Сергій

Developer: Serhii Maslovskyi

Position: Back-end developer

Location: Torrevieja, Spain (UTC +1)

Year of birth: 1981

IT experience: Since 2004

E-mail: [відкрити контакти](див. вище в блоці «контактна інформація»)

Linked In: [відкрити контакти](див. вище в блоці «контактна інформація»)

Skills / competencies

Competence levels: excellent knowledge / good knowledge / basic knowledge

Category Competence Level

Languages:

JavaScript Good knowledge

SQL Good knowledge

PHP Excellent knowledge

GO Good knowledge

BASH Basic knowledge

HTML Good knowledge

CSS Good knowledge

NodeJS Good knowledge

Frameworks:

Symfony Excellent knowledge

Laravel Excellent knowledge

Vue.js Good knowledge

Gorilla, Gin, Fiber Good knowledge

Technologies:

REST API Excellent knowledge

Event Sourcing Good knowledge

DDD Good knowledge

GraphQL Good knowledge

RabbitMQ Good knowledge
 Redis Good knowledge

OOP principles Excellent knowledge

SOLID Excellent knowledge

NPM Good knowledge

Composer Good knowledge

GIT, SVN Good knowledge

WEB Sockets Good knowledge

AWS Good knowledge

GCP Good knowledge

Database:

MySQL Excellent knowledge

PostgreSQL Excellent knowledge

MongoDB Basic knowledge

Operating System:

Windows Good knowledge

Linux Good knowledge

MacOS Good knowledge

Development Tools:

PHPStorm

Cursor

Work experience:

June 2023 - present time - “OAK TREE / MDProspect (Promptly)” – Full-stack developer

Responsibilities:

Development, Linux, PHP, Laravel, Go, REST, Docker, MySQL, PostgreSQL, HTML, CSS, Bootstrap, JavaScript,
jQuery, VueJS.

May 2019 – May 2023 - “SPDEV” – Full-stack developer

Responsibilities:

Development, Linux, PHP, Symfony, Laravel, Go, NodeJS, REST, Docker, MySQL, PostgreSQL, HTML, CSS,
Bootstrap, JavaScript, jQuery, VueJS.

January 2019 – March 2019 – “NetLS” - Full-stack developer

Responsibilities:
Development, Linux, PHP, CaftCMS, Laravel, REST, Docker, MySQL, HTML, CSS, Bootstrap, JavaScript,
jQuery.

Jully 2017 – December 2019 – “InsilicoSoft” - Full-stack developer

Responsibilities:

Development, Support and Administration, Linux, PHP, Symfony, Laravel, Redis, RabbitMQ, REST, Docker,
Jenkins, MySQL, PostgreSQL, pl/pgsql, Elasticsearch, HTML, CSS, Bootstrap, JavaScript, jQuery, VueJS.

January 2004 – May 2017 – “Vasyl Stefanyk Precarpathian National University” - Full-stack developer

Responsibilities:

Development, Support and Administration, Linux, PHP, Symfony, Redis, RabbitMQ, REST, Docker, Jenkins,
MySQL, PostgreSQL, pl/pgsql, Elasticsearch, HTML, CSS, Bootstrap, JavaScript, jQuery.

Career History

Period: May 2023 – present day

Client: OAK TREE / MD Prospect (Promptly)

Project description: Digital Solu2ons for the Healthcare Industry

Used technologies: PHP, Laravel, Go, VueJS, jQuery, MySQL, PostgreSQL, Docker, AWS

Role in project: Full-stack developer

Period: September 2022 – May 2023

Client: OS Detaire

Project description: The platform with elements of a social network was created for sharing the
experience of dentists, professional help in solving complex cases, publishing
articles, announcements, job announcements, etc.

Used technologies: Node JS, Next JS, TypeScrypt, MySQL

Role in project: Back-end developer

Period: March 2021 – September 2022

Client: Wonderkind.com
Project description: B2B platform - allowing recruiting companies to create ads on different
channels such as Facebook, Google and LinkedIn from one place, create
campaigns from files - batch creation, create dynamic FB ads, manage design
and create custom templates, manage ad campaign time, budget and targeting,
receive reports on all advertising campaigns, etc.

