devviy.comdevviy.com
What gets built

Five things, done in-house.

Web apps, mobile, browser extensions, full-stack platforms and product design — design through deployment, all from one small studio.

For experience-oriented local businesses

One package, end-to-end. Built once, yours to keep.

Multilingual marketing site, online booking & tickets, self-hosted CMS that doubles as admin panel, and GDPR-conscious infrastructure — all built end-to-end and owned by you. No monthly SaaS fees, no platform lock-in.

See the packageSee the live Strandbad demo

  • Multilingual Marketing Site

    German default, English auto-detect. Hero, highlights, gallery, events, FAQ, opening hours, and contact — all editable from the CMS.

  • Booking & Ticketing Flow

    Multi-step booking with date picker, time slots, guest counts, add-ons, and confirmation with calendar .ics download and reference numbers.

  • Self-Hosted CMS & Admin Panel

    Payload CMS as the admin panel and lightweight CRM. Manage events, bookings, tickets, and site content — no code required, no monthly fees.

For businesses ready to automate

AI agents and automation, built for the way you work.

Custom AI agents, workflow automation, and integrations between your existing tools — built end-to-end and owned by you. The boring middleware and the smart layer, shipped together by one studio.

See AI automationsDiscuss your workflow

  • Workflow agents that take work off your team

    Multi-step agents that read your inbox, your CRM, your ticketing system — and act. Not chatbots: working colleagues that ship outcomes.

  • RAG pipelines on your own data

    Knowledge agents that answer questions from your docs, contracts, and product manuals — with citations. Self-hosted; your data never leaves.

  • Integrations and middleware that just work

    Quiet pipelines between the tools you already use — booking systems, CRMs, accounting, calendars. The plumbing nobody wants to build.

The process

Four phases, no surprises.

A predictable rhythm from kickoff to launch. Progress shows every week, not just at the end.

  1. Discovery

    The business, users and technical lay of the land get a deep look before any code. You leave this phase with a written brief and a defensible plan.

    DeliverablesProject BriefTechnical SpecArchitecture Plan

  2. Design

    Wireframes → high-fidelity design → clickable prototype. The experience and design system get validated before development picks them up.

    DeliverablesWireframesUI DesignsInteractive Prototype

  3. Development

    Weekly demos in agile sprints. Clean TypeScript, automated tests, code reviews. Deployed on every push — you can poke at it any time.

    DeliverablesWorking SoftwareTest SuiteCI/CD Pipeline

  4. Launch

    Production deploy with monitoring, error tracking and a clear rollback plan. Support stays on for the first weeks, with iteration driven by real usage.

    DeliverablesProduction DeployMonitoringOngoing Support
Selected work

Recent projects.

All live. Each one is a real production system you can poke at.

  1. Strandbad Mustersee screenshot
    2026 · Lake-resort digital package

    Strandbad Mustersee

    Demo digital package for a lake resort — multilingual marketing site (DE/EN), multi-step booking and ticketing, self-hosted Payload CMS as admin panel. Staff manage events, bookings, tickets and content without touching code. GDPR-conscious, Stripe-ready.

    Next.jsPayload CMSPostgreSQLStripe
    Visit website
  2. Forsol screenshot
    2026 · IT wholesaler marketing site

    Forsol

    Marketing site for an independent Polish wholesale distributor of OEM PC and server components, consumer electronics and printer parts — bilingual (EN/PL), custom Next.js build, request-a-quote and RMA & warranty flows. GDPR-compliant.

    Next.jsCustom DesignGDPRi18n
    Visit website
  3. PumpWork AI screenshot
    2025 · Chrome extension

    PumpWork AI

    Chrome extension for freelancers — AI-assisted tools that help surface, track and finish projects faster.

    Chrome ExtensionAIReactTypeScript
    Visit website
  4. DepositLock screenshot
    2025 · On-chain escrow platform

    DepositLock

    Crypto-backed escrow. Lock rental deposits safely on the blockchain — apartments, equipment, anything that needs secure fund custody.

    Web3EscrowTypeScript
    Visit website

Also built on request

  • Booking & ticketing systems
  • Self-hosted CMS
  • AI agents & automation
  • Payment & escrow flows
  • Chrome extensions
  • Multilingual marketing sites
Client feedback

What clients say once it's live.

Short, honest notes from the people whose products I've shipped — launch websites, browser tools and AI work alike.

  • forsol.pl
    “Fantastic! Thank you for the complete overhaul and all your support during the deployment. The new site is exactly what we needed. Great job!”

    Eliasz Samosvat

    Forsol Sp. z o.o.

  • PumpWork
    “Saves tons of time on proposals. AI writes them sharp and relevant to each job. Highly recommend for anyone on Upwork!”

    Maksym Kharyton

    Freelancer · Upwork

  • PumpWork
    “PumpWork is honestly on another level! Unlike other clunky plugins and services, the functionality here is incredibly well-thought-out. It's super intuitive, fast, and does exactly what you need without any bloat. A genuinely cool and useful tool!”

    Vladlen Voitenko

    PumpWork user

  • lavitu.com
    “Andriy took a rough idea and turned it into something that finally feels real. Clear updates the whole way, quick iterations, and a result that landed exactly where I hoped.”

    Yuliia Kovalenko

    Founder · Lavitu.com

Let's talk

Got a project in mind?

Book a 20-minute call