Senior Backend Engineer Cloud (AWS)

Be.Change Consulting is seeking a passionate Senior Backend Cloud Engineer (AWS) to design, build, and scale robust cloud architectures for conversational AI and real-time voice projects.

Requirements

• Design and implement microservices with Java/Quarkus and Node.js or Python, exposed as REST APIs and event-driven architectures.
• Configure and maintain authentication and authorization flows using Keycloak, OAuth2/OIDC, JWT, and mTLS.
• Manage infrastructure on AWS: EKS/ECS Fargate, Lambda, DynamoDB, Aurora, ElastiCache, Kinesis, S3, CloudFront, and WAF.
• Build and maintain web/mobile tracking SDKs with batching, retry, and event versioning support.
• Define and maintain infrastructure as code with Terraform or CloudFormation; manage CI/CD pipelines and observability strategies with CloudWatch.
• Actively participate in code reviews, security standards definition, and architecture sessions.
• Collaborate with product, data, and infrastructure teams to align technical decisions with business objectives.