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RemoteSenior Full-Stack Software Engineer
Feb 2025 - Present- Took ownership of DevOps infrastructure and billion-scale Python/C++ data pipelines shortly after joining. Led cost optimization efforts through vendor negotiations, infrastructure rightsizing, and monitoring.
- Migrated infrastructure-as-code from Terraform to OpenTofu with Scalr, implementing workflows that enabled multiple developers to collaborate on infrastructure changes simultaneously.
- Implemented observability with Sentry, CloudWatch, and BetterStack for rapid initial coverage, then consolidated into a unified LGTM stack (Grafana, Loki, Mimir, Tempo) for centralized monitoring and alerting.
- Redesigned CI/CD workflows with preview environments for pull requests. Dockerized API and migrated to ECS/Fargate for horizontal scaling, using Artillery via Lambda to establish data-driven scaling policies.
- Rightsized 20TB+ OpenSearch cluster, reducing costs by more than $8,000/month while improving query performance.
- Tuned SageMaker (TEI) instances for vector embedding generation at scale, orchestrating hybrid search pipelines across OpenSearch, SQS, and Lambda, enabling sub-second hybrid search across 1B+ product catalog.
- Completed third-party security audits with comprehensive documentation and infrastructure diagrams. Hardened environment via PrivateLink, Cloudflare Zero Trust, restrictive Security Group policies, and VPC/Subnet adjustments.