Senior Backend Engineer (Python, Cybersecurity)

TL;DR

Senior Backend Engineer (Python/Cybersecurity): Building and scaling cybersecurity platform features with an accent on high-performance API development, database architecture, and reliable microservices. Focus on implementing complex backend initiatives, ensuring code quality through testing, and driving technical excellence within a distributed team.

Location: Must be based in France (Paris, Rennes) or fully remote within France.

Company

hirify.global is a leading European cybersecurity company providing a sophisticated detection and response platform.

What you will do

• Collaborate with product, frontend, and infrastructure teams to scale the platform architecture.
• Develop and maintain backend services using Python, FastAPI, and modern SaaS infrastructure.
• Design and optimize high-load data pipelines and storage solutions using PostgreSQL, Clickhouse, and Kafka.
• Ensure platform reliability through robust unit and automated testing practices.
• Mentor and support team members by fostering a culture of feedback and continuous learning.
• Drive development process improvements and architectural decision-making.

Requirements

• Minimum 5 years of professional experience in backend development, specifically with Python.
• Must be fluent in English (written and spoken).
• Expertise in API design (REST) and modern backend frameworks like FastAPI.
• Strong proficiency with Docker, Kubernetes, and message queuing systems (Kafka, Celery).
• Experience in database management (PostgreSQL, Clickhouse) and caching (Redis).
• Proven architectural thinking and commitment to code quality and testing.

Nice to have

• Previous experience in the cybersecurity domain.
• Practical experience working with LLMs.
• Deep knowledge of Kubernetes and Docker ecosystems.

Culture & Benefits

• Fully remote or hybrid work environment with offices in Paris and Rennes.
• Strong focus on technical excellence, peer code reviews, and architectural growth.
• Commitment to diversity, equality, and inclusion in the workplace.
• Collaborative team culture emphasizing transparent communication and continuous learning.

Hiring process

• HR Interview with the Talent Acquisition Manager (30 minutes).
• Tech & Culture Fit interview with the Tech Lead and Engineering Manager (45 minutes).
• Deep-dive Tech Interview with the Tech Lead and a team member (1 hour).
• Wrap-up meeting with the Head of Engineering (30 minutes).