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Serhii Kostylev Email & Phone Number

PHP Web Developer at hotline.finance

Location: Kyiv, Kyiv City, Ukraine 4 work roles 3 schools

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✓ Verified July 2026 3 data sources Profile completeness 86%

Current company

hotline.finance

Role

PHP Web Developer

Location

Kyiv, Kyiv City, Ukraine

Company size

39 employees

Who is Serhii Kostylev? Overview

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Quick answer

Serhii Kostylev is listed as PHP Web Developer at hotline.finance, a with 39 employees, based in Kyiv, Kyiv City, Ukraine. AeroLeads shows a matched LinkedIn profile for Serhii Kostylev.

Serhii Kostylev previously worked as PHP Developer at Bintime and PHP-developer at Webra. Serhii Kostylev holds Master Of Science - Ms, Cyber Security from Neoversity. It Master'S Degree.

Company email context

Email format at hotline.finance

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hotline.finance

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Profile bio

About Serhii Kostylev

Currently, I am working for BinTime Company as a Senior Backend Software Engineer.In my company, I am responsible for:- PHP and Python code development and support- Code review, writing Unit Tests- Discussions about current and new business logicfeatures.My skills:PHP 5.6 - 8.3, Python, MySQL, Redis, Cassandra, ElasticSearch, MongoDB, Clickhouse, RabbitMQ, Open API (Swagger), Unit Tests, Machine learning (little experience)

Current workplace

Serhii Kostylev's current company

Company context helps verify the profile and gives searchers a useful next step.

Hotline.Finance

PHP Web Developer

Kyiv, UA

Website

bintime.com

Employees

39

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Company profile

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4 roles

Serhii Kostylev work experience

A career timeline built from the work history available for this profile.

Php Web Developer

Hotline.Finance

Kyiv, Ua

Php Developer

Current

Bintime

Киев, Украина

The project: icecat.bizResponsibilities:- PHP and Python code development and support- Code review, writing Unit Tests- Discussions about current and new business logicfeatures.

May 2019 - Present

Php-Developer

Webra

Киев

PHP 7.2, Yii2, MySQL, Angular, Git, Composer, Jira, HTML.

Jan 2019 - May 2019

Php-Developеr

Webbylab

Киев

PHP 7.2, MySQL, Git, Composer, Slim 3, Propel, Ajax, Twig, Jquery, HTML, CSS, Trello.

Apr 2018 - Nov 2018

Team & coworkers

Colleagues at hotline.finance

Other employees you can reach at bintime.com. View company contacts for 39 employees →

IS

Ivan Sierov Colleague at Hotline.FinanceLondon, England, United Kingdom View → IM

Iryna Melnychenko Colleague at Hotline.FinanceNetherlands View → KL

Kristina Landina Colleague at Hotline.FinanceUkraine View → AK

Artem Koshovyi Colleague at Hotline.FinanceUkraine View → EG

Elodie Guk Colleague at Hotline.FinanceUkraine View → ВЯ

Виктория Ярмолаева Colleague at Hotline.FinanceUkraine View → AL

Alexey Lavrentiev Colleague at Hotline.FinanceGermany View → MV

Mykhailo Virich Colleague at Hotline.FinanceUkraine View → VH

Vitaliy Hohlov Colleague at Hotline.FinanceUkraine View → VO

Viktoriya Oleynik Colleague at Hotline.FinanceUkraine View →

3 education records

Serhii Kostylev education

FAQ

Frequently asked questions about Serhii Kostylev

Quick answers generated from the profile data available on this page.

What company does Serhii Kostylev work for?

Serhii Kostylev works for hotline.finance.

What is Serhii Kostylev's role at hotline.finance?

Serhii Kostylev is listed as PHP Web Developer at hotline.finance.

Where is Serhii Kostylev based?

Serhii Kostylev is based in Kyiv, Kyiv City, Ukraine while working with hotline.finance.

What companies has Serhii Kostylev worked for?

Serhii Kostylev has worked for Hotline.Finance, Bintime, Webra, and Webbylab.

Who are Serhii Kostylev's colleagues at hotline.finance?

Serhii Kostylev's colleagues at hotline.finance include Ivan Sierov, Iryna Melnychenko, Kristina Landina, Artem Koshovyi, and Elodie Guk.

How can I contact Serhii Kostylev?

You can use AeroLeads to view verified contact signals for Serhii Kostylev at hotline.finance, including work email, phone, and LinkedIn data when available.

What schools did Serhii Kostylev attend?

Serhii Kostylev holds Master Of Science - Ms, Cyber Security from Neoversity. It Master'S Degree.

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