Profileimage by Claudiu Ivanescu Senior Backend Developer from Bucharest

Claudiu Ivanescu

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Last update: 09.09.2021

Senior Backend Developer

Graduation: Mathematics - University of Bucharest
Hourly-/Daily rates: show
Is negotiable depending of the difficulty and expertise!
Languages: English (Full Professional) | Romanian (Native or Bilingual)

Attachments

CV Python.docx

Skills

Backend developer with IoT, database and system administration experience

Some of my recent projects include:
 • gorgias.com: Architecture and implementation of a high performance growth stack backend integrating multiple sources of data. Used AWS Lambda, Step functions, API Gateway, SQS with DLQ, S3. Handled ~3.8M domains in Hubspot, data sources like BuiltWith, ZoomInfo, Kickstarter, Storeleads, PredictLeads, and many more.
 • technostrobe.com: monitoring solution for obstruction lights: SNMP and MQTT communication with devices, Python Flask back end, Vue frontend, MySQL as database
 • threatinformer.com: Architecture and back end for cyber security insurance intelligence: multi layer AWS Lambda orchestration with multi region deployment, PostgreSQL for persistence layer.
 • Project to give economic stock alerts like RSI, MACD, STOCH, STOCHRSI, ATR, Highs/Lows, Ultimate Oscillator, ROC, Bull/Bear Power, and others. We are using the backend AWS platform based on different Lambda script, more DynamoDB tables, EventBridge, API Gateway. Send alert by SMS SNS or SES Email. JS website and user authentication to show the evolution of stocks and alerts.
 • IoT solution for unified HVAC automation. Using Raspberry Pi, LAMP & Python technologies. Developed the frontend (on a touch screen) and backend to integrate with sensors and control the temperature of the air
 • C application on Arduino microcontroller for access control using bluetooth


Preferred technology areas:
 • Python 3, C, PHP
 • Vue.js, Flask, Docker
 • AWS: API Gateway, Lambda, Step Functions, IoT, EC2, DynamoDB, RDS, S3, SQS, SNS, Kinesis, SES
 • PostgreSQL, MySql, Redis
 • Raspberry Pi,  SBC, Arduino

Let's have a short call to talk about your project and how I could help you.

Project history

My achievements & projects:
* Python Flask Framework REST API back-end for a mobile application
* Worked to the development on REST API in Romanian Post - JAVA (Spring). Worked to backend at the integration to databases and generate the results. 
* Developed the application and implemented an IoT solution for unified HVAC automation. Using Raspberry Pi, LAMP & Python technologies. Developed the frontend (on a touch screen) and backend to integrate with sensors and control the temperature of the air.
* Developed C application for Arduino microcontroller to access control using bluetooth.
* Implemented PCI DSS for a cloud environment. To allow for credit card companies to use the IaaS offered.
* Implemented cloud services (VMWare based) to sell IaaS solution. Also based on VMWare I developed the DR system for a set of LAMP servers and Oracle DB
* Made academic research for using Linux IPC (Interprocess Communication) as a platform for multiple application communication.
 

Time and spatial flexibility

I can 90% travel of my time, with obligatory 2 week-end in Bucharest per month!

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