Arcode · App Development Agency · Seattle

App Development Agency in Seattle

Arcode works as a focused app development agency for teams in Seattle. If you are searching for an app development agency in Seattle, you probably want a studio that designs, builds, and launches rather than one that only presents slides.

  • Web and mobile apps
  • Shared design systems
  • API and cloud setup

Web and mobile apps from one studio

Plenty of agencies are built around long retainers. What you actually want is a live site, an app in the stores, and users adopting it.

We bring product thinking and engineering together, so structure, UI, APIs, and the launch checklist live in one plan.

If that sounds like your situation, Arcode is set up for brands hiring an app development agency. Cross-platform app development with React Native, Next.js, and production backends.

What you get

  • Web and mobile apps
  • Shared design systems
  • API and cloud setup
  • Store and web launch
  • One studio accountable for the result
  • Design and engineering on the same schedule
  • Support available after launch

How engagement works

As your app development agency, we run a shared backlog, design reviews, and engineering sprints, and you keep one point of contact throughout.

  1. 01

    Discover

    Goals, constraints, data sources, and success metrics, all settled before we touch architecture or prompts. Nothing here waits on a handover between separate teams.

  2. 02

    Design

    System design, AI/tool boundaries, interface direction, and interaction prototypes. On app development projects we favour practical architecture over trendy defaults.

  3. 03

    Build

    Modern stack, clean architecture, evaluated AI behavior, and iterative demos you can react to. The work for teams in Seattle stays tied to the outcome you asked for.

  4. 04

    Launch

    Ship, monitor, harden, and keep improving models, tools, and product after go-live. You see progress on the critical path every week.

How we build it, and why

The stack is chosen per project, not applied from a template. For app development agency work these are the defaults, and the reason each one is on the list.

React Native
one codebase for iOS and Android, which halves the surface area you maintain after launch
Next.js
server rendering and static generation in one framework, so marketing pages stay fast and app routes stay dynamic
NestJS
structure and dependency injection on the backend, which keeps a growing API from turning into a pile of route handlers
Firebase
auth, push, and realtime sync without standing up your own infrastructure first
AWS
the services you grow into, once a managed platform stops being enough

What the first weeks look like

  1. Week 1

    Scope and architecture

    Users, data, integrations, and constraints, ending in a written plan for the app development that you approve before anyone opens an editor.

  2. Weeks 2-3

    Design the critical path

    The screens that carry the product, prototyped and clickable. Design and engineering review together, so nothing gets drawn that cannot ship.

  3. Weeks 4-8

    Build in weekly slices

    Every week ends with something on a real URL. web and mobile apps lands early, because the rest of the plan depends on it working.

  4. Launch

    Ship, measure, hand over

    Release, monitoring, analytics, and a documented handover, so your team can carry it without calling us.

Weighing up your options

There are three realistic ways to get this built. Each is the right answer for someone.

A solo freelancer

Cheapest per hour and fine for a contained task. The risk on app development is breadth — one person covering design, backend, infrastructure, and launch usually means one of them is weak, and there is no cover when they are unavailable.

A local agency in Seattle

Same timezone and a face to meet, which genuinely matters for some teams. You are also paying Seattle teams valuing cloud-native systems and AI engineers. rates for the whole team including the layers that never touch your app development, and a local shortlist is a small shortlist.

Arcode

A small senior team. The people who scope the app development write the code, you get weekly demos instead of status decks, and the engagement ends when the thing is live and handed over.

Work we have shipped

Brain Blog

Frontend · Gatsby · Strapi

Custom Gatsby blog with Strapi CMS, built for fast content publishing and a clean reading experience.

Freelance content product pairing Gatsby performance with Tailwind styling and a Strapi-powered editorial workflow.

  • · Gatsby static generation
  • · Strapi blog integration
  • · Tailwind-driven layout
  • · Fast content browsing

Gatsby · Tailwind · Strapi

Dumbiez

Frontend · NFT product

NFT comics platform for exploring and interacting with digital comic collectibles.

Independent Next.js product for browsing and engaging with NFT comics, styled with Tailwind and shipped on Vercel.

  • · NFT comics browsing
  • · Interactive collectible UX
  • · Responsive Next.js UI
  • · Vercel deployment

Next.js · React · Tailwind · Vercel

StudioX Localization

Frontend · i18n

UI polish and language translation pages for the StudioX product experience.

Contract contribution implementing UI fixes and localization pages with Next.js, React, and Tailwind to improve accessibility and multi-language use.

  • · Language translation pages
  • · UI accessibility fixes
  • · Next.js page delivery
  • · Clearer multi-language UX

Next.js · React · Tailwind

Working with teams in Seattle

Seattle teams valuing cloud-native systems and AI engineers. We work with clients in Seattle remotely and keep overlapping hours in PST/PDT. We usually collaborate in English.

How we work with Seattle teams

Seattle is twelve to thirteen hours behind us, so the overlap sits at the ends of the day: your morning, our evening. We keep one fixed call and run the rest asynchronously.

What Seattle clients usually need

Seattle work is cloud-native by default and often technically demanding — data platforms, AI infrastructure, and engineering teams who want a partner able to read their existing codebase rather than start from scratch.

Contracts, data, and compliance

Expect architecture to be reviewed properly before the build starts. We invoice in USD under US contractor agreements with IP assignment, and default to AWS or Azure where your team already has the operational muscle.

Related work

A few projects that line up with app development.

  • Circlin Waitlist

    Product

    Circlin Waitlist

    Multilingual waitlist and referral product for a secondhand fashion brand, covering localization, analytics, and growth loops.

  • VIP Hires

    Product

    VIP Hires

    Recruitment platform with Stripe payments, workflow management, and polished motion-driven UI.

  • Prism Goals

    Product

    Prism Goals

    Accountability platform with dashboards, weekly check-ins, admin tooling, and progress analytics.

Next step

You can skip the usual agency pitch. Tell Arcode what you need and leave the call with a clearer build path.