AWS Cloud Engineer

AWS Cloud Engineer -  MDM (Master Data Management)

Build high-performance, low-latency APIs for:

• Creating and updating data


• Searching and filtering attributes


• Managing identifiers, relationships, and metadata


• Use Amazon API Gateway (HTTP/REST APIs) and AWS Lambda or container-based runtimes.


• Implement caching layers (API Gateway cache / Redis via ElastiCache) for performance.

Data Layer (PostgreSQL)

• Develop normalized & optimized PostgreSQL schema,


• Implement indexing, partitioning, materialized views, and query tuning.


• Create CDC-based sync for downstream systems as needed.


• Ensure ACID consistency for transactional workloads.


• Real-time Ingestion, 

Build real-time pipelines using:

• API Gateway + Lambda


• Implement idempotency, deduplication, and real-time validations.

Security & Compliance

• Implement authentication/authorization using:


• AWS IAM


• API Keys / OAuth2


• Ensure encryption, auditing, logging, PII compliance (POPIA/GDPR).

Observability & Performance

• Implement monitoring using CloudWatch dashboards, X-Ray tracing.


• Optimize API performance


• Scale PostgreSQL using Aurora PostgreSQL, read replicas, and connection pooling.

 CI/CD & DevOps

• Build secure pipelines using:


• Azure,


• CloudFormation,


• docker

Core Technical Skills

• AWS API Gateway (REST/HTTP), Lambda, Step Functions, EventBridge, SQS, SNS, PostgreSQL,


• PostgreSQL performance tuning & schema design


• js / Python for API development


• AWS serverless and container-based architectures (Fargate/ECS)


• AWS Glue, S3, Glue Catalog, batch ETL

MDM concepts: MUST HAVE

• matching, deduplication, golden record


• Performance tuning at API, DB, and network layers


• Experience in building microservices or APIs using Docker containers