Asher Rankin

• • Lead Platform Engineer for Dataiku GenAI/ML platform hosted in AWS, serving over 900 users across the EU

• • Own AWS infrastructure supporting enterprise ML platform including EKS clusters, compute scaling, and Datadog observability stack.

• • Architected AWS-based solution for a new platform environment and led technical migration

• • Rebuilt EKS cluster and node groups to support performant ML and GenAI workloads.

• • Built modular TypeScript CDK constructs for data platform resources, including reusable API Gateway deployments with Lambda integrations and MWAA environment provisioning, enabling faster major version upgrades

• • Redesigned Amazon MWAA from an unnamed to a named instance, redesigning VPC networking, security groups, load balancer routing, Route 53 DNS, and ACM certificate management to meet internal security and compliance requirements

• • Managed Snowflake administration including custom role creation, integrations, and database operations

• • Developed and secured Lambda functions with VPC connectivity, API Gateways with rate limiting, and S3 buckets with KMS encryption for data at rest

• • Managed Datadog monitoring for infrastructure observability

• • Deep work in Cloudformation, Codepipeline

• • Improved signal-to-noise ratio in internal Slack infrastructure alerting channel by tuning alert thresholds and routing

• • Developed Pulumi IaC in Python with associated GitHub Actions pipelines to enable declarative, repeatable platform updates and infrastructure management

• • Built and configured an AKS Kubernetes cluster to host containerised applications, delivering improved scalability, reliability, and operational consistency

• • Converted manual Flutter/Dart deployment processes into automated GitHub Actions CI/CD pipelines, reducing deployment time for both test and production environments

• • Installed and configured Graylog and Elasticsearch for centralised logging and monitoring, establishing structured observability across the platform

• • Designed Azure Entra ID architecture to secure application access and implemented MariaDB security controls for protected database operations

• • Configured Azure Virtual Networks to enable secure, controlled connectivity between databases and web applications