Сергей

Serhii Vozniak
Engineering Manager
Wroclaw, Poland

Date of Birth: 01/01/1985
T: [відкрити контакти](див. вище в блоці «контактна інформація»). Skype: sergiy.voznyak
E: [відкрити контакти](див. вище в блоці «контактна інформація»)

Full-stack developer and engineering manager with 10+ years of production experience focused
Summary on JavaScript. I have experience with Angular and React frontend libraries and frameworks,
Node.js server platform and NestJs serverside framework. Also, I have broad experience with
MySQL, DynamoDB and ElasticSearch databases. Have experience in deploying and configuring
services on the AWS platform.

More than three years of experience working as a development team leader/engineering
manager. Successfully managed teams with local and remote developers with different maturity
levels. I've successfully executed roles of a mentor for junior and middle developers, a code
reviewer, and a technical interviewer.

Client projects include EPAM Poland (different projects for enterprise companies with different
complexity), AOG (Ukraine, freelancer marketplace), Axxos Industisystem AB (Sweden, software
enterprise solutions), Arxia (Romania, complex web-projects based on CMS TYPO3).

Team player, quick learner, communicable

Experience Engineering Manager, SmartBear
Manage a team of 10 people
Poland – June 2022 – current time

● Manage a team of 10-15 developers located in different countries and timezones, which
worked on a “greenfield” project
● Together with the product owner, plan roadmap for year, quarters and sprints. Define
milestones and release dates, and achieve them with the team with a 0-day delay.
● Define and implement metrics for evaluating team and individual performance.
● Perform yearly evaluations and conduct performance reviews with each team member.
● Help team with performing Scrum ceremonies (planning, groomings, retrospective
meetings, etc.).
● Conduct regular 1-to-1 and team meetings, collect feedback, and help team members
with motivation and goal-focusing

CTO, TalentScan / Artel Outsourcing Group
Create web application for recruiters for looking and hiring developers
Ukraine (part-time, remote) – September 2017 – present day

● Create an Angular web application to search potential candidates across internal and
public databases, including such sources as LinkedIn, GitHub, StackOverflow, etc .
● Create an Angular web application to show open positions for potential candidates and
allow them to apply with social profiles (Google or Facebook).
● Create a Node.js server application for orchestrating all requests from web applications
to different underlying systems: databases (MySQL, DynamoDb), backend server (PHP),
ElasticSearch, AWS Lambda functions, etc.
 ● Perform code review for other developers, configure tools for increasing code quality:
tslint/eslint, git hooks, sonarqube rules, increase unit-tests code coverage.
Senior Software Engineer, SmartBear
Create an authorization platform for all company products
Poland – March 2021 – May 2022

● Develop a React web application, which allows users to log in with login/password, SSO
or Github accounts.
● Develop a React web application, which allows logged users to manage their data.
● Develop a Node.js server application, which proxy all requests from front-end application
to underlying services (Java backend, AWS Cognito).

Lead front-end developer, EPAM systems
Create new web application for European financial company

Poland – August 2018 – March 2021

● Create a rich web application using Angular 6+ framework for providing new services for
customers. In the app were used following technologies:
• @ngrx for state management
• D3 and ngx-charts for data visualizations
• authorization as a service, based on OAuth 2 specification
• Docker for app containerization and deployment
• Angular libraries for implementing a micro-frontend strategy
• Jasmine and SonarQube for permanent monitoring code quality
● Plan the application architecture, level of modularity and data flow inside the scheme.
● Executing the development team leader role: estimate tasks, manage team backlog,
discuss with other FE and BE developers purposed solutions, present the team on a
demo session

Senior front-end developer, team leader, EPAM systems
Developing and supporting the main web-portal for one of the biggest European airline company
Poland – November 2016 – May 2018

● Developing new functionality for application (search offers components, promotion
activities components and services, flights info page)
● Participating in global data model refactor that touched all application components
● Refactor outdated directives, components and services to match the latest style guides
and code practices
● Working as a team leader: provide code review for other team members, participate in
global front-end meetings, present finished features on demo meetings

Senior front-end developer, EPAM systems
Create Chrome extension for capturing web pages and saving them to an external server
Poland – August 2016 – November 2016

● Refactoring existing code from ES5 to Typescript
● Creating new functionality for the project:
• capture from PDFs
• save as multiple images
• drawing rectangles and lines above captured image
● Implementing a modular system for different components
● Creating project documentation
● Integrating NPM tools (Grunt, Webpack) for project bundling and deploying
 Senior front-end developer, Direct-services, c.o.o.
Create a new portal for one of the biggest e-commerce platforms in the Czech
The Czech Republic, (part-time, remote) – January 2017 – August 2017

● Creating a core functionality for the new portal: Item Profile page, Create New Offer
page, User Activation pages.
● Develop new shared components: image/product card carousel, custom controls (radio
buttons, checkboxes, numeric inputs).
● Suggest and implement a common code review process - with pull requests, comments
and approvals in the SVN tool.
● Communicate with BE team with suggestions for API design and possible data
mismatching.

Senior front ­end developer, Artel Outsourcing Group
Create a web-based system for looking and hiring developers in Ukraine
Ukraine — August 2015 – November 2016

● creating interactive web­pages from PHP templates using JavaScript, jQuery, Bootstrap
and different jQuery libraries
● getting and set different data from PHP­server to client-side using API and jQuery Ajax
● transferring CSS­rules from single CSS files to LESS modules
● refactoring existing JS code (start using TypeScript with strict data typing)

Front­end developer, Arxia
Romania – remote — December 2014 – June 2015

● Create HTML/CSS/JS templates from PSD files with multi-browser (IE9/11, Firefox, Chrome,
Safari) and tablet/mobile support
● Upload and edit front­end part of customer websites on TYPO3 CMS

UI/UX designer, Front­end developer, Axxos AB
Sweden – remote — June 2013 – June 2016

● Create PSD­sketches and transform them to web­pages using HTML/CSS/ASP.NET for
new modules of web­based ERP system
● Update design and usability of existing modules
● Test application design and usability in different browsers (IE 8­11, Chrome, Mozilla)
● Create UI for new products: create PSD­sketches, create HTML­prototypes in Axure,
create pages using HTML/CSS/ASP.NET/JQuery
● Create graphical elements for company applications
Deputy Director, "Zahid Agrobiznes", LLC
Rivne, Ukraine — June 2012 — May 2013

Marketing manager and Project manager (from March 01, 2010),
"Renome-Smart", LLC
Rivne, Ukraine — October 2007 — February 2012
Marketing manager, "Renome­Partner", LLC
Rivne, Ukraine — March 2007 – September 2007
Marketing manager, "Hlibodar", LLC
Rivne, Ukraine — October 2004 – March 2007
Deputy administrator of computer networks, "IUEH"
Rivne, Ukraine — December 2003 – October 2004
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Education Computer Academy "Step", specialization "Computer design"
June 2012 – present time

Luxoft Training Center – Designing graphical user interfaces, usability
August 2011

International University of Economics and Humanities
Named after Academician Stepan Demyanchuk, Complete Higher Education,
Magistr in "Management Organization"
2001­2005

Languages Ukrainian ­ native

Russian – excellent

English – intermediate (B2)

Additional GitHub profile: https://github.com/SergioV85/
information
LinkedIn profile: [відкрити контакти](див. вище в блоці «контактна інформація»)