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Summary

Expertise

Project Highlights

Education

Agency

KN

English:

Upper Intermediate

Kostiantyn N.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Experienced Full-stack software engineer

Over 5 years of extensive experience in numerous areas of computing and information technologies as a Mobile Development and Quality Assurance Engineer. I'm experienced in creating native iOS and Android applications. I'm open to challenging tasks and interesting projects. I possess solid knowledge of object-oriented design, system architecture, as well as software development skills. Maintain strong verbal and written communication skills.

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Expertise

Years of commercial development experience

2 years of experience

Core technologies

Java 2 years
Kotlin 2 years
PostgreSQL 2 years
Twilio 2 years

Other technologies

Swift

Project Highlights

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Full-Stack devloper

xamoom

Apr `21 - Mar `22

11 months

xamoom

The Client has an SDK and Platform for managing different types of events and exhibitions. The end-user uses the apps (iOS, Android) to scan via QR-codes/iBeacons various markers. The app has a dedicated loyalty program mechanism through the vouchers.

Responsibilities & achievements

Native mobile development for a number of White label apps for both iOS/Android platforms SDK enhancements and integrations Third-party APIs integrations Troubleshooting production issues

AWS
Java
Kotlin
Twilio
ButterKnife
Retrofit
Mapbox
Firebase
icon
Full-Stack developer

Property Management System

Apr `20 - Mar `21

11 months

Anlit LLC

REM is a Property Management System that connects both real estate owners and tenants in the most convenient way. I designed and developed iOS and Android apps for landlords and tenants.

Responsibilities & achievements

- Estimating, researching, implementing, testing, and evaluating new features. - Close work with the product team to build innovative application experiences for the iOS platform. - Apply software engineering design patterns to develop well-structured code. - Analyze and optimize app architecture for improving quality, efficiency, and performance. - Code reviews - Troubleshooting production issues.

AWS
Java
Kotlin
PostgreSQL
Twilio
Alamofire
ELK
Material-UI
icon
Full-Stack Software Engineer

Automation Testing

Aug `16 - Feb `20

4 years

SportLabs Group

I've started my career as a QA Automation Engineer. Then I decided that I want to participate in product development directly to have more influence on the product and its quality. So I've developed my professional skills and become a Native Mobile Developer. The skills I've gained are incredibly beneficial since I write efficient code which is easy to maintain.

Responsibilities & achievements

Key responsibilities: Perform API Testing using REST Assured (Java lib.), Functional and UI testing. Identify and troubleshoot issues (both Front-End and Back-End). Grow and mentor other members of the QA team to gain expertise and adoption of Automation practices. Collaborate closely with the Development team to execute testing earlier in the Software Development lifecycle

Java
Test Automation
TestFlight

Education

Higher Education

Agency

Full-stack web&mobile dev team agency #2802

10-50

GMT+2

Kyiv/Ukraine, Lviv/Ukraine, Budapest/Hungary

Core Expertise

AWS
Ember.js
Express.js
Hibernate
Java
jQuery
Kotlin
Kubernetes
MySQL
Node.js
Objective-C
Oracle
PHP
PostgreSQL
React.js
Socket.IO
Spring
Twilio
TypeScript
UX
WebRTC
Amazon Web Services
Elasticsearch
Jenkins
Laravel Framework
Mockito
quartz
Redis
Swift
Dagger 2
Design Patterns
RabbitMQ
RESTful API
Android NDK
Docker
MariaDB
Redux
Solidity
Vue.js
EVM
Spring Boot
Cryptocurrency
Blockchain
Web3.js
Truffle
Flutter
Microservices
Google Cloud Platform
AWS Lambda
Redux-saga
Firebase
Material-UI
Vuex
Vuetify
Nuxt.js

Industries

Education & Science, Banking & Finance, Information services & Technologies, Entertainment & Games, Construction & Real estate, Mapping & Navigation, Internet & Telecom, Travel & Tourism, Healthcare & Medicine, Booking & Rent, Insurance & Risk Management, Blockchain & Cryptocurrency, Entertainment, Conversational automation

Want to hire this engineer?

Check if Kostiantyn is available