Valijon Sobirov

Valijon sobirov

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location of Valijon SobirovTashkent Region, Uzbekistan
Phone number of Valijon Sobirov+91 xxxx xxxxx
Followers of Valijon Sobirov3000 followers
  • Timeline

    Feb 2016 - Feb 2017

    IT operator

    Hyundai Engineering Co. Ltd.
    Mar 2017 - Apr 2019

    Java Developer

    Positive Pro System Technologies
    Nov 2017 - Jul 2018

    Back-end Developer

    Intelligent Solutions LLC
    May 2019 - Dec 2019

    Java Developer

    SBS-Infosoft
    Jan 2020 - Feb 2022

    Senior Software Engineer

    Exadel
    Current Company
    Jan 2022 - now

    Technical Lead

    Caterpillar Inc.
  • About me

    Technical Lead @ Caterpillar Inc. | Oracle Certified Professional Java Developer | AWS Certified Developer

  • Education

    • The university of world economy and diplomacy

      2010 - 2015
      Bachelor's degree international economic relations
  • Experience

    • Hyundai engineering co. ltd.

      Feb 2016 - Feb 2017
      It operator

      ● Implemented a Telegram Bot to see employees’ pay slips, and salary history developing a JavaFX desktop application for the accounting department to maintain the bot;● I was an admin for the company’s main documentation software programs such asSiteSpace, WorkSpace, and WorkShare providing technical support to over 400employees in the office;● Maintained access control for the shared resources and Kandym project’s server;● Managed radio channel frequencies for all departments ensuring that devices complywith safety requirements and local regulations; Show less

    • Positive pro system technologies

      Mar 2017 - Apr 2019
      Java developer

      ● Developed an online store of intellectual products as a telegram bot which is integrated with local payment systems (Click and Payme);● Implemented virtual receptions for the National Bank of Uzbekistan and JSC "Toshshahar transxizmat" using Spring MVC, MySQL and Thymleaf;● Designed and implemented RESTful web services for mobile clients at B2B distribution control project;● Maintained Elastic search server (setup, indexing, fuzzy search, custom solutions) which significantly increased positive user experience in our Business automation software;● Developed a planning functionality for dispatching goods in Tashkent which is integratedto Google Maps API and GPS tracking services;● Conducted technical interviews helping to hire new team members; Show less

    • Intelligent solutions llc

      Nov 2017 - Jul 2018
      Back-end developer

      ● Implemented a RESTful web service for generating different reports on Visa transactions at JSCB KAPITALBANK;● Fixed a severe security issues of a Servlet application for Mobile Bank at JSCB Ipak Yuli Bank;● Implemented SSO solutions with Keycloak for the Open Digital Platform Ismet (beta.ismet.kz);● Conducted working sessions to teach my team members several newly acquired libraries/frameworks so that they became more productive in the project;

    • Sbs-infosoft

      May 2019 - Dec 2019
      Java developer

      ● Led a small development team while implementing new features in the back-end of a high load project that controls all import and export operations of Uzbekistan and is integrated with 30+ banks, The Central bank, State Tax Committee, State Customs Committee, and Republican Commodity Exchange;● Optimized reporting functionality in a legacy system boosting its performance 2000x;● Developed new modules at sw.customs.uz (Interdepartmental system which provides a portal between foreign trade participants and government regulatory authorities) usingSpring MVC, IBM DB2 and MyBatis;● Collected valuable feedbacks communicating with a lot of customers for on-callproduction support which helped us to reduce bug reports in the project; Show less

    • Exadel

      Jan 2020 - Feb 2022

      ● Contributed to the ongoing development of a high-performance e-commerce application with 100K+ daily active users using Java, Spring Boot, Oracle, MS SQL Server, Apache Solr, Jenkins, and AWS. I was responsible for topics including preventing security vulnerabilities, HTTP Cache-control, DevOps migrations, implementing feature requests, and delivering demos to business executives.● Wrote infrastructure for ML (creating models, training, prediction) in a highly scalable face recognition service that allows developers with no experience in machine learning to use face recognition functionality as a part of their software products;● Created Jmeter-based load tests from scratch to be used by the business to form its promises to the customers;● Developed multi-threaded CDN client with bandwidth control for a movie content distribution platform using Java, Spring Boot, AWS, Nginx, ReactJS, Redis, and Docker. Key highlights include implementing a Redis cache, garbage collector, network bandwidth control, content sharding and AES encryption on Nginx using Lua. Show less

      • Senior Software Engineer

        Jun 2021 - Feb 2022
      • Java Software Engineer

        Jan 2020 - Jun 2021
    • Caterpillar inc.

      Jan 2022 - now
      • Technical Lead

        Mar 2024 - now
      • Senior Software Engineer

        Jan 2022 - Mar 2024
  • Licenses & Certifications