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Sergii Stotskyi
Open Source Developer at Self Employed
Kyiv, Ukraine
I'm a software engineer with over 12 years of experience in web technologies. During this time I'd an ability to managed teams of 3-7 people. I like OpenSource (My Github [1], contributed to Ionic, Cordova, Protractor and others), write blog posts (Medium [2], Habrahabr [3], Own Blog [4]), reading books and skating. I hate laziness and uncontrolled chaos :) [1]: https://github.com/stalniy [2]: https://medium.com/@sergiy.stotskiy [3]: https://habr.com/users/serjoga/ [4]: http://freaksidea.com/
CodersRank Score
What is this?
This represents your current experience. It calculates by analyzing your connected repositories. By measuring your skills by your code, we are creating the ranking, so you can know how good are you comparing to another developers and what you have to improve to be better
Information on how to increase score and ranking details you can find in this blog post.
1,280.4
CodersRank Rank
Top 1%
Based on:
121 eventsTop 50
JavaScript
Developer
Ukraine
Top 50
TypeScript
Developer
Ukraine
Top 100
Vue
Developer
Ukraine
Highest experience points: 0 points,
0 activities in the last year
JavaScript
505.8
exp.
TypeScript
195.4
exp.
HTML
25.6
exp.
Vue
22.7
exp.
Java
19
exp.
CSS
15.6
exp.
PHP
32.1
exp.
JSON
265.7
exp.
SCSS
17.5
exp.
List your work history, including any contracts or internships
Self Employed
Feb 2020 - Present (4 years 2 months)
Open Source Developer
All work and activities can be found on my https://github.com/stalniy/casl
Achievements:
- implemented fail-safe fully typed database access layer for PostgreSQL that can analyze and report partially invalid/dangerous queries to remote logging services like Sentry
- organized custom distributed cache cleanup logic between multiple app instances
- rewrote 5 @casl/* packages to TypeScript
- created 4 npm packages for @ucast/*, a universal way to represent and interpret conditional logic
- optimized @casl/ability (creation time in 16 times! checking logic in 1.5-5 times depending on the conditions complexity)
- created @casl/sql package that allows to translate casl conditions into SQL queries and integrates easily with the most popular ORMs (sequelize.js, objection.js, TypeORM, mikro-orm)
Achievements:
- implemented fail-safe fully typed database access layer for PostgreSQL that can analyze and report partially invalid/dangerous queries to remote logging services like Sentry
- organized custom distributed cache cleanup logic between multiple app instances
- rewrote 5 @casl/* packages to TypeScript
- created 4 npm packages for @ucast/*, a universal way to represent and interpret conditional logic
- optimized @casl/ability (creation time in 16 times! checking logic in 1.5-5 times depending on the conditions complexity)
- created @casl/sql package that allows to translate casl conditions into SQL queries and integrates easily with the most popular ORMs (sequelize.js, objection.js, TypeORM, mikro-orm)
INFOZAHYST
Sep 2018 - Jan 2020 (1 year 4 months)
Software Development Team Lead
Achievements:
- architected data driven graph based system, both backend and frontend
- participated in JSFest as a speaker
- together with devops configured CI/CD based on Gitlab CI and ansible
- defined formal team workflow (starting from daily meetings, JIRA workflows to code review practices)
- learned .Net Core on the level to fix bugs and implement features
- contributed to several open source libraries to fulfill project requirements (e.g., cytoscape.js, nexus.js, element-ui)
Responsibilities:
- software system design (analyze and document different ways to accomplish the goal)
- code reviews
- writing code
- manage technical debt
- hiring and mentoring team members (development plans)
- 1x1 meetings
Technologies: ES6/7, Vue.js, webpack, jest, testcafe, GraphQL, Nodejs, .NET Core 2.2, PostgreSQL, RabbitMQ, ElasticSearch, Gitlab CI, ansible
- architected data driven graph based system, both backend and frontend
- participated in JSFest as a speaker
- together with devops configured CI/CD based on Gitlab CI and ansible
- defined formal team workflow (starting from daily meetings, JIRA workflows to code review practices)
- learned .Net Core on the level to fix bugs and implement features
- contributed to several open source libraries to fulfill project requirements (e.g., cytoscape.js, nexus.js, element-ui)
Responsibilities:
- software system design (analyze and document different ways to accomplish the goal)
- code reviews
- writing code
- manage technical debt
- hiring and mentoring team members (development plans)
- 1x1 meetings
Technologies: ES6/7, Vue.js, webpack, jest, testcafe, GraphQL, Nodejs, .NET Core 2.2, PostgreSQL, RabbitMQ, ElasticSearch, Gitlab CI, ansible
Namecheap, Inc
Aug 2017 - Apr 2018 (8 months)
Technical Team Lead
Achievements:
- sped up e2e tests on Nodejs (from few minutes to few seconds)
- designed and built Serverless CMS based on Contentful and AWS infrastructure (Kinesis, API, Lambda, S3, CloudFront, Route 53)
Responsibilities:
- hiring team members
- people management
- software system design
- help other teams to solve technical debt and deliver features
Technologies: Nodejs, AWS Cloud, Contentful, Docker, Vue, webpack, REST, terraform, microservices
- sped up e2e tests on Nodejs (from few minutes to few seconds)
- designed and built Serverless CMS based on Contentful and AWS infrastructure (Kinesis, API, Lambda, S3, CloudFront, Route 53)
Responsibilities:
- hiring team members
- people management
- software system design
- help other teams to solve technical debt and deliver features
Technologies: Nodejs, AWS Cloud, Contentful, Docker, Vue, webpack, REST, terraform, microservices
This section lets you add any degrees or diplomas you have earned.
National University of Ukraine "Kyiv National University"
Bachelor, Electronic systems
Sep 2006 - Jul 2012