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The API Tooling Maintainer is a key technical and community-facing role responsible for owning, maintaining, governing, and evolving the TM Forum API tooling ecosystem. This includes the tools used to design, generate, validate, publish, and certify TM Forum Open APIs. The role is designed in the “open source maintainer” sense — providing leadership, moderation, code review, roadmap shaping, and operational stewardship for tools that underpin the global TM Forum API program. The Maintainer is essential to stabilizing and scaling the API Factory, eliminating single points of failure, unlocking throughput, and improving automation of our build process.
Job Responsibility:
Ownership & Governance of API Tooling
Community & Contribution Management
Delivery Pipeline & CI/CD Support
Roadmap, Innovation & Future proofing
Toolchain Operations & Support
Requirements:
Strong experience with OpenAPI 3.x, JSON Schema, AsyncAPI, API design and contract-first development
Solid understanding of CI/CD workflows, automation pipelines, and tooling ecosystems
Familiarity with GitHub, schema repositories, build systems, and API lifecycle automation
Ability to debug and support CTK pipelines, certification logic, and schema changes
Experience in open-source maintenance or community-driven technical governance
Ability to coordinate multi-vendor contributions in a neutral, structured way
Strong review, moderation and facilitation skills
Ability to work closely with API architects, Product Owner and Project Manager, Members, external collaborators and DevOps to unblock delivery blockers
Skilled at identifying gaps, risks, and dependencies in the API Factory and implementing mitigation