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Senior DevOps Engineer (AWS) at Donyati. Location Information: India.                                                                                               . . Overview. As a senior DevOps Engineer, you will . own.  the AWS infrastructure and DevOps toolchain for a high-scale ad serving system composed of asynchronous . Java microservices (Akka framework). . Targets include . <50ms.  response time and . up to 5M concurrent users.  with . 99.99% uptime. . . Responsibilities. Design & stand up AWS.  environments end-to-end (landing zone, VPCs, networking, security, automation).. Build . immutable infrastructure.  and . CI/CD.  for Java microservices (Maven/Gradle) including blue/green & canary releases and automated rollbacks.. Implement . observability. : metrics, logs, traces, SLOs/SLIs, alerting, on-call runbooks.. Engineer . reliability & performance. : autoscaling, caching layers, multi-AZ/region DR, capacity planning to support 5M+ concurrent users and p95/p99 latency goals.. Establish . security-by-design. : IAM least privilege, KMS/Secrets Manager, WAF/Shield, image/signing policies, CIS benchmarks.. Partner with EY developers & Performance Test Engineer to tune JVM/Akka, thread pools, GC, and infra limits based on load-testing feedback.. Champion . cost governance.  and tagging; produce dashboards and weekly reports.. Tech you’ll use (you don’t need every single one, but you know most). AWS. : EKS/ECS, EC2, ALB/NLB, API Gateway/Lambda, S3/CloudFront, DynamoDB/ElastiCache (Redis), Aurora/RDS, MSK/Kinesis, OpenSearch, Route 53, VPC, NAT/GW, WAF/Shield, CloudWatch/X-Ray, IAM, KMS, Secrets Manager.. IaC & CI/CD. : Terraform/CloudFormation, Helm, Argo CD or Flux, GitHub Actions/Jenkins/GitLab CI, Docker.. Observability. : CloudWatch, OpenTelemetry, Prometheus/Grafana, log pipelines.. Languages/Build. : Bash/Python for automation; familiarity with Java build/release workflows.. What makes you a great fit. 3–5+ years total experience; . Senior/Manager-level.  depth in AWS platform engineering for . high-throughput, low-latency.  services.. Proven ownership of . production systems at 10k–1M+ concurrent users.  (or comparable high RPS) with 99.9x SLOs.. Hands-on with . Akka/Java microservice delivery pipelines.  (nice if you’ve tuned JVM, GC, Akka dispatchers).. Strong grounding in . scaling patterns.  (event-driven, async IO, caching, backpressure, rate limiting) and . resilience. (circuit breakers, retries, chaos).. Excellent collaboration, documentation, and stakeholder communication.. Logistics. Location. : Remote (prefer India candidates). Schedule. : Must join . US morning calls (Eastern Time).  as needed.. Start. : . 1–3 weeks.  from offer.. Term. : Through . end of January.  (likely extension).