[北京] Vungle –- 全球移动广告平台招聘后端/iOS; 公司小而美，福利好，可在家办公

关于 Vungle

作为一家值得信赖的全球化移动互联网广告平台，Vungle 专注于为开发者提供最优质的流量变现，以及帮助广告主获取活跃度极高的高质量用户。同时，Vungle 也致力于改变用户获取应用内广告体验的方式。开发者借助 Vungle 独特新颖的广告形式，实现在应用内流量变现的最大化。广告主通过 Vungle 的平台在全球范围展示其广告来获取用户和提升高价值用户的留存。

Vungle 一直以数据为导向并基于用户体验，不断创造新颖广告格式、广告素材等产品。目前为止，Vungle 广告创意已覆盖超过 10 亿台移动设备，帮助广告主和流量主提高互动和回报。Vungle 总部位于美国旧金山，并在全球范围包括北京、伦敦、柏林、东京、首尔、新加坡、洛杉矶、纽约及赫尔辛基设有分公司。

Vungle 一直以数据为导向并基于用户体验，不断创造新颖广告格式、广告素材等产品。目前为止，Vungle 广告创意已覆盖超过 10 亿台移动设备，帮助广告主和流量主提高互动和回报。Vungle 总部位于美国旧金山，并在全球范围包括北京、伦敦、柏林、东京、首尔、新加坡、洛杉矶、纽约及赫尔辛基设有分公司。

现招聘技术岗位如下：
1. 资深后端工程师 / Senior Software Engineer, Platform - Golang, C/C++, Java , NodeJS
2. Staff Engineer, Mobile iOS

工作地点：北京银泰中心

邮箱： yingjing.bian@vungle.com

Senior Software Engineer, Platform
Responsibilities:
- Work with multiple site teams to develop Vungle core product within Agile framework
- Lead or co-lead product feature design, implementation and release
- Debug and resolve problems in different backend systems
- Continuously optimise the performance of existing systems to provide better SLA to meet core business requirement
- Contribute to engineering process improvement
- Contribute to product and engineering project roadmap planning
- Deliver simple, clean, reusable and easy to maintain source codes

Requirements:
- BS/MS degree in Computer Science, Engineering or equivalent experience
- 5+ years of experience in software development
- Interested in expanding your knowledge of emerging technologies
- You are very data-driven and passionate about system performance; making conscious performance trade-offs and enjoy profiling a system
- Passionate about helping others and invest into the team’s success
- Have some knowledge of various concurrency patterns, system and interface designs, as well as scaling systems
- Good understanding of low-latency, high-throughput backend services
- Object-oriented programming or functional programming, problem-solving, data structures and system architecture experience

Nice to have Experience:
- Previous professional experience writing in Golang, C/C++, Java, NodeJS
- Have experience in using Redis, Mongo, Kafka and NoSQL databases
- Have experience in using Kubernetes, AWS, GCP

Staff Engineer, Mobile iOS
Responsibilities:
- Drive innovation and work with cross platform teams located in Beijing, San Francisco and London to come up with new features and functionality for our customers.
- Develop new versions of Vungle’s iOS SDK which is integrated into 50,000+ apps and runs on hundreds of millions of devices
- Own SDK features to support new ad formats, high performance real-time streaming video delivery, etc.
- Contribute to design and development of the Vungle API that supports the SDK; with the necessary documentation
- Work closely with Product Managers, integration engineers and QA to support the world's largest gaming companies.
- Solve challenging problems in the areas of caching, multi threading and other native Apple technologies.
- Maintain SDK stability supporting multiple iOS versions and devices
- Help grow our team by providing valuable feedback and by mentoring junior engineers

Requirements:
- 8+ years of experience as a software engineer
- 3 years experience building SDKs, frameworks, APIs and libraries is a plus, not a must have.
- Bachelor Degree or above in Computer Science or equivalent technical degree
- Extensive Objective-C knowledge, we love the language. Swift experience a plus
- Expert-level understanding of multithreading and networking
- Experience with agile methodologies and high level design principles
- Knowledge of Xcode, Instruments, REST APIs, git, cocoapods, CI/CD toolchain
- A passion for the iOS platform, and staying up-to-date with the latest platform developments
- Knowledge of fundamental Computer Science and Software Engineering concepts
- Fluent English communication skill
- Working familiarity with Vungle's ecosystem: gaming, apps, ad tech, etc, at all scales is a plus
- Experience with uploading applications to AppStore is a plusAd tech experience is a plus