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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

Select Focus Area
Application Platforms
Amazon Application Development Framework
50%
Other app platform
50%
AI Consulting Focus
E-commerce Systems
Other ecommerce systems
40%
Frameworks and CMS
.NET
10%
Django
10%
Programming & Scripting
PHP
25%
Python
25%
User Experience Focus
Industries
Financial services
20%
Medical
20%
Real estate
20%
Business services
15%
eCommerce
15%
Education
10%
Clients
Small Business (<$10M)
80%
Midmarket ($10M - $1B)
20%

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 competitive pricing, emphasizing good value for cost across various projects. Clients report satisfaction with timely delivery and effective communication. Specific project costs are generally not disclosed, but the overall feedback indicates affordability and alignment with client budgets.

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

  • High Satisfaction with Communication

    Fively's communication is highlighted as a strong point, with clients appreciating their openness to virtual meetings and regular updates. This transparency is a key factor in client satisfaction.

  • Seamless Integration with Client Teams

    Fively's team members are praised for integrating seamlessly into client teams. This collaboration often results in a cohesive working environment where Fively operates as an extension of the client’s team.

  • Commitment to Project Success

    Clients frequently mention Fively's dedication to ensuring project success, often going beyond contractual obligations to deliver high-quality outcomes. This commitment is a significant factor in their positive reputation.

  • Occasional Communication Challenges

    While generally praised for communication, some clients noted occasional misunderstandings, often resolved quickly. These are seen as minor and not indicative of overall performance.

  • Adaptability to Client Needs

    Fively is praised for their ability to adapt services to meet specific client needs, providing customized solutions that align with business objectives and deliver tangible results.

  • Innovative and Modern Solutions

    Clients appreciate Fively's use of modern technologies and innovative approaches to solve business challenges, enhancing the overall functionality and competitiveness of their solutions.

Fively Reviews

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Services
Project Cost
Industry
Location

System Refactoring for Electronic Flight Bag Solutions Firm

  • Custom Software Development
  • Confidential
  • July 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The most impressive thing about them is how they handle complex refactoring without disrupting the overall system."

Feb 2, 2026
CTO, DextraData GmbH
Jorge Martins
Verified
  • Other industries
  • Essen, Germany
  • 51-200 Employees
  • Online Review
  • Verified

Fively has refactored the outdated parts of an electronic flight bag solutions firm. They've analyzed the existing codebase, rewritten critical functions as new microservices, and managed a MongoDB database.

Web App & Extension Design & Development for Nonprofit Org

  • Application Testing UX/UI Design Web Development
  • Confidential
  • Jan. - Feb. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"The speed and quality were outstanding."

Mar 10, 2025
Founder & CEO, The Population Project
Antoine Bello
Verified
  • Non-profit
  • Charlotte, North Carolina
  • 11-50 Employees
  • Online Review
  • Verified

Fively developed a Google Chrome extension and a complementary SaaS web app for a nonprofit organization. Using React, Plasmo, NestJS, and PostgreSQL, they built an extension and a platform to track web visits.

Web Portal Revamp & Support for Waste Diversion Company

  • Custom Software Development UX/UI Design Web Development
  • Confidential
  • Mar. 2024 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

"Their engineers demonstrate deep technical expertise and commitment to delivering a properly functioning web portal."

Dec 5, 2024
Business Process Manager, Happen Ventures
Farid Casir
Verified
  • Supply Chain, Logistics, and Transport
  • Puerto Rico
  • 11-50 Employees
  • Online Review
  • Verified

Fively initially supported a waste diversion firm in implementing minor improvements to its no-code-based web portal. They've since transformed the portal into a software stack and added new features.

Marketplace Platform Design & Dev for Firearms Company

  • E-Commerce Development Web Development
  • $50,000 to $199,999
  • June - Sep. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Everything they provided was top-notch."

Sep 23, 2024
CEO, Gunsnation.com
Nick Sawinyh
Verified
  • eCommerce
  • Lexington, Kentucky
  • 1-10 Employees
  • Online Review
  • Verified

Fively was hired by a firearms company to design and develop an e-commerce marketplace platform. The team built the site's backend and frontend using Strapi and Next.js.

AI, Custom Software Dev & Design for AI Analytics Company

  • AI Development Custom Software Development Other Design
  • Confidential
  • April 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We are very satisfied with the result of our cooperation so far."

May 6, 2024
CEO, AI Analytics Company
Moshe Borouchov
Verified
  • Information technology
  • New York City, New York
  • 1-10 Employees
  • Online Review
  • Verified

Fively developed and designed an AI behavioral prediction platform for an AI analytics company. This included integrating AI features, creating a web app and Chrome extensions, and using React.js and Python.