Used technologies: PHP, Laravel, Go, PostgreSQL, Redis, Vue.js, GCP, DDD, Event Sourcing

Role in project: Full-stack developer

Period: September 2020 – January 2021

Client: BagOrBuy

Project description: B2B e-commerce platform BagOrBuy - this project is a platform for providing
the opportunity to create your own store within the system and sell clothes,
accessories, etc. A separate feature is the ability to create your own collections
and sell not separately, but the collection as a whole. Also, the system has
developed its own small social network with the ability to add friends and
subscribe to updates from friends.

Used technologies: Symfony 4, Doctrine 2, Twig, MySQL, Vue.js, Bootstrap 4

Role in project: Full-stack developer

Period: April 2020 – August 2020

Client: ScoreApp

Project description: B2B platform for testing professional skills - this project is a platform for
providing corporate clients with the opportunity to test the professional
knowledge and skills of their employees or job candidates (corporate
university).

Used technologies: Laravel, PostgreSQL

Role in project: Back-end developer

Period: May 2019 – April 2020

Client: Sweetdeal group

Project description: B2B platform - Discount coupon system - this project is a platform for enabling
different online stores to create their own discount coupons in one place, the
ability to use the coupon in different stores, etc.

Used technologies: Symfony 4, Doctrine 2, Twig, MySQL, jQuery, jQueryUI, Bootstrap 3/4

Role in project: Full-stack developer

Period: October 2018 – December 2019
Client: Yolo

Project description: "Yolo" - distance learning system - provides an opportunity to learn foreign
languages remotely, create your own theoretical courses, conduct knowledge
testing and conduct online video classes in real time.

Used technologies: Symfony 3, Doctrine 2, Twig, MySQL, jQuery, jQueryUI, Bootstrap 3

Role in project: Full-stack developer

Period: December 2017 – October 2018

Client: Firtka

Project description: Firtka is one of the largest regional news platforms, this site has all the features
inherent in such systems. Creating news, moderating, adding news from other
news platforms, creating your own blogs, etc.

Used technologies: Symfony 3, Doctrine 2, Twig, MySQL, jQuery, jQueryUI, Bootstrap 3

Role in project: Full-stack developer

Period: July 2017 – September 2017

Client: TM KIXX

Project description: E-commerce platform for official sponsor in Ukraine of the Korean company TM
KIXX - full-fledged online store with all the functions inherent in such systems:
catalogs, products, adding filters (parameters), filtering and searching, shopping
cart and online payment.

Used technologies: Symfony 2, Doctrine 2, Twig, PostgreSQL, jQuery, jQueryUI, Bootstrap 3

Role in project: Full-stack developer

Period: May 2017 – July 2017

Client: Fujiwara Co

Project description: E-commerce platform for the official co-driver in Ukraine of Japanese company
Fujiwara Co - full-fledged online store with all the functions inherent in such
systems: catalogs, products, adding filters (parameters), filtering and searching,
shopping cart and online payment.

Used technologies: Symfony 2, Doctrine 2, Twig, PostgreSQL, jQuery, jQueryUI, Bootstrap 3

Role in project: Full-stack developer

Period: January 2004 – May 2017

Client: Vasyl Stefanyk Precarpathian National University
Project description: Highly loaded system of distance learning and knowledge control. Thanks to the
design features, it can withstand a load of up to 12,000 students. It has all the
necessary features and modules to provide full-fledged training, knowledge
control and management of the educational process of the university.

Used technologies: Linux, PHP, Symfony, Redis, RabbitMQ, REST, Docker, Jenkins, MySQL,
PostgreSQL, pl/pgsql, HTML, CSS, Bootstrap, JavaScript, jQuery

Role in project: Full-stack developer, administrator

Education background

Ivano-Frankivsk Vasyl Stefanyk Precarpathian National University

Faculty of Physics, physicist, specialist.

Languages

Ukrainian: native

English: intermediate+

Personal skills

● Willing to self-education
● Critical thinking
● Detailed oriented

Hobbies and activities

● Ballroom dance
● Books (sci-fi, mystic, fantasy)
● Travelling