Principal Software Engineer - Fintech

The role

Cloudflare’s Billing Engineering team builds and operates the systems responsible for usage metering, aggregation, subscriptions, invoicing, payments, and revenue recognition. These systems power billions in revenue and support millions of customers across Cloudflare’s product portfolio.

We are rebuilding key parts of our billing platform to scale with products including AI, Zero Trust, Workers, Bot Management, and DDoS Protection. As a Senior Software Engineer on the Fintech team, you will design reliable financial infrastructure, lead projects from requirements through production, and help ensure billing remains accurate as Cloudflare grows.

Nice to have

Desirable Skills, Knowledge, and Experience

Five or more years of professional software engineering experience, or equivalent practical experience.
Experience building and operating distributed systems or backend services in production.
Proficiency in Go or another modern programming language, with an interest in working extensively with Go.
Strong understanding of RESTful APIs, service security, and API standards such as OpenAPI, OAuth, or JWT.
Working knowledge of SQL, data modeling, and relational databases such as PostgreSQL or MySQL.
Experience designing secure, highly available microservices in Linux or Unix environments.
Familiarity with event-driven architectures and asynchronous processing.
Strong troubleshooting, communication, and project ownership skills.

Bonus Points

Experience with billing, payments, subscriptions, usage metering, invoicing, financial ledgers, or revenue recognition.
Experience with technologies such as PostgreSQL, Redis, Kafka, Kubernetes, Docker, or Temporal.
Familiarity with reconciliation, idempotency, auditability, and financial data integrity.
Experience leading technically complex projects across multiple teams.

What Makes Cloudflare Special?

We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.

Project Galileo: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost.

Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states.

1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.

Sound like something you’d like to be a part of? We’d love to hear from you!

Please note that applicants who progress to the offer stage of the interview process may be asked to attend an in-person interview within one of the Cloudflare Offices or Cloudflare Hubs. More details about this will be available at that stage of the interview process.

Principal Software Engineer - Fintech

The role

Principal Software Engineer - Fintech

The role

What you will do

Nice to have

Desirable Skills, Knowledge, and Experience

Bonus Points

About Cloudflare

Similar jobs at other companies

Billing Engineer

Software Engineer, Billing

Staff+ Software Engineer, Billing Platform

Senior Software Engineer - Billing Platform

Staff Software Engineer - Billing Platform

Senior Software Engineer

Cloudflare