Oleksandr Kryvosheiev

Software Engineer

Berlin, Berlin, Germany7 yrs 6 mos experience

Key Highlights

  • Designed and led development of innovative fintech projects.
  • Improved application performance and code quality significantly.
  • Mentored junior developers and introduced best practices.
Stackforce AI infers this person is a Fintech-focused Full Stack Developer with strong expertise in React and AWS.

Contact

Skills

Core Skills

ReactJavascriptReact NativeAwsNode.js

Other Skills

AWS LambdaETL processesGitHub ActionsGoogle Cloud Platform (GCP)GraphQLMongoDBNext.jsPHPPostgreSQLTypeScriptVue.jsWeb DevelopmentjQuery

Experience

Grammarly

Software Engineer

Mar 2024Present · 2 yrs

Sesame

Senior Frontend Software Engineer

Sep 2021Feb 2024 · 2 yrs 5 mos · Berlin, Germany

  • Increased company revenue by 2% by fixing behavior of app redirects.
  • Improved "Time To First Byte" metric of the app by 0.3s by removing requests waterfall.
  • Improved code quality in repositories by adding eslint, typescript, pull request checks (github actions).
  • Participated in various product features by developing UI, writing unit, e2e and smoke tests.
  • Participated in on-call rotations.
ReactJavaScriptTypeScriptGitHub Actions

Nuri

Senior Software Engineer

Mar 2019Aug 2021 · 2 yrs 5 mos · Berlin, Germany

  • Designed and led development of:
  • "Bitcoin Interest Account". Project was done by integration of third-party provider and development of UI with ReactNative. Project let user to accumulate interest on Bitcoin. Used by 8000 users. Generating more than half a million Euro of income yearly.
  • "Trading Reporting". Project was done by creating ETL processes with AWS lambda and PostgreSQL. It included generation of 3 daily reports (10000 rows each) and export to csv.
  • Introduced and developed "Code Style Guide", that was officially accepted by company developers.
  • Mentored junior developers.
React NativeAWS LambdaPostgreSQLETL processesAWS

Intecracy group

Full Stack Web Developer

Jul 2018Feb 2019 · 7 mos · Kiev, Ukraine

  • Developed UI with React/Redux and backend API with Node.js and PostgreSQL for a military document management system (1000 users per system instance).
  • Introduced security improvement by removing "SQL Injection" vulnerability.
ReactNode.jsPostgreSQL

Swcarft

Web Developer

Nov 2016Jan 2018 · 1 yr 2 mos · Kyiv, Ukraine

  • Web applications development with jQuery and PHP.
jQueryPHP

Education

National Aviation University

Bachelor's degree — Computer Engineering

Jan 2014Jan 2018

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