01
Web applications
Dashboards, customer portals and internal tools. Fast, accessible and easy to maintain.
- Next.js
- React
- Node.js
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{custom software development}
Custom softwarethat connectsyour entire business.
We build websites, custom CRMs, internal tools and AI integrations that plug into what you already use and automate the tasks eating up your team's time.
Currently booking new projects
- TypeScript
- Next.js
- React
- Node.js
- React Native
- PostgreSQL
- GraphQL
- OpenAPI
- Stripe
- AWS
- Vercel
- Docker
- Redis
- Supabase
{services}
From idea to production-ready system.
One team to design, build and connect all the software your business needs.
02
SaaS platforms
Multi-tenancy, subscriptions, roles and billing. From MVP to production without a rewrite.
- Stripe
- Auth
- PostgreSQL
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03
Mobile apps
Native iOS and Android apps from a single codebase, connected to your backend.
- React Native
- Expo
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04
AI automation
We extract data from invoices, PDFs and emails, classify requests and route them into your systems with no manual typing.
- OCR
- Extraction
- Classification
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05
AI agents
LLM-powered assistants and agents connected to your systems and documents: they answer customers, query your ERP or CRM and carry out tasks, with human oversight where it matters.
- LLMs
- RAG
- Tool calling
- Evals
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assistantonline
Hi, when will my order #4821 arrive?
- ✓erp.order_status
- ✓carrier.tracking
- ✓email.send
It left our warehouse yesterday and will arrive on Thursday before 2 pm. I've emailed you the tracking link.
↳ source: erp · order #4821
06
Integrations
We connect your CRM, ERP, e-commerce, payment gateways and internal tools so data flows on its own. Less manual work, zero duplicate records.
- Webhooks
- Queues
- Sync
- ETL
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sync.loglive
- ✓order.created→ erp42ms
- ✓invoice.paid→ crm31ms
- ✓customer.updated→ hubspot57ms
- ↻stock.changed→ shopifyretry 1/5
07
Custom APIs
Secure, documented and versioned REST and GraphQL APIs, ready for other teams to build on.
- REST
- GraphQL
- OpenAPI
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{artificial intelligence}
AI applied to your operations, not a demo.
We build language models into your processes and systems so they work with your real data: agents that serve customers and get things done, and automations that read documents and route them into your ERP or CRM. With testing, traceability and human oversight from day one.
- Agents connected to your CRM and ERP
- Answers grounded in your documents
- Extraction from invoices, PDFs and emails
- Human oversight where it matters
- No lock-in to a single AI provider
- Protected, GDPR-compliant data
agent.run #2381completed
Can I change the delivery address for order #4821?
- 0.3s
Understand the request
intent → change_address
- 0.4s
Check the shipping policy
docs.search → shipping.pdf
- 0.1s
Look up the order
erp.order → preparing
- 0.2s
Update the address
erp.update_address
- 0.1s
Confirm with the customer
email.send
confidence96%
sources
- shipping.pdf
- erp
{apis & integrations}
We get your systems talking to each other.
An order comes in through your website and, within milliseconds, it shows up in your ERP, gets logged in your CRM and is charged through your payment gateway. No copy-paste, no spreadsheets in between.
- OpenAPI documentation from day one
- Authentication, permissions and rate limits
- Webhooks with retries and idempotency
- Logging and monitoring in production
~/keycode — zsh
❯ {process}
A clear process, no surprises.
You always know what we're working on, why, and when you'll see it.
01
Discovery
We learn your business, your workflows and the real problem. Then we define scope, priorities and budget.
02
Design
Technical architecture, user flows and a clickable prototype before a single line of code.
03
Development
Short sprints with frequent demos. You see real progress, not status reports.
04
Launch
Testing, automated deployments and a smooth go-live.
05
Evolution
Support, improvements and new features as your business grows.
{why keycode}
Serious technology for real businesses.
const ownership = true
You own the code
Repository, infrastructure and documentation in your name. No lock-in, no black boxes.
const direct = true
Talk to the people who build it
No middlemen, nothing lost in translation. Direct communication with the engineering team.
const quality = true
Product-grade quality
Strict typing, tests and code reviews. Software you can still maintain five years from now.
const scale = true
Built to grow
Architectures that start simple and scale when your business needs it, not before.
{contact}
Have a project in mind?
Tell us what you need. We'll get back to you with focused questions, a proposed approach and an initial estimate.
- Keycode Systems ↗