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High proficiency software developers

Fively is a team of 80+ full-stack software engineers who take inspiration from the hardest business challenges.

We are focused, but not limited, on trendsetting startups and worldwide outsourcing software development for SMEs. Our brightest engineers and designers provide customers with cutting-edge flawless solutions perfectly created to be agile and resilient.

Key clients: SNAP, Zentist, Uniqkey, BloXmove, AviMedical, SwordFish.

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2018

Overview by:

Reviewer avatar
Alexey Kalachik
CEO / Co-Founder About the Team

1 Locations

  • Warszawa , Poland

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    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    Fively offers good value for cost, with clients noting budget alignment and high-quality work. Specific project costs vary, with investments ranging from $25,000 to over $400,000. Clients appreciate their flexibility, communication, and the ability to adapt to project needs.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 18 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    Highly Rated Similar Providers

    Fively Review Insights

    Overall Review Rating

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

    Top Mentions

    Review Highlights

    • Commendable Problem-Solving and Initiative

      Fively's engineers are noted for their proactive approach, often suggesting improvements and solutions beyond the initial scope, which enhances the quality and functionality of the delivered products.

    • High Client Satisfaction and Trust

      Clients express high satisfaction with Fively's services, often recommending them to others due to their reliability, expertise, and the trust they build over project durations.

    • Smooth Integration with Client Teams

      The ability of Fively's team to integrate seamlessly with client teams is frequently highlighted, fostering an environment of collaboration and shared objectives.

    • Effective Project Management

      Clients commend Fively's project management practices, highlighting their excellent communication, timely delivery, and ability to adapt to changing requirements. Tools like Slack and Zoom facilitate smooth interactions.

    • Responsive and Transparent Communication

      Fively is recognized for maintaining clear and transparent communication with clients, ensuring all parties are aligned and informed throughout the project's lifecycle.

    • Areas for Improvement in Documentation

      Some clients noted the need for more structured documentation, which could enhance future project iterations and ease knowledge transfer.

    Fively Reviews

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    Industry
    Location

    Frontend & Database Consulting for Data Science Services

    • Other IT Consulting and SI
    • Confidential
    • Mar. - Aug. 2018
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "These are people who are really good at what they do."

    Oct 27, 2020
    CTO, Data Science Services Provider
    Anonymous
    • Other industries
    • San Francisco, California
    • 1-10 Employees
    • Online Review

    A natural language interface provider hired Fively to assist in building GUI and optimizing the database structure. The goal was to help customers communicate with the technology and configure it on their own.

    Custom Software Dev for Dental Insurance Platform

    • Custom Software Development
    • $10,000 to $49,999
    • Nov. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “Our team at Fively is very organized, disciplined, and sharp on timelines.”

    Apr 20, 2020
    CEO/Founder, Dental Insurance Platform
    Anonymous
    Verified
    • Other industries
    • San Francisco, California
    • 1-10 Employees
    • Phone Interview
    • Verified

    Fively provides outsourced development services for an insurance startup. They work on internal and external tools using Node.js, Python, and React Native. They also take part in sprint planning.

    Custom Software Dev for Events Company

    • Custom Software Development
    • $200,000 to $999,999
    • Apr. 2019 - Apr. 2020
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They were highly professional people while also being extremely friendly."

    Apr 14, 2020
    Co-Founder, Volt ApS
    Rune Nielsen
    Verified
    • Arts, entertainment & music
    • Copenhagen, Denmark
    • 11-50 Employees
    • Phone Interview
    • Verified

    Fively reconstructed a CRM for an event services company. After learning about the existing software, they made key changes and developed both the front- and backend. 

    Custom Software Dev for Webinar Company

    • Application Testing Custom Software Development
    • Confidential
    • Oct. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "It’s one of the best experiences I’ve had with a vendor.”

    Mar 23, 2020
    Co-Founder, WebinarNinja
    Anonymous
    Verified
    • Other industries
    • Sydney, Australia
    • 11-50 Employees
    • Phone Interview
    • Verified

    Fively provided backend development support for a webinar platform. Working primarily in PHP and JavaScript, they’ve built new features, optimized the platform, fixed bugs, and maintained the code.

    Frontend Dev for Insurance Software

    • Custom Software Development
    • $50,000 to $199,999
    • Jan. - Nov. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Whenever we need more resources or help, we got very good results from their management."

