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We solve business and social problems with tech

At Jellyfish.tech, we bridge the gap between "it works as a demo" and "it's production-ready." In an era of instant AI prototypes, the real challenge isn't building fast—it's building right. We specialize in taking complex visions and turning them into stable, scalable, and secure digital products. Whether we are architecting an AI agent from scratch or rescuing a legacy system that has hit a technical ceiling, we focus on engineering integrity that supports business growth.

What we do best:

  • Min project size
    $10,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    10 - 49
  • Locations
    Kyiv, Ukraine
  • Year founded
    Founded 2016

2 Locations

  • Kyiv , Ukraine
  • Kraków , Poland

Select Focus Area
Application Platforms
Amazon Application Development Framework
50%
Heroku
10%
Other app platform
10%
Azure Platform
5%
Linux server
5%
AI Technologies & Models
Hugging Face Bloom
20%
Stable Diffusion
20%
Cohere
15%
Open AI GPT-3
15%
Adobe Firefly
10%
Open AI Dall-E 2
10%
Tabine
10%
Frameworks and CMS
Django
40%
Other frameworks and CMS
15%
Programming & Scripting
Python
40%
Typescript
15%
HTML5
10%
Industries
Advertising & marketing
35%
Non-profit
35%
Education
30%
Clients
Midmarket ($10M - $1B)
50%
Small Business (<$10M)
50%

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.9 /5

What Clients Have Said

Jellyfish.tech is noted for providing good value for cost, with pricing fitting client budgets. Specific project investments range from under $1,000 to over $100,000, indicating flexibility in pricing depending on project scope and client size.

This summary is based on verified Clutch reviews.

Most Common Project Size

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

Select a service to see pricing information

Highly Rated Similar Providers

Jellyfish.tech Review Insights

Overall Review Rating

4.8
  • Quality 4.9
  • Schedule 4.8
  • Cost 4.9
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Iterative Approach and Feedback Integration

    The company is lauded for their iterative development process, actively seeking and incorporating client feedback to refine solutions. This approach helps them adapt to evolving client needs and deliver products that resonate well with end-users.

  • Areas for Improvement in Testing

    While generally reliable, some clients noted room for improvement in Jellyfish.tech's testing processes, suggesting occasional missed bugs. Addressing this could enhance their overall service quality.

  • High Talent Concentration and Technical Leadership

    The company is praised for its talented team and strong technical leadership. They provide expert guidance and make thoughtful considerations during project development, contributing significantly to project success.

  • Strong Project Management Skills

    Clients consistently commend Jellyfish.tech for their organized project management, timely deliveries, and transparent communication. They effectively use tools like Slack, Trello, and Scrum boards to streamline processes and ensure client satisfaction.

  • Effective Communication and Client Partnership

    Jellyfish.tech is noted for being responsive and communicative, fostering a collaborative environment with clients. They integrate well with client teams, ensuring alignment and clear understanding of project goals, which enhances trust and partnership.

  • Commitment to Continuous Improvement

    Jellyfish.tech demonstrates a commitment to improving their skills and services. They actively implement client feedback for enhancement and strive to stay informed about industry trends, particularly in UI/UX and generative AI.

Jellyfish.tech Reviews

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Custom Software Dev & UX/UI Design for Marketing Company

  • Custom Software Development Enterprise App Modernization Product Design
  • Linux server
    +2
  • $10,000 to $49,999
  • June 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They've shown a deep understanding of our project requirements."

Mar 20, 2024
CEO, 1749
Niall Oulton
Verified
  • Advertising & marketing
  • United Kingdom
  • 1-10 Employees
  • Online Review
  • Verified

A marketing company has engaged Jellyfish.tech for UX/UI design and custom software development. The team has enhanced the client's model management system and implemented asynchronous model fitting. 

Custom Software Dev for Event Management Platform

  • Custom Software Development
  • Usability Testing
    +4
  • Less than $10,000
  • Aug. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Overall, we're extremely happy with Jellyfish.tech's work and look forward to continuing our successful collaboration."
Dec 8, 2023
CEO, GateMe
Andrei Stepin
Verified
  • Arts, entertainment & music
  • Tallinn, Estonia
  • 1-10 Employees
  • Online Review
  • Verified

Jellyfish.tech has overhauled a platform for an event management platform. This includes conducting a thorough analysis of the platform, creating a promo code system, fixing bugs, and performing testing and QA.

Custom Software Development for Non-Profit Community

  • Custom Software Development
  • $50,000 to $199,999
  • Mar. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They are highly committed and extremely ambitious in constantly improving their skills."

