Alireza Zeynali

Alireza zeynali

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location of Alireza ZeynaliTehran, Tehran Province, Iran
Followers of Alireza Zeynali2000 followers
  • Timeline

  • About me

    Backend | Blockchain Engineer | Web3 | GoLang | Typescript | NodeJS

  • Education

    • Isfahan university of technology

      2018 - 2021
      Master of technology - mtech computer systems networking and telecommunications
    • University of qom

      2014 - 2018
      Bachelor of technology - btech electrical, electronics and communications engineering
  • Experience

    • University of qom

      Jan 2015 - May 2015
      Network engineer (intern)

      Site Mapping, Passive

    • Telecommunication infrastructure company(tic)

      Jun 2016 - Sept 2016
      Network engineer (intern)

      I worked on projects related to equipping home internet infrastructure with fiber optic technology

    • Aspa bim

      Jun 2018 - Sept 2018
      Back end developer
    • Bitnova

      Sept 2018 - Jan 2019
      Full stack engineer

      We were working on new software solutions. As a backend developer, I used the Laravel framework to implement these strategies. in some cases since the teams' scale was not large, I had to work as a frontend developer.

    • Sadr group company

      Sept 2019 - May 2020
      Back end developer

      I used Django and NodeJs to develop different services. I created a crawler for Twitter, Telegram, and Instagram.• Engineered an advanced Twitter crawling solution that enabled real-time collection from around 250 profiles per minute; drastically improved data availability for analysis and reporting in fast-paced environments.• Created a fully functional Instagram crawling tool that retrieved essential profile metrics at an impressive rate of nearly 75 crawled accounts per minute, contributing to enhanced market research capabilities for targeted campaigns. Show less

    • Wallex

      May 2020 - now

      I led the Blockchain, Matching Engine, and Treasury teams, dedicating 70% of my time to hands-on coding and task completion.In the Blockchain team:• Achieved a remarkable reduction in user coin withdrawal error rate on the exchange platform from 1.58% to 0.17% through integrating TrustWalletCore and the deployment of advanced error-checking algorithms• HashiCorp Vault integration, resulting in an 80% reduction in potential exploits and bolstering overall system security.• Enhanced the uptime of all services from 97% to 99.92% within this period.• Decreased the percentage of deposits taking more than 30 minutes from 1% to 0.05% during this timeframe by integrating RabbitRPC.In the Matching Engine team:• Slashed the response time of the Matching service from an average of 650 milliseconds to 20 milliseconds.• Reduced response time across all user-facing order endpoints from 860 milliseconds to 450 milliseconds.In the Treasury team:• Lessened the cost of transaction fees by using resource delegation by about 85.16%.• Amplified asset management efficiency by about 23% by implementing the Knapsack algorithm.• Minimized the rate of withdrawals taking more than 30 minutes from 1.94% to 0.26%. Show less

      • Technical Team Lead

        Mar 2022 - now
      • Senior Software Engineer (Blockchain Infrastructure)

        Jul 2021 - Mar 2022
      • Software Engineer (Blockchain Infrastructure)

        May 2020 - Jul 2021
    • Phinix

      Nov 2020 - Jun 2021
      Software engineer (blockchain infrastructure)

      • We successfully launched a cryptocurrency exchange in November 2020 during this period.• We were able to enhance the deposit system during this timeframe.• Rewrote some legacy services• Decrease the number of daily SLS tickets from 114 to 20 by redesigning crypto withdrawals' state machine

  • Licenses & Certifications

    • Microsoft certified systems administrator (mcsa)

      مجتمع فنی تهران - ict مرکز آموزش های تخصصی
      Jun 2016
    • Cisco certified network associate routing and switching (ccna)

      مجتمع فنى تهران
      Jun 2017
    • Web development

      آموزشگاه کندو
      Jun 2018
    • Comptia network+

      مجتمع فنى تهران
      Jun 2015
    • Concurrency in go

      Coursera
      Jan 2024
      View certificate certificate