Senior Site Reliability Engineer (Ruby+ DevOps)

Exadel is an AI-first global tech company with over 25 years of engineering leadership, employing more than 2,000 team members and managing 500+ active projects for Fortune 500 clients such as HBO, Microsoft, Google, and Starbucks. The client company has been building solutions since 1992 for mobile apps, payment, business travel, and advertising, currently developing a mobility platform to manage vehicles, drivers, regulators, service providers, and riders.

• 7+ years of experience, specializing in Kubernetes and AWS
• Strong programming skills in at least one major language (Ruby, Java, Go, Python, .NET, or similar)
• Solid understanding of concurrency, runtime behavior, and performance optimization
• Hands-on experience with Docker and containerized workloads
• Strong Kubernetes expertise (Deployments, StatefulSets, Services, Ingress, Helm, troubleshooting, autoscaling)
• Strong AWS experience (EC2, EKS, RDS, S3, IAM, VPC, Load Balancers, CloudWatch)
• Experience designing infrastructure for high availability and disaster recovery
• Experience with CI/CD pipelines and Infrastructure as Code (Terraform, CloudFormation, Pulumi, or similar)
• Experience with RabbitMQ or similar messaging systems (Kafka, SQS, Pulsar, etc.)
• Strong understanding of relational databases (MySQL/PostgreSQL), including query optimization, replication, and failover strategies
• Familiarity with NoSQL and in-memory databases (Redis, DynamoDB, MongoDB)
• Experience with distributed systems, microservices, capacity planning, and fault tolerance
• Experience with monitoring and observability tools (Prometheus, Grafana, Datadog, ELK/OpenSearch, OpenTelemetry)
• Strong understanding of Linux systems and networking fundamentals (TCP/IP, DNS, HTTP/HTTPS, TLS, load balancing)
• Experience with SRE practices, including SLOs/SLIs/SLAs, load testing, resilience testing, and incident management
• Strong communication skills and ability to collaborate across engineering teams
• Calm and effective during incidents with an ownership mindset

Nice to have:

• Experience operating production systems written in Ruby, Java, or other major platforms
• Framework experience such as Ruby on Rails, Spring Boot, or similar
• Experience operating high-traffic SaaS platforms
• Cost optimization in cloud environments
• Chaos engineering practices
• Experience mentoring junior engineers

• Design, build, and operate reliable, scalable distributed systems
• Improve system availability, performance, and resilience
• Automate infrastructure, deployments, and operational processes
• Diagnose and resolve production issues
• Lead upgrades and migrations with minimal or zero downtime
• Participate in on-call rotations and incident response
• Collaborate closely with development teams to improve operability
• Drive best practices around monitoring, alerting, and capacity planning
• Reduce operational toil through automation
• Contribute to incident management, post-mortems, disaster recovery strategies, and continuous reliability improvements

Exadel is an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more. Reasonable accommodations are available to enable individuals with disabilities to perform essential functions. The job description is not exhaustive; duties and responsibilities may evolve based on business needs.