Staff Augmentation for Cryptocurrency Donation Platform

  • IT Staff Augmentation
  • Linux server
    +2
  • $50,000 to $199,999
  • Mar. - Apr. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I look forward to working with them again in the future!"

Apr 29, 2024
Chief of Product, Coinjoy
DM Suja (MBA, PMP)
Verified
  • Arts, entertainment & music
  • Orlando, Florida
  • 1-10 Employees
  • Online Review
  • Verified

Fively sourced engineers for a cryptocurrency donation platform, helping them develop their app, which included fixing bugs, optimizing performance, adding features, and leveraging PHP 8.1 and Laravel.

Web Development for Heavy Equipment Company

  • E-Commerce Development UX/UI Design Web Development
  • Amazon Application Development Framework
    +3
  • Confidential
  • Aug. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They make the most of resources, demonstrating their experience and commitment to delivering effective solutions."

Feb 14, 2024
VP Product Development, eqhq
Matt Kelly
Verified
  • Other industries
  • Bethesda, Maryland
  • 1-10 Employees
  • Online Review
  • Verified

A heavy equipment company has hired Fively to revamp their platform by enhancing its functionality. They've used AWS, Javascript, Node.js, and React to make several minor updates.

Custom Software Dev for Legal Tech Solutions Co

  • API Development Application Testing Custom Software Development
  • Partner API
    +3
  • Confidential
  • July 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"We collaborate with top-notch web developers who tackle challenges fearlessly."
Nov 9, 2023
CTO, Legal Tech Solutions Company
Anonymous
Verified
  • Other industries
  • London, England
  • 51-200 Employees
  • Online Review
  • Verified

Fively has developed a web-based solution for a legal tech solutions company. The team works on the product's functionality using Python, FastAPI, Django, PostgreSQL, Celery, Redis, RabbitMQ, RPC, and more.

Website Development for SEO Services Company

  • Web Development
  • Less than $10,000
  • Apr. - July 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their punctuality and dedication to delivering on time were truly impressive."

Jul 26, 2023
CEO, Primeseo
Yana Ihnatchyck
Verified
  • Advertising & marketing
  • Batumi, Georgia
  • 1-10 Employees
  • Online Review
  • Verified

Fively developed a website for an SEO services company. The team was responsible for front- and backend development, architecture, testing, QA, deployment, maintenance, and CMS integration with WordPress.

UX/UI Design & Custom Software Dev for IT Consultancy

  • Application Testing Custom Software Development Cybersecurity E-Commerce Development IT Managed Services IT Strategy Consulting Other Application Development Other IT Consulting and SI Web Development
  • Amazon Application Development Framework
    +5
  • Confidential
  • Sep. 2020 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They are experts in their field, and we rely heavily on their technical knowledge."

Apr 20, 2023
CEO, IT Consultancy
Anonymous
Verified
  • Other industries
  • Oslo, Norway
  • 1-10 Employees
  • Online Review
  • Verified

Fively provides design and development services for an IT consultancy. They've designed the platform's UX/UI, developed features, implemented security protocols, and automated integrations.

Showing 1-10 of 30 Reviews

Full-Cycle Custom Web App Development

We develop cutting-edge web applications - complex programs that are accessed by users from a browser - since 2018. At Fively, we provide full-cycle services, which means that you can contact us for help and our team of 100+ engineers, designers and QA specialists will create a high-quality and business-tailored web solution for you from scratch.

Small

Best for startups.

$25,000 /total
  • Transparency of the development process
  • Easy and professional communication
  • Safety and sustainability of products
  • Truly cutting⁠-⁠edge technologies
  • Individual approach
  • 5 month delivery

Large

Best for Enterprises.

$80,000 /total
  • Transparency of the development process
  • Easy and professional communication
  • Safety and sustainability of products
  • Truly cutting⁠-⁠edge technologies
  • Individual approach
  • 15 month delivery
Features

Small

$25,000

/total

Medium

$40,000

/total

Large

$80,000

/total

Transparency of the development process

Easy and professional communication

Safety and sustainability of products

Truly cutting⁠-⁠edge technologies

Individual approach

Experienced and committed team

Small

$25,000

/total

Transparency of the development process

Easy and professional communication

Safety and sustainability of products

Truly cutting⁠-⁠edge technologies

Individual approach

Experienced and committed team

Medium

$40,000

/total

Transparency of the development process

Easy and professional communication

Safety and sustainability of products

Truly cutting⁠-⁠edge technologies

Individual approach

Experienced and committed team

Large

$80,000

/total

Transparency of the development process

Easy and professional communication

Safety and sustainability of products

Truly cutting⁠-⁠edge technologies

Individual approach

Experienced and committed team

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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