JetRuby is an award-winning software development company combining 15+ years of engineering experience with cutting-edge AI tools. With 250+ Ruby on Rails projects delivered and 45M+ downloads of our Ruby Gems (used by Netflix, GitHub, and others), we now lead the next era of AI-integrated development.
We embed AI into every stage of delivery — automating tasks, detecting risks, and accelerating time-to-market by up to 40%. But real impact comes from our people: ISO 30414 & 10018 certified, our talent system ensures we hire and grow top-tier engineers. Our teams are 35% more effective in sustained collaboration.
Core Services
JetRuby.Flow – Our proven delivery framework blends structured phases (PDS Session, Discovery, Zero Sprint, Delivery, Support) with AI accelerators to build high-quality products in weeks.
AI PODs – Compact, high-performing squads (1–3 engineers + AiQA + AI agents) that solve complex challenges with precision and speed. Think software special forces.
Tech-Business Partner – Strategy meets execution. We audit and modernize your stack to make it AI-ready or AI-native — from code to architecture.
Last but not least — your peace of mind! JetRuby carries Professional Liability (Errors & Omissions) and Commercial General Liability policies to protect our clients and our work.
Our E&O policy activates when a bug, missed deadline, or strategic misstep costs a client money. Limit — $3,000,000
CGL answers third-party claims for bodily injury, property damage, or personal and advertising injury. Limit — $2,000,000
Min project size
$10,000+
Hourly rate
$25 - $49 / hr
Employees
50 - 249
Locations
San Francisco, CA
Year founded
Founded 2010
1 Locations
San Francisco , CA
No have been added yet...
Pricing Snapshot
Min. project size
$10,000+
Avg. hourly rate
$25 - $49
/hr
Rating for cost
4.8
/5
What Clients Have Said
JetRuby Agency is noted for providing good value for cost, with project investments ranging from $17,000 to over $250,000. Clients appreciate their expertise and responsiveness, though some find their pricing high relative to quality, suggesting a balance of value and cost.
Clients find JetRuby Agency's pricing competitive, offering good value for cost. Their services are often compared favorably against other vendors, particularly in terms of cost-effectiveness.
Room for Improvement in Design Services
While development services are highly rated, some clients suggest that JetRuby Agency could enhance their design and branding capabilities, indicating room for improvement in this area.
Responsive and Communicative Team
JetRuby Agency is noted for its responsiveness and effective communication. Clients value their promptness in addressing queries and their ability to maintain a transparent workflow via tools like Slack and Jira.
High-Quality Deliverables
Clients report receiving high-quality deliverables that meet or exceed expectations. JetRuby Agency's work is often described as clean, efficient, and aligned with client requirements, contributing to business success.
Flexible and Adaptable Approach
JetRuby Agency is recognized for its flexibility in accommodating client requirements and adapting to different project management styles. Their ability to pivot and adjust to client needs is valued highly.
Proficiency in Ruby on Rails
JetRuby Agency is consistently praised for its expertise in Ruby on Rails, delivering high-quality code and effectively handling backend development for various projects, from web applications to mobile apps.
"We were impressed with the quality of their technical talent."
Apr 2, 2023
Executive, cirkuit
Anonymous
Verified
Real estate
Calgary, Alberta
1-10 Employees
Online Review
Verified
JetRuby Agency provided custom software development services for an IoT company. The team helped the client build a detailed web dashboard with various types of widgets for displaying IoT sensor data.
The analytics dashboard was completed on time and met the client's specifications. The vendor addressed all concerns in a timely manner, and their technical expertise made them stand out from the competition.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am an executive at cirkuit
Describe what your company does in a single sentence.
Commercial & Industrial IoT
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire JetRuby Agency to accomplish?
Build an advanced analytics dashboard
SOLUTION
How did you find JetRuby Agency?
Other
Why did you select JetRuby Agency over others?
Other
What was the size of JetRuby Agency’s team?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
JetRuby built for us a detailed web dashboard with a dozen different types of widgets for displaying IoT sensor data. The dashboard has multiple filters for ways to visualize the data. It's responsive and very fast.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Completion of the analytics dashboard
Describe their project management. Did they deliver items on time? How did they respond to your needs?
The project was delivered on time, and all concerns were dealt with.
