个人资料封面照片
您正在关注
关注用户错误。
该用户不允许他人关注他们。
您已经关注了这个用户。
您的会员计划仅允许0个关注。升级在此。
成功取消关注
取消关注用户错误
您已成功推荐
推荐用户错误。
出问题了,请刷新页面并重新尝试。
电子邮箱已成功验证。
用户头像
$80 USD / 小时
UNITED STATES的国旗
marietta, united states
$80 USD / 小时
目前这里是11:26 下午
十一月 18, 2018已加入
0 推荐

Saman M.

@samanmirzaiee

5.0 (1条评论)
0.1
0.1
100%
100%
$80 USD / 小时
UNITED STATES的国旗
marietta, united states
$80 USD / 小时
100%
工作已完成
不适用
在预算内
不适用
按时
不适用
重复雇用率

Data Architect / Data Engineer

Results-driven, self-starter IT professional with 19+ years of experience in data warehousing, BI, data modeling, database design/development, analytics, and reporting. 11+ years of experience leading technical teams to implement and deliver business intelligence solutions to more than 15 companies in different industries such as Health Care, Banking, Petrochemical, and Energy. • Worked on all phases of BI development life cycle, from gathering requirements to implementation, testing, and maintenance. • Experience in Data Modeling, Enterprise Data Integration Solutions, ETL Framework Design, Performance improvement • Developing ETL directly from different heterogeneous source systems including flat files, MSSQL, Rest API, MySQL and Oracle using SSIS, Data Factory, and AWS Glue • Experienced in designing NOSQL databases (MongoDB) • Performed data warehouse development on cloud-based platform such as Snowflake, Redshift, Synapse Analytics. • Expert in database tuning as well as troubleshooting all aspects of database related performance issues • Thoroughly proficient in SQL and PL/SQL development in MSSQL and Oracle. • Hands-on experience in data visualization tools such as Power BI, QlikView and Tableau. • Performed text Mining and data Mining using different algorithm. • Adopt a fast works mindset to support Business data and analytics projects. • Ability to quickly learn business domain knowledge. [login to view URL]

联系Saman M.询问您的工作详情

登录并通过聊天讨论所有细节。

文件夹

9918224
9918224

评论

变更已保存
展示1中的1-1条评论
筛选评论规则:
5.0
$15.00 CAD
Great work provided. On time, very professional and excellent results. Really great work and assistance - delivered to a high standard and worked through revisions to make sure perfect. Looking forward to use him for more custom work.
Excel
SQL
Microsoft Access
MySQL
Database Programming
M
的国旗 Krishna M.
@malladi0609
4 年前

经验

Senior Technical Consultant

Perficient
4月 2021 - 10月 2021 (6 个月, 2 天)
• Developed data warehouse on Snowflake and utilized Snowpipe to load large volume data from S3 • Migrate data warehouse from Snowflake to Redshift in less than 3 weeks. Utilized Glue Job and Lambda to automate ETL process. • Automated DDL Creation by Python to accelerate new environment setup. • Parameterized and centralized ETL process to facilitate change management and migration process. • Created hybrid data model in Power BI to increase performance at least 40 percent.

Lead Data Engineer

KTE
1月 2009 - 11月 2020 (11 年, 10 个月)
• Design, develop, document, and test new requirements in the data pipeline • Provide full operational support - analyze code to identify root causes of production issues and provide solutions or workarounds and lead it to resolution • Participate in full development life cycle including requirements analysis, design, development, deployment and operations support

Data Engineer

KTE
1月 2005 - 1月 2009 (4 年)
• Support, maintain, and document MSSQL data warehouse • Provides technical design based on business requirements • Communicates and coordinates with cross functional teams to ensure business objectives are met • Documents and submits status reports to leadership • Provides guidance on new technologies/methodologies • Develop the workflow and dataflow of SSIS ETL processes to support many different file structures and business processes

教育

Master of Science

Shahid Beheshti University, Iran, Islamic Republic of 2017 - 2019
(2 年)

Bachelor of Science

Shahid Beheshti University, Iran, Islamic Republic of 1995 - 2000
(5 年)

资质

SnowPro Core Certification

Snowflake
2021
SnowPro Core Certification

Google Cloud Professional Data Engineer

Google
2021
Google Cloud Professional Data Engineer

SQL Server Query Tuning

Faratar Az Danesh Academy
2015
Tuning SQL server databases and TSQL commands.

出版物

Crossing the chasm between green corporate image and green corporate identity

Journal of Strategic Marketing
Crossing the chasm between green corporate image and green corporate identity: A text mining, social media-based case study on automakers

联系Saman M.询问您的工作详情

登录并通过聊天讨论所有细节。

认证

优选威客
身份已验证
支付已验证
电话已验证
邮箱已验证
Facebook已关联

资质

SQL_1.png SQL 1 87%
之前的用户 下一个用户
邀请已发送成功!
谢谢!我们已通过电子邮件向您发送了索取免费积分的链接。
发送电子邮件时出现问题。请再试一次。
已注册用户 发布工作总数
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
加载预览
授予地理位置权限。
您的登录会话已过期而且您已经登出,请再次登录。