Josh Fischer is a founder and seasoned platform engineer with 11 years building reliable, cloud-native systems across AWS, GCP, and Azure. He leads BirdyFoot to deliver auditable usage metering and finance-grade cost allocation for high-volume, mission-critical platforms and AI workloads. Josh combines hands-on engineering—shipping real-time ingestion pipelines and multi-cloud observability—with leadership roles at Mastercard and 1904labs where his NLP bots saved Ring $5.5M/year. He’s contributed backend work to Apache Heron, improving configuration loading, dependency fixes, and tests for a well-known realtime stream processing engine. Comfortable bridging engineering, finance, and product teams, he focuses on traceability and compliance so every metric is provable from event to invoice. Based in St. Louis, he brings a pragmatic startup CTO mindset to enterprise-scale challenges.
Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter
Role in this project:
Back-end Developer
Contributions:6 releases, 72 reviews, 136 commits in 4 years 10 months
Contributions summary:Josh focused on configuring and developing the core configuration of the Heron eco system. This involved the initial setup and refactoring of the directory structure, along with fixing issues related to dependencies and versioning. The user worked on loading configurations from YAML files, implementing property substitution, and integrating Heron APIs. The user also added tests to validate the configuration maps and property substitution.
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