Mar 10, 2022
Technology Advisor, Non-Profit Community
Anonymous
Verified
  • Other industries
  • Washington, District of Columbia
  • 11-50 Employees
  • Online Review
  • Verified

A non-profit community tasked Jellyfish.tech with supporting a Django-based platform. The team assisted with wireframing, UI/UX design, and fixed bugs inherited from another vendor team.

Inspection Web App System Dev for Helicopter Product Company

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

"We are grateful to have found this wonderful group of people, and we continue to use them as we grow our business."

Apr 11, 2020
Co-Founder & CTO, Helicopter Product Company
Anonymous
Verified
  • Manufacturing
  • Europe
  • 1-10 Employees
  • Online Review
  • Verified

In an ongoing project, Jellyfish.tech built a system that includes a progressive web app (PWA), a cloud-based SQL server, and an angular dashboard.

OneViewPPM Portfolio Management Development

  • Custom Software Development
  • $1,000,000 to $9,999,999
  • Jan. 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The Jellyfish team was a great find, they have been brilliant in turning our concepts into reality."

Jan 17, 2018
Co-Founder, Level35
Greg Vandeligt
Verified
  • Information technology
  • Melbourne, Australia
  • 1-10 Employees
  • Online Review
  • Verified


Jellyfish is providing development resources to improve functionality. The team builds wireframes into code to improve management and scalability of the product.

Web App Development for PPC Firm

  • Web Development
  • $10,000 to $49,999
  • Nov. 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They’re responsive and really seem to know what they’re doing."

May 22, 2017
Founder, PPC Firm
Anonymous
Verified
  • Advertising & marketing
  • Los Angeles, California
  • 1-10 Employees
  • Phone Interview
  • Verified

Jellyfish currently develops a custom-built web application to add value to SEO/SEM services, providing expert feedback on wireframes and meeting detailed specifications. 

Web Application Development for Telecommunications Company

  • Web Development
  • Less than $10,000
  • Sep. 2016 - Apr. 2017
4.5
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"I appreciated the fact that they conveyed constructive criticisms and ideas on how to solve problems."

May 9, 2017
Senior Business Analyst, Telecom Equipment Company
Anonymous
Verified
  • Telecommunications
  • Stockholm, Sweden
  • 201-500 Employees
  • Phone Interview
  • Verified

Jellyfish developed a Django web application to optimize a product configuration system. The app essentially facilitates adding and configuring data for mobile networks.

Web and Mobile Development for IT Services Provider

  • Web Development
  • $50,000 to $199,999
  • Jan. 2013 - Jan. 2016
4.0
Quality
4.5
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

"Their communication is top-notch, they provide good services, and they have the proper skills."

May 8, 2017
Co-Founder, WebEffects Inc.
George Cretu
Verified
  • Other industries
  • Brasov, Romania
  • 11-50 Employees
  • Phone Interview
  • Verified

Jellyfish occasionally augmented an internal IT development team to handle overflow of projects. They were often client-facing and worked with PHP, Angular, server-related tasks for AWS, and created web apps.

Design & Dev Support for AI-Powered Comms Platform

  • AI Development
  • Chatbots & Conversational AI
    +2
  • Confidential
  • Mar. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They bring strong full stack development expertise and solid hands-on experience."

Mar 26, 2026
Founder, ChurchCopyAI
Brock Moreau
Verified
  • Non-profit
  • Lake Mary, Florida
  • 1-10 Employees
  • Online Review
  • Verified

Jellyfish.tech provides design and development support for an AI-powered communication platform. Their work includes UX/UI improvements, feature development, and performance enhancements to streamline the UX. 

Custom Software Dev for Nonprofit Organization

  • Custom Software Development
  • Amazon Application Development Framework
    +1
  • Confidential
  • Jan. 2021 - Ongoing
5.0
Quality
5.0
Schedule
4.0
Cost
4.5
Willing to Refer
5.0

"We're impressed with their staff and tech-client-focused mindset."

Feb 5, 2024
VP Tech, Data, & Innovative Solution, Vital Voices Global Partnerships
Tara King-Hughes
Verified
  • Other industries
  • Washington, District of Columbia
  • 51-200 Employees
  • Online Review
  • Verified

Jellyfish.tech collaborates with a nonprofit organization to design and develop a community experience and tools for women leaders. They also handle testing, maintenance, updates, and improvements.

Showing 1-10 of 13 Reviews

Locations (2)

Mendeleeva Street 12 KyivUkraine 02000

21 - 30

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