• Post a Project

Trusted Software Development Partner Since 2007

OSSystem provides professional web and mobile development which is complementary to IT challenges of any size or complexity. We have successfully served start-ups and large enterprises since 2007. Our team excel at creating modern and comprehensive solutions for businesses through a range of technologies.

Services:

  • Min project size
    $25,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    10 - 49
  • Year founded
    Founded 2007

Select Focus Area
Application Platforms
Linux server
40%
Amazon Application Development Framework
30%
Windows server
20%
Other app platform
10%
AWS Consulting Services
AWS DevOps
50%
AWS Applications
25%
AWS Development
25%
Azure Consulting Services
Azure Development
65%
Azure DevOps
25%
Azure Migrations
10%
Frameworks and CMS
Oracle Application Development Framework
10%
Programming & Scripting
PHP
30%
Java
10%
SQL
10%
Industries
Education
15%
Medical
15%
Advertising & marketing
10%
Business services
10%
Information technology
10%
Real estate
10%
Supply Chain, Logistics, and Transport
10%
Telecommunications
10%
eCommerce
10%
Clients
Small Business (<$10M)
60%
Midmarket ($10M - $1B)
30%
Enterprise (>$1B)
10%

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.7 /5

What Clients Have Said

OSSystem offers competitive pricing with project costs ranging from $5,000 to $250,000, catering to small startups and larger enterprises. Clients appreciate the value for cost, responsive communication, and timely delivery, making them a reliable partner across diverse projects.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 12 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Highly Rated Similar Providers

OSSystem Review Insights

Overall Review Rating

4.9
  • Quality 4.8
  • Schedule 4.8
  • Cost 4.7
  • Willing to Refer 4.8

Top Mentions

Review Highlights

  • Positive User Feedback on Delivered Products

    OSSystem's work often results in positive user feedback, particularly regarding ease of use, functionality, and design. Clients report successful product launches and satisfied end-users.

  • Effective Communication and Responsiveness

    OSSystem is noted for its excellent communication skills, responsiveness, and availability. Clients appreciate their ability to provide clear updates and maintain constant communication, even across different time zones.

  • Strong Leadership and Teamwork

    The leadership at OSSystem, particularly figures like Oleh, receives praise for effective communication and team management. Their ability to foster a collaborative environment is noted as a significant strength.

  • Proficiency in Custom Software Development

    OSSystem is praised for developing tailored software solutions and building custom apps across various domains, including drug discovery, real estate, and IoT. Their ability to understand and expand functionality consistently meets client expectations.

  • Strong Project Management Skills

    Clients commend OSSystem for their project management efficiency, timely deliveries, and proactive communication. Tools like Slack, Jira, and regular updates facilitate seamless collaboration and effective workflow management.

  • Room for Improvement in Testing Processes

    While overall experiences are positive, some clients suggest improvements in pre-release testing to ensure fewer bugs reach the client. This feedback indicates an area for potential enhancement in their development process.

OSSystem Reviews

Submit a Review
All Filters

0 selected

Sort by
Services
Project Cost
Industry
Location

Staff Augmentation for Real Estate Firm

  • IT Staff Augmentation
  • $50,000 to $199,999
  • Jan. 2020 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
4.0
Willing to Refer
5.0

“The candidates that I’ve hired through OSSystem have been perfectly aligned with our requirements.”

Mar 29, 2023
Director of Engineering, Silverstein Properties
Karel Lahmy
Verified
  • Real estate
  • New York City, New York
  • 201-500 Employees
  • Phone Interview
  • Verified

OSSystem has provided staff augmentation services for two different companies, the latest being a real estate firm. They’ve provided software and DevOps engineers knowledgeable in JavaScript and AWS.

Mobile App Development for Technology Startup

  • Mobile App Development
  • $10,000 to $49,999
  • Aug. 2022 - Ongoing
5.0
Quality
4.5
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

“I’m most impressed with OSSystem’s excellent communication.”

Dec 9, 2022
Co-Founder, Pickup Sports
Lakshmi Jayanthi
Verified
  • Other industries
  • Atlanta, Georgia
  • 1-10 Employees
  • Phone Interview
  • Verified

OSSystem was hired by a technology startup to build a networking mobile app for iOS and Android. The team designed the app's UI/UX and developed the app from scratch using React Native and Node.JS.

