Description
API Architect
Location: Seattle Hybrid
Department: Software Engineering
Location Type: HYBRID
Employment Type: FULL_TIME
Who We're Looking For
Supio's competitive advantage isn't just our UI – it's the set of powerful AI "engines" we've built: drafting, structured extraction, timelines, economics, and more. Our next phase of growth depends on exposing these capabilities through partner APIs, so distribution isn't limited to a single Supio interface.
As API Architect, you'll own the design and governance of Supio's external API surface – the "contract with the world." You'll architect how internal capabilities become consumable API products. This is a strategic, cross-cutting role.
A bit about you
- You've designed and shipped developer-facing APIs at scale—not just consumed them.
- You have strong opinions on REST design, versioning, developer experience, and API governance.
- You think in terms of "API as product"—you understand that external APIs are a business surface, not just technical plumbing.
- You can navigate the politics of internal vs. external contracts and partner effectively with core engineering teams.
- You're comfortable being an authority and saying "no" to designs that compromise the external contract.
What You'll Do
- Own the design, standards, and governance of Supio's external API surface (endpoints, objects, semantics, error handling, pagination).
- Architect "capabilities as APIs"—define how internal product engines get exposed as consumable API products for partners.
- Define and enforce API standards: naming conventions, authentication patterns, rate limiting, versioning, and deprecation policies.
- Partner with Core Engineering to establish clean boundaries between internal services and external contracts.
- Own API security posture, including auth models, permissions, and abuse prevention.
- Review and approve all partner-facing API designs before they ship.
- Define migration and deprecation patterns that protect partner integrations while allowing platform evolution.
- Serve as the technical authority for partner escalations involving API contracts.
- Mentor and influence API Platform engineers on design best practices.
Qualifications
- 10+ years of software engineering experience, with significant time designing developer-facing APIs.
- Proven experience owning API platforms at scale—you've defined standards, not just followed them.
- Deep expertise in REST API design, including versioning strategies, error handling, and backward compatibility.
- Experience with API security: OAuth, API keys, rate limiting, abuse prevention.
- Strong communication skills; you can articulate design decisions to both engineers and business stakeholders.
- Experience working cross-functionally to define internal/external boundaries with platform or core teams.
Nice-to-Haves
- Experience building "API as product" offerings in B2B SaaS contexts.
- Background in developer experience: SDKs, documentation, sandbox environments.
- Familiarity with API gateway technologies and infrastructure.
- Experience with GraphQL or event-driven APIs (webhooks, streaming).
- Prior experience in legal technology, fintech, or other regulated industries.
Compensation
As an early-stage startup, we offer a competitive compensation package that includes base salary, meaningful equity, and benefits. Equity grants are designed to ensure employees share in the long-term success and upside of the company.
Base Salary: $225,000 - $250,000 annually
Actual compensation may vary outside of these ranges based on a number of factors, including a candidate’s qualifications, skills, competencies, experience, and geographic location.
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