BACK to search results
Vitalii S.
Last update: 29 Nov 2018
SENIOR /team lead
Passionate Java/Scala Developer/ Full Stack Developer
● More than 6 years of experience in developing applications using Java
● More than 4 years of experience developing in Scala using Play framework
● Strong knowledge of AWS services such as EC2, S3, SES, SQS (more than 3 years of experience working with AWS)
● More than 5 years of experience in MongoDB, PostgreSQL, MySQL
● More than 6 years of experience in basic front-end stack (HTML, CSS, JS, Ajax)
● Experience in Angular JS
● Experience in ML
● Excellent knowledge in OOP.
● Good knowledge in programming JDBC, Hibernate.
● Experience in using Design patterns.
● Good logical thinking, self-learning, high level of responsibility.
● Responsible, hard-working, result-oriented, creative and communicative, team player.

Certificates:

Functional Programming Principles in Scala
Functional Program Design in Scala
Parallel programming
Algorithms: Theory and Practice. Methods
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
Usually responds within 1 hour
GMT+2 East Europe
Kharkov, Ukraine

EXPERIENCE

Industry Experience

Advertising & Marketing, Statistics & Atalytics, Accounting & Auditing, Photo & Video, Social Media & Communication

Product Experience

IoT Application, Project for telecommunication company

PORTFOLIO HIGHLIGHTS

Feb `18 – Nov `18

9 months

Under NDA

Back End Developer

● Develop new features. ● Tasks estimation and sprint planning ● Unit and Integration testing ● Code reviews ● Development of technical specifications ● Resolve complex technical design issues

Under NDA

This system provides secure IoT/M2M connectivity to organisations that roll out IoT networks and connect devices/machines/sensors to the IoT network.

Technologies Stack:

MySQL Scala Redis Spring Security Spring Data Java 8 Spring Boot

Product:

IoT Application

May `17 – Feb `18

9 months

Under NDA

Back End Developer

● Build project structure from scratch ● Develop new features. ● Tasks estimation ● Deploy project ● Lead team with few backend developer ● Manage tasks progress and cooperation with developers and QA ● Resolve complex technical design issues

The system has one platform that provides analytics, reporting, and intelligent paid distribution for your editorial content and native ads.

Technologies Stack:

Scala Akka

Industry:

Advertising & Marketing, Statistics & Atalytics, Accounting & Auditing

Jul `16 – May `17

10 months

Skyglyph

Full Stack Developer

● Develop and test software ● Resolve complex technical design issues ● Writing up reports, manuals and other documentation on the status, operation and maintenance of software ● Clearly and regularly communicate with management and technical support colleagues ● Identify ideas to improve system performance and impact availability ● Development of technical specifications and plans

Skyglyph – a dynamic start-up consisting of creative and industry save aerial survey enthusiasts based in Sofia, Bulgaria encompassing an established business network in North America, Eastern Europe and Central Asia. Specialization is the development of cloud based software and industrial surveillance solutions that transforms drones into concise instruments for deployment in a wide range of business use cases. http://dataerion.com/

Technologies Stack:

AngularJS AWS PostgreSQL Akka Bootstrap Machine learning Engineer OpenLayers Play Framework

Feb `16 – Jul `16

5 months

The EyeCatcher

Full Stack Developer

● Develop and test software ● Database design creation ● Front-end development ● Resolve complex technical design issues ● Writing up reports, manuals and other documentation on the status, operation and maintenance of software ● Analyze user requirements and convert requirements to design documents

A web site with photos and theirs anomalies is coordinated from CCTV cameras. Use a SVG to focus on anomalies in a photo. There is a possibility of sorting by time, and the type of an anomaly.

