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Software Development Engineer III – API Platform
Location
India
Posted
170 days ago
Salary
0
Seniority
Senior
Job Description
Software Development Engineer III – API Platform
HighLevel
• Architect, maintain, and evolve the core API platform infrastructure used by all product teams • Define and enforce API governance standards, including request/response schemas, naming conventions, error envelopes, authentication patterns, and security guidelines • Own API lifecycle management: versioning, migration, deprecation, and compatibility guarantees. • Lead the creation of tooling for SDK generation, documentation automation (OpenAPI), contract validation, and developer onboarding workflows • Design and scale multi-tenant, high-traffic API systems handling millions of requests/day • Build frameworks for API reliability: rate limiting, circuit breaking, retry semantics, idempotency, and data consistency patterns • Architect secure and resilient integration pipelines: webhooks, events, streaming services, and async workflows • Build an exceptional API developer experience through consistent design, intuitive onboarding, powerful debugging tools, and clear documentation • Shape and maintain an internal API catalog/schema registry used across teams • Improve API observability via structured logging, telemetry standards, SLO-driven dashboards, and API analytics. • Work with product managers to shape platform strategy around extensibility and ecosystem growth • Partner with engineering teams to guide API modeling, breaking-change mitigation, and backwards-compatible evolution
Job Requirements
- 4+ years of engineering experience, with at least 2 years working on large-scale SaaS products.
- Proven experience owning or designing public-facing API frameworks, developer platforms, or integration ecosystems.
- Deep knowledge of API paradigms (REST, GraphQL, event-driven APIs), Versioning strategies (URL-, header-, media-type–based, resource evolution), Authentication & security standards (OAuth2.0, JWT, HMAC, scopes) & Schema evolution, OpenAPI management, and contract testing
- Strong coding foundation in JavaScript/TypeScript and Node.js or similar backend stacks.
- Experience with distributed systems: queues, event buses, CRON schedulers, idempotency, message ordering, and failure recovery
- Demonstrated ability to design systems that scale to millions of events or API calls per day
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