01
Map the repeat work
We identify where time leaks: manual updates, disconnected tools, unclear handoffs, or pages that no longer convert.
Ops audit · user flow · scope
Est. 2024AI · software · Wix
Digital systems that remove repeat work
Xerx.dev helps founders and small teams turn messy operations into practical AI workflows, software products, and Wix websites that are built to run after launch.
Delivery system
AI workflow
Software
Wix Studio
Support
01Scope the bottleneck
02Connect the stack
03Ship the working system
10+ yrs
Senior engineering experience
2 tracks
Software plus Wix delivery
1 team
Scope, build, support
How we work
We take over the messy middle
The useful work is rarely just a website, an app, or an AI tool. It is the connection between the workflow, the interface, and the operational handover.
02
Connect the stack
We wire the useful parts together with APIs, automations, AI assistants, content systems, and clean operational defaults.
n8n · Make · OpenAI · Airtable
03
Ship the interface
We build the product, dashboard, landing page, or Wix Studio site that makes the new workflow visible and usable.
Next.js · Wix Studio · Supabase
04
Keep it running
We leave clients with documentation, support options, and a system that can be adjusted as the business changes.
Monitoring · handover · support
Services
What we build and ship
For startups & engineering teams
01
AI implementation
Custom AI workflows, assistants, automations, and LLM integrations for real business use cases.
02
Software engineering
Web apps, APIs, MVPs, dashboards, integrations, refactoring, and technical consulting.
For businesses & founders needing a web presence
03
Wix websites
Clean Wix and Wix Studio websites with strong structure, clear copy, SEO setup, and easy maintenance.
04
Design, copy, and support
Visual design, landing page copy, content updates, admin help, and customer support workflows.
Selected work
What we’ve shipped
Software Engineering
Brandfetch
2022–2025
Brand intelligence platform
Led engineering on the core brand API — logo detection, colour extraction, and metadata pipelines serving brands and developers worldwide. Scaled infrastructure on AWS, built developer tooling, and shipped integrations used across 50k+ companies.
Node.jsTypeScriptAWSAPIs
View project ↗Software Engineering
Bizcuit
2025–now
Financial data integrations
Building the technical backbone for financial reconciliation workflows — connecting Dutch SMEs with banks, accounting software, and government systems. Focused on reliability, audit compliance, and clean API design.
TypeScriptNode.jsFintechAPIs
View project ↗Wix Website
Dowlet Berdiyew
2024-now
Actor personal portfolio
Designed and built a structured Wix website for a personal brand — strong visual hierarchy, clear copy, mobile-first layout, and SEO fundamentals in place from day one.
WixWeb DesignSEOCopywriting
View project ↗Wix Website
Private Collector
2025-maintenance
Historical photography exhibition
Designed and built a structured Wix website for online exhibition dedicated to a war photography — strong visual hierarchy, clear copy, mobile-first layout, and SEO fundamentals in place from day one. Access password: auED8
WixWeb DesignCopywriting
View project ↗Pricing
Clear scope, honest cost
For businesses & founders
Wix & design
Clean websites that are easy to update, rank on Google, and reflect your business clearly.
- Landing page
- Wix website (up to 7 pages)
- Wix Studio site
- complex layouts, custom sections
- Monthly support & updates
For startups & engineering teams
Software & AI
MVPs, integrations, AI tools, and software products — built to a professional standard with clear scope.
- AI integration or workflow
- LLM, automation, assistant
- MVP / small product
- 4–6 week delivery
- Full product or platform
- scoped per project
- Monthly retainer
- ongoing engineering or consulting
All prices are starting points. Every project is scoped individually — you’ll get a clear proposal before any commitment. VAT may apply.
About
Built for useful digital work
Xerx.dev was created by Oleg Koval as a small, senior-led digital agency for AI, software engineering, Wix websites, and business support.
We work with founders, startups, and small businesses that need practical execution, clear communication, and reliable delivery. Our approach combines engineering discipline, clean design, useful AI, and client-centered service.
Why clients work with us
- 01Senior technical judgment
- 02Clean design and clear copy
- 03Fast, honest communication
- 04Practical solutions, not overengineering
- 05Client-first delivery with realistic timelines
Questions
Common questions
Contact
Start a project
Tell us what you need. We will reply within one business day with a clear scope and honest estimate.