Сергей

Full stack програміст

Employment type: full-time
Age: 39 years
City of residence: Kyiv
Ready to work: Remote
Employment type:
full-time
Age:
39 years
City of residence:
Kyiv
Ready to work:
Remote

Contact information

The job seeker has entered a phone number , email and LinkedIn.

Name, contacts and photo are only available to registered employers. To access the candidates' personal information, log in as an employer or sign up.

Work experience

Lead Software Engineer

from 07.2024 to now (1 year 7 months)
FinTech Company, Дистанційно (IT)

Leading the frontend engineering for a new flagship financial product using a modern React stack.
Architected and implemented a company-wide Design System to ensure visual and
functional consistency across multiple enterprise applications.
Driving the strategic modernization of legacy application modules, ensuring zero
downtime during migration.

Lead Software Engineer

from 05.2021 to 07.2024 (3 years 3 months)
N-iX, Київ (IT)

Oil & Gas Monitoring: Led the frontend development of complex monitoring
systems for oil refineries, focusing on visualizing massive datasets and ensuring high
reliability.
Team Leadership: Mentored a team of engineers, established code review
standards, and aligned technical decisions with business goals.
Process Optimization: Redesigned project structures and workflows to improve
delivery speed and code quality.

Senior Software Engineer

from 04.2019 to 05.2021 (2 years 2 months)
EPAM, Київ (IT)

Big Data Visualization: Developed complex interfaces for analyzing large financial
datasets, utilizing high-performance charts and graphs to render real-time market
data.
Innovation: Implemented an accessibility-focused Text-to-Speech feature, enabling
advanced user interaction with the platform.
CI/CD Optimization: Built and optimized GitLab CI/CD pipelines, reducing
deployment times and improving release stability.

Frontend Developer

from 05.2018 to 04.2019 (1 year)
Ning Interactive Inc., Київ (IT)

Legacy Modernization: Successfully migrated a high-traffic social platform
(originally built in 2004) from ES4/jQuery/PHP to a modern React/ES6 stack.
Refactoring: Replaced legacy core components, including the TinyMCE editor,
improving performance and user experience.

Team Lead & Full-Stack Developer

from 01.2017 to 05.2018 (1 year 5 months)
E-HUB (GIS & Cartography), Київ (IT)

GIS Visualization: Architected a Single Page Application (SPA) specifically for
displaying location-based data on interactive maps.
Complex Data: Integrated analytical data layers directly onto map interfaces using
Leaflet and Highcharts to provide geospatial insights.
Full Stack: Designed the solution using React, Redux, Node.js, and PostgreSQL.

Вчитель інформатики

from 09.2016 to 12.2016 (4 months)
GoIT, Київ (IT)

Провожу вебинари для студентів по темам: HTML, CSS, JavaScript

Education

НАУ

Геоинформационные системы и технологии, Киев
Higher, from 2003 to 2008 (5 years)

Additional education and certificates

GOIT GoFrontend

2016, 4.5 месяца

GoFrontend Advanced

2016, 2.5 месяца

Prometheus Основи програмування CS50

2016, 2.5 месяца

Knowledge and skills

  • JavaScript
  • React
  • Node.js
  • webpack
  • Vue.js
  • PostgreSQL
  • Leaflet
  • QGIS
  • ArcGIS
  • MapBox

Language proficiencies

English — above average

Additional information

Lead Software Engineer with 9 years of experience specializing in large-scale enterprise
architectures across FinTech, Industrial Automation, and Cartography (GIS). Expert in
modernizing massive legacy codebases (PHP/jQuery to React) and ensuring zero-downtime
migrations. I am an engineering-first leader who thrives in environments that prioritize
architectural quality, team autonomy, and complex technical challenges over simple
feature delivery.

Technical Skills
Core: JavaScript (ES6+), TypeScript, React, Redux, Node.js.
Architecture: Micro Frontends, CI/CD Design, Legacy Migration, Design Systems.
Data & IoT: RS-485 Protocols, GIS (Leaflet), Real-time Visualization, ML Integration.
Testing & Tools: Jest, Enzyme, Webpack, GitLab CI, Kubernetes.

Similar candidates

All similar candidates

Candidates at categories

Candidates by city


Compare your requirements and salary with other companies' jobs: