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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:

  • $25,000+
  • $25 - $49 / hr
  • 10 - 49
  • Founded 2007
Total Reviews
16
Average Referral Rating
4.8 /5
Most Common Project Size

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    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

    • Proactive and Adaptive Team

      OSSystem is praised for their proactive approach and ability to adapt to changing project scopes and requirements, ensuring client satisfaction and project success.

    • Value for Money

      Clients find OSSystem's services to be cost-effective, offering good value for the quality and range of services provided.

    • Collaborative and Solution-Oriented Approach

      OSSystem is noted for its cooperative nature and focus on providing solutions. They work closely with clients to ensure needs are met and expectations are exceeded.

    • Areas for Improvement in Testing

      While generally satisfied, some clients suggest OSSystem could improve their testing processes to ensure fewer bugs post-deployment.

    • Positive Client Relationships

      Clients report positive experiences working with OSSystem, highlighting their commitment to building strong, long-term partnerships and maintaining client satisfaction.

    • Flexible Team Composition

      OSSystem demonstrates flexibility in adjusting team sizes based on project needs, providing a mix of junior and senior developers as required.

    OSSystem Reviews

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    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.”

    Director of Engineering, Silverstein Properties
    Karel Lahmy
    • 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.”

    Co-Founder, Pickup Sports
    Lakshmi Jayanthi
    • Sports
    • 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."

    CEO, Field QL Pty Ltd
    Anonymous
    • 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."

    Director Of Operations, Digigram
    Xavier Allanic
    • Other Industry
    • 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."

    Co-Founder & CEO, AI-Based Startup
    Anonymous
    • IT Services
    • 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.”

    Head of Integrated Data Sciences, Biotech Company
    Anonymous
    • Healthcare
    • 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."

    CEO, Starsystem IT
    Silvano Samaretz
    • IT Services
    • 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.”

    Co-Fonder, IoT Software Firm
    Anonymous
    • 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.”

    Co-founder, Data Analytics Company
    Anonymous
    • Software
    • 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
    • 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."

    Head of Media, Software Company
    Anonymous
    • Software
    • 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.

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