Abduqahhor Muhamadjonov
Building scalable systems, microservices, and integrations with clean code, TDD, and automation.
About Me
Senior Software Engineer with 7+ years of hands-on experience in backend and full‑stack development, specializing in scalable system architecture, microservices, and high‑performance applications. Proven track record of leading cross‑functional teams, mentoring developers, and delivering end‑to‑end product solutions in fast‑paced environments. Expertise spans e‑commerce, healthcare, and marketplace platforms with a strong focus on clean code, test‑driven development, and automation of complex business workflows. Adept at integrating third‑party services, optimizing infrastructure costs, and collaborating closely with stakeholders to align engineering outcomes with business goals. Currently, I am Senior Full Stack Software Engineer at Uravo FE LLC.
Skills & Expertise
Programming Languages
- Ruby
- Python
- JavaScript
- TypeScript
Frameworks & Libraries
- Ruby on Rails
- Node.js
- Express.js
- Fastify
- FastAPI
- React.js
- Next.js
- Redux
- Tailwind CSS
- Bootstrap
- HubL
API Design & Integration
- GraphQL
- REST APIs
- Apollo Client
- WebSockets
- ActionCable
- Webhooks
- HubSpot CRM
- HubSpot CMS
Databases & Caching & ORMs
- PostgreSQL
- MySQL
- MongoDB
- Redis
- Elasticsearch
- ActiveRecord
- Mongoose
- Prisma
Architecture & Patterns
- Microservices
- TDD
- DDD
- Design Patterns
DevOps & Deployment
- Docker
- Cloud66
- DigitalOcean
- AWS (S3, EC2)
- AWS EC2
- Vercel
- CI/CD
- GitHub Actions
- CodeShip
- Apache
- systemd
Authentication & Security
- Devise
- Doorkeeper
- JWT
- OAuth2
- Session-based Auth
Analytics & Marketing
- Google Analytics 4
- Google Tag Manager
- Yandex Metrica
- Appsflyer
- X-Partner
Testing & Tooling
- RSpec
- Rubocop
- Jest
- React Testing Library
- Git
- Poetry
- GitHub
Soft Skills
- Team Leadership
- Mentorship
- Problem-solving
- Product Thinking
- Cross-team Communication
- Agile / Scrum
Career
Senior Full Stack Software Engineer @ Uravo FE LLC
October 2025 – PresentSupporting a Japanese corporate client (H&K) with full‑stack development, HubSpot CRM engineering, and cross‑platform system integrations.
- Built custom HubSpot modules using HTML, CSS, JavaScript, and HubL under strict branding and layout guidelines.
- Developed backend microservices bridging HubSpot CRM and client systems using Python, FastAPI, and clean API design patterns.
- Deployed and operated internal integrations on AWS EC2 with environment configuration, systemd services, security rules, and Apache reverse proxy.
- Implemented data synchronization flows (HubSpot → Client Apps) handling auth tokens, webhooks, logging, validation, and error‑tolerant pipelines.
- Collaborated closely with Japanese managers and engineers ensuring precise communication, documentation, and timely delivery.
Tech Stack:
- Python
- FastAPI
- Poetry
- AWS
- EC2
- HubSpot CRM
- HubSpot CMS
- HTML
- CSS
- JavaScript
- HubL
- Apache
- GitHub
- REST APIs
Lead Software Engineer @ U-WIN Platform
May 2024 – October 2025Projects: tut.uz, gobozor.uz
Leading engineering for the U-WIN platform, focused on marketplace infrastructure, service integrations, and team enablement.
