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
AI Overview
Performance snapshot
Arbisoft presents a consistently strong performance profile across a large and diverse review base, with the vast majority of ratings at 5.0 and long-term client relationships spanning multiple years. The vendor demonstrates particular strength in technical execution, project management, and communication, with no recurring negative patterns identified. A minor schedule sub-rating dip and one low-density review with extra-hours concerns are the only mild qualifiers across an otherwise positive dataset. Client outcomes include revenue generation, successful fundraising rounds, and product-market fit achievements.
Performance breakdown
Technical expertise
StrongMultiple reviews cite proficiency in Python, React Native, Kubernetes, Elasticsearch, AI/ML, and cloud technologies. Clients across automotive, EdTech, and FinTech consistently commend Arbisoft's engineering depth, problem-solving ability, and delivery of complex, production-grade systems.
Project management & delivery
StrongReviewers from KAYAK, Twinner GmbH, and multiple other clients confirm consistent on-time delivery, milestone adherence, and structured sprint cycles including weekly demos. Schedule sub-ratings are predominantly 5.0, with only isolated 4.0–4.5 scores in two engagements.
Communication & collaboration
StrongClients repeatedly highlight responsiveness via Slack, Zoom, and email, daily syncs, and seamless integration into internal teams. Cross-timezone communication and cultural flexibility are specifically noted by clients in the US, UK, Germany, and Singapore.
Reliability
StrongAn anchor review from a travel search website notes 30 dedicated QA resources with high ownership and dependable delivery. Low error rates, improved product uptime, and bug resolution are cited across multiple long-term engagements, with no significant reliability failures reported.
Client satisfaction & outcomes
StrongTangible outcomes include revenue growth from zero to $1M, closure of a pre-seed funding round, over 100,000 processed transactions, and millions in product revenue generated. Multiple clients report high NPS scores and expanded team engagement over multi-year partnerships.
Best for
Arbisoft is best suited for startups and mid-market companies seeking reliable, long-term software development and QA partnerships, particularly in EdTech, travel, e-commerce, and data-heavy platforms requiring scalable engineering teams.
Clients info
Arbisoft serves a diverse client base spanning EdTech, travel, e-commerce, financial services, data analytics, and AI software. Clients range from early-stage startups and small businesses to large enterprises with over 10,000 employees, with the most common band being 11–200 employees. Project budgets most frequently fall in the $50,000–$999,999 range, with several engagements exceeding $1M for long-term partnerships. Primary industries represented include Education & EdTech, Travel & Hospitality, eCommerce, Information Technology, Financial Services, Data Analytics & AI. 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 draws on 46 reviews across 4 platforms, with the majority sourced from a professional B2B review platform providing the richest detail. The review base spans from 2017 to mid-2026, with a strong concentration of reviews from 2023 to 2025. Several reviews are more than one year old, though recent 2025–2026 reviews confirm continued active performance. Google reviews are largely non-client in nature and carry limited evaluative weight. Review date range: Mar 2013 (project start cited); earliest published review Oct 2017 - Sep 4, 2026.
Performance breakdown
Technical expertise
StrongMultiple reviews cite proficiency in Python, React Native, Kubernetes, Elasticsearch, AI/ML, and cloud technologies. Clients across automotive, EdTech, and FinTech consistently commend Arbisoft's engineering depth, problem-solving ability, and delivery of complex, production-grade systems.
Project management & delivery
StrongReviewers from KAYAK, Twinner GmbH, and multiple other clients confirm consistent on-time delivery, milestone adherence, and structured sprint cycles including weekly demos. Schedule sub-ratings are predominantly 5.0, with only isolated 4.0–4.5 scores in two engagements.
Communication & collaboration
StrongClients repeatedly highlight responsiveness via Slack, Zoom, and email, daily syncs, and seamless integration into internal teams. Cross-timezone communication and cultural flexibility are specifically noted by clients in the US, UK, Germany, and Singapore.
Reliability
StrongAn anchor review from a travel search website notes 30 dedicated QA resources with high ownership and dependable delivery. Low error rates, improved product uptime, and bug resolution are cited across multiple long-term engagements, with no significant reliability failures reported.
Client satisfaction & outcomes
StrongTangible outcomes include revenue growth from zero to $1M, closure of a pre-seed funding round, over 100,000 processed transactions, and millions in product revenue generated. Multiple clients report high NPS scores and expanded team engagement over multi-year partnerships.