Custom web app development.
Custom web application development for fast, AI-ready platforms that scale with traffic, data and your team. Copilots, smart search and clean APIs are part of the architecture, not a bolt-on.
Web platforms that stay fast
Most rebuilds end up slower than what they replaced because nobody set a performance budget on day one. We do. Every commit is measured, so the app stays fast as features and AI calls pile on.
What our web app team delivers
Web applications designed for AI from the first commit: streaming UIs, clean data models and APIs your models can call. You add AI features later without a rewrite.
- ✓Web apps with auth, billing and dashboards
- ✓AI copilots and chat interfaces in your app
- ✓Semantic search and recommendations
- ✓Marketing & content sites in Next.js
- ✓Headless CMS integrations (Sanity, Contentful)
- ✓Type-safe end-to-end with tRPC or GraphQL
- ✓Performance budgets & Core Web Vitals
- ✓SEO & structured data
- ✓Internationalization & localization
- ✓Observability + error tracking
From design to deployment
Engineers join the design discussion from day one. Handover happens in Figma comments, not a 200-page spec.
Discovery
Audit existing systems, interview stakeholders, and write down the hypothesis we are building against.
Architect
Stack, data model, integration map, and where AI fits. Boring tech where we can, novelty where it pays.
Build
Two-week iterations and Friday demos. Performance budgets enforced in CI from the first commit.
Operate
Observability, on-call and post-launch optimization. We stay after launch day.
Three ways to start your web app
Scope, integrations and the number of user roles drive cost. Every option starts with discovery and a written hypothesis.
Marketing site
A high-performance marketing site with a headless CMS. Design, build and launch.
- Bespoke design
- Headless CMS
- SEO foundation
- Analytics
- 1-month support
Web application
A custom web application with auth, billing, dashboards, your business logic and room for AI features.
- Auth + billing
- Custom dashboards
- API + database
- CI/CD + staging
- Performance budgets
Embedded team
A web engineering pod working alongside yours, shipping continuously against a rolling roadmap.
- 2–4 engineers
- Tech-lead overlay
- Friday demos
- Shared on-call
- Quarterly OKRs
Custom web app development, answered
What does custom web app development cost?
It depends on the number of user roles and core flows, the integrations (payments, CRM, data sources), the AI features you want, and your compliance needs. Discovery turns that into a written plan before the build starts.
How long does it take to build a web application?
We ship in two-week iterations with a demo every Friday, so you see working software from the first sprint. The total timeline follows scope: a marketing site is far smaller than a multi-role web app with billing and AI features.
Can you add AI features to our existing web app?
Yes. We audit the current system, then add copilots, semantic search or recommendations behind clean APIs, usually without a rewrite. If the architecture blocks it, we say so and plan the smallest change that fixes it.
Which web stack do you build on?
React and Next.js on the front end, Node.js or Python (FastAPI) behind it, PostgreSQL and Redis for data, deployed to Vercel or AWS. Type-safe contracts with tRPC or GraphQL keep front end and back end in step.
Not sure which engagement fits? Tell us what you’re building and we’ll reply within one business day with a recommended starting point.
Often paired with web app builds
Most engagements blend two or three disciplines. These are the most common pairings.
AI integration
LLM apps, AI agents and RAG systems built into your product, with evals, guardrails and cost controls from day one.
UI/UX for AI
Interfaces that make AI output clear, correctable and trusted, designed with engineers in the room.
Cloud & MLOps
AWS, GCP and Azure infrastructure for AI workloads: GPU inference, LLMOps pipelines and cost you can predict.
Web platforms are the base for our SaaS and B2B AI solutions and AI MVPs for early-stage startups. See results in our AI case studies, or read how we enforce latency and cost budgets in CI.
Ready to build your web app?
We respond within one business day, with a real human and a real opinion.