Brandon Jacobs

• Tech Lead for CoreWeave Kubernetes Service.
• Organized and led the implementation of the senior IC leadership forum for the standardization of mentorship and guidance across the organization.
• Lead the design and implementation of multiple consumption model designs for capacity on CKS.
• Oversee designs and implementation of resilient multi zonal architecture for APIs and microservices including stateful backends.
• Designed and Deployed a global resilient oidc federation endpoint for cks backed by both Europe and Noth America (golang, kafka, redis)
• Act as primary incident responders for network and kubernetes incidents including handling troubleshooting of network and linux issues as it pertains to Kubernetes orchestration.

• Founding engineer and lead architect for CoreWeave Kubernetes
• Service, a managed kubernetes service offering for hyper performant AI / ML workloads at scale.
• Hired and built out a team of 12 engineers leading the CKS efforts
• Mentored multiple IC's on the CKS team during the development of CKS and it's services
• Hired and built out the Storage team, focused on Ceph based filesystem storage and object storage
• Architected core kubernetes infrastructure for on premise data center deployments that allowed teams to deploy and manage services across the company
• Architected and deployed a key authentication / authorization service using Kubernetes service account token signing keys for cross cluster authentication / authorization.
• Lead the testing and implementation of a Just in time (JIT) access control mechanism allowing fine grain access control for engineers into resources such as kubernetes clusters and host machines.
• Participate and lead over 50 + Incident review sessions regarding kubernetes, or networking incidents
• Lead multiple recovery efforts regarding ETCD backup and restoration during potential data loss situations

• Implemented a distributed metrics aggregation solution with Grafana Mimir, extending cloud metrics storage retention from 7 days to 1 year and enhancing data accessibility for analytics and monitoring.
• Spearheaded the deployment of CoreWeave's first production Object Storage Product using Ceph Storage across 3 regions, introducing dual storage tiers with individual user access management, resulting in improved scalability and user data control.
• Managed a large-scale, multi-region Kubernetes cluster exceeding 5000 nodes, successfully resolving major incidents including thundering herd issues, dark fiber cuts, and DHCP outages, ensuring continuous service availability and operational efficiency.
• Implemented a soft delete protection mechanism for Persistent Volume Claims in Kubernetes, resulting in the successful recovery of over 10PB of data from accidental deletions, significantly enhancing data reliability for customers.
• Established offsite and incremental ETCD backups for all Kubernetes clusters, ensuring a robust data backup system and enabling quick restoration in the event of failures.
• Developed and built out a comprehensive disaster recovery program for Kubernetes infrastructure, improving overall system resilience and minimizing downtime risks.

Lead Software Engineer for Platform and Core Services team managing Login & User Micro services, Data Pipelines, and Infrastructure using AWS, Terraform, C#, and Go (Golang).

• Recovered from AWS Regional outage within 3 hours for essential Login an User services by manually moving ECS services to AWS us-west-2 region.
• Established an updated multi-region Platinum resilient architecture including a multi region data pipeline, multi-region AWS RDS aurora MySQL cluster, and active / active REST API's with automatic DNS failover.
• Audit and maintain standard encryption and security protocols for all infrastructure and services.
• Updated team protocols and development environments by using local AWS development tools to enhance the local development experience.
• Upgrade and reconfigure Terraform from version 11 to 1 and streamline infrastructure modules to maintain DRY.

Backend Engineer responsible for company SaaS architecture in Amazon Web Services (AWS). Architect, build, and maintain Micro-services, networking, databases, distributed caches, and identity management for the platform.

• Create and maintain Multi-Account AWS Architecture designing for security, reliability, and accessibility using Terraform/Terragrunt
• Build Internal Tooling, auth2 and simulations services using Go, bash, and AWS.
• Develop and maintain Java micro-services for Kafka, Hazelcast, Websocket API’s and REST API’s.
• Manage and Deploy services via Docker, Terraform, and implement CI pipelines using CircleCI.
• Created Authorization and Authentication mechanisms for Users and service to service communication.
• Build and manage ETL pipeline using Go and AWS Lambda for reliable and scalable data transfer.
• Build and manage multi-tenant SaaS offerings including key micro-services, message brokers, databases, caches, and networking.

Software Engineer on the platform services team, responsible for the Identity services within the company as well as data parsing and email data integrations.

• Build and Scale Micro-services using Go, Docker, Message Queues, Container Orchestration, and Terraform to handle millions of messages daily.
• Built ETL Micro-service utilizing Kinesis Data Streams for stream processing and developing a client library in Go.
• Designed Core Data Model for the Internal Systems Authentication Micro-services in MySQL (AWS RDS).
• Built out core infrastructure for multiple teams including Databases, Caching Layers, Networking, Applications Layers, and Encryption.
• Worked closely with the Tech Lead to groom stories in agile scrum methodology, developing technical requirements and designs.
• Responsible for migration of 300 Million data records in support of company-wide security audit in under 24hrs with 0% data loss.
• Implemented multiple CI/CD pipelines with complete end to end and integration frameworks and deployment capabilities.

Platform Engineer working in Docker, Kubernetes, AWS, Terraform, Java, Golang, Kafka, and gRPC Systems to build an Event Driven micro-service ecosystem for first responder real-time detections.

• Developed a Geospatial Routing Service as part of a child abduction prevention system by modifying an open source framework to improve performance by 90% for high performance systems.
• Debugged and Optimized Elasticsearch Aggregation queries to improve performance by 50% on query times for the core UI application.
• Developed internal tooling using Go and Kafka Client Libraries to simulate load testing, data migrations, and local debugging.
• Utilize Junit, Mockito, and other testing frameworks to produce high quality and reliable code that meets quality gates.
• Managed K8S deployments in AWS using Helm, and Drone.io for deployment pipelines complete with full testing frameworks.
• Refactored and implemented a stream processing pipeline for data ingestion and analysis using Spring Boot, Flink, Elasticsearch, gRPC and Kafka.

Responsible for formalizing long term project requirements, mitigating risk, and enhance collaboration efforts with other units. Directed parallel large-scale projects, determine cost estimates, and manage project deadlines. Enhanced collaboration with multiple outside resources increasing efficiency in executing large scale events.