Roxana Chiorean
Verified Expert in Engineering
Software Developer
Roxana是一名高级后端工程师,在大公司和初创公司都有近十年的专业经验. 在Hewlett Packard Enterprise工作期间,他是OpenStack云框架的开源贡献者, 她加入了一家医疗保健初创公司,专门从事大数据处理技术. Roxana是一个友好的人,对建立伟大的多元文化团队充满热情.
Portfolio
Experience
Availability
Preferred Environment
MacOS, Ubuntu, Vim Text Editor, PyCharm, Git
The most amazing...
...我参与的项目是一个数据质量可视化仪表板,它可以帮助用户更好地理解和监控数据质量.
Work Experience
Senior Software Engineer
Nuna Health
- 负责ETL数据处理管道的不同组件和Spark集群配置.
- 帮助构建数据质量工具来分析处理数据的质量.
- Designed and built a data quality visualization dashboard.
- 扩展数据平台,使其能够处理数百tb的数据.
- 帮助构建一个API,使用Python和Django将患者与初级保健提供者匹配起来.
- 围绕客户数据的sla设计并构建了一个网页和通知系统.
- 与数据科学家合作扩展数据建模算法.
Software Developer
Hewlett-Packard Enterprise (HPE Helion Cloud)
- 参与开源云框架项目OpenStack, specifically to the authentication and authorization service.
- 通过为社区中的其他成员做代码审查和参加计划会议,参与到开源社区中.
- 实现了HPE Helion Cloud的web单点登录认证.
- Improved the OpenStack client command line interface (CLI).
- 使用LDAP驱动程序集成改进了身份验证机制.
- Contributed to the open source Python library, ldap3, with code that enabled unit test mocking capability.
Software Developer | Team Lead
惠普企业(HP数据库和中间件自动化)
- 建立了自动化数据库和中间件管理任务的工作流.
- Implemented internationalization and localization of the code.
- 担任系统架构师和团队领导,指导实习生和更多初级工程师.
- Improved code quality by standardizing the code review process.
- 领导与其他惠普软件产品集成的项目.
Malware Researcher
Bitdefender
- Analyzed the behavior of new malware through reverse engineering.
- Added detection for the new viruses into the antivirus product.
- Developed anti-malware heuristic techniques.
- 创建了一种算法,通过动态行为分析和图像处理来检测非法密钥生成器.
- Developed an algorithm to avoid false positive alerts.
Experience
Data Quality Visualization Dashboard
我开始设计一个数据质量可视化仪表板,以便用户更好地理解和监控数据质量.
设计过程包括用户访谈,以更好地了解项目需求, a couple of brainstorming sessions and multiple prototypes.
I chose to implement the dashboard using Looker, 一个商业智能工具,具有很好的可视化功能,用于大数据分析. 使用Looker自己的数据建模语言(LookML),我围绕客户机运行的数据的总体质量实现了一组仪表板, 多个数据处理运行和图表之间的比较,突出显示数据质量随时间变化的峰值.
该工具由数据操作员用户使用,每个月减少了数十小时的手工工作.
Primary Care Provider Matching API
It was a very impactful project, 运送到健康保险提供商,以改善患者的医疗保健结果.
Technologies: Python, Django
Data Calendar Web Page and Notification System
该系统跟踪接收客户端数据的预期时间表, late data updates, expected SLA deliverable dates. 我建立了一个网页,以一种友好的视觉方式显示所有这些信息,并建立了一个通知系统,通过电子邮件提醒用户重要事件,如延迟数据, 特定客户的所有月度数据到达的时刻, and so on.
这个项目是使用Python/Django和Angular开发的,它帮助减少了数据操作员用户在Excel电子表格中手动跟踪所有这些信息的大量手工工作. It also helped avoiding missing important deadlines.
Open Source Contributions for Openstack
Education
Master's Degree in Distributed Systems
Babeș-Bolyai University - Cluj-Napoca, Romania
Bachelor's Degree in Computer Science
Babeș-Bolyai University - Cluj-Napoca, Romania
Certifications
Scrum Master
Agile Development School
Skills
Libraries/APIs
REST APIs
Tools
Git, Spark SQL, AWS CloudFormation, Jenkins, Amazon Elastic MapReduce (EMR), PyCharm, Vim Text Editor, Apache Airflow, Looker, Ansible
Frameworks
Django, Spark
Paradigms
敏捷软件开发,RESTful开发,函数式编程
Languages
Python, SQL, Java, C, Assembly, Scala
Platforms
Amazon EC2, Linux, Databricks, OpenStack, Ubuntu, MacOS, Amazon Web Services (AWS)
Storage
Amazon S3 (AWS S3), MySQL, MongoDB
Other
Data Engineering, Reverse Engineering
How to Work with Toptal
在数小时内,而不是数周或数月,我们的网络将为您直接匹配全球行业专家.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring