ZTABS is a remote-first API development agency serving Seattle businesses — including rest & graphql apis, authentication & authorization, documentation & sdks. We work with Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning companies in Seattle, WA via timezone-aligned engineers and async workflows; we do not have a local office, and we are explicit about that with every client.
ZTABS provides API development services in Seattle, WA — including rest & GraphQL APIs, authentication & authorization, documentation & sdks, and more. We work with Seattle businesses across Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning using technologies like Node.js, GraphQL, TypeScript.Get a free consultation →
Senior API development engineers in Seattle run roughly $106–$156/hr. 8K–18K senior integration/RPA/Zapier engineers. 4–6 week senior hiring loop; Microsoft/Amazon counter-offer market. Operating timezone: PT (UTC−8).
2026 stack: OpenAPI 3.1 spec-first design, Stoplight or Postman for design + docs, NestJS or Hono or FastAPI for implementation, Kong/AWS API Gateway/Apigee for management, Zuplo for AI-friendly modern APIs. tRPC and gRPC for internal RPC. GraphQL via Apollo or Yoga. Senior API engineers design for backwards compatibility, version negotiation, idempotency, and deprecation policies. Junior engineers ship endpoints that work and discover API design problems on every breaking change. The 2026 rule: spec-first or pay later.
Where Seattle senior API development talent comes from: Seattle senior bench is AWS / Microsoft / Amazon-dominated. AWS service-team alumni are the deepest cloud-native talent pool globally. UW + WSU CS programs feed the pipeline. Big-tech counter-offer market resets compensation every hiring loop. For API development specifically, this means buyers can typically tap engineers who have shipped at one of these orgs before — relevant operational depth, not bootcamp graduates.
Our API development team delivers a full range of capabilities tailored to Seattle's Cloud Computing and E-commerce & Retail Tech sectors:
REST and GraphQL APIs designed for clarity, performance, and developer experience.
JWT, OAuth2, API keys, and role-based access control for secure access.
OpenAPI specs, interactive docs, and client SDKs so consumers can integrate quickly.
Rate limits, versioning, and deprecation strategies for stable, scalable APIs.
Connect with Stripe, Twilio, SendGrid, and custom systems via unified API layers.
Each phase ships with written progress notes plus a weekly review call scheduled in your business hours. See our full process →
When choosing a API development partner in Seattle, look for a team with production experience in your specific industry. Generic developers miss critical domain nuances that cost you time and money in rework.
Source: ZTABS Client Data 2024-2026
Seattle (home to tech giants and a thriving startup ecosystem, population 740,000) is home to thriving Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning sectors — each with distinct API development needs. Read our full Seattle market overview →
Each of Seattle's core sectors has specific API development requirements. We build solutions tailored to these industry needs:
Cloud Computing API development engagements involve sector-specific compliance, integrations, and workflows. See the cloud computing industry page for scope, pricing, and shipped examples.
E-commerce & Retail Tech API development engagements involve sector-specific compliance, integrations, and workflows. See the E-commerce & retail tech industry page for scope, pricing, and shipped examples.
API Development for E-commerce →AI & Machine Learning API development engagements involve sector-specific compliance, integrations, and workflows. See the AI & machine learning industry page for scope, pricing, and shipped examples.
Gaming API development engagements involve sector-specific compliance, integrations, and workflows. See the gaming industry page for scope, pricing, and shipped examples.
Our distributed engineering team delivers the same quality and responsiveness as a local partner — tuned to Seattle's Cloud Computing sector and Pacific Time (PT) business hours.
Seattle moves fast — so do we. Our API development sprints, standups, and code reviews are scheduled within Pacific Time (PT) business hours. Same-day feedback loops mean your team never waits for offshore handoffs.
Seattle's tech ecosystem is competitive — our dedicated project lead brings the same senior-level rigor your team expects. They manage your backlog, anticipate technical debt, and ensure every sprint delivers shippable features that move your metrics.
