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Arsen Zhakypbek Uulu
Austin,TX
Summary
AWS Certified DevOps Engineer with a strong track record in optimizing CI/CD pipelines and managing Kubernetes clusters. Implemented solutions that reduced build times by 65%, improved deployment efficiency, and streamlined cloud migrations, delivering substantial cost savings.
Overview
1
1
Certification
9
9
years of professional experience
Work History
Senior DevOps Engineer
Apple
Austin, Texas
06.2025 - Current
- Engineered Go command-line tool that streamlined CI/CD processes for monorepo, enhancing deployment efficiency.
- Designed and implemented a webhook ingestion service in Go for unified CI/CD signals from GitHub, SonarQube, and internal systems into a standardized protobuf event contract.
- Created concurrent multi-registry image publishing across AWS, Alibaba, and JFrog Artifactory, facilitating parallel pushing of OCI images with registry-specific credential management.
- Developed internal command-line tool that accelerated software build-and-test pipelines by detecting impacted code sections, minimizing unnecessary tests and builds.
Staff Platform Engineer
Apex Fintech Solutions
Austin, TX
05.2023 - 06.2025
- Built gRPC API endpoint querying Spanner database, optimizing complex multi-table queries for UI data population.
- Designed and implemented data pipeline connecting BigQuery datasets to Spanner for real-time analytics.
- Developed RESTful APIs for programmatic access to API system, streamlining integration through clear payload design and parameter definitions.
- Enhanced Golang-based internal tool for Bazel, adding GCP secrets management functionality to improve security and usability.
- Contributed to SDLC solution with eight microservices utilizing Pub/Sub for event-driven architecture on Google Cloud Run.
- Developed Looker dashboards to track DORA metrics, enhancing software delivery performance measurement.
- Implemented caching solution in GitHub Actions for external dependencies, significantly reducing build times and improving workflow efficiency.
- Upgraded Bazel and migrated to new rules, reducing technical debt across projects.
Staff Cloud Engineer
Gemini
Austin, TX
06.2022 - 05.2023
- Developed Golang-based AWS Lambda functions, deployed to monitor new Kubernetes clusters and automatically register them in Harness, streamlining the cluster onboarding process for the Harness CD team.
- Developed AWS helper commands with bash scripts and a Python backend to enable developers to switch IAM roles, update Kubernetes configs, list resources, and use AWS SSM for SSH while dynamically fetching latest environment state.
- Proposed and implemented ADR to split AWS production into public and private accounts, enhancing security and control by hosting apps in private account with ingress managed in public.
- Developed a Golang-based Slack library with custom formatting, integrated into Concourse CI to send automated Slack notifications.
- Collaborated in quarterly PI planning as senior engineer, designing features and providing time estimates to guide project execution and align team efforts.
Senior DevOps Engineer
Apple
Austin, TX
04.2021 - 06.2022
- Rolled out Istio service mesh in development and test environments, facilitating Kubernetes migration and improving service management.
- Enabled personal local environments for developers to test feature changes against real development environment, leveraging Istio service mesh for dynamic routing.
- Developed Ansible role to install envoy sidecar proxy for applications running on EC2 instances to register them in Istio service mesh.
- Created multiple Kubernetes custom controllers to manage Istio VirtualServices for dynamic routing in Golang, enhancing deployment flexibility.
- Built mutating and validating Kubernetes webhooks to ensure deployed Kubernetes resources are following established code of conduct for writing Kubernetes manifests.
- Developed a custom S3 replication framework in Groovy using AWS CDK that's driven by a configuration file to accommodate different use-cases.
- Developed a REST client in Golang to integrate internal tools with Slack for notification purposes and custom formatting.
Senior DevOps Engineer
Jcrew Inc
New York, NY
04.2018 - 04.2021
- Engineered and deployed CI/CD pipelines for highly available, scalable application stacks using Jenkins, Terraform, and AWS SDK.
- Developed Terraform module to provision AWS EKS clusters and integrated updated CI/CD pipelines, ensuring seamless deployment and operational efficiency.
- Managed multi-tier AWS environments across multiple regions with Terraform, enhancing infrastructure automation and reliability.
- Constructed and maintained Terraform modules for efficient provisioning of AWS resources.
- Refactored Dockerfiles using multi-stage builds, resulting in an 80% reduction in container image size.
- Reduced build times for JavaScript applications by 65% and decreased failures by 70% through shared dependency caching across CI/CD jobs.
- Created CLI tool to automate installation of development tools for new hires, streamlining onboarding process and enabling immediate productivity.
DevOps Engineer
Cologuard
Brooklyn, NY
10.2017 - 04.2018
- Configured and installed Nagios using Ansible to monitor IT infrastructure across 800+ physical servers, ensuring system reliability.
- Automated backups of ephemeral data-stores to S3 buckets using AWS CLI for mission critical production servers, enhancing data protection.
- Managed Linux/Unix system administration for RHEL 6.x/7.x environments, overseeing server builds, installations, upgrades, patching, migrations, and troubleshooting to maintain system integrity.
- Executed troubleshooting tasks for RHEL 6.x and 7.x environments, ensuring optimal performance.
Education
System Administration - Software Development
Evolve Cyber
Chicago, IL05-2017
Business Administration - Management
The Academy of Public Administration
Bishkek, KG05-2016
Skills
- CI/CD pipelines
- Infrastructure as code
- Container orchestration
- Cloud services
- Service mesh architecture
- Event-driven architecture
- Monitoring solutions
- Data processing with BigQuery and Looker
- Programming in Go and Python
- Version control with GitHub and GitLab
- Build automation tools
- Database management
Certification
- AWS Certified Developer
- RedHat Certified Ansible Expert
Timeline
Senior DevOps Engineer
Apple
06.2025 - Current
Staff Platform Engineer
Apex Fintech Solutions
05.2023 - 06.2025
Staff Cloud Engineer
Gemini
06.2022 - 05.2023
Senior DevOps Engineer
Apple
04.2021 - 06.2022
Senior DevOps Engineer
Jcrew Inc
04.2018 - 04.2021
DevOps Engineer
Cologuard
10.2017 - 04.2018
System Administration - Software Development
Evolve Cyber
Business Administration - Management
The Academy of Public Administration