Ivan Demchenko
Senior Software Engineer | Technical Lead
Erfahrungen
Technical Lead - IDE Platform
Postman
Postman provides an API lifecycle management and collaboration product.
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Led an initiative to develop an IDE extension (VSCode). Created a vision and strategy, gathered and clarified requirements, coded a PoC and performed internal testing.
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Responsible for the architectural decisions and tradeoffs.
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Coached and organised knowledge sharing sessions with other engineers.
The tech stack: ReactJS, NodeJS, AWS, Docker, TypeScript, NodeJS, Jest, Vitest, VSCode API, git.
Senior Software Engineer - Frontend Platform
Personio
Personio is Europe's leading HR Software for SMEs.
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Initiated, planned and led the re-architecture of the UI library, resulting in a 30-40% reduction in consumer bundle size and a 60% improvement in developer experience.
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Supported multiple teams with front-end architecture decisions.
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Facilitated the alignment between different functions (product, design, engineering) in the organisation.
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Led, mentored and coached a SCRUM team of 4 engineers.
The tech stack: ReactJS, TypeScript, Storybook, AWS, Jest, git.
Lead Software Engineer
InstaMotion Retail GmbH
InstaMotion Retail's goal is to lift the car buying process online.
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Supported business needs with architectural decisions that enabled verticals based on NextJS, NodeJS, GraphQL and AWS, helping to gradually phase out the monolithic application.
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Led a team of 3-5 engineers, facilitating team bonding and a culture of ownership.
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Introduced best practices (code reviews, pair programming, mentoring, knowledge sharing, RFCs).
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Initiated, planned, and built a UI library (mono-repository, ReactJS, Styled Components).
The tech stack: ReactJS, TypeScript, NodeJS, Express, RAML, GraphQL, AWS, git.
Software Engineer
Atlassian
Atlassian's mission is to unleash the power of every team.
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Built an MVP version of a developer console for extending Atlassian products.
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Worked on a solution (architecture and full stack) that bring user content into Atlassian products and handle user authentication.
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Performed knowledge sharing sessions (gave talks on RamdaJS, Elm, ReasonML, Lambda calculus and category theory) and pair programming.
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Helped the team formation processes and facilitated team bonding.
The tech stack: ReactJS, TypeScript, NodeJS, Express, RAML, AWS, git.
Software Engineer
AutoScout24
With 10+ million monthly users, AutoScout24 is one of the largest car marketplaces in Europe. As part of the core front-end team,
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I implemented some of the most complicated UI components.
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Helped building the distribution system for the UI library to address the high-load of micro-frontends architecture, availability and consistency problems.
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Helped other teams to become better at front-end by mentoring and doing pair-programming with them.
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On top of that, I dove deeper into functional programming and category theory.
The tech stack: JavaScript, AWS, Scala, git.
Software Engineer
ysura GmbH
ysura's main product is a mobile-/offline-first, in-browser CRM for the pharmaceutical industry.
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I was constantly involved in optimising the performance to meet tight performance budgets.
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I built a CSS-framework for a very specific use-case in close collaboration with designers.
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Mentored junior engineers and helped more senior engineers to acquire new skills through coaching and knowledge sharing.
The tech stack: JavaScript/TypeScript (AngularJS), git.
Software Engineer
Ciklum
Ciklum is one of the largest outsourcing/consulting companies in Europe.
The tech stack: PHP, JavaScript (KnockoutJS, AngularJS), git.
Co-founder/Software Engineer
SpektrInterGroup
Co-founded a rapid website development studio
The tech stack: PHP, JavaScript.