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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

    • 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.

    • 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.

    • 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.

    • 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.

    • 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

    Custom Software Dev for AI & Machine Learning Platform

    • Custom Software Development Enterprise App Modernization Web Development
    • Confidential
    • Nov. 2025 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The company focused on getting functional work shipped rather than over-indexing on process theater."

    Jan 21, 2026
    Executive, Grafo AI LLC
    Anonymous
    Verified
    • Other industries
    • Houston, Texas
    • 1-10 Employees
    • Online Review
    • Verified

    WideFix provides software development services for an AI and machine learning platform. The team builds and maintains application logic, integrates APIs, fixes defects identified through QA, and more.

    E-Commerce Platform Migration for Group Gifting Platform

    • Application Testing E-Commerce Development Web Development
    • $10,000 to $49,999
    • Sep. 2025 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They provided an excellent service on all fronts."

    Nov 11, 2025
    CEO, HipChip
    Scot Rosenblum
    Verified
    • eCommerce
    • Boston, Massachusetts
    • 1-10 Employees
    • Online Review
    • Verified

    WideFix has been hired by a group gifting platform to migrate their project from Braintree to Stripe. The team has also implemented new features as needed and enhanced the app's UI/UX.

    E-Commerce Dev for Creators Platform

    • Custom Software Development Web Development
    • Confidential
    • Apr. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Step by step, tangible progress is made, and the product metrics reflect that."

    Aug 14, 2023
    Principal Product Manager, Creators Platform
    Anonymous
    Verified
    • eCommerce
    • Los Angeles, California
    • 201-500 Employees
    • Online Review
    • Verified

    WideFix has developed an e-commerce platform for a creator platform. The team has built the backend and integrated features of project matching, chatting, profile managing, invoicing, and admin tools.

    Web Development for Business Consulting Company

    • Web Development
    • $50,000 to $199,999
    • May 2022 - Ongoing
    4.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “Always give them challenging technical work and they’re very happy.”

    Nov 16, 2022
    Technical Delivery Lead, Palladium Digital
    Aditi Agarkar
    Verified
    • Other industries
    • London, England
    • 11-50 Employees
    • Phone Interview
    • Verified

    A consulting company hired WideFix for design and technical upgrades on a web development project. Key technologies on the project include Ruby on Rails, React, GraphQL, and PostgreSQL.

    Stripe Integration for Blockchain Payments Company

    • Web Development
    • Less than $10,000
    • July - Jan. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    “It was their speedy response that stood out.”

    Aug 3, 2020
    Founder & Project Manager, CertifyIt
    Tatiana Solodovnikova
    Verified
    • Other industries
    • Minsk, Belarus
    • 1-10 Employees
    • Phone Interview
    • Verified

    WideFix consulted on a Stripe payment integration for a tech startup. They resolved a peer-to-peer (P2P) payment issue and helped the team navigate Stripe’s support process.

    Feature Development for Real Estate Web Application

    • Web Development
    • $50,000 to $199,999
    • Apr. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "WideFix did really amazing work on the backend of our software to help enable our growth."

    May 6, 2020
    Founder & CEO, Costa del Home
    Damian Repovs
    Verified
    • Real estate
    • Spain
    • Phone Interview
    • Verified

    WideFix provided Ruby on Rails development augmentation for the online portal of a real estate company. They have expanded from there to support almost all software elements of the client's business.

    Platform Development for Food Delivery Startup

    • Custom Software Development
    • $50,000 to $199,999
    • Dec. 2014 - June 2016
    4.5
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "That gave us the confidence to build the project."

    Apr 22, 2020
    Co-founder, SCHILDR
    Anonymous
    Verified
    • Information technology
    • New York City, New York
    • 11-50 Employees
    • Phone Interview
    • Verified

    WideFix provided platform development on a multifacted product based on Ruby. Their team provided a team of developers and testers that could build the product and add functionalities. 

    Software Development for EdTech Firm

    • API Development Custom Software Development
    • $10,000 to $49,999
    • Dec. 2025 - Jan. 2026
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They showed great ownership of the outcome and were adaptable without creating hurdles or raising challenges."

    Feb 2, 2026
    CTO, NovoEd
    Farnaz Ronaghi
    Verified
    • Education
    • San Francisco, California
    • 51-200 Employees
    • Online Review
    • Verified

    WideFix enhanced an edtech company’s automated nudging system by adding new triggers based on live event registration and attendance. The team managed UI design, backend development, and QA testing.

    IT Consulting & SI for Tech Company

    • Other IT Consulting and SI
    • $50,000 to $199,999
    • Mar. 2016 - Jan. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "WideFix maintained clear, professional, and polite communication throughout the project."

    Jan 24, 2023
    Former CTO, Netsoft Holding
    Sergey Gaychuk
    • Other industries
    • Minsk, Belarus
    • 51-200 Employees
    • Online Review

    WideFix was hired by a tech company to help them resolve their technical issues. They analyzed the client's system and identified areas needing technical improvements in code.

    Showing 1-10 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

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    Scot Rosenblum

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