Billing Platform Engineer — Scale Subscriptions & Payments

Openkrill; United States; Remote; USD 110,000 - 180,000; Full time

Benefits offered by this job

30+ days off

Unlimited sick leave

Free office meals

Health coverage

Apple gear

Job summary

Solidgate is expanding its Billing team to build Billing 2.0, spanning invoicing, retries, subscriptions, and monetization. Join a small core team tasked with a global overhaul of the subscription infrastructure, and help ship a product that scales for modern internet businesses.

The role emphasizes automated testing, Go engineering, and the opportunity to switch from Java/PHP/Python to Go or vice versa, with extensive growth potential.

Qualifications

• 2+ years backend engineering experience in Go/PHP/Kotlin/Java/Python/Node.js.
• Experience covering code with unit, integration, functional, and e2e tests.
• Strong understanding of high-load system design principles.
• Experience with PostgreSQL and queues or streams.

Responsibilities

• Design and ship the foundational Products & Prices domain model and public APIs from scratch.
• Build high-precision volume and graduated pricing engines for multi-tier enterprise billing.
• Decouple critical services from the Products API to improve uptime and reduce single points of failure.
• Lead automated retry engine across all invoices to maximize revenue recovery.

Skills

Backend engineering

Go & multi-language exposure

Testing discipline

High-load systems

PostgreSQL & queues/streams

Tools

Kafka

AWS

CI/CD

Job description

Solidgate is expanding its Billing team to build Billing 2.0, spanning invoicing, retries, subscriptions, and monetization. Join a small core team tasked with a global overhaul of the subscription infrastructure, and help ship a product that scales for modern internet businesses.

The role emphasizes automated testing, Go engineering, and the opportunity to switch from Java/PHP/Python to Go or vice versa, with extensive growth potential.