Senior web developer

Abduhafiz Kayumov

**********@*****.*** LinkedIn Telegram Khujand, Tajikistan

SUMMARY

Over 11 years of experience in building massively scalable systems both from scratch and diving into an existing codebase and supporting legacy code. Proven success in international projects across USA, Germany, Hungary and Tajikistan.

MAIN TECHNICAL SKILLS

Programming: PHP, JavaScript, Python, SQL

Technologies: Laravel, Vue.js, Django REST Framework, Django, Web Services, Docker, REST APIs, Web Design, Memcached, Queues, Git, Nginx, Apache Databases: MySQL, MS SQL Server, SQLite, PostgreSQL EXPERIENCE

VRG SYS, Böblingen, Germany (remote), www.vrg-sys.vrg.de Full-stack web developer, January 2023 – February 2024

● Contributed to the development process by adding new features and fixing bugs

● Maintained legacy code for smooth operation of the project

● Integrated third party APIs

Tech Stack: PHP, Laravel, Python, JS, Vue.js, MS SQL Server, Third-party Integrations, REST APIs, Git

Giftsenda SaaS gifting platform, Massachusetts, USA (remote), www.giftsenda.com Tech Lead, July 2020 – January 2023

● Planned and developed project structure, architecture, and database

● Speeded up the slowest request by 4 times

● Speeded up UI loading by 2.5 times

● Implemented caching using Memcached

● Developed Giftsenda Gmail Add-on and Giftsenda HubSpot app Tech Stack: PHP, Laravel, JS, Vue.js, MySQL, Memcached, Third-party Integrations, Queues, Jobs, REST APIs, Git, Bulma, Docker, Google Apps Script, Gmail Add-on Dev, SCSS, SaaS Neksigol Group, Khujand, Tajikistan, www.agroinform.tj Senior Web Developer, June 2015 – July 2020

● Designed and implemented web apps (both front and backend from scratch) supported by USAID, United Nations Development Program, World Bank, Helvetas (Switzerland) and GIZ

(Germany)

● Developed more than 10 android mobile apps (hybrid and native) and backend for them for agriculture sector (more than 200.000 downloads totally) Tech Stack: PHP, JS, Laravel, MySQL, SQLite, REST APIs, Bootstrap, Java, Kotlin, Framework7, Third-party Integrations, Nginx, Git, HTML/CSS

National Bank of Tajikistan, Khujand, Tajikistan www.nbt.tj Senior Software Engineer, May 2013 – June 2015

● Automated the generation of currency transactions reports and accelerated report generation to 2 hours

● Developed tool for automation of warehouse accounting with ability to read data from barcodes Tech Stack: PHP, MySQL, JS, C#, MS SQL Server, Apache, HTML/CSS, jQuery Nokia Networks, Budapest, Hungary www.nokia.com/networks Co-operative Student, July 2014 – October 2014

● Implemented tool that reduced report generation time by 3 hours, replacing manual processes

● Involved in the developing database updater tool and resource allocation tool projects Tech Stack: PHP, JS, C#, MySQL, HTML/CSS, jQuery, SVN Tcell, Subsidary of TeliaSonera AB, Khujand, Tajikistan www.tcell.tj Software Engineer Intern, January 2012 – April 2012

● Developed tool that parses base station logs and generates reports using VBA and MS SQL Server

Tech Stack: Visual Basic for Applications, MS SQL Server, Macros VOLUNTEERING

IT coordinator of IAESTE Khujand September 2010 – March 2016 www.iaeste.tj

● Developed and maintained the IAESTE Khujand local committee website

● Secured internships for international students through agreements with companies EDUCATION

Khujand Polytechnic Institute of Tajik Technical University, Tajikistan, polytech.tj

● BS in Computer Science – September 2009 to June 2013

● MSc in Computer Science – September 2015 to June 2018

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