WordPress & WooCommerce
Here WordPress is not a plain CMS - it's the foundation your custom software is built on. Sites and microservices on the engine, with bespoke, client-tailored solutions on top.
Software, engineered.
Most software is built by relay teams. You brief a salesperson, who briefs a manager, who briefs a developer you never meet. Context leaks at every handoff. UpCreation is the opposite: one senior partner who scopes, architects, designs, builds, and ships - with AI as a force multiplier, not a gimmick.
Everything your product needs.
Custom software, end to end - from the storefront to the server it runs on, with AI woven through.
Headless & Jamstack
Decoupled builds with a backend on a CMS like WordPress - or Strapi, which is purpose-built for it. The winning setup where speed, SEO, and scale decide the outcome.
AI Solutions
Whatever you can imagine - there's no ceiling now. From AI features to automating your team's daily work, built bespoke with your data's privacy and security at the core.
MCP Servers & Tools
Custom MCP servers that connect to your service or app and work hand-in-hand with AI - including Claude Desktop.
Integrations & APIs
API and REST integrations - ERPs like Microsoft Dynamics or Comarch, platforms like Base, payments and shipping - so your tools stay stable and keep growing together.
PHP Development
Plain PHP or a framework - bespoke modules, APIs, and business logic. Including taking over code that stopped serving the business, and turning it around.
Analytics & Tracking
GA4, GTM, and straight-talking consultation - numbers set up to actually guide decisions.
React Development
React and Next.js in the widest sense - complete front-ends, but also embeddable modules, plugins, and interactive features wired to any backend.
Performance & Infrastructure
DirectAdmin server management and the right infrastructure for your services - set up and advised on, end to end.
Engineering, accelerated by AI.
A spec-driven, agent-run build with a private track for sensitive data and automated tests gating every release - on Git Flow or GitHub Flow, depending on the project and your needs.
The setup
Spec-Driven DevelopmentEvery build starts from a written spec.
Claude Code · Agent TeamsPurpose-built agent teams do the groundwork.
Visual Studio CodeWhere the work comes together.
Two paths, your call
Speed & quality
Frontier models for fast, top-tier output.Private & secure
Self-hosted GLM & Kimi for sensitive data and content - nothing leaves your walls.Tested throughout
Tests grow with the codeWritten during development with Playwright, then run as gates before every deploy.
Ship
Continuous deliveryAutomated through GitHub - green tests in, shipped out, no manual steps.
Solution deliveredLive in your environment - measured, supported, and yours.
The difference is who builds it.
Ownership, experience, and judgment - the things that quietly decide whether a project ships well, and whether you sleep well while it does.
Ownership, taken personally
UpCreation stands behind everything it ships. What you're really paying for is peace of mind: safety, care, and the confidence that choosing us was the right call.
Experience first, AI second
Engineering here started long before AI was a thing. That's why AI is used with knowledge and conviction - through custom workflows and agents - to deliver better solutions faster, never blindly.
Built to adapt
Every project is different, so the stack, the process, and the communication adjust to you - not the other way around.
From concept to deployment.
One point of contact, the whole way through - six phases, no handoffs.
Selected work.
Stories from past builds - engineered hands-on and delivered through the partner studios credited on every card.
B2B commerce · Microsoft Dynamics
Grena LTD - B2B platform & ERP integration
A medical manufacturer's B2B ordering platform, taken over and modernized. Its Microsoft Dynamics connection over SOAP and OData used to be unstable - it was stabilized first, then extended as the client's needs grew. Client contact, requirements, analysis, and releases - handled end to end.
Delivered through EfficientWeb
Real estate · Interactive
Osiedle Natura Park
A residential estate site taken from an Adobe XD design to production as a custom WordPress build. Its heart is interactivity: hand-written JavaScript lets visitors click through buildings and floors to find their apartment. Coded entirely in the pre-AI era, on knowledge and experience alone - with graphics adapted for the site in Photoshop and Illustrator along the way.
Delivered through EfficientWeb
Headless commerce · Three sites
Modern Forms - a headless trio
Three services for one brand - a brand site, a project showcase, and a WooCommerce storefront - co-built with a wider team on one headless WordPress backend. GatsbyJS front-ends talk to it over GraphQL with Apollo Client, wired into payment and shipping providers and the services around them.
Delivered through EfficientWeb
E-commerce · Integrations · Base
Deva Harmony - multi-channel e-commerce
A modular e-commerce platform for a European distributor of Ayurvedic products, selling across several markets and channels - wholesale and dropshipping included. The work spans theme development and day-to-day care, custom database tables and SQL behind reviews and stats, and API integrations that wire the store into Base (formerly BaseLinker), an ERP, and Allegro.
Delivered through EfficientWeb
E-commerce · Integrations
BlessYou - custom WooCommerce engineering
Custom WooCommerce development centered on integrations: microservices and external services wired together over REST, custom plugins where the platform ended - and, on top of that, a bespoke system for product variants, attributes, and made-to-order personalization.
Delivered through dotGrow
E-commerce · Gaming
CoinLooting LTD - gaming e-commerce
Consulting and a full rebuild of a gaming brand's store selling in-game currency and level boosts. The product took shape on calls directly with the overseas client, then became a custom WordPress theme with dedicated plugins for picking products, quantities, and variants - topped with a formula-driven pricing engine that handles unusual offers without code changes and cut the launch of a new offer from days to hours.
Delivered through EfficientWeb
Mobile app · React Native
Autotesto - a mobile app in good hands
An ongoing engagement on a car-inspection brand's mobile app, taken under care after a team that kept missing the mark - production bugs, client complaints, chaos. The chaos is being tamed through planning and an agent-teams workflow in which nothing ships untested: unit, E2E, and regression suites with Maestro - bringing back the calm and safety of a solid SDLC.
Delivered through EfficientWeb
A studio built for the whole journey.
UpCreation is a software studio from Rzeszów, Poland - designing, engineering, and running custom web platforms, e-commerce, and AI products for companies across Poland and Europe.
From the first conversation to years after launch, UpCreation covers the full lifecycle: scope, architecture, design, development, infrastructure, and care. Modern AI-agentic tooling speeds up the road; senior engineering judgment decides where it leads.
Based inOffice in Rzeszów, Poland - collaborating also remotely and hybrid.
Experience6+ years of commercial software engineering.M.Sc. Eng. in Software Production Engineering.
AvailabilityOpen to new projects
The toolkit
PHPJavaScriptSCSSWordPressWooCommerceACF ProReactNext.jsReact NativeGatsbyJSHeadlessJamstackGraphQLApollo ClientREST APISOAPODataMicrosoft DynamicsAIClaudeGA4GTMGSCGitGitHubDirectAdminCloudflareFigmaPhotoshopIllustratorJiraLinearSlackBase
Let's build it right,the first time.
Rebuilds are expensive - honest conversations are free. Tell UpCreation what you're building and get a straight answer on the best way to ship it, so it's done right the first time.
Emailupcreation.office@gmail.comPhone+48 731 143 077LinkedInin/wojciechpolec
OfficeRzeszów, Poland
CooperationRzeszów · Remote · Hybrid