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Sergii O.
Last update: 23 Sep 2019
ARCHITECT /team lead
Lead Full Stack Developer / Solution Architect
Hi there,

I'm a Lead Full Stack Developer with proven expertise in back-end & front-end development, database and solution architecture. I have dealt with Progressive Web Apps, real-time communications, Clouds. Also, during my growth career, I got huge expertise in scaling microservices and setting up CI/CD processes with AWS/GCP from scratch. I'm also good at serverless architecture.
All rates are indicative, annual rate includes 5% discount
5% discount on yearly basis
GMT+2 East Europe
Kyiv/Ukraine, Sanford/USA

Works

EXPERIENCE

Industry Experience

Information services & Technologies, Big Data, E-Commerce & Retail

Product Experience

firmware for telecommunications industry, High-load IoT platform server-side develop, E-Commerce platform

PORTFOLIO HIGHLIGHTS

Sep `15 – Present

4 years

Wireless connection manager for IoT-Enabled consumer electronics

Lead Full Stack Developer / System Architect

Scaling Cloud Database/Node.js performance optimizations Develop new features Fix/improve existing features Fix Jenkins builds

Cirrent

CLIENT BACKGROUND The client is an IoT connection provider offering internet connectivity for any smart product, automatically and securely, right out of the box. Cirrent provides a global network of ZipKey Wi-Fi hotspots for connected products through partnerships with ISPs, Wi-Fi onboarding, product lifecycle management. Full description of the project: https://sirinsoftware.com/case-studies/cirrent-system-architecture/

Technologies Stack:

Amazon EC2 AWS Express.js GitHub JIRA MongoDB MySQL Node.js Apache Kafka Jenkins Nginx RabbitMQ Docker DynamoDB AWS Lambda

Industry:

Information services & Technologies

Product:

firmware for telecommunications industry, High-load IoT platform server-side develop

Works:

Jun `19 – Jul `19

1 month

Big Data ETL

Solution Architect

I was in charge of designing solutions for data extraction, data streaming, processing.

The company providing research services and discovering novel biomarkers especially around sports and personal well-being using state of the art proteomics methods.

Technologies Stack:

Node.js Python Spark Redis Stream Processing Google Cloud Platform Serverless

Industry:

Big Data

May `18 – Aug `18

3 months

Cezerin - eCommerce platform

Lead Full Stack Developer

I used the latest technologies to build web apps with efficient use of the network. Web app loads once on startup and fetches a smaller amount of data when you request a new page. Building a high-quality Progressive Web App has incredible benefits, making it easy to delight your users, grow engagement and increase conversions.

Cezerin is React and Node.js based eCommerce platform. https://store.cezerin.com/

Technologies Stack:

GitHub JavaScript JIRA MongoDB Node.js React.js Docker

Industry:

E-Commerce & Retail

Product:

E-Commerce platform

EDUCATION

National Technical University of Ukraine "Kiev Polytechnic Institute"

Bachelor's degree in System Analysis

LinkedIn Learning

Serverless Architecture

LinkedIn Learning

Migrating from REST to GraphQL

LinkedIn Learning

Learning GraphQL

LinkedIn Learning

Amazon Web Services: High Availability

LinkedIn Learning

AWS for Developers: AWS Amplify

LinkedIn Learning

Cloud Architecture: Advanced Concepts

LinkedIn Learning

DevOps Foundations: Microservices

LinkedIn Learning

Google Cloud Platform Essential Training

IoT and Embedded Systems agency #592

Sirin Software is an engineering company with immense expertise in IoT and Embedded Linux Solutions. We help companies all over the world to build comprehensive products as well as extend their R&D team with cost-effective engineering resources. Sirin Software is a Florida-based IT company with an R&D center in Kyiv, Ukraine. Our core business expertise is Embedded Systems, IoT Solutions, Server Side Programming, Web and Mobile App Development. We have both hardware and software expertise. Sirin Software services: • Software/Firmware/Hardware Design • Design System Architecture • Mobile/Web Development • Industrial Design • Maintenance, Bug Fixing, and QA • IT Staff Augmentation In 2017 Sirin Software has become an official Cypress Design Partner and was recognized by CIO Review magazine as one of the TOP-20 Most Promising IoT providers.

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