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Oprogramowanie B2B · Full-stack · AI

Websites, stores, AI and platforms designed to scale.

I design and ship systems end to end — from sites that load in under a second, through stores and automation, to platforms handling real traffic. Decisions on numbers, code owned by the client.

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SHEET 01 · TOPOLOGYWeb app
$ nightdev design --scope web
10+years in commercial IT
6areas — one architecture
24hto first response
100%of code & knowledge on your side
Services

From landing page to platform — one person accountable for the wholedowozimy całość

Six areas that connect into one coherent system. Each has its own page with a reference architecture and scope.

Websites & web apps

Fast company websites, landing pages and web applications in Astro, Next.js, React and Vue.

Details

Online stores

WooCommerce and headless commerce with payment, shipping and ERP integrations. A fast checkout.

Details

Performance optimisation

Audit and fix of Core Web Vitals, backend and database. Hard numbers before and after.

Details

AI integration

RAG over company documents, tool-using agents, model routing and LLM cost control.

Details

Large-scale applications

Platforms and SaaS in NestJS, Node, Python and Go. Queues, event-driven, Kubernetes, observability.

Details

Business automation

System integrations, document flows, reports and notifications. Processes running in the background.

Details
Performance

Speed is a product feature, not an extrafunkcja produktu

Every site and store I build has a performance budget and Core Web Vitals monitoring. Toggle to see a typical before/after optimisation.

Sample audit — illustrative values.
41Performance
78Accessibility
75Best practices
82SEO
LCPLargest Contentful Paint4.8 s
INPInteraction to Next Paint380 ms
CLSCumulative Layout Shift0.24

Resource loading

document
styles.css
font.woff2
hero.jpg → .avif
app.js
third-party.js
0s1s2s3s4s5s
Performance optimisation
Process

Four stages. No surprises.Zero niespodzianek.

You know what happens every week and what you pay for.

  1. week 1

    Diagnose

    Workshop, audit of code, infrastructure and metrics. We set the business goal, constraints and risks.

  2. week 1–2

    Architect

    Solution design, decisions as ADRs, estimate and iteration plan. Fixed price after this phase.

  3. 1-week iterations

    Deliver

    Weekly demo, a preview of every change, tests and CI/CD from day one.

  4. ongoing

    Scale

    Monitoring, cost optimisation, further development — or a clean handover to your team.

Difference

An architect vs. a typical contractortypowy wykonawca

Typical contractornightdev
Starts with code and a framework picked upfrontStarts with the goal, data and cost of ownership
A “fast site” nobody measuredPerformance budget and Core Web Vitals in CI
Knowledge stays in the contractor's headADRs, docs and infrastructure as code
Integrations bolted on at the endIntegrations and automation designed from day one
AI as a slide-deck demoAI with quality evaluation and cost control
Hourly billing without a planFixed price after discovery or a clear retainer
Stack

Tools chosen for the problem, not the hypenie do mody

Frontend

  • React
  • Next.js
  • Astro
  • Vue
  • TypeScript
  • Tailwind

Backend

  • Node.js
  • NestJS
  • Python
  • FastAPI
  • Go
  • PHP

Commerce & CMS

  • WooCommerce
  • WordPress
  • Stripe
  • n8n

Data & AI

  • PostgreSQL
  • Redis
  • Claude
  • Ollama
  • LangChain

Infra & Ops

  • Docker
  • Kubernetes
  • OpenShift
  • Grafana
  • Prometheus
  • GH Actions
  • Cloudflare
  • Vercel
FAQ

Frequently askedpytania

01Who do you work with?

Startups, software houses and companies that need a senior on a key project — from a new site or store to platform architecture and AI rollout.

02What is the engagement model?

B2B: fixed-scope projects (fixed price after a discovery phase) or ongoing time & materials / retainer. VAT invoice.

03Do you take over existing projects?

Yes. I start with a code and infrastructure audit, then present a plan: what to fix now, what to refactor in stages, what to leave alone.

04How long does it take?

Company site: 2–4 weeks. Online store: 4–10 weeks. Platform or AI rollout: depends on scope, always iterative with a working demo.

05Does AI make sense for my business?

We test it on a concrete process and your data. I build a quick proof of concept with quality and cost evaluation — the decision is made on numbers.

06Do you provide maintenance?

Yes — monitoring, updates, further development. I can also document the system and hand it over to your team.

Got a project that has to be fast and work at scale?

Describe it in 2 minutes. I'll reply within 24 hours with first insights and a proposed next step.

Go to the form kontakt@nightdev.pl