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April · Senior Software Engineer

Portfolio

April Rieger Senior Software Engineer

I design and operate Kubernetes platforms, IaC, and GitOps workflows where reliability, cost, and multi-environment operations matter.

Dynamic senior engineer specializing in IaC and Kubernetes provisioning—recent wins include roughly 20% AWS cost reduction alongside stronger operational efficiency. I thrive owning multi-environment platforms, automated deployment pipelines, and collaboration that turns infrastructure into something teams can ship on safely.

Focus

Kubernetes engineering, container orchestration, GitOps and continuous delivery

Platform

IaC provisioning, observability and reliability, multi-environment management

Stack

AWS EKS, Terraform/OpenTofu, Argo CD, Cloudflare edge (DNS, WAF, rate limiting)

API hardening before a partner integration deadline

Tightened authentication, rate limits, and contract tests on public-facing APIs so a flagship integration shipped on schedule without a security gamble.

SLA
Met launch window
Abuse resistance
Rate limits + keyed auth
Contract drift
Caught in CI
  • REST APIs
  • JWT
  • OpenAPI
  • Load testing
  • Rails

Cutting incident cost with sane deploys and rollbacks

Stabilized a high-change Rails service by tightening deploy mechanics, release discipline, and on-call handoffs—fewer regressions without freezing throughput.

Incidents
Down month-over-month after guardrails
Rollback time
Minutes, first-class path
Change rate
Kept shipping; less firefighting
  • Ruby on Rails
  • CI/CD
  • Observability
  • PostgreSQL

Employee360 — people data for managers

Consolidated fragmented employee context into a maintainable Rails app so managers could run reviews and coaching with less spreadsheet risk.

Outcome
Single source for 1:1 prep & reviews
Risk reduced
Ad-hoc file churn → auditable workflows
Stack
Rails monolith, pragmatic boundaries
  • Ruby on Rails
  • PostgreSQL
  • Product ownership
  • APIs