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Faethon Milikouris

@faethonmilikouris

Senior Platform Engineer at Credit Karma who designed Go APIs for self-service AWS account vending and compliant provisioning.

United States

Message

At Credit Karma, I designed Go REST APIs for self-service AWS account vending, helping consumer-finance teams provision compliant environments without ticket handoffs. I published reusable Terraform modules and added validation and drift detection for shared-account changes.

I’ve also worked on platform reliability through OpenTelemetry, Prometheus, and Grafana, aligning alerts to service-level objectives and hardening retry paths after on-call incidents. Earlier, I developed backend services at Credit Karma and LoopUp, including a change that reduced duplicate session-state reconciliation defects by 18%.

Experience

Work history, roles, and key accomplishments

Current

Senior Platform Engineer

Current

Credit Karma

Mar 2022 - Present (4 years 7 months)

Designed Go-based REST APIs for self-service AWS account vending, enforcing idempotency and schema validation. Published approved AWS defaults through reusable Terraform modules and enforced multi-account controls with AWS Organizations, IAM, and OPA.

Go Python AWS Terraform REST APIs AWS Organizations AWS IAM Open Policy Agent OpenTelemetry Prometheus Grafana GitHub Actions Terratest BASH Linux Networking

Software Engineer

LoopUp

Jan 2016 - May 2019 (3 years 4 months)

Implemented session-state handling for a cloud communications product, validating join and leave events and applying idempotent updates. Reduced duplicate session-state reconciliation defects by 18% by batching repeated presence updates.

Session Management Idempotency Regression Testing Distributed Systems Instrumentation

Software Engineer

Valuation Metrics Inc

Sep 2015 - Jan 2016 (4 months)

Built validation and normalization steps for valuation-analysis inputs, rejecting malformed asset attributes. Reduced invalid-record rework by 14% by checking required fields at ingestion.

Data Validation Batch Processing Regression Testing Python

Software Engineer

Intellection Software

Sep 2014 - Sep 2015 (1 year)

Implemented application features for business-software workflows, separating input validation from persistence. Shortened regression verification from about 90 minutes to 60 minutes by automating core user flows.

Input Validation Authorization Error Handling Testing Automation Regression Testing