PHP/GO developer

Summary

nFactorial Incubator | Backend Mentor | Kazakhstan (May 2022 - Present)
nFactorial is a 10-week full stack Bootcamp with ~150 graduates/year from 4 countries. I joined as a backend mentor.
Conducted several lectures and web development live coding (Node.js and MongoDB) for 200 students
Designed syllabus and training materials: Node.js, MongoDB, protocols (UDP, TCP, HTTP/S), deployment (Nginx, SSH, Docker)
Stack: Node.js, MongoDB, Docker
PointPay.io | Software Engineer | Estonia, remote from Kazakhstan (Aug 2021 - Feb 2022, 6 months)
PointPay.io is a blockchain-based crypto ecosystem (banking,exchanges) w/ 200K active users/month. Worked on secure transactions
Designed and implemented from scratch, scalable architecture for secure crypto payments transactions
Led architecture design process, managing communication between 4 developers,1 business analyst and 1 project manager
Proposed and implemented testing in CI pipeline, integrated TDD concept, saving ~2h/day and reaching ~90% coverage
Stack: PHP/ Laravel, Golang, PostgreSQL, Redis, Amazon SQS
Chocofamily Holding | Software Engineer | Kazakhstan (Feb 2019 - Jun 2021, 2 years 3 months)
Chocofamily is among the top #50 largest e-commerce companies as per Forbes. I joined as SWE intern and integrated 3 teams:
Developed infrastructure and 10 projects ecosystem core services for +1M active users/month (Feb - Jun 2021, 5 months)
Optimized API by ~99% (500 to 2ms), reducing servers load/time-outs, increasing latency and software availability by ~30%
Implemented time-series database InfluxDB to monitor SMS code requests/s, preventing ~80% potential fraudulent attacks
Designed and developed ecosystems common microservices and libraries for services with 100K active users/day
Stack: PHP/Laravel/Phalcon, Golang, PostgreSQL, Redis, RabbitMQ, InfluxDB, Docker
Developed API for Choco, food pre-ordering app (w/ cashback, discounts) M+ downloads (Jul 2019 - Feb 2021, 1 year 8 months)
Designed and developed system architecture and highly available microservices (99.99%) w/~54K transactions in MVP stage
Integrated automation systems (R-Keeper, IIKO), eradicating inconsistencies between application and ticket office system
Designed and developed backend and frontend for dashboard to manage 1K+ menus data from ~500 restaurants
Conducted daily code reviews in a team of 6 engineers, refining architectural approach accordingly
Stack: PHP/Laravel, PostgreSQL, RabbitMQ, Memcached, Tarantool, Docker
Developed iDoctor.kz, call-at-home/online doctor app (4K clinics, 350K active users) as intern (Feb - Apr 2019, 3 months)
Designed and developed sales dep. dashboard, displaying doctors' demand by Kazakhstan regions (56K registered doctors)
Integrated Redis cache tier (~10ms to ~2ms average), optimizing server response and decreasing overall latency by 40%
Stack: PHP/Laravel, Node.js, PostgreSQL, Redis, Docker

Expectations

Trust for me as a specialist and reasonable amount of responsibility
Interesting tasks and modern stack
Opportunity for continuous learning
Flexible work hours

Employment Preferences
Expected Base Salary

*,*00 USD / month

Expected Hourly Rate

** USD

Academic Degree
Experience

Total Professional Experience

3 years

Startup Experience

1 year

Enterprise Experience

2 years
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