David Frenkel

Skills

• Python, Django, Go
• Javascript/Typescript, Node.JS, Nest.JS, Express.JS
• React/Redux, ReactNative, Angular, HTML, CSS
• MySQL, PostgreSQL
• AWS-Worked with a large number of AWS services, including API Gateway, DynamoDB, EBS, EFS, ElastiCache, Lambda, NAT Gateway, OpenSearch (Elasticsearch), Route53, Route53 Application Recovery Controller, RDS, Redshift, S3, SNS, SQS, Athena, Glue and etc.
• NoSQL, Mongo, Redis, Cassandra, Clickhouse
• RestAPI, GraphQL
• Kafka

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Work Experience

Full Stack Developer, Team Lead, UpTeam, 2015 - present

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Developing one of the most important parts of the AWS Resilience Hub. This is a service for improving resilience and high availability of apps for AWS company, combining skills of Solutions Architect, DevOps Engineer and Software Engineer.

- Developing SSM documents using Python and AWS API
- Developing AWS CloudFormation templates and AWS CloudWatch alarm templates
- Working with AWS Engineers
- Writing BDD and unit tests using Python
- Closely working with API Gateway, Backup, DocumentDB, DynamoDB, EBS, EFS, ElastiCache, Kinesis Analytics, Kinesis Data Streams, Kinesis Firehose, Lambda, NAT Gateway, OpenSearch (Elasticsearch), Route53, Route53 Application Recovery Controller, RDS, Redshift, S3, SNS, SQS, Athena, Glue and etc.

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Project: AdTech platform
- Team Lead responsible for overall platform development and production support real-time AdServer and AdExchange integration.
- Reporting solution and production support for one of the biggest OTT platforms in the US
- Interviewing, onboarding and training new employees
Stack: Python, Node.JS, Go, AngularJS, MySQL, AWS, AuroraDB, RedShift, Kafka

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Project: Micro-finance platform on blockchain
- Team Lead responsible for Blockchain, smart-contracts, server-side and application development.
- Creating mobile cross-platform applications with ReactNative
- Collaborating with product and business managers in the US and Israel
- Sprint Planning and release management
Stack: Node.JS, ReactJS/Redux, Express, MongoDB, ReactNative

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Project: Marketing Automation Platform
- Creating analytics dashboards and admin apps for mobile and web, define and developing APIs, chat bots and notification systems

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Full Stack Developer, TJournal, 2013 - 2015

Project: Crowdsource based news-media site

- Building flexible editors tools for community driven news media

- Designing and building interactive data visualizations dashboards for analytics and data science projects

Project: Control system for election endorsement collection

- Designing and building a location based reviews collection system with editorial tools‍

Stack: JavaScript, d3.js, NodeJS, Wordpress, AngularJS

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Engineer, Center Information-Optical Technologies, 2011 - 2015

- Leading many projects in University Lab with computer simulations, experiments design, scientific instruments automation using Java, Wolfram Mathematica and C++

- Microcontroller development