What was your primary form of communication with JetRuby Agency?
Virtual Meeting
Email
Messaging App
What did you find most impressive or unique about this company?
We were impressed with the quality of their technical talent.
Are there any areas for improvement or something JetRuby Agency could have done differently?
Not at this time
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
4.5
Value / within estimates
Willing to Refer
5.0
NPS
Mobile App Development for Fitness Subscription Company
Mobile App Development
$50,000 to $199,999
Oct. 2021 - Mar. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"The team was highly responsive, professional, and prompt in communicating updates and issues."
Apr 27, 2022
CEO, Fitness Subscription Company
Anonymous
Verified
Other industries
Manhattan, New York
1-10 Employees
Online Review
Verified
JetRuby Agency assigned a development team to augment a fitness subscription company. The team worked in React Native and Ruby and Rails to build new features and update an existing code.
The work delivered by JetRuby Agency met all expectations. They were communicative throughout the project and offered excellent suggestions for improvement. Their expertise in this field stood out the most, which helped speed up the processes and develop complex code.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am the CEO of a fitness subscription business.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire JetRuby Agency, and what were your goals?
Our CTO was transitioning so we hired them to create new features, document our code, and enhance/update our existing code.
SOLUTION
How did you select this vendor and what were the deciding factors?
Their level of expertise, responsiveness, availability and responsiveness.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
Ruby on Rails development with React Native mobile development.
How many people from the vendor's team worked with you, and what were their positions?
There were 5 people on the team - a full-stack developer, project manager, mobile developer, QA manager, and business development / account manager.
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
We have very complex code and they got up to speed very quickly, had a high level of expertise and identified areas for improvement. We were very happy with the results provided and most importantly, they were a pleasure to work with.
Describe their project management style, including communication tools and timeliness.
The team was highly responsive, professional, and prompt in communicating updates and issues.
What did you find most impressive or unique about this company?
How clearly they communicated, how quickly they got up to speed and their ability to meet tight deadlines.
Are there any areas for improvement or something they could have done differently?
No areas of improvement
RATINGS
5.0
Quality
5.0
Service & Deliverables
"Highly recommend!"
Schedule
5.0
On time / deadlines
"Very efficient and responsive"
Cost
5.0
Value / within estimates
"Great value for the excellent service"
Willing to Refer
5.0
NPS
MVP for Financial Info. Exchange
Custom Software Development
$10,000 to $49,999
Mar. - Oct. 2019
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"In addition to having the necessary expertise, the development team was open and sociable."
Oct 18, 2019
CEO, Business Services Firm
Anonymous
Verified
Business services
Russia
1-10 Employees
Online Review
Verified
JetRuby Agency used Ruby on Rails to create an MVP for a bankruptcy report marketplace. Additional services included UI/UX design, support and maintenance, and distribution.
Internal stakeholders are pleased with the effectiveness of the product. Proactive and dedicated, the project manager from JetRuby Agency offered detailed plans to maintain adherence to budgetary constraints. Customers can expect a professional team that solves problems quickly.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Lototchet was established as a marketplace of reports and information support for bankruptcy property reports. Position - Head of the company
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire JetRuby Agency?
The company was hired for custom software development services of the lototchet.ru application
What were your goals for this project?
Development of MVP for market entry
SOLUTION
How did you select this vendor?
Via networking
Describe the project and the services they provided in detail.
This is a marketplace platform for exchanging information on bankruptcy between market participants. The services provided were backend Ruby on Rails development, frontend development, UI / UX design and administration / distribution of the application.
What was the team composition?
Team members: project manager, backend developer, frontend developer, quality engineer and administrator.
RESULTS & FEEDBACK
Can you share any information that demonstrates the impact that this project has had on your business?
The project is a key element of the business and serves as a starting point for contacts with customers.
How was project management arranged and how effective was it?
The project manager was a key point of communication on a number of points: solving operational problems, planning iterations, accepting releases, and solving situations related to exceeding the budget
What did you find most impressive about this company?
In addition to having the necessary expertise, the development team was open and sociable.
Are there any areas for improvement?
No, everything suits
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 31-33 of
33 Reviews
Locations (1)
535 Mission stSan Francisco, CA,
United States94105
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