Ingénieur.e de Fiabilité Senior.e - Fiabilité des Produits | Senior Site Reliability Engineer - Product Reliability

Job summary

Matador is seeking a Senior Site Reliability Engineer – Product Reliability to scale, operate, and improve the reliability of its AI-powered communication platform. This role involves ensuring the stability, scalability, and performance of systems powering real-time interactions across distributed architectures. The engineer will also investigate production incidents, identify root causes, and collaborate with engineering teams to enhance observability and long-term reliability.

Benefits

Qualifications

• 5+ years of experience in Site Reliability Engineering, Production Engineering, Backend Engineering, or similar roles
• Strong hands-on experience with Node.js and TypeScript in production environments
• Proven experience operating and troubleshooting distributed systems and microservices architectures
• Experience managing production workloads on AWS, including ECS, Lambda, SQS, and API Gateway
• Hands-on experience with Kafka, AWS SQS, or other messaging/event-streaming systems
• Strong understanding of observability, monitoring, alerting, and incident response best practices
• Experience debugging complex production issues across application, infrastructure, and networking layers
• Deep understanding of system reliability concepts including concurrency, asynchronous workflows, resiliency, fault tolerance, and eventual consistency
• Experience with MongoDB and Redis in high-scale production environments
• Ability to analyze logs, traces, metrics, and system behavior to identify root causes efficiently
• Strong communication skills and ability to collaborate across engineering, product, and support teams
• Experience mentoring engineers and contributing to operational excellence initiatives
• Experience with Kubernetes and container orchestration in production (Nice to have)
• Broader AWS infrastructure experience (networking, infrastructure-as-code, observability, cost optimization) (Nice to have)
• Experience with relational databases such as PostgreSQL (Nice to have)
• Experience developing load tests, resilience tests, and chaos engineering exercises (Nice to have)
• Prior customer support experience or direct work with customers to understand business impact (Nice to have)

Responsibilities

• Serve as first line of technical investigation for production incidents, product failures, and performance issues
• Analyze logs, traces, metrics, and system behavior to identify root causes and implement solutions
• Collaborate with backend engineering and DevOps teams to diagnose issues impacting stability, latency, and reliability
• Design and implement observability improvements, including monitoring, alerting, and structured logging across distributed systems
• Establish and improve incident response processes, including escalation procedures, post-mortem analysis, and prevention of recurring incidents
• Participate in architectural design of backend services, event-driven systems, and asynchronous messaging pipelines to ensure reliability and disaster recovery
• Optimize performance and resilience of systems operating under high load, powering thousands of real-time interactions
• Develop and maintain operational documentation, runbooks, and dashboards to support production operations
• Collaborate with product and customer support teams to understand business impact and prioritization
• Mentor junior engineers on reliability best practices and resilient design principles

Skills

Work schedule

Industry

Relocation