    Dec 6, 2019
    CTO, Insly
    Mart Espenberg
    Verified
    • Information technology
    • Tallinn, Estonia
    • 51-200 Employees
    • Online Review
    • Verified

    Fively designed and developed a React frontend for a new product. Their team worked in conjunction with backend developers and created specifications for the design. 

    UI/UX for Business Software Company

    • UX/UI Design
    • $10,000 to $49,999
    • July 2018 - Jan. 2019
    4.5
    Quality
    4.5
    Schedule
    4.0
    Cost
    4.5
    Willing to Refer
    5.0

    "The Fively developers were always positive and hard-working."

    Aug 21, 2019
    Founder, SKILLED
    Chris Lang
    Verified
    • Other industries
    • Phoenix, Arizona
    • 1-10 Employees
    • Online Review
    • Verified

    Fively sought to improve software UX/UI to boost a scheduling product's ease of use. Working in the client's own development process, the team endeavored to fix and streamline the frontend infrastructure.

    Mobile App & Web Dev for Cybersecurity Company

    • Mobile App Development
    • $50,000 to $199,999
    • Dec. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They have their heads in the game, and they care about the project rather than finishing it as quickly as possible."

    Aug 20, 2019
    CTO, Uniqkey
    Kasper Fogh
    Verified
    • Other industries
    • Copenhagen, Denmark
    • 11-50 Employees
    • Phone Interview
    • Verified

    Fively provides external developers for a cybersecurity company. They do iOS and Android app development, as well as web app development with React and Angular. The team also executes UX design. 

    Custom Software Dev for AI Development Company

    • Custom Software Development Web Development
    • Confidential
    • Jan. - Dec. 2023
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They're very professional, easy to work with, and good at communication."

    Oct 31, 2023
    VP R&D, Avo
    Idith Eden
    Verified
    • Business services
    • Tel Aviv, Israel
    • 1-10 Employees
    • Online Review
    • Verified

    Fively provides custom software development services for an AI development company. They've joined the R&D team and provided support with the entire development process.

    UX Integration for Financial Services Firm

    • Custom Software Development
    • $50,000 to $199,999
    • June 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their speed of getting us needed resources impressed us."

    Sep 10, 2020
    Senior System Architect, Financial Services Firm
    Anonymous
    Verified
    • Financial services
    • Tallinn, Estonia
    • 11-50 Employees
    • Online Review
    • Verified

    Fively integrated the company's UX vision into a working homepage. The client provided Figma files to kickstart the project.

    Web & Brand Design for Venture Catalyst Firm

    • Web Development
    • $200,000 to $999,999
    • Dec. 2018 - July 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Fively impresses with the excellent outcomes they achieve with service-minded attitude they maintain."

    Jul 10, 2019
    Founder, SpiritVen
    David J Roman
    Verified
    • Advertising & marketing
    • Phoenix, Arizona
    • 1-10 Employees
    • Online Review
    • Verified

    Fively supported strategic branding efforts, delivering an identity book. The team dedicated UX designers and developers to build a web app and site.

    Showing 21-30 of 30 Reviews

    Our Story

    Fively is a custom software development company helping startups, SMEs, and enterprises build web and cloud solutions. Founded in 2018, the team of 100+ engineers, designers, and QA specialists delivers end-to-end services: consulting, design, development, testing, and support. We focus on industries like FinTech, HealthTech, eCommerce, and real estate, using modern technologies to create tailored, scalable software solutions that drive business growth.

    Find more: https://5ly.co/about/

    Meet the Team

    Alexey Kalachik

    Alexey KalachikCEO / Co-Founder

    CEO and Co-Founder at Fively with 15+ years in custom software development. Experienced in leading web and mobile projects for top clients like Schiphol Airport and the NFL, ensuring quality delivery, risk management, and scalable development teams.

    What Sets Us Apart

    Free consultation & estimation

    We provide an initial consultation and project estimate at no cost.

    Accurate project estimates

    You get a precise estimation before the project starts, so there are no surprises.

    Completely transparent communication

    We have nothing to hide and keep you fully informed at every step.

    Locations (1)

    Senatorska 2 WarszawaPoland 00-075

    50 - 75

    Contact Fively

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    Alex Kalachyk

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