Every Seattle client gets daily async updates on API development milestones, weekly demos of working features, and shared project boards. We prioritize overcommunication so your team always knows the status, blockers, and what ships next.
We have delivered API development for Seattle's core industries — Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning — and understand the compliance, integration, and performance requirements each sector demands. We optimize for conversion with sub-2-second page loads and mobile-first checkout flows.
Verified reviews from real client engagements — sourced from our public testimonial archive and Clutch profile.
My experience is throughout positive. Communication, service, the short response times and the flawless execution of a challenging topic was absolutely great. ZTABS is definitely my first choice again.
Christian Neff
Bank Software Advisory · Bank Software Advisory
Fintech
Fantastic Agency! I couldn't fault them even if I tried. They always go above and beyond to meet your expectations and always produces quality work. Thank you ZTABS.
Stephanie Kal
CEO · Beauty Finder Australia
Marketplace
It has been great working with ZTABS. They bounce off the ideas along the way. Amazing Experience.
Joel Rowe
CEO · Drill Quoter
Marketplace
We don't just contract — we ship and operate our own software. 17 products in production.
Common questions about API development for Seattle businesses
We offer end-to-end API development for Seattle businesses: rest & GraphQL APIs, authentication & authorization, documentation & sdks, rate limiting & versioning. We use technologies like Node.js, GraphQL, TypeScript to build solutions tailored to Seattle's key industries — Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning.
ZTABS is a remote-first API development agency serving Houston businesses — including rest & graphql apis, authentication & authorization, documentation & sdks. We work with Energy & Oil/Gas, Healthcare & Biotech, Aerospace & Defense companies in Houston, TX via timezone-aligned engineers and async workflows; we do not have a local office, and we are explicit about that with every client.
API Development in New York, NYZTABS is a remote-first API development agency serving New York businesses — including rest & graphql apis, authentication & authorization, documentation & sdks. We work with Finance & Fintech, Media & Advertising, Fashion & Retail companies in New York, NY via timezone-aligned engineers and async workflows; we do not have a local office, and we are explicit about that with every client.
API Development in Los Angeles, CAZTABS is a remote-first API development agency serving Los Angeles businesses — including rest & graphql apis, authentication & authorization, documentation & sdks. We work with Entertainment & Media, E-commerce & DTC Brands, Gaming & AR/VR companies in Los Angeles, CA via timezone-aligned engineers and async workflows; we do not have a local office, and we are explicit about that with every client.
Web Development in Seattle, WAZTABS is a remote-first web development agency serving Seattle businesses — including full-stack development, progressive web apps, api development. We work with Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning companies in Seattle, WA via timezone-aligned engineers and async workflows; we do not have a local office, and we are explicit about that with every client.
Web Design in Seattle, WAZTABS is a remote-first web design agency serving Seattle businesses — including ui/ux design, responsive design, custom interfaces. We work with Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning companies in Seattle, WA via timezone-aligned engineers and async workflows; we do not have a local office, and we are explicit about that with every client.
AI Development in Seattle, WAZTABS is a remote-first AI development agency serving Seattle businesses — including llm integration & fine-tuning, ai agents & automation, rag & knowledge systems. We work with Cloud Computing, E-commerce & Retail Tech, AI & Machine Learning companies in Seattle, WA via timezone-aligned engineers and async workflows; we do not have a local office, and we are explicit about that with every client.
API DevelopmentLearn more about our API development services nationwide.
Node.jsNode.js empowers businesses to build scalable applications with unparalleled speed and efficiency. By leveraging its non-blocking architecture, organizations can deliver seamless user experiences and accelerate time-to-market, driving innovation and growth.
GraphQLGraphQL is a query language for APIs that enables clients to request exactly the data they need. Schema-first development, flexible data fetching, and strong typing reduce over-fetching and improve developer experience.
Partner with ZTABS for expert API development in Seattle. Get a free consultation today.
