Jobs / NOVEO
Senior SRE & DevOps Engineer H/F - Paris
NOVEO · Paris, A8, France
Paris, A8, FranceContractExp: 6+ yrsRemote
Remuneration
€11 meal vouchers per working day, with 50% employer contribution; 50% public transport contribution; 50% Alan health insurance contribution; 10 RTT days
Location
Paris, A8, France
Visa sponsorship
Not specified
Job summary
The Senior Site Reliability Engineer will improve the reliability, resilience, and performance of a platform processing financial transactions across multiple countries, while supporting its transition from a monolith to independent services. The role focuses on Datadog observability, resilient and zero-downtime deployments on AWS ECS, optimized GitHub Actions CI/CD, and incident response practices including SLOs, on-call, runbooks, and postmortems. The application stack includes Node.js, NestJS, MongoDB, GraphQL, Redis, and Bull.
Benefits
Meal vouchers worth €11 per working day, with 50% employer contributionPublic transport costs covered at 50%Alan health insurance covered at 50%10 RTT days
Qualifications
- At least 6 years of experience in SRE, Platform Engineering, or DevOps
- Production experience with Node.js and diagnosing event loop, V8 heap, and memory issues
- Strong MongoDB experience at scale, including indexing, aggregation pipelines, replica sets, and online migrations
- Hands-on AWS ECS/Fargate and container workload experience, including health checks, task definitions, and autoscaling
- Strong Datadog experience with custom metrics, monitors, synthetic tests, and APM instrumentation
- Experience building and optimizing GitHub Actions CI/CD pipelines in a monorepo
- Production incident management, root-cause analysis, and postmortem experience
- Ability to work autonomously and prioritize reliability improvements
- Good spoken and written English
Responsibilities
- Improve platform observability, custom metrics, alerts, dashboards, and synthetic tests using Datadog
- Design zero-downtime deployments, online database migration standards, feature flags, and canary releases
- Improve blue/green deployments on AWS ECS
- Identify and address architectural and infrastructure weaknesses, including event listeners, SSE reconnection, data flows, and Redis key management
- Implement circuit breakers, controlled reconnection strategies, and reusable resilience patterns
- Establish incident response and on-call practices, runbooks, SLOs, error budgets, and postmortems
- Optimize GitHub Actions CI/CD pipelines for a monorepo, including affected-only builds and caching
- Integrate automated security checks and support the transition from a monolith to independent services
Skills
AWSCloudWatchDatadogECSFargateGitHubGitHub ActionsGraphQLMongoDBNode.jsRedisS3Snyk
Languages
English
Work schedule
39-hour workweek10 RTT days
Industry
B2B technologyFinancial transactionsSoftware platform
Relocation
No