Arbisoft delivers design-led solutions, powered by open-source, accelerated by AI. For nearly two decades, we've been a design-first solutions partner for digital leaders who value digital sovereignty. We've helped companies in EdTech, Healthcare, and Travel build products trusted by hundreds of millions of users worldwide. With 750+ specialists and industry-low turnover, we operate as a seamless extension of your team.
What We Do
- AI & Innovation
- Open Source Strategy & Modernization
- Design & Experience
- Software Delivery
- Data Intelligence
Who We Serve
EdTech — Open edX, Moodle, Totara, large-scale learning platforms
Travel & Hospitality
Healthcare & MedTech
Partners include edX, KAYAK, Insurify, Indeed, Stanford, World Bank.
By the Numbers
- 19+ years of proven market experience
- 750+ specialists across engineering, design, data, and QA
- Platforms serving 500M+ users (edX, KAYAK, Insurify)
- $1B+ in revenue generated by clients using our platforms
- 81.8 NPS score — 78% of clients rate us better than other providers
- One of the largest Open edX engineering teams globally
- 3,000+ pull requests across open-source GitHub repositories
- Decade-long relationships with category-defining brands
- Top 1% talent with rigorous selection and low turnover
What Our Partners Say
"I have managed remote teams now for over ten years, and our early work with Arbisoft is the best experience I've had." — Paul English, Co-founder & CTO, KAYAK
"Arbisoft has strong technical and interpersonal capabilities. They use the latest technologies, have outstanding language skills, demonstrate a stalwart work ethic, and invest in our product on a personal level. I have no hesitation in recommending Arbisoft." — Chris Morgan, CEO, ListenTool
Arbisoft delivers design-led solutions, powered by open-source, accelerated by AI. For nearly two decades, we've been a design-first solutions partner for digital leaders who value digital sovereignty. We've helped companies in EdTech, Healthcare, and Travel build products trusted by hundreds of millions of users worldwide. With 750+ specialists and industry-low turnover, we operate as a seamless extension of your team.
What We Do
- AI & Innovation
- Open Source Strategy & Modernization
- Design & Experience
- Software Delivery
- Data Intelligence
Who We Serve
EdTech — Open edX, Moodle, Totara, large-scale learning platforms
Travel & Hospitality
Healthcare & MedTech
Partners include edX, KAYAK, Insurify, Indeed, Stanford, World Bank.
By the Numbers
- 19+ years of proven market experience
- 750+ specialists across engineering, design, data, and QA
- Platforms serving 500M+ users (edX, KAYAK, Insurify)
- $1B+ in revenue generated by clients using our platforms
- 81.8 NPS score — 78% of clients rate us better than other providers
- One of the largest Open edX engineering teams globally
- 3,000+ pull requests across open-source GitHub repositories
- Decade-long relationships with category-defining brands
- Top 1% talent with rigorous selection and low turnover
What Our Partners Say
"I have managed remote teams now for over ten years, and our early work with Arbisoft is the best experience I've had." — Paul English, Co-founder & CTO, KAYAK
"Arbisoft has strong technical and interpersonal capabilities. They use the latest technologies, have outstanding language skills, demonstrate a stalwart work ethic, and invest in our product on a personal level. I have no hesitation in recommending Arbisoft." — Chris Morgan, CEO, ListenTool
Performance snapshot
Arbisoft presents a consistently strong performance profile across a large and diverse review base spanning over a decade of client engagements. The vendor earns predominantly perfect or near-perfect sub-metric scores across quality, schedule, cost, and willingness to refer on verified platforms. Recurring themes include deep technical ownership, responsive communication, and long-term partnership behavior. No significant negative patterns or declining score trends are observed, though a small number of older reviews note minor schedule or quality sub-scores just below 5.0.
Performance breakdown
Technical expertise
StrongMultiple reviews cite specific technologies including Python, React Native, Kubernetes, Elasticsearch, and AI/ML, with a client noting Arbisoft built a machine learning podcast player. Clients from KAYAK, Twinner GmbH, and PayPerks confirm consistently strong engineering talent across mobile, web, and data engineering domains.