- Led technical improvements for Cody.mn’s legacy system — adapted core backend for operating in Uzbekistan
- Integrated 10+ services including Click, Payme, Uzum Nasiya, Fargo, Meest, Soliq API, GA4, Meta API
- Reduced server infrastructure costs 16x via Vercel optimization, job worker refactors, and cloud resource audits
- Built and mentored a high-performing engineering team across backend, frontend, and mobile
- Designed microservices using Node.js, Fastify, and Prisma with monorepo + Docker architecture
- Implemented GA4, Meta CAPI, and custom instrumentation for marketing and event tracking
- Improved observability via Logtail, structured error logging, retry logic, and webhook validation
- Strengthened security with firewall rules, encrypted secrets tooling, and IP-based controls
- Maintained 100% test coverage and CI/CD using RSpec, RuboCop, GitHub Actions
- Integrated Alibaba 1688 APIs to automate dropshipping logistics and sync workflows
- Promoted to Lead Engineer and granted full infra/partner access; invited on international business trip within 3 months
Tech Stack:
- Ruby
- Rails
- Node.js
- Fastify
- TypeScript
- React
- Next.js
- React Native
- PostgreSQL
- Redis
- Elasticsearch
- Sidekiq
- Docker
- GitHub Actions
- Vercel
- AWS
- DigitalOcean
- GA4
- Meta CAPI
- Click
- Payme
- Uzum Nasiya
- Meest
- Fargo
- 1688 API
- RSpec
- Rubocop
- WebMock
- VCR
- FactoryBot
- Monorepo
- Microservices
- DDD
- TDD
Full Stack Software Engineer @ Genex Laboratories
Jul 2024 – Nov 2024Contributed to development of a medical SaaS platform for managing lab workflows and patient data.
- Developed GraphQL APIs using Ruby on Rails and Doorkeeper JWT
- Built frontend interfaces with Next.js, Tailwind, and TypeScript
- Wrote backend and frontend tests with RSpec and React Testing Library
- Integrated Strapi CMS and deployed via Cloud66 and Vercel
Tech Stack:
- Ruby
- Rails
- GraphQL
- TypeScript
- Next.js
- Tailwind CSS
- PostgreSQL
- Doorkeeper
- Strapi
- Cloud66
- Vercel
- RSpec
- React Testing Library
Ruby on Rails Developer / Software Engineer @ Gap Intelligence Inc (OpenBrand)
Mar 2019 – Nov 2023Maintained backend systems and internal tooling for product analytics and pricing intelligence.
- Built and maintained 200+ data parsers using Mechanize and Watir
- Contributed to internal platforms: eCOM, gAPI, and sales dashboards
- Created React-based visual analytics tools and QA screenshot tooling
- Implemented CI/CD with GitHub Actions, CodeShip, and RSpec
Tech Stack:
- Ruby
- Rails
- Mechanize
- Watir
- React
- Redux
- RSpec
- PostgreSQL
- MySQL
- Redis
- Elasticsearch
- Sidekiq
- Docker
- CodeShip
- GitHub Actions
- AWS
- DigitalOcean
- GA4
Head of Tashkent Representative Office @ Gap Intelligence Inc (OpenBrand)
Nov 2022 – Dec 2023Managed local operations and served as the primary liaison with HQ in the US.
- Reported office performance and handled financial/accounting updates
- Maintained team morale and internal culture initiatives
- Led talent acquisition and team growth in Tashkent
- Handled conflict resolution and ensured cross-team alignment
Tech Stack:
- Team Management
- Hiring
- Cross-team Leadership
- Remote Collaboration
- Operations Reporting
Course Author @ DasturLab
Mar 2024 – PresentCreating Ruby programming content with a strong focus on real-world application and OOP principles.
- Published beginner-friendly Ruby course for DasturLab
- Currently authoring intermediate/advanced Ruby course with architecture and patterns
Tech Stack:
- Ruby
- OOP
- TDD
- Course Writing
- Curriculum Design
Web Developer Intern @ Education Standard Consulting Group
Jan 2018 – May 2018Joined as an intern to support website maintenance and backend development.
- Worked with Ruby, JavaScript, and Node.js on internal tools
- Fixed bugs and contributed to feature rollouts under mentorship
- Gained full-stack experience in a production environment
Tech Stack:
- Ruby
- Node.js
- JavaScript
- HTML
- CSS
Let’s Connect
I’m always open to new opportunities, collaborations, or just a good conversation about building great products.