Sergii Ivzhenko
Senior Javascript Developer at Q.xyz- Claim this Profile
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Русский -
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Bio
Dmitry Pavlenko
It was a pleasure working with Sergii throughout the last year. He is motivated, self-driven and has great communication and interpersonal skills. Always works on something new and always improves his skills. I would highly recommend Sergii to anybody who is looking for a reliable and, at the same time, flexible team player.
Vsevolod Bondar
I've worked with Sergii about 6 months on the same project. Sergii is well organized, focused on the result and quickly learn new technologies. He have an ability to analyze the client's request in a short time , identify gray areas and build a quality code that covers most cases.
Dmitry Pavlenko
It was a pleasure working with Sergii throughout the last year. He is motivated, self-driven and has great communication and interpersonal skills. Always works on something new and always improves his skills. I would highly recommend Sergii to anybody who is looking for a reliable and, at the same time, flexible team player.
Vsevolod Bondar
I've worked with Sergii about 6 months on the same project. Sergii is well organized, focused on the result and quickly learn new technologies. He have an ability to analyze the client's request in a short time , identify gray areas and build a quality code that covers most cases.
Dmitry Pavlenko
It was a pleasure working with Sergii throughout the last year. He is motivated, self-driven and has great communication and interpersonal skills. Always works on something new and always improves his skills. I would highly recommend Sergii to anybody who is looking for a reliable and, at the same time, flexible team player.
Vsevolod Bondar
I've worked with Sergii about 6 months on the same project. Sergii is well organized, focused on the result and quickly learn new technologies. He have an ability to analyze the client's request in a short time , identify gray areas and build a quality code that covers most cases.
Dmitry Pavlenko
It was a pleasure working with Sergii throughout the last year. He is motivated, self-driven and has great communication and interpersonal skills. Always works on something new and always improves his skills. I would highly recommend Sergii to anybody who is looking for a reliable and, at the same time, flexible team player.
Vsevolod Bondar
I've worked with Sergii about 6 months on the same project. Sergii is well organized, focused on the result and quickly learn new technologies. He have an ability to analyze the client's request in a short time , identify gray areas and build a quality code that covers most cases.
Credentials
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Algorithms and data structures
UdemyJan, 2021- Sep, 2024 -
Node.js NestJS framework
UdemyJan, 2021- Sep, 2024 -
Redux Saga course
UdemyJan, 2021- Sep, 2024 -
The Complete React Native + Hooks Course
UdemySep, 2020- Sep, 2024 -
Typescript: The Complete Developer's Guide
UdemyMar, 2020- Sep, 2024 -
Graphql with React and Node.js
UdemySep, 2019- Sep, 2024 -
React apps testing with Jest and Enzyme
UdemyAug, 2019- Sep, 2024 -
A course of technical English translation
Zaporizhzhya National Technical UniversityMay, 2012- Sep, 2024
Experience
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Q.xyz
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United States
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Software Development
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1 - 100 Employee
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Senior Javascript Developer
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Feb 2022 - Present
Creating a new Web3 DeFi portfolio management platformTech stack:API: GraphqlFront-end technologies: React, Recharts, Next.js, Wagme, EtherjsBack-end technologies: Apollo, Node.js, Nest.js, NxDatabases: Clickhouse, PostgreSQL, MongoDB Creating a new Web3 DeFi portfolio management platformTech stack:API: GraphqlFront-end technologies: React, Recharts, Next.js, Wagme, EtherjsBack-end technologies: Apollo, Node.js, Nest.js, NxDatabases: Clickhouse, PostgreSQL, MongoDB
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ExproSoft
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Norway
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Oil and Gas
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1 - 100 Employee
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Senior Software Engineer
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Dec 2020 - Feb 2022
Maintain and improve complex existing Wellmaster reliability management systemFinished rewriting the web application from angular.js+express.js to react.js+nest.js with typescript. Maintain and improve complex existing Wellmaster reliability management systemFinished rewriting the web application from angular.js+express.js to react.js+nest.js with typescript.
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EOS DATA ANALYTICS
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United States
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Software Development
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100 - 200 Employee
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Senior React Native Developer
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Jan 2020 - Dec 2020
- Maintaining existing mobile apps that could work both online and offline- Creating new features(unit system switcher, weather forecast, vegetation pictures on the map, group accounts)- Performance optimization- Code reviewTechnology stack: Typescript, React Native, Redux, Redux thunk, TypeORM, SQLite, Firebase - Maintaining existing mobile apps that could work both online and offline- Creating new features(unit system switcher, weather forecast, vegetation pictures on the map, group accounts)- Performance optimization- Code reviewTechnology stack: Typescript, React Native, Redux, Redux thunk, TypeORM, SQLite, Firebase
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Together Networks Limited
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United Kingdom
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Religious Institutions
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Front End Developer
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Feb 2019 - Jan 2020
- New features development and maintenance of existing products- Rewriting complex web application from Backbone.js to React.js with Graphql- Performance optimisation- Writing unit and integration tests using Jest and Puppeteer- Planning and estimating tasks- Code reviewCompleted functionality: - popup system- notification system - messenger- gallery - New features development and maintenance of existing products- Rewriting complex web application from Backbone.js to React.js with Graphql- Performance optimisation- Writing unit and integration tests using Jest and Puppeteer- Planning and estimating tasks- Code reviewCompleted functionality: - popup system- notification system - messenger- gallery
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SysGears
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Ukraine
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Software Development
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1 - 100 Employee
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Full-stack Developer
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Apr 2018 - Feb 2019
• Developing web applications using React and Express• Designing and developing mobile apps with React Native and Expo• Maintaining the commercial projects based on Apollo Universal Starter Kit• Implementing server-side APIs using Express, Node.js with GraphQL or REST • Developing web applications using React and Express• Designing and developing mobile apps with React Native and Expo• Maintaining the commercial projects based on Apollo Universal Starter Kit• Implementing server-side APIs using Express, Node.js with GraphQL or REST
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Availery
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Australia
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Software Development
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Project Manager(remote)
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Oct 2016 - Feb 2019
Managing the development process for Availery’s platform, which helps directly connect SAP people and projects. Managing the development process for Availery’s platform, which helps directly connect SAP people and projects.
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GMP Satellite
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Ukraine
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Information Technology & Services
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Full-stack Developer
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Sep 2017 - Apr 2018
Maintanance of existing ERP systems, and creating new modules. Maintanance of existing ERP systems, and creating new modules.
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ProfIT Company
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Information Technology & Services
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1 - 100 Employee
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Project manager
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Jul 2016 - Aug 2017
- managing up to 4 projects- negotiating with customers- analyzing requirements- testing and delivering the end result to our clients - managing up to 4 projects- negotiating with customers- analyzing requirements- testing and delivering the end result to our clients
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Education
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2008 - 2013
Zaporizhzhya National Technical University
Master's degree, Engineering Technology -
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PHP academy(Full-stack development)
Full-stack development
Community
