Logo
Oleh – Angular, .NET, NoSQL, experts in Lemon.io

Oleh

From Ukraine (GMT+3)

flag
Full-stack Web DeveloperSenior
Hire developer
8 years of commercial experience
Agritech
Automotive
E-learning
Edtech
Farming
Logistics
Telecommunications
Transportation
IDEs
No-code software
Platforms
Lemon.io stats

Oleh – Angular, .NET, NoSQL

Meet Oleh — a Full-Stack Developer with 7+ years of commercial experience. He has a great understanding of .NET and a couple of years of experience with React and Angular across domains like agritech, edtech, IDEs and telecommunication. Additionally, his background includes working with high-load systems and microservices, along with good knowledge of developing and designing various databases. Considering his high-level soft skills, Oleh is a pleasant person to work with! Hurry up and hire him before your competitors do!

Main technologies
Angular
3 years
.NET
7 years
Additional skills
NoSQL
C#
React
Node.js
MongoDB
Docker
Microsoft Azure
SQL
Kubernetes
JavaScript
AWS
Typescript
Apache Kafka
CI/CD
.NET Core
Entity
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Senior Software Engineer
Jul 2022 - Ongoing1 year 11 months
Project Overview

Farm management platform.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Designed and implemented a robust irrigation function that efficiently consumes messages from the IoT Hub and seamlessly stores them into CosmosDB. This important feature ensures real-time data integrity and accessibility;
  • Architected and implemented a dedicated API service that provides seamless access to the irrigation data stored in CosmosDB. This service facilitates efficient data retrieval and supports data-driven decision-making;
  • Created a time series data processing function which is triggered by IoT Hub and stores the received data in the Azure Data Explorer (ADX);
  • Established a dedicated time series API service to streamline access to the time series data stored in the ADX. This service optimizes data retrieval processes and supports analytical queries;
  • Engineered a serial number generation feature that ensures unique identifiers for new devices. This critical component enhances device management and their tracking within the system;
  • Defined a comprehensive approach for writing integration tests that were specifically tailored for Azure Functions. This initiative ensured an ability to use the TDD approach for extending the Azure Functions functionality;
  • Successfully integrated Hangfire to manage and execute recurring tasks that helped to enhance system efficiency and automated critical background processes;
  • Designed and implemented a weather forecast service. This service contributes to accurate forecasting and planning for agricultural operations;
Project Tech stack:
.NET Core
C#
JavaScript
Typescript
Angular
Docker
NUnit
SignaIR
Azure Functions
Azure SQL
Azure Service Bus
Cosmos
ASP.NET Web API
Azure DevOps
Microservices
ASP.NET CORE
Senior Software Engineer
Nov 2021 - Jul 20228 months
Project Overview

E-learning platform for students.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Designed and implemented a dynamic labeling system for course packs (trial, bought, buy) to enhance the visual representation of the status on the cards of the pack. This feature provided a streamlined and intuitive way to identify and categorize course packs, improving overall user experience;
  • Enhanced the utilization of Elasticsearch by optimizing direct access through the integration of Kafka. This strategic implementation not only refines data flow but also enhances system efficiency, ensuring a more resilient and scalable architecture;
Project Tech stack:
MySQL
Webpack
HTML
CSS
Docker
Microsoft Azure
Azure Functions
Azure SQL Database
.NET Core
JavaScript
Typescript
React
Jest
SCSS
Azure Service Bus
Azure SQL
C#
Senior Software Engineer
Oct 2019 - Nov 20212 years 1 month
Project Overview

A freight exchange service and provider of transportation.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Led the redesign of the MongoDB database architecture to optimize it for performance and scalability. Successfully executed the migration to the Amazon DocumentDB to enhance the overall database efficiency and reliability;
  • Designed and implemented a robust location tracking service to empower real-time tracking of drivers and enable dynamic distance calculations from drivers to target locations. This feature enhanced precision and responsiveness within the system;
  • Conducted a performance analysis and successfully optimized the Request Per Second (RPS) for key system endpoints. Implemented enhancements resulting in improved response times and overall system efficiency;
Project Tech stack:
JavaScript
Typescript
Angular
MongoDB
DocumentDB
DynamoDB
SQL
Jasmine
Sinon.JS
Mocha
HTML
CSS
Node.js
Koa.js
MongooseODM
TypeORM
TypeDI
Docker
AWS
Amazon MSK
Amazon S3
Amazon Pinpoint
Amazon EKS
ASP.NET
.NET
.NET Core
ASP.NET Web API
ASP.NET CORE
AWS Lambda
Amazon EC2
Amazon SNS
Kafka
NUnit
Jasmine
Sinon
Lodash.js
Webpack
Kubernetes
ORM
Terraform
Software Engineer
Apr 2019 - Oct 20196 months
Project Overview

A web application for the automotive field.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Engineered a comprehensive seven-step wizard, providing a user-friendly and configurable interface;
  • Implemented dynamic reconfigurability for each step, allowing users to choose visible fields and set mandatory requirements;
  • Conducted rigorous code reviews to ensure code quality and adherence to best practices;
  • Crafted technical designs for upcoming features, ensuring a robust and scalable architecture;
  • Successfully integrated third-party libraries, expanding the project's functionality and capabilities;
Project Tech stack:
ASP.NET
REST API
.NET Core
JavaScript
Typescript
Angular
SQL
Jasmine
HTML
CSS
Microsoft Azure
C#
Azure SQL
Microsoft SQL Server
NUnit

Education

2013
Electrical Systems & Networks
Specialist

Copyright © 2024 lemon.io. All rights reserved.