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Implex

Implex

Review
★7.9/10
🇵🇱 Kraków, Poland·50 - 249 employees·Est. 2020·Reviewed Nov 2026

Senior engineering for high-load web platforms and legacy modernization

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Best For
Product companies that need to scale or modernize an existing platform
Hourly Rate
$50-99/hr
In line with the $75/hr median for software agencies in Poland
Min. Project
$10,000+
Industries
Arts & Culture, Fintech, Gaming
Implex

Clients

DeloittePerconaVodafoneWikiArtRaiffeisenMarks & SpencerMars

About Implex

Implex is a Kraków-based software engineering company that builds and modernizes web, mobile and cloud products for startups, scale-ups and established businesses. Its largely senior team, led by CEO and co-founder Slava Hraichenko, covers custom web development, .NET and mobile engineering, legacy re-engineering, IAM and project management consulting. Case studies include the high-load WikiArt visual art encyclopedia (a client since 2016), re-engineering a Xamarin app into .NET MAUI for PDR Mobile Solutions with 30% fewer crashes, a scalable front-end for a high-growth trading platform, and a Keycloak IAM platform serving 1,500 gaming tenants.

Who Implex Is Best For

Implex is best for startups, scale-ups and established companies that need a senior engineering team to scale high-load web platforms, re-engineer legacy mobile or .NET apps, or build new products with long-term support.

Why Choose Implex

Mostly senior engineering team
Legacy re-engineering and .NET MAUI experience
Long-running client relationships, such as WikiArt

Things to Consider

Higher rate than many Eastern European vendors
$10,000+ minimum project size
Less visible design and branding practice

Implex Services

Custom Software DevelopmentWeb DevelopmentMobile App Development.NET DevelopmentLegacy ModernizationIT Consulting

Selected Work

WikiArt high-load visual art encyclopedia

WikiArt

Ongoing evolution of the high-load WikiArt web encyclopedia, a client since 2016.

View case study

Xamarin to .NET MAUI re-engineering

PDR Mobile Solutions

Re-engineered a legacy Xamarin mobile app into .NET MAUI for PDR Mobile Solutions, cutting crashes by 30% and maintenance effort by 40%.

View case study

Scalable front-end for a high-growth trading platform

Volland

Front-end architecture built to scale for the Volland trading platform.

View case study

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