Project management & delivery
StrongAcross numerous long-term engagements, clients consistently report on-time delivery and milestone adherence. An AI software company noted millions in revenue generated, while KAYAK's engineering manager cited streamlined pipelines and backlog resolution, with schedule sub-ratings averaging 4.9 or above across verified reviews.
Communication & collaboration
StrongClients uniformly describe responsive, transparent communication via Slack, Zoom, and email despite time zone differences. Multiple reviewers highlight that Arbisoft engineers integrate seamlessly into internal teams, with one Bay Area startup noting engineers participated in all standups with minimal oversight required.
Reliability
StrongAn AI documents company noted improved product uptime and reduced bugs following Arbisoft's QA work, and a management consulting firm cited low error rates across a decade-long e-learning engagement. A travel search website confirmed 30 QA resources consistently rated highly in annual performance cycles.
Client satisfaction & outcomes
StrongTangible business outcomes are well-documented: one client grew revenue from zero to $1 million, another closed a pre-seed VC round and processed over 100,000 transactions, and a nonprofit scaled its team faster at lower cost than a prior vendor. High NPS scores and successful product-market fit are also cited.
Best for
Arbisoft is best suited for technology companies, edtech platforms, and growth-stage startups seeking a reliable long-term development partner for custom software, mobile apps, QA, and DevOps. Its cost-efficient staffing model and broad technical stack make it ideal for teams needing scalable engineering augmentation.
Clients info
Arbisoft serves a diverse client base spanning edtech, travel, fintech, retail, AI software, and nonprofit sectors. Clients range from small startups with 1–10 employees to large enterprises with over 10,000 staff, though small-to-mid-size technology companies are the most frequently represented. Project budgets range widely from under $10,000 to over $9 million, with a concentration in the $50,000–$999,999 band. Primary industries represented include Information Technology, Education / EdTech, Travel & Hospitality, Financial Services, Retail & eCommerce, AI & Data Analytics. Typical client size bands include 1–10 Employees, 11–50 Employees, 51–200 Employees, 201–1,000 Employees, 1,001–5,000 Employees, 10,001+ Employees. Common project budget ranges include Less than $10,000, $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999, $1,000,000 to $9,999,999.
Review strength
The assessment is based on 44 reviews across 4 platforms, providing a robust evidence base. The most recent review dates to August 2025, and the majority of substantive client reviews fall between 2021 and 2025. Several reviews predate 2020, including some from 2017 and 2018, which carry reduced recency weight but reinforce long-standing performance patterns. Review date range: Oct 2017 - Aug 2025.
Performance breakdown
Technical expertise
StrongMultiple reviews cite specific technologies including Python, React Native, Kubernetes, Elasticsearch, and AI/ML, with a client noting Arbisoft built a machine learning podcast player. Clients from KAYAK, Twinner GmbH, and PayPerks confirm consistently strong engineering talent across mobile, web, and data engineering domains.
Project management & delivery
StrongAcross numerous long-term engagements, clients consistently report on-time delivery and milestone adherence. An AI software company noted millions in revenue generated, while KAYAK's engineering manager cited streamlined pipelines and backlog resolution, with schedule sub-ratings averaging 4.9 or above across verified reviews.
Communication & collaboration
StrongClients uniformly describe responsive, transparent communication via Slack, Zoom, and email despite time zone differences. Multiple reviewers highlight that Arbisoft engineers integrate seamlessly into internal teams, with one Bay Area startup noting engineers participated in all standups with minimal oversight required.
Reliability
StrongAn AI documents company noted improved product uptime and reduced bugs following Arbisoft's QA work, and a management consulting firm cited low error rates across a decade-long e-learning engagement. A travel search website confirmed 30 QA resources consistently rated highly in annual performance cycles.
Client satisfaction & outcomes
StrongTangible business outcomes are well-documented: one client grew revenue from zero to $1 million, another closed a pre-seed VC round and processed over 100,000 transactions, and a nonprofit scaled its team faster at lower cost than a prior vendor. High NPS scores and successful product-market fit are also cited.