Custom App Dev & Maintenance for Legal Tech Startup

  • Custom Software Development
  • $200,000 to $999,999
  • Aug. 2019 - Feb. 2022
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"Their project manager was consistently involved to ensure instructions were delivered clearly and timelines were met."

Feb 17, 2022
CEO, Field QL Pty Ltd
Anonymous
Verified
  • Legal
  • Brisbane, Australia
  • 1-10 Employees
  • Online Review
  • Verified

OSSystem provided custom software development support for a legal tech startup. This involved maintaining and upgrading an existing application. Key technologies used were React, Node.js, AWS, and PostgreSQL.

Custom Software Development for Audio Grade Brand

  • 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’re an excellent team."

Dec 22, 2021
Director Of Operations, Digigram
Xavier Allanic
Verified
  • Other industries
  • France
  • 11-50 Employees
  • Phone Interview
  • Verified

An audio-grade band hired OSSystem to provide custom software development. They've created a cloud-based solution using Node-js and MongoDB, which they continue to update with new features.

Web App DevOps for AI-Based Startup

  • Custom Software Development Web Development
  • $50,000 to $199,999
  • May 2019 - Ongoing
5.0
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"The quality of communication and the quality of the work are the two big things for me."

Sep 18, 2020
Co-Founder & CEO, AI-Based Startup
Anonymous
Verified
  • Other industries
  • New York City, New York
  • 1-10 Employees
  • Phone Interview
  • Verified

OSSystem provides development resources that specialize in front- and backend technology. Most recently, they worked on a complex web application involving database calling and algorithmic capabilities. 

Web Application Development for Biotech Company

  • Web Development
  • $10,000 to $49,999
  • June 2019 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“This is the best experience I've had so far with software developers.”

Jan 29, 2020
Head of Integrated Data Sciences, Biotech Company
Anonymous
Verified
  • Other industries
  • Boston, Massachusetts
  • 11-50 Employees
  • Phone Interview
  • Verified

OSSystem manages the development of a web application for a drug discovery firm. They work primarily in React and JavaScript, with a backend in Python.

Mobile App Dev for Desktop App Developer

  • Mobile App Development
  • Less than $10,000
  • Feb. - May 2019
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"OSSystem’s team was serious, professional, and highly skilled."

May 10, 2019
CEO, Starsystem IT
Silvano Samaretz
Verified
  • Other industries
  • Italy
  • 11-50 Employees
  • Online Review
  • Verified

OSSystem helped develop a mobile application for iOS and Android devices to supplement a desktop application.

AWS Dev for IoT Software Company

  • IoT Development
  • Confidential
  • Feb. 2016 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

“The OSSystems team works proactively to solve problems quickly and thoroughly.”

Apr 12, 2018
Co-Fonder, IoT Software Firm
Anonymous
Verified
  • Manufacturing
  • Boston, Massachusetts
  • 11-50 Employees
  • Phone Interview
  • Verified

OSSystems supplemented an existing development team in creating an AWS software infrastructure that aggregates a data lake from various industrial IoT devices to provide predictive analytics and visualizations.

FrontEnd Dev for Analytics Platform

  • UX/UI Design
  • Confidential
  • Sep. 2015 - Ongoing
4.5
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"They had a really good understanding of what we wanted to achieve from a user experience point of view.”

Apr 11, 2018
Co-founder, Data Analytics Company
Anonymous
Verified
  • Other industries
  • Melbourne, Australia
  • 1-10 Employees
  • Phone Interview
  • Verified

OSSystem built the frontend of the data analytics software as a service (SaaS) platform by expanding the functionality and incorporating quality user interface (UI) design.

Testing & Telemetry Study for Software Company

  • Application Testing
  • A/B Testing Beta Testing
  • Confidential
  • November 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
4.0

"We were pleased with their work."

Feb 14, 2025
Head of Media, Software Company
Anonymous
Verified
  • Other industries
  • Cambridge, Massachusetts
  • 11-50 Employees
  • Online Review
  • Verified

OSSystem conducted a telemetry study for a software company. The team tested the client's platform and compared traditional software development with the client's autonomous development using AI agents.

Showing 1-10 of 16 Reviews

Contact OSSystem

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

Get connected to see updates from OSSystem like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.