Andrei Vogulkin
Principal Engineer · Billing & backend · 12 yrs

Teams & systems that
hold up under load.

The systems your business runs on — and the team that runs them.
Twelve years, from first commit to steady state.

12 yrs
billing & SaaS
$150k/mo
cloud budget owned
2,000 RPM
sustained high-load
SOC2
compliance shipped
Services

How an engagement unfolds,
start to finish.

From setting direction and hiring, through building the systems, to securing and running them in production.

01 Set direction & hire

Fractional tech lead / advisory

define goals, set strategy

Hiring & team building

interview loops, bar-raising

02 Build the systems

Building from the ground up

0→1 greenfield systems

Backend architecture & microservices

event-driven, DDD

Legacy → cloud migrations

monolith → EKS / Terraform

Engineering processes & velocity

CI/CD, faster TTM

Performance & scalability audits

high-load, latency

+

Something else?

let's scope it

03 Secure & operate

Security & compliance

SOC2, data protection

FinOps & cost optimization

right-sizing, spot, budgets

About

Twelve years across billing systems and B2B SaaS — Rust and TypeScript on the backend, AWS and Kubernetes underneath. I've led migrations off legacy monoliths, built teams from the first hire, and kept enterprise SLAs intact while cutting cloud spend.

Shipped for Tier-1 enterprise clients
BlackRock
J&J
Microsoft
Amazon
Hershey's
JP Morgan
Cisco
Get in touch

Have a system that's
too important to break?

Tell me what you're building. I reply within a day.

© 2026 Andrei Vogulkin