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README.md
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README.md
@@ -1,8 +1,16 @@
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# Resume
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* todo
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* prepare stories
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* cross-team project with a hitch and deadline pressure
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* an urgent incident
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* in interviews, do the dumb version first
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## Usage
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1. modify [homebrew.yaml](./src/homebrew/homebrew.yaml)
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1. generate `cd ./src/homebrew; bash ./homebrew.sh` (interrupt when it starts timestamping)
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1. `open ./src/homebrew/homebrew.html`
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1. `ctrl + p` and save as pdf
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1. `ctrl + p` and save as `./src/homebrew/homebrew.pdf`
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1. commit + push
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1. `.gitea/...` CICD pushes to firebase + gitlab
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@@ -106,7 +106,12 @@
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<view style="display: flex; flex-direction: row;">
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<text style="color: rgb(23, 23, 23); font-weight: bold; padding-left: 6pt; padding-right: 6pt; line-height: 1.35; margin-top: 0pt;">•</text>
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<text style="color: rgb(23, 23, 23); font-weight: normal; line-height: 1.35; flex-grow: 1; flex-basis: 0px;">Stabilized automated management, performance tuning, and point-in-time-recovery infrastructure of tens of thousands of PostgreSQL databases.</text>
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<text style="color: rgb(23, 23, 23); font-weight: normal; line-height: 1.35; flex-grow: 1; flex-basis: 0px;">Cut new PostgreSQL major version support development cost from 8 weeks to 1 week.</text>
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</view>
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<view style="display: flex; flex-direction: row;">
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<text style="color: rgb(23, 23, 23); font-weight: bold; padding-left: 6pt; padding-right: 6pt; line-height: 1.35; margin-top: 0pt;">•</text>
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<text style="color: rgb(23, 23, 23); font-weight: normal; line-height: 1.35; flex-grow: 1; flex-basis: 0px;">Reduced point-in-time-recovery restore failure volume 60% and restore runtime up to 80% with dynamic tuning.</text>
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</view>
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@@ -25,33 +25,74 @@ resume:
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- title: Senior Software Engineer
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when: May 2025 - Present
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what:
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- Stabilized automated management, performance tuning, and point-in-time-recovery infrastructure of tens of thousands of PostgreSQL databases.
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- Cut new PostgreSQL major version support development cost from 8 weeks to 1 week.
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# refactored + go generated + templated CI from PG17 to PG18
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# had to wait 4w for TimescaleDB to ship, but no active time for us
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- Reduced point-in-time-recovery restore failure volume 60% and restore runtime up to 80% with dynamic tuning.
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# 40k paid, 30k free in 2025-12
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# performance tuning -> PGExport queries
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# pitr -> pitr holes, synchronous success tracking
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# -50% restore failure rate by limiting postgresql.conf memory
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# increment backups after 10k WAL files (1h of replay)
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# render_pg_archive.sh synchronously tracks PITR health
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#- Shipped autoscaling storage, in-place managed credential rotation
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- title: Software Engineer
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when: Dec 2023 - May 2025
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what:
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- Crafted PostgreSQL low-downtime migrations and in-place major version upgrades.
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# PGUpgrades
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# continuous canary testing matrix
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# 3 major version targets
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# FCR
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# all-in-one solution for cross-region, cross-account, cross-provider migrations
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# via physical replication
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# customer-triggered promotion
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# coupled to power HIPAA migration
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- title: Qualtrics
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headings:
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- title: Senior Software Engineer, Team Lead
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when: May 2022 - Dec 2023
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what:
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- Optimized a Go application to increase consumption rate from Kafka by 340%, costing half the engineering effort of the proposed rewrite.
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# Atlas QMP Consumer
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# optimized garbage collection of many small objects
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# from maps and allocs to pointers and slices
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#- Devised a MongoDB live indexing strategy, which supported both current and future use cases, and saved the computing and filling of a new 99% unused native database index.
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- Spearheaded AWS asset replication tooling, sparing 9 teams from duplicating work relocating up to 7 AWS technologies each.
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# Scanned AWS assets -> interactive script replicated configs to new AWS region
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# cloned S3, SQS, SNS, DynamoDB assets
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- Mentored 2 intern, 2 new grad, and 4 mid-level engineers on operational tools, best practices for maintainable software, and career development.
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- Founded the in-house standard system to continuously verify 16 teams' compliance with disaster recovery requirements.
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# Mongosback backup-check lists S3 for last backup timestamp
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- Created automated release test suites for 11 services, which catches 10 would-be customer facing bugs per month on average.
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# CRUDdy
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# tied to Nomad spec
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# on boot, healthchecks fail for new instance until e2e tests pass per-instance
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# blocked releases to staging
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- title: Software Engineer II
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when: Oct 2019 - May 2022
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what:
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#- "Scripted no-downtime database reconfiguration, which was leveraged by 3 teams to update 168 instances."
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- Automated infrastructure patching for 30 microservices and 25 database clusters by creating a modular and testable Bash script framework.
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# Nexpose-Remediations
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# Couchbase, Mongo, GaleraDB covered
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# spindown, isSpindownComplete, patch, reboot, pollRebooted, spinup, isSpinupComplete
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# used cross-team for all Mongo instances
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# bash tested via `source unit_test_setup.sh; test my_method`
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#- Administered on-call training, including 6 chaos tests gamedays across 5 systems.
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- title: Software Engineer I
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when: Feb 2018 - Oct 2019
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what:
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- Founded Python tookit for full and incremental MongoDB backups, supporting partitioned deployments. The in-house standard for 21 teams.
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# Mongosback
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# Python3 script
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# Handles sharded AND replica sets
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# watches for any shard in progress AND replica set healthy enough to continue
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- Decreased internal service's annual outages by 91% and hardware costs by 40% via database migration. Scoped alternatives, projected costs, and designed cutover.
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# Couchbase for GENI (MaraudersMap) was a mess
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# indexes just kinda disappeared, meaning table scans often
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# evaluated Mongo, Galera, CockroachDB
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# Mongo ran with little RAM on laptop + fast startup + lowest latency
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- title: Education
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headings:
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- title: Wake Forest University
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