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Kong is seeking a Software Engineer to join the Billing Platform Team, a key contributor role building and maintaining TypeScript microservices that power Kong's commercial infrastructure. You will work across the full billing lifecycle, developing features for subscription management, entitlement provisioning, usage metering, and CRM integrations while growing expertise in distributed systems and financial platform engineering.
Key responsibilities include:
- Develop and maintain TypeScript microservices supporting billing lifecycle management across self-serve and enterprise plan models
- Build and maintain integrations with payment processing and usage metering platforms for invoice generation and consumption tracking
- Implement reliable event-driven features using Kafka or similar platforms to process billing state transitions, entitlement updates, and provisioning triggers
- Contribute to the entitlement enforcement layer controlling product access based on customer plan and contract state
- Work on provisioning workflows automating the path from sales contract events to live org configurations
- Collaborate with senior engineers, RevOps, and finance stakeholders to deliver accurate and auditable billing behavior
- Write clean, maintainable, well-tested code with comprehensive unit and integration tests across financial workflows
- Participate in code reviews and design discussions focused on correctness and operational reliability
- Monitor service health and contribute to operational improvements for billing platform services
- Participate in on-call rotation supporting billing platform service reliability
Requirements:
- 3+ years of professional software engineering experience building backend services
- Strong proficiency in TypeScript and Node.js with production service experience, ideally with NestJS or similar framework
- Solid experience with relational databases (PostgreSQL or similar) including data modeling and query design
- Experience building or consuming REST APIs and working with third-party service integrations
- Understanding of event-driven architecture patterns and message-based systems (Kafka, SQS, or similar)
- Familiarity with distributed systems concepts including eventual consistency, idempotency, and failure handling
- Experience with multi-tenant SaaS systems and per-tenant data isolation requirements
- Experience deploying and operating services on Kubernetes in a cloud environment
- Solid computer science fundamentals including data structures, algorithms, and system design
- Experience with CI/CD pipelines and tools such as GitHub Actions or Jenkins
- Demonstrated skills using code repositories and collaboration tools (GitHub, JIRA, Confluence, or similar)
- Experience working with globally distributed teams
- Strong debugging skills and ability to trace data consistency issues across service boundaries
Bonus qualifications:
- Experience with billing or payment platforms (Stripe, Chargebee, Zuora) or usage metering systems (Metronome, Lago)
- Familiarity with CRM-driven provisioning workflows or Salesforce event consumption
- Exposure to Snowflake or other data warehouse platforms for business logic or contract aggregation
- Experience with ClickHouse, Druid, or similar OLAP systems for usage and analytics data
- Knowledge of subscription lifecycle concepts (trials, prorations, renewals, credits)
- Experience building internal admin tooling for operational or support use cases
- Familiarity with AWS services (EKS, RDS, SQS, S3, or similar)
- Knowledge of Infrastructure as Code tools (Terraform, Pulumi)
- Experience with observability and monitoring tools (Datadog, Prometheus, Grafana, OpenTelemetry)
- Fullstack capable with lightweight internal UI experience
- Genuine interest in systems where data correctness has real commercial stakes
- Experience with Docker, Kafka, CDC, or Flink
