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Build complex software systems to last and scale

WideFix is founded by Andrei Kaleshka, an expert from Toptal - the top 3% network of global talent. He gathered around himself a team sharing the same passion for producing high-quality services in software development.

Our mission is to help businesses build robust, scalable, high-performing systems that drive growth and long-term success. You can rely on us for building performant, user-friendly, ready-to-scale web and mobile applications.

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    2 - 9
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2014
  • Languages
  • Timezones

4 Languages that we service

  • English
  • Russian
  • Polish
  • Spanish

5 Timezones that we service

UTC
Universal Coordinated Time (UTC)
CET
Central European Time (CET)
EET
Eastern European Time (EET)
EAT
Eastern African Time (EAT)
EST
Eastern Standard Time (EST)

1 Locations

  • Warszawa , Poland

No have been added yet...

    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    WideFix offers good value for cost, with project investments ranging from $400 for consultations to around $71,000 for ongoing engagements. Clients appreciate timely delivery and high-quality work, often highlighting adaptability and communication as key strengths.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 8 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    WideFix Review Insights

    Overall Review Rating

    4.9
    • Quality 5.0
    • Schedule 5.0
    • Cost 4.9
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Proficient in Complex System Integration

      WideFix excels in integrating complex systems such as payment platforms and automated nudging systems. Clients appreciate their technical expertise and ability to handle intricate backend and UI tasks independently, showcasing their adaptability and problem-solving skills.

    • Responsive and Communicative

      WideFix is praised for their responsiveness and effective communication. Clients note their ability to promptly address queries and adapt to project changes, ensuring alignment with client objectives.

    • Lack of Proactive Big-Picture Proposals

      While WideFix excels in technical execution, one client suggested that they could improve by proactively proposing big-picture solutions to product challenges, which could further enhance their strategic value.

    • Adaptable to Evolving Requirements

      Clients appreciate WideFix's flexibility in adapting to changing project scopes and requirements. They demonstrate a practical, execution-oriented approach that supports continuous project momentum.

    • Strong Project Management and Timely Delivery

      Clients consistently commend WideFix for their excellent project management skills and timely delivery of projects. They are known for meeting deadlines, being responsive to client needs, and maintaining clear communication throughout the project lifecycle.

    • High Technical Expertise in Ruby on Rails

      WideFix is recognized for their deep expertise in Ruby on Rails, with team members providing technical governance and quality improvements. Their proficiency in this technology is a significant asset to their clients' projects.

    WideFix Reviews

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    Services
    Project Cost
    Industry
    Location

    Cloud Billing System for Telecommunications Firm

    • Cloud Consulting & SI
    • $10,000,000 +
    • Feb. - Apr. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Everything was perfect."

    Aug 29, 2022
    Technical Product Manager, Telecommunications Firm
    Anonymous
    • Telecommunications
    • Minsk, Belarus
    • 51-200 Employees
    • Online Review

    WideFix completed a cloud billing system with Stripe integration. The team also provided the company with development support and maintenance.

    Showing 11-11 of 11 Reviews

    Our Story

    Our mission is to fuel business growth by creating simple yet powerful solutions that customers love to use. The apps we build deliver customer satisfaction instead of friction at every touchpoint. We deliver results by making user-friendly products for humans.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    9
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    February 2, 2026

    Business Entity

    Business Entity Name Andrei Kaleshka
    Source Central Statistical Office of Poland
    Jurisdiction of Formation Poland
    Date of Formation July 1, 2021
    Status Active
    Last Updated December 11, 2025
    ID REGON: 389315943 NIP: 9512521907

    Credit Report Results

    International Credit Risk Assessment Low Risk
    Source Creditsafe
    Last Updated December 18, 2025
    Learn More About The Clutch Verification Process

    Locations (1)

    Sarmacka 22a/16 WarszawaPoland 02-972

    2 - 5

    Contact WideFix

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