Worldline

Cloud DevOps

Worldline

Chennai•On-site•5-8 Yrs•Jul 7

Job description

cloud-devopsawsci-cdcontainerizationiac

Overview

Cloud DevOps position at Worldline involved in CI/CD pipeline management for ECS and Lambda services, container builds, automation, infrastructure provisioning, monitoring.

Responsibilities

Build/maintain CI/CD pipelines for ECS services (WS CM, Cloud API) and Lambda (TransactionManager) using GitHub Actions or CodePipeline.
Manage container build, tagging, and deployment workflows for ECS Fargate via ECR.
Implement blue/green and rolling deployments for zero-downtime releases.
Provision environment-specific infrastructure (dev/staging/prod) with Terraform or AWS CDK; ensure parity.
Operate/monitor ECS autoscaling, ALB health checks, and target groups for WebSocket workloads.
Manage secrets/config (AWS Secrets Manager, SSM Parameter Store) across services.
Build operational dashboards (CloudWatch, Grafana) for WS connections, reconnects, queue depths, Lambda errors, and latency.
Set up alerts/on-call runbooks for critical scenarios (stale connections, DLQ backlog, terminal send failures, Lambda throttling).
Support load testing for 10k+ concurrent WebSocket connections.
Implement log aggregation/structured pipelines (CloudWatch Logs Insights, OpenSearch).

Qualifications

5+ Years of total experience
CI/CD tools: GitHub Actions or CodePipeline
Docker/container build pipelines
AWS ECS Fargate deployment/management
Infrastructure as Code: Terraform or AWS CDK
AWS: ALB, Target Groups, Health Checks
AWS CloudWatch: dashboards, alarms, logs
AWS Secrets Manager & SSM Parameter Store
SQS monitoring & DLQ alerting
AWS Lambda deployment/versioning
Amazon ECR image lifecycle policies
Git and branch-based release workflows
Linux/Bash scripting

Nice to have

WebSocket-heavy workloads; connection lifecycle knowledge
Redis cluster ops and DynamoDB capacity planning
AWS Certifications (DevOps Engineer – Professional, SysOps Administrator)
Fintech/payments/PCI-DSS exposure
Load testing tools (k6, Locust, Artillery) for thousands of concurrent connections

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