The principles, people and practices that make Doodlejay / 兜兜科技 a place where ambitious engineers build products the world relies on.
To make world-class technology accessible — by engineering dependable software, AI, mobile and data products that solve real problems for businesses, and by being the global delivery partner our clients can build on for the long term.
以技术之名，让世界更近一步。
To be the most trusted China-rooted global technology partner — known for engineering depth, transparent delivery and a culture where every team member ships work they are proud of. From Qinhuangdao to the world.
从秦皇岛出发，连接全球。
These are the cultural pillars every Doodlejay team member signs up to — from interns to executives.
Clean code, rigorous reviews, automated tests, and continuous delivery. We treat engineering as a craft, not a cost line.
Long-term relationships over short-term wins. We win when our customers win — and we earn that trust every single sprint.
Built-in i18n, multi-region compliance, and 24/7 follow-the-sun delivery. Our products are born international.
Decide, ship, learn, repeat. We empower every team member to act like an owner — with the responsibility that comes with it.
Honest, frequent, two-way. Internally and with every client. No surprises, no hidden agendas, no jargon for jargon's sake.
A workplace where every voice is heard, every background is welcomed, and every team member can do the best work of their career.
A distributed team with deep technical roots, a builder's mentality, and a relentless focus on customer outcomes.
🌍 Distributed · 5+ countries
Our team blends seasoned engineers from top internet companies, product designers who think in flows and outcomes, data scientists who can talk to both CTOs and CFOs, and operators who've scaled products from 0 to millions of users.
30+ countries served. 200+ projects delivered. AI-native SDLC, multi-region cloud delivery, and a new mobile management suite launched on Google Play and the App Store.
Cross-platform mobile management app released to Google Play and the App Store. Ad mediation stack onboarded: AdMob, Meta, AppLovin, Unity, Pangle, Mintegral, InMobi.
Industrial internet data services launched. First smart-manufacturing deployment in partnership with a regional industrial group.
Internal AI R&D team formed. Foundation models, computer vision and NLP projects delivered to first wave of global enterprise customers.
兜兜科技 / Doodlejay founded in Qinhuangdao, Hebei, China. From day one, built as a globally distributed technology company.
We're always looking for senior engineers, designers and operators who care deeply about craft. Reach out — even if there's no open role that fits yet.