Vasilii Limanskii

Experience

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  CROC

  Aug 2019 - Jun 2021

  Java Developer

  As an outstaffed developer for one of Russia's largest banks, I built and maintained an omnichannel system to integrate various companies with the bank's systems, enhancing my skills in system integration and stakeholder collaboration.Previously, I developed both backend and frontend modules for a Moscow government system aimed at providing citizens and businesses with access to various services. These projects demonstrated my ability to handle complex requirements and deliver user-centric solutions that meet diverse needs.- Migrated microservices from hardware units to Kubernetes- Performed stress testing to detect bottlenecks and improve throughpu- Increased the load capacity for one instance from 55 rps to 130 rps by means of Project Reactor for asynchronous operations and utilizing Netty as a server- Developed a portal for the contest “The best construction project of Moscow 2020” as a sole developer- Refactored and migrate BPM-logic from self-written BPM system to Camunda BPMTech stack: Java, Spring, OpenShift, RxJava, Project Reactor, TypeScript, Angular, CamundaBPM Show less

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  Yandex

  Jun 2021 - May 2023

  Software Development Engineer

  I have been a developer at Yandex, where I created and maintained software for delivery lockers and several backend services essential for their functioning. I initiated this project from scratch and was the first member of the team, leading the development and ensuring seamless operations.- Developed 5 microservices and locker software from scratch including developing an architectural design- Mentored 11 trainees and also was an interns team leader in a bootcamp- Interviewed applicants for the company- Increased the capacity of the lockers by 35% by implementing a smart system of capacity that steadily increased the company’s income, starting with 30k$ in the first month after the improvement- Implemented a monitoring system to reduce average downtime by 80% and its appearance by more than 90%Tech stack: Java, Spring, Ansible, Yandex Cloud, Python, PostgreSql, Linux, VueJs, TypeScript, Electron Show less

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  HeadHunter Group

  Jun 2023 - now

  Java Software Developer

  I have been a senior developer working on an internal messaging platform for one of the largest recruiting platforms in Russia, Kazakhstan, and Belarus. This tool has facilitated communication between employers and job applicants, streamlining the hiring process.- Took the messenger service apart from a monolithic application that included working on strategy for breaking transactions- Increased the load capacity of the service 7 times by means of partly migration from PostgreSql to ScyllaDB- Increased average latency for delivering new messages in the messenger through WebSocket in the way of refactoring workflow with Kafka topics- Developed features that let users upload files asynchronously as well as see links preview even though there are bot defense systemsTech stack: Java, Spring, PostgreSql, Hibernate, ScyllaDB, Kubernetes, Kafka, Python, ElasticSearch Show less