design-led solutions built on open-source foundations, with AI woven into everything we do—from how we work internally to how we deliver faster, smarter outcomes for our partners. With 750+ specialists and one of the industry’s lowest talent turnover rates, we operate as a seamless, trusted extension of our partners’ in-house teams.

What Sets Us Apart Design-First Engineering Excellence We lead with design to ensure our solutions are not only technically sound, but intuitive and genuinely loved by end users. From day one, our cross-functional teams bring together product thinking, UX, and engineering to minimize rework, reduce launch risk, and deliver experiences that go far beyond typical feature-factory builds. Open-Source Depth, Without the Risk For over a decade, Arbisoft has been a leading engineering force behind some of the world’s most widely used open-source technologies—from Open edX and Moodle to Wagtail, Strapi, Django, and FastAPI. Our depth in open-source is not just a technical advantage; it is how we help clients achieve real digital sovereignty: the freedom to own their platforms, control their data, and build on foundations no single vendor can take away. AI-Accelerated Outcomes, Not AI Experiments AI is embedded into how we work and what we deliver. We help digital leaders turn AI from buzzword into business impact—building AI-powered products and workflows that improve time-to-market, decision quality, and user experience, grounded in measurable outcomes rather than demos. Long-Term Partner, Not a Vendor We partner with category leaders in Education, Healthcare, and Travel not as a vendor, but as a trusted team that integrates into your organization. With decade-long relationships and some of the lowest turnover rates in the industry, our people stay with your product through multiple generations—carrying your codebase, strategy, and institutional knowledge forward.

What We Do AI & Innovation Agentic AI Systems & Workflow Automation AI-Powered Web & Mobile MLOps & AI Lifecycle AI-Accelerated Software Delivery (SDLC) Open Source Open Source Strategy & Advisory Open Source Migration & Modernization Design & Experience Experience Design (CX) Product Strategy & Design Accessibility Services Software Delivery Custom Software Development Platform Engineering (IDP) System Modernization & Legacy Migration Quality Engineering Data Intelligence Data Engineering BI & Analytics Databricks Services

Who We Serve We bring deep accumulated knowledge and proven architectural scale to three focused verticals: EdTech — including Open edX, Moodle, Totara, and large-scale learning platforms Travel & Hospitality Healthcare & MedTech Our partners include global category leaders such as edX, KAYAK, Insurify, Indeed, Stanford University, and the 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 “They delivered a high-quality product and their customer service was excellent.” — Alice Danon, Project Coordinator, World Bank “The app has generated significant revenue and received industry awards, which is attributed to Arbisoft’s work.” — Silvan Rath, Founder & CEO, Predict.io