Technologies Stack:

AngularJS Big Data Architects MongoDB SVG Spring Data Spring Boot

Oct `15 – Feb `16

4 months

Project for telecommunication company

Back End Developer

● Develop new features. ● Support existing code. ● Tasks estimation ● Resolve complex technical design issues ● Writing up reports, manuals and other documentation on the status, operation and maintenance of software

Video managing: - Video uploading and downloading - Video properties editing - Sorting by different types, - Channel creating and video sorting by channels

Technologies Stack:

Hibernate MySQL Spring

Industry:

Photo & Video

Product:

Project for telecommunication company

Sep `14 – Oct `15

1 year

TwiterAnalyzer

Back End Developer

● Development of the core functionality of the project, ● Database architecture and coding the functionality: User management, payment systems integrations, catalogues and auctions, notifications. ● Unit and Integration testing ● Resolve complex technical design issues

An application is used to analyze social networks. Service provides the information about a user’s interest in a chosen topic. The result is based on special metric scores and used ML algorithms and NLP functions.

Technologies Stack:

Oracle Play Scala Spark Twitter Akka JDBC MLlib

Industry:

Social Media & Communication

Oct `13 – Sep `14

11 months

Common Crawl (www.commoncrawl.org )

Back End Developer

● Code development ● Estimation, prioritization of tasks ● Unit and Integration testing ● Documentation maintenance

Processing 5 Pb of text(html+css+javascript)

Technologies Stack:

Amazon EC2 Amazon S3 PostgreSQL JDBC Multithreaded Programming Regular Expressions Mapr Hadoop

Jun `12 – Aug `14

2 years

Human Resource Management System

Full Stack Developer

● Create project architecture (under supervision). ● Manage database structure. ● Create core functionality. ● Front-end development ● Develop and test software ● Resolve complex technical design issues

Human Resource System is a system that allows human resource managers to collect and store the information about the applicants and the employees. The function of the human resources department involves tracking the employees’ histories, their skills, abilities, salary and accomplishments.

Technologies Stack:

AngularJS CSS Hibernate Java EE PostgreSQL Spring Apache Tomcat Elasticsearch HTML REST Spring Security Spring MVC Maven

EDUCATION

National Technical University “Kharkov Polytechnic Institute”

Specialist of Software engineering

CHI Development Center. agency #433

400+
Kharkov, Ukraine
GMT+2

Industries

Architecture & Design, Education & Science, Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Entertainment & Games, Construction & Real estate, Human Resources & Career, Mapping & Navigation, Sports & Fitness, Advertising & Marketing, Law & Government, Shopping & Loyalty programs, News & Media, Statistics & Atalytics, Kids & Childcare, Healthcare & Medicine, Safety & Security, Booking & Rent, Beauty & Personal Care, Service & Support, Films & TV, Insurance & Risk Management, Cybersecurity & Data Protection, Data Science & Machine Learning, Big Data, Automotive

CHI Software is the development center, based in Kharkiv, with representatives in Dnipro and Kiev (Ukraine), Israel and California. We’ve started off as a small web design studio. Nowadays, we have complex in-house expertise in different business domains and industries to offer. Our development team includes the following departments: web design, JavaScript, .Net, PHP, Ruby, Python, Java, C++, Mobile (Android and iOS), DevOps and QA. For a proper support, we have also trained a team of BI, BA and Project Managers who can join the project at any stage. We constantly keep up with the current technology trends: AI, Machine Learning, Computer Vision, AR/VR, continuous delivery, Blockchain, and cloud solutions integration, of course.

MORE TALENT AVAILABLE AT THIS AGENCY

5+ years of experience in developing applications using Node js, JavaScript (ReactJS),
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 11 Dec 2018
5+ years of experience in developing web applications using JavaScript (React, Node, Express)
● 5 years of commercial experience in IT ● Experience in developing web applications using JavaScript (React, Node, Express) ● Experience in development of highly loaded systems. ● Good logical t...
7 Projects completed
GMT+2 East Europe
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 28 Nov 2018
Big experience of commercial software development Solid experience in building rich web applications using frameworks such as React, Vue
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 28 Nov 2018