Data Engineer Ii
Current
Nov 2021 - Present
AeroLeads people directory · profile
Johnny Ren Email & Phone Number
Data Engineer at Premera Blue Cross
at
Premera Blue Cross
1 work email found
@premera.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Data Engineer at Premera Blue Cross
Location
Seattle, Washington, United States
Who is Johnny Ren? Overview
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Quick answer
Johnny Ren is listed as Data Engineer at Premera Blue Cross at Premera Blue Cross, based in Seattle, Washington, United States. AeroLeads shows a work email signal at premera.com and a matched LinkedIn profile for Johnny Ren.
Johnny Ren previously worked as Data Engineer II at Premera Blue Cross and Data Engineer - Actuarial, Healthcare Economic at Premera Blue Cross. Johnny Ren holds Master Of Science (M.S.), Electrical Engineering from University Of Washington.
Company email context
Email format at Premera Blue Cross
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{first}.{last}@premera.com
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AeroLeads found 1 current-domain work email signal for Johnny Ren. Compare company email patterns before reaching out.
Profile bio
About Johnny Ren
Johnny Ren is a Data Engineer at Premera Blue Cross at Premera Blue Cross. He possess expertise in node.js, express.js, mongodb, nosql, http and 18 more skills. He is proficient in English. Colleagues describe him as "Johnny is a very talented engineer. He was eager to take on the difficult task of fraud prevention at Storm, with very ambiguous requirements. Johnny gathered enough information from subject matter experts and key stakeholders, and produced simple algorithms that detected roughly 80% of the fraudulent transactions. We really appreciate his dedication and hard work." and "Johnny is great to work with. He is very quick to get back to you when you have a question or need his help with something. He is extremely reliable and very kind and I never hesitate to ask Johnny when I need his help."
Listed skills include Node.Js, Express.Js, Mongodb, Nosql, and 19 others.
Current workplace
Johnny Ren's current company
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6 roles
Johnny Ren work experience
A career timeline built from the work history available for this profile.
Data Engineer - Actuarial, Healthcare Economic
May 2019 - Nov 2021
Data Engineer - Fraud Prevention
- Designed automated ETL and reporting using bash scripting that grabs data from multiple internal micro services and external data sources
- Performed analytics on transaction data to reveal users with correlated fraudulent activities
- Built and designed data warehouse follows star-schema for various requirements and needs
Sep 2018 - May 2019
Backend Developer
- Develop Node.js RESTful API to serve CakeCodes internal admin dashboard
- Retrieve and display user reward and activity data for our business and support team using MongoDB
- Work closely with front-end developer and discuss data structures and routing parameters
- Design and setup database schemas for user activity logs using MongoDB
- Manage user permission and detect unusual activities such as robots, vpn accesses, and spam signups
Jan 2017 - Apr 2017
Graduate Student Research Assitant
- Analyzed Convolutional Neural Network architectures for CT image quality detection
- Improved the classification accuracy for public and local datasets
- Performed grid search optimization to detect the best neural network filter parameters
- Analyzed and trained image-based features and plotted intermediate feature maps in MATLAB and Python
- Trained CNN models on the cloud using Microsoft Azure Machine Learning Studio
Jan 2016 - Dec 2016
Grader / Reader
Grading and Torturing includes:-Probability and Random Process-Signal and System-Digital Signal Processing-324 Multi-variable Calculus-308 Matrix Algebra-124-126 Calculus I-III-123 Function Modeling Quantitative Reasoning
Dec 2012 - Dec 2016
2 education records
Johnny Ren education
Master Of Science (M.S.), Electrical Engineering
University Of Washington
Bachelor Of Science (B.S.), Electrical Engineering
University Of Washington
FAQ
Frequently asked questions about Johnny Ren
Quick answers generated from the profile data available on this page.
What company does Johnny Ren work for?
Johnny Ren works for Premera Blue Cross.
What is Johnny Ren's role at Premera Blue Cross?
Johnny Ren is listed as Data Engineer at Premera Blue Cross at Premera Blue Cross.
What is Johnny Ren's email address?
AeroLeads has found 1 work email signal at @premera.com for Johnny Ren at Premera Blue Cross.
Where is Johnny Ren based?
Johnny Ren is based in Seattle, Washington, United States while working with Premera Blue Cross.
What companies has Johnny Ren worked for?
Johnny Ren has worked for Premera Blue Cross, Stormx, Inc., Cakecodes Inc., and University Of Washington.
How can I contact Johnny Ren?
You can use AeroLeads to view verified contact signals for Johnny Ren at Premera Blue Cross, including work email, phone, and LinkedIn data when available.
What schools did Johnny Ren attend?
Johnny Ren holds Master Of Science (M.S.), Electrical Engineering from University Of Washington.
What skills is Johnny Ren known for?
Johnny Ren is listed with skills including Node.Js, Express.Js, Mongodb, Nosql, Http, Machine Learning, Data Analysis, and Cloud Computing.
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