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# Senior Software Engineer - Fintech

- **Company:** CloudFlare
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Unix, Relational Databases, Linux, Distributed Systems, Fault Tolerance, PostgreSQL, MySQL, OAuth, Redis, Standard Sql, Software Engineering, Openapi, Software Troubleshooting, Backend, Event Driven Architecture, Kubernetes, Cloudflare, Apache Kafka, Restful APIs, Docker, Programming Languages, Microservices
- **Published:** October 16, 2026
- **Apply:** https://www.jofdav.com/jobs/60126288-senior-software-engineer-fintech

## About the Role

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.

## Description

At Cloudflare, were not looking for people who wait for a polished roadmap; were looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If youre the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, youll fit right in., Cloudflares 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 Cloudflares product portfolio., Build Billing Systems: Design, develop, and operate transactional microservices supporting metering, subscriptions, invoicing, payments, and financial workflows.

Own Projects End to End: Drive initiatives from requirements and technical design through implementation, testing, deployment, and ongoing operation.

Ensure Accuracy and Reliability: Build fault-tolerant systems that safely handle retries, failures, concurrency, and high transaction volumes while preserving financial correctness.

Maintain Operational Excellence: Monitor production services, investigate billing issues, improve observability, and address the underlying causes of recurring incidents.

Shape Technical Direction: Participate in architecture reviews, make pragmatic technical trade-offs, and help improve engineering standards across the billing platform.

Collaborate Cross-Functionally: Work with Product, Finance, Accounting, Support, and other engineering teams to turn complex business requirements into maintainable solutions.