Case Studies

We orbit around the stars.

What our clients say

  • Dependable Subcontractor

    All work was delivered on time and according to best coding practices. Reliable execution, clean handover, and no missed deadlines.

    Case study →
    Dariusz Tomoń
    CEO / Owner
    ecomplus.pl

  • Marketing Platform That Performs

    Cosmonauts.dev built a custom influencer marketing platform with campaign workflows, approvals, and real-time collaboration. It reduced our coordination time by 60% and significantly improved delivery.

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    Grzegorz Miller
    CEO / Owner
    millermedia.pl

  • SEO-Ready Code Delivery

    Cosmonauts.dev delivered a website with perfect technical scores: 99/100 Mobile, 100/100 Desktop. Their development meets the strictest SEO/SXO standards.

    Case study →
    Łukasz Rogala
    SEO/SXO Visioner & Strategist
    verticalseo.io

  • Precise Web Delivery

    Every feature we requested was implemented as expected. The team overdelivered on technical functionality and UI quality.

    Case study →
    Piotr Arent
    CEO & Owner Arent Capital Holding/
    Artimex S.A. / Agro Artim Sp. Z o.o. /
    YPOer
    artimex.pl , artimex.eu

  • Fast Impact on Performance

    Within days, cosmonauts.dev delivered a high-performance server setup that boosted our store’s speed and capacity. Clear, focused execution.

    Case study →
    Piotr Maroszek
    Head of eCommerce at Maro Home
    marohome.pl

  • Odoo Automation That Scales

    Cosmonauts.dev delivered a full Odoo implementation tailored to our business and market. Manual tasks were automated, freeing time for growth. Our brand and sales have scaled up.

    Case study →
    Jakub Drożdż
    Brand & Sales Manager at MOVO Training
    movo.training

  • Reliable Execution Partner

    Cosmonauts.dev delivered our web project on time and as specified. They proved to be a stable digital partner with zero delays.

    Case study →
    Mikołaj Zdunek
    CEO / Owner
    duneko.pl , ladiesgym.pl

  • Consistent Business Growth

    Thanks to the tools built by cosmonauts.dev, we expanded our interior design reach and attracted more customers. Their solution supported our digital growth exactly as planned.

    Case study →
    Aleksandra Wachowicz
    CEO / Owner
    aleksandrawachowicz.pl

  • WooCommerce at Scale

    Cosmonauts.dev handled our large WooCommerce setup with ease. They clearly understand how to build scalable, stable eCommerce infrastructure.

    Case study →
    Mateusz Salamon
    CEO / Owner
    sklep.msalamon.pl

  • 150% Conversion Growth

    Our new store boosted mobile conversions by 150% and cut bounce rate by 63%. The UX is intuitive, especially on mobile – customers flow naturally through the funnel.

    Case study →
    Oskar Chrzanowski
    CEO / Owner
    movo.training

  • [Case Study] Microsoft Dynamics AX Implementation – Mitsubishi & Vestas – Onsite Coordination in Denmark
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  • [Case Study] ERP G.O.L.D. Retail system implementation for DINO Polska – 1800+ stores, FMCG polish trade chain.
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  • [Case Study] Kakadu.pl/blog – Frontend Custom Development
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  • [Case Study] Poczta Polska – UX research for Polish Post on the newly created online mailing portal envelo.pl
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  • [Case Study] Merlin.pl – ERP Symphony EYC system implementation for one of leading polish e-commerce stores
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  • [Case Study] Empik.com – Generation Of Automatic Return Of Goods To Suppliers – ERP/WMS
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  • [Case Study] DUNEKO.pl – Website Implementation based on Figma project created by ROXX Agency. API Integration with Daktela CallCenter CRM.
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  • [Case Study] Denimou.com – Speed Optimisation
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  • [Case Study] sklep.msalamon.pl – E-Commerce Store Rework
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  • [Case Study] Aleksandrawachowicz.pl – Beautiful Website Creation With Interactive Lead Form Resulted In Business Growth
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  • [Case Study] Kawaprogramisty.pl – Full E-commerce Store Creation / Subscription Store
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  • [Case Study] movo.training – Rework of E-Commerce store resulted in sales growth
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  • [Case Study] Konsimo.pl – Business Intelligence Tools Integrated With Magento That Fueled The Sales Funnel And Marketing Optimisation
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  • [Case Study] Monpresi.com – Full E-Commerce Store Creation That Revolutionised Gifting Services With Super Easy To Use Gift Set Creator.
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  • [Case Study] LadiesGym.pl – Full Re-Work of corporate website / Increase conversion rate for lead forms / Get PageSpeed Score over 90+ for mobile and 99+ for desktop.
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  • [Case Study] Artimex.pl and Artimex.eu – 2 integrated websites Implementation based on Adobe XD project.
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  • [Case Study] AI powered Odoo CRM/ERP implementation for Interior Design Studio. Integration with ChatGPT.
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  • [Case Study] Marohome.pl – Setting up the server stack for the highest performance and speed of an online store with a large amount of traffic resulted in an immediate increase in sales. PageSpeed result D95/M91.
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  • [Case Study] Odoo CRM/ERP/WMS implementation for E-Commerce Store – MOVO.TRAINING
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  • [Case Study] Website Development for SEO/SXO Agency – Vertical SEO
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  • [Case Study] yerbador.com – Rework of International E-Commerce store
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  • [Case Study] Enterprise-Grade Influencer Marketing Web App: Custom WordPress & React Solution for Digital Agency Millermedia.pl
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  • [Case Study] Odoo CRM implementation for DUNEKO PiG
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  • [Case Study] On-Premise N8N Implementation and Process Automation with Migration from Zapier and Make in the LadiesGym Gym Network
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  • [Case Study] On-Premise AI Chat Implementation with Local LLM for Enhanced Data Analysis and Managerial Decision Support in the LadiesGym Network
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  • [Case Study] Custom CMS and React Frontend for Lenovo Gaming + AI Agent – Tailored Platform for a National Campaign
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  • [Case Study] High-Performance Infrastructure for Rosemi.pl – Dedicated Server with HA Setup & Speed Optimization for E-commerce at Scale
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  • [Case Study] High-Availability E-commerce Stack for Dunder.store – Dedicated Server Architecture & Performance Tuning at Scale
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