Details
| Founded: | 1997 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.7
8 Reviews
|
Industries Served
About
Open Systems Technologies have the experience to help businesses do what they do best, even better. And it’s true that they are creative collaborators who value innovative thinking and open communication in any project we undertake. They construct technology solutions to fit your company's unique business needs, using an array of talent and experience to create any web and mobile app.
Open Systems Technologies, Inc. Reviews
Multiplayer infrastructure held through a launch-day spike we hadn't fully planned for
Marcus Teo / CTO | May 28, 2026The easiest thing to praise is the technical output itself — solid test coverage, a deployment pipeline that just works, documentation that people actually reference instead of ignoring. But what I keep coming back to is the number of conversations we haven't had to have since launch. No 2am incident calls. No emergency patches. No post-mortems about what went sideways. That absence is really the whole pitch, if you ask me.
Project summary
Our product thinking internally was solid, but our execution depth in this particular technical domain wasn't. We needed real specialists, not another generalist team.
| 4.5 Overall Rating |
| 4.5 Quality |
| 4.5 Schedule |
| 5.0 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Game Development |
|---|---|
| Project Cost: | $150,000 to $499,999 |
| Project Duration: | Sep 2025 - Mar 2026 |
| Business Type: | Sports & Fitness |
|---|---|
| Location: | Singapore |
Questions & Answers
Got the outcome we asked for, delivered the way we needed it, by people we'd hire again
Hamish Bellamy / GM of Technology | May 24, 2026Looking back, the thing that stands out most is how uneventful the whole project was. Technology projects of this size tend to generate their share of fire drills and awkward escalation calls. This one really didn't. Issues got flagged early enough that they never became incidents, scope changes went through an actual process instead of a tense phone call, and risks were tracked rather than just hoped away. That kind of quiet competence is unusual in my experience, and it made the whole thing feel easier on our end than I know it was on theirs.
Project summary
Dynamic pricing had been run manually for years. We knew the revenue upside was real but had no in-house way to build the models and wire them into the booking engine.
| 5.0 Overall Rating |
| 4.5 Quality |
| 5.0 Schedule |
| 5.0 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Embedded Systems Development |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Aug 2025 - Mar 2026 |
| Business Type: | Travel & Hospitality |
|---|---|
| Location: | Melbourne, Australia |
Questions & Answers
Modules built around how we actually operate instead of forcing us to change our process
Rashid Al-Marzouqi / Chief Technology Officer | May 21, 2026The easiest thing to praise is the technical output itself — solid test coverage, a deployment pipeline that just works, documentation that people actually reference instead of ignoring. But what I keep coming back to is the number of conversations we haven't had to have since launch. No 2am incident calls. No emergency patches. No post-mortems about what went sideways. That absence is really the whole pitch, if you ask me.
Project summary
Years of incremental patches had left us with a platform that technically worked but was quietly holding the business back strategically. A proper rebuild was the agreed way forward.
| 5.0 Overall Rating |
| 5.0 Quality |
| 5.0 Schedule |
| 5.0 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | ERP Development |
|---|---|
| Project Cost: | $10,000 to $49,999 |
| Project Duration: | Dec 2025 - Mar 2026 |
| Business Type: | Events & Event Management |
|---|---|
| Location: | Sharjah, UAE |
Questions & Answers
Got the outcome we asked for, delivered the way we needed it, by people we'd hire again
Rodrigo Cardoso / VP of Technology | May 20, 2026Going in, the integration work was what worried me most. Our systems landscape is messy, a couple of the third-party APIs we depend on are barely documented, and one of those vendors has a well-earned reputation for slow, inconsistent support. This team absorbed all of that. They documented what the upstream providers wouldn't, built in resilience wherever the upstream behavior was flaky, and shipped something that has worked exactly as specified since go-live. I genuinely couldn't have asked for more on that front.
