important problems of the world: poverty, hunger, unemployment, communities, and the environment.








