Mikhal Chyzhyk Email & Phone Number

Belarus

Минск, Республика Беларусь

• Planning and development of microservices with different communication layers: grpc, kafka
• Implemented autotranslate feature - it aided users to communicate around the world without language knowledge.
• Launching Parsing integration: a fresh air for content makers, because decrease time to spread news/content around the different blogging platforms.

Киев, Украина

• Develop and integrate platforms to communicate with various blockchains. This aided to reduce development time and improve feedback from users.
• Optimized solutions for calculating the final fee in user withdraws in multi-address environment - save money at the company.
• Made a NFT contract to trade gold, and all logic around to run world-first crypto-gold trading.

Соединенные Штаты Америки

• Unify integration with all ETH-based networks, it helped to reduce development time for enabling new networks into application.
• Developed a project for crypto-wallet and related blockchain functionality. Based on modern Gnosis Safe multi-sig for reducing cost per transaction, and users able to pay fee with any token.
• Added swap functionality to the application, that attracts new users to the app.

Minsk

• Lead a project of adopting Apache Kafka Streams in the Unit. It helped to reducethe latency in the system and improved the limits on ad campaigns for clients.The main issue was that we needed to combine several models.
• Lead a project of reworking Tag Management solution [1]. It significantly improvedperformance which was especially important for bigger clients with a lot of tags.The use of new APIs, which underneath contains Apache.
• Lead a project of improving development speed by adopting GraphQL in the Unit.Tech stack: Apache Kafka Streams, Scala, C#,.NET Core, Gatling[1].

Минск

• Lead a project of splitting a monolith into microservices inside the Unit. Step bystep reducing the coupling between the different components in the system,starting with switching to HTTP-protocol instead of.
• Lead several refactoring projects that allowed us to get rid of severaltroublesome legacy services.
• Reworked Ad setup mechanism that simplified the system and reduced the timethat clients had to spend on the setup.
• Implemented Buy Side API for Marathon ERP [1] that allowed the company to winthe deal with one of the biggest clients.
• Gave internal lectures about various topics like profiling, code style, latestchanges in Scala, etc. It helped to build a better understanding of our technicalchallenges and how we can solve them.Tech stack: Scala.

Minsk, Belarus

• Developed from scratch an Automated Guaranteed platform that gave customersa new way to connect and arrange deals in the Ad space. Among the mostprominent users were publishers like Sanoma and agencies like OMD, PHD.
• Create RuleBuilder: eBNF grammar which describes how to apply a rule to auser request, here a shapeless Coproduct was used.
• Improved the underlying protocol for Automated Guaranteed - Open Direct [1]. Ithelped the company to become the leader in this area in the EU.
• Developed integrations for Adform Marketplace that was built on top ofAutomated Guaranteed. It allowed more customers to connect to themarketplace and accelerate the expansion of new markets.
• Implemented a brand new Programmatic Print solution which allowed us to win thedeal with a conglomerate that represents all French press.
• Implemented a notification solution that allowed users to react to their client'sproposals much quicker.

- Web application development on various small projects.- The biggest achievement was a migration from Lift to Play Framework for Websudos (Outworkers), a partner of DataStax.