Костянтин

Angular Web developer, 378 000 UAH

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

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Work experience

Angular-розробник

from 07.2024 to now (1 year 7 months)
myHomeIQ, Дистанційно (Нерухомість)

- Build, optimize, and maintain scalable and high-performance web applications using Angular.
- Implement reusable components and modules following best practices.
- Create complex charts, graphs, and interactive visualizations using D3.js.
- Optimize rendering performance for large datasets.
- Improve application speed, responsiveness, and overall performance.
- Optimize change detection and minimize re-rendering in Angular.
- Implement lazy loading, AOT compilation, and efficient state management.
- Ensure seamless user experience across different screen sizes and devices.
- Implement mobile-first and adaptive UI components.
- Maintain a clean and modular code structure for maintainability and future scalability.
- Work with RESTful APIs, WebSockets for efficient data exchange.
- Write and maintain unit tests using Jest.
- Work closely with UI/UX designers, backend developers, and product teams.
- Participate in Agile ceremonies and contribute to sprint planning.
- Conduct code reviews to maintain high-quality standards.

Angular Team/Tech Lead

from 09.2020 to now (5 years 5 months)
ECO2 LTD, Limassol (IT)

• Participated in the creation from scratch of a large microservice e-commerce arch (more than 26 services).
• Developed from scratch Angular CSR/SSR showcase. (as Lead dev) resulting in a more than 200% increase of customers previous showcase/cart performance.
• Developed from scratch Angular CSR CMS (Admin) (as Lead dev) in result product time to market reduced by 40%, total cost from third-parties for admin panel handling was reduced up to $3k monthly.
• Provided multi-tenant, multi-language, multi-currency capabilities.
• Collaborated with the back-end development team to build a RESTful API,
improving the overall performance of the application and reducing fetch load times
by 30%.
• Provided real-time updates using Signalr/Socket.io for customer satisfaction.
• Developed an interactive data visualization dashboard using SignalR, D3 and
Angular to display real-time data to help managers to take decisions faster.
• Developed WKWebView hybrid IOS/Angular app with native geolocation, push,
wallet, and navigation capabilities to increase product visibility.
• Collaborated with the web designer to ensure a clear dependency chain, resulting
in a 15%-20% reduction in development time and increase in overall markup
quality.
• Participated in many meetings with stakeholders, mainly with the customer,
product owner, advertising, and promotion companies, to defend the developers’
point of view as well as to draw up technical specifications.
• Made many improvements to the team's workflow, in terms of: mentorship, code
review, sprint delivery, ticket load distribution, and work/life balance.

Технічний директор

from 11.2019 to now (6 years 3 months)
Duet shoes, Київ (IT)

Виконую обовʼязки головного тех консультанта

Senior Frontend Engineer

from 07.2019 to 03.2020 (9 months)
FLOORY.TECH, Дистанційно (IT)

An embedded vanillaJS client application has been developed from scratch to display exhibition stand plans(booths) for the world's largest exhibition centers. Highly loaded

SVGs with over 2000 stands. Participated in the development of CMS on .NET, Angular, Blazor, and MSSQL. Developed modular test cases for testing and automation. Tuned systems to improve productivity, dedicated servers Win\Linux on Hetzner\Contabo. Created dockerized microservices with the addition of Nginx, RabbitMQ, Envoy, Redis, etc. Created multi env, fully mockable collections using Postman. The company was sold as a successful startup when the COVID pandemic began

Chief Executive Officer

from 01.2017 to 07.2019 (2 years 7 months)
BrainBusters Web-Agency, Київ (IT)

Створив власну веб агенцію та надавав послуги малому та середньому бізнесу, отримав крутий досвід, працював у колаборації з розробниками із СанХосе. Підприємство було продане мною як успішний стартап.

Middle Frontend Developer

from 01.2012 to 01.2017 (5 years)
Profserviscom, Київ (IT)

Coded websites using HTML, CSS, JavaScript, and jQuery.
• Created custom website templates for Wordpress, Drupal, Duda
• Developed user-oriented visuals and features using front-end lib TweenMAX.
• Engaged with client to plan and optimize site issues and queries.
• Developed user-friendly web forms with validation and error handling.
• Made 3 apps with NodeJS for owners and personnel (DVR cloud, inventory
manager, cottage cost calculator)
• Planned and engineered RESTful web services to manipulate dynamic datasets.
• Optimized web applications for speed, scalability and security.
• Performed unit testing of web applications and troubleshot issues.
• Explained technical information in clear terms to non-technical individuals to
promote better understanding.
• Configured hardware, devices, and software to set up work stations for employees.

Junior Frontend Developer

from 04.2010 to 01.2012 (1 year 10 months)
DUET-SHOES, Kiev (IT)

• Planned, developed, tested, deployed, and maintained web applications.
• Configured several Accounting & ERP 1C Platforms(accounting program in the CIS).
• Server fine-tuning.
• Built website interfaces with HTML and CSS for PrestaShop, OpenCart
• Technical consulting, planning and assistance in developing applications for
managing business processes in the field of footwear retail.
• Building VPNs between offices in different countries.
• Developed an application for risk assessment and tracking of imported goods.
• Preparation of legal and technical documentation.
• Wrote several syncs with third-parties.

Веброзробник

from 09.2008 to 04.2010 (1 year 8 months)
Kiev Regional State Administration, Київ (IT)

Адміністрування БД
Розробка додатків
Допомога у розробці сайту
Розробка окремих модулів
Розробка звітів

Education

МАУП

Комерційне та трудове право, Київ
Higher, from 2004 to 2008 (4 years)

Дипломна робота:
Теорія держави і права

Knowledge and skills

  • CSS
  • HTML
  • JavaScript
  • PHP
  • Adobe Photoshop
  • SASS
  • Windows
  • Node.js
  • MS Excel
  • MS Word
  • MongoDB
  • Adobe Illustrator
  • Програмування
  • MS PowerPoint
  • webpack
  • TypeScript
  • Angular
  • PhpStorm
  • MacOS
  • nginx
  • VS Code
  • BASIC
  • Pug
  • WebStorm
  • IDE
  • JADE
  • Adobe Premiere Pro
  • Дизайн
  • SketchUp
  • Знання офісних програм
  • Adobe After Effects
  • Atom
  • Adobe Audition
  • Blender
  • Final Cut
  • Handlebars
  • Swift
  • OpenOffice Calc
  • Keynote
  • Objective-C
  • Pages
  • Проведення тренінгів
  • Wordpress, Opencart, Prestashop CMS

Language proficiencies

  • Ukrainian — fluent
  • English — advanced

Additional information

Грамотно поставлена мова.

Основні риси характеру:
Активність, цілеспрямованість, раціональність, твердість у прийнятті рішень, точність до деталей, пунктуальність, наполегливість, неконфліктність, комунікабельність, привітність.

Захоплення:
Компьютерне програмування, розробка сайтів, веб додатків ( 13+ років)
Велоспорт (3 роки)

Додаткова інформація
Закордонний паспорт
Водійське посвідчення кат. A,B

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