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# Software Engineer

- **Company:** CloudFlare
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Adobe Analytics, IP Addressing, Cloudflare
- **Published:** October 15, 2026
- **Apply:** https://www.themuse.com/jobs/cloudflare/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

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.