Full Stack Developer (Backend-Focused)

Bodyguard.ai is looking for its next Junior or Confirmed Full Stack Developer , with a strong appetite for backend development (roughly 75% backend / 25% frontend).

In close collaboration with our Engineering Manager and development team, you will contribute to building and improving the features that power Bodyguard's moderation technologies. You will work on a high-performance, low-latency system that processes millions of requests and analyzes massive volumes of content in real time. Our moderation engine must be both extremely fast and highly resilient, at scale. You will own your work from technical specification to production deployment, and grow your skills in a fast-paced, iterative environment.

Key Missions & Responsibilities

• Develop and maintain our APIs, microservices, and internal tooling, with a constant focus on performance, reliability and scalability .
• Contribute to the improvement of our core moderation algorithm workflows, operating under high traffic and large data volumes .
• Participate in the technical specification of new features alongside senior engineers.
• Write clean, tested, and well-documented code.
• Take part in code reviews and contribute to raising the team's quality bar.
• Occasionally contribute to frontend features and improvements to deliver a complete, end-to-end user experience.
• Be proactive in identifying areas of improvement and proposing solutions.
• Help the team ship releases that respect timelines and quality standards.

You Are

• A developer with minimum 2 years of professional experience.
• Comfortable working with modern backend frameworks and languages (Golang, Node.js/TypeScript).
• Familiar with building APIs (gRPC or REST).
• Curious about all areas of software engineering: backend, frontend, infrastructure, or even AI/LLM.
• Regular user of Claude Code or similar tool.
• Passionate about shipping quality products, interfaces and taking end-to-end responsibility for your work.
• Eager to learn, grow, and be challenged in a collaborative team.
• Able to communicate clearly in French (fluent) / English (professional).

Bonus Skills

• Exposure to cloud infrastructure (GCP, Scaleway, or Azure).
• Some frontend experience with React or Next.js.
• Familiarity with containerization tools (Docker, Kubernetes).
• Interest in content moderation.
• Interested in UI/UX best practices.
• Interest or exposure to performance optimization and low-latency system design (caching strategies, query optimization, efficient data structures, etc.).

The Stack

Backend:

• Golang (60%) / TypeScript,Node.js (30%) / Other (10%)
• gRPC (90%) / REST (10%)

Frontend: Next.js, Vite, React, Tailwind CSS

Data: PostgreSQL, ClickHouse, Redis

Infrastructure: Google Cloud Platform, Kubernetes, Terraform, Docker

Tooling: Claude Code, Linear, Notion, Grafana, Prometheus, Slack

Our Technical Mindset

• Product and tech teams work hand-in-hand, sharing daily meetings and full visibility over priorities and challenges.
• We believe engineers should own every aspect of their work, from technical specification to production deployment and monitoring.
• Our development lifecycle is fast and iterative: we deploy to production multiple times a day.
• We value curiosity across all areas of software engineering.
• Bodyguard is an AI company and an early LLM adopter. We have been running high-volume features powered by LLMs for over 3 years.
• We believe in a hands-on approach at every level of the company.

What We Offer

• Cool offices located in Nice, with remote work possible too.
• A great opportunity to be part of a growing, mission-driven company already making a real impact.
• The chance to play a role in the fight against online toxicity.
• Work/life balance: easy to play sports at lunchtime, pick up your kids, or telecommute.
• Luncheon vouchers and 80% health insurance coverage.
• Regular meetups, team seminars, workshops, and social activities.
• An exciting learning journey and real professional growth opportunities.
• A great team of like-minded people, young, fun and vibrant.

Additional Details

• Type of contract: Permanent contract (CDI)
• Remuneration: 45k€.
• Start date: As soon as possible.
• Location: Nice.
• Languages: French/English required.

Recruitment Process

1. Meet with HR.
2. Technical interview(s) with the CTO and/or Engineering Manager and/or a senior engineer.
3. Interview with Engineering Manager and/or CTO.
4. Cultural fit.
5. Meet the team you will be working with.