Project summary
A merger left us running two incompatible student information systems. We needed a consolidation plan that kept historical records intact and didn't interrupt term-time operations.
| 4.5 Overall Rating |
| 4.5 Quality |
| 4.0 Schedule |
| 4.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Industry-Specific Solutions |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Jun 2025 - Mar 2026 |
| Business Type: | Education |
|---|---|
| Location: | Rio de Janeiro, Brazil |
Questions & Answers
The return on this investment outpaced the business case we originally approved
Karthik Iyengar / Head of Platform | May 04, 2026What actually moved the needle wasn't their ability to follow a spec — any competent team can do that. It was their willingness to push back when a requirement didn't make sense, explain clearly why, and help us decide on something better instead. That extra layer of judgment took the final product past what we'd actually asked for and closer to what we genuinely needed, which isn't always the same thing.
Project summary
Years of incremental patches had left us with a platform that technically worked but was quietly holding the business back strategically. A proper rebuild was the agreed way forward.
| 4.5 Overall Rating |
| 4.5 Quality |
| 4.0 Schedule |
| 5.0 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | POS System Development |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Aug 2025 - Mar 2026 |
| Business Type: | Construction |
|---|---|
| Location: | Coimbatore, India |
Questions & Answers
Delivered with the change management and documentation a project this size actually needs
Griffin Ashcombe / Managing Director, Tech | Apr 27, 2026I went into this engagement genuinely skeptical. A previous vendor had left us with a system that technically worked but that nobody trusted, and I wasn't interested in repeating that experience. This team earned trust the slow way — solid discovery documentation, technical proposals that held up under scrutiny, sprints that landed when promised, and ultimately a production system that has simply behaved. I don't open conversations about them with caveats anymore.
Project summary
Our product thinking internally was solid, but our execution depth in this particular technical domain wasn't. We needed real specialists, not another generalist team.
| 5.0 Overall Rating |
| 5.0 Quality |
| 5.0 Schedule |
| 4.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | ERP Development |
|---|---|
| Project Cost: | $500,000+ |
| Project Duration: | Jul 2025 - Mar 2026 |
| Business Type: | Agriculture |
|---|---|
| Location: | San Francisco, USA |
Questions & Answers
Launched at a 4.6 store rating with no critical bugs reported in the first two weeks
Elin Holmqvist / Head of Product Engineering | Mar 31, 2026Our stakeholder list for this project included board members, operations leads, compliance, and end users, all with wildly different levels of technical fluency and different definitions of success. Managing that mix well is genuinely hard, and this team did it better than any vendor we've worked with. They shifted register depending on who they were talking to without ever dumbing down the substance, kept expectations honest the whole way through, and delivered something each group could point to as meeting their own bar. That range is rare.
Project summary
Our internal engineering capacity was fully committed to keeping existing systems running, with no room for a build of this size. An outside partner with the right depth was really our only option.
| 4.5 Overall Rating |
| 4.5 Quality |
| 4.5 Schedule |
| 5.0 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Game Development |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Jul 2025 - Jan 2026 |
| Business Type: | Construction |
|---|---|
| Location: | Uppsala, Sweden |
Questions & Answers
Got the outcome we asked for, delivered the way we needed it, by people we'd hire again
Bianca Alvarado / Chief Product Officer | Jan 23, 2026Looking back, the thing that stands out most is how uneventful the whole project was. Technology projects of this size tend to generate their share of fire drills and awkward escalation calls. This one really didn't. Issues got flagged early enough that they never became incidents, scope changes went through an actual process instead of a tense phone call, and risks were tracked rather than just hoped away. That kind of quiet competence is unusual in my experience, and it made the whole thing feel easier on our end than I know it was on theirs.
Project summary
Our funnel data made it obvious exactly where we were losing customers, and it wasn't subtle. We needed a platform capable of the experience our competitors were already delivering.
| 4.5 Overall Rating |
| 4.5 Quality |
| 5.0 Schedule |
| 4.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Embedded Systems Development |
|---|---|
| Project Cost: | $10,000 to $49,999 |
| Project Duration: | Apr 2025 - Dec 2025 |
| Business Type: | Retail & E-commerce |
|---|---|
| Location: | San Diego, USA |
Questions & Answers
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