React Native Web Development

Boris Bershadsky

Toronto, ON Github: bbershadsky Portfolio https://borisb.ca *@******.**

Skills

Web Development

React Native (Expo) • Flutter

Python + Django • HTMX • Go

tRPC•NextJS•GraphQL•REST

HTML5+CSS3 • React + Redux

PHP • Nginx • Apache • Web3.js

FastAPI • Flask • Supabase

Databases

PostgreSQL • MySQL • MS-SQL

MongoDB • SQLite • (ANSI) DB2

InfluxDB • GraphQL • Redis

Hadoop • Sequelize • Prisma

Dev Technologies

CI/CD with GitLab • Terraform

Pandas • Numpy • MLJar • NPM

JSON • Heroku • LATEX• i18n

Bash • Plotly • Chart.JS • Bokeh

D3.JS • Docker + Kubernetes

Gunicorn • HighCharts • Certbot

Jupyter • Material-UI • Radix-UI

• Bun •

APIs

AWS+S3 • ECS • ECR • RDS

IAM • Vultr • Stripe • Firebase

Sendgrid • Twitter • Instagram

Oauth 2 • Binance • Twilio

Facebook•Bit.ly•Github•GKE

Google Maps • Youtube • Imgur

Slack • CoinMarketCap • Discord

Telegram•TwelveData•Blockio

Prometheus•Skydesks•Namecheap

IP Geolocation • Mailchimp

Skyscanner • Gitlab • Spotify

Wekan • WooCommerce

doctl DigitalOcean • AppWrite

Render.com • Vercel • Replicate

A.I + Prompt Engineering

GPT3.5/4•MidJourney•LLaMA

Stable Diffusion 3 • ControlNet

Langchain • Pinecone

Languages

Professionally fluent in English

and Russian

Also learning Mandarin

Education

Seneca College

Computer Programming

Founder of Entrepreneurial

Programmers Club

2014 - May 2016 Toronto, ON

Objective

Seeking a challenging position where I can leverage my technical expertise, problem-solving abilities, and collaborativemindset.Creating inspirational projects to make a significant impact in the industry Experience

FlipGive React Native Developer July 2024 - Dec 2024

•Managed and collaborated in the entire lifecycle of Sports Connect, a whitelabel platform tailored for Stack Rewards, including its development, testing, and deployment to iOS / Android store

•Converted dozens of Typescript React Web components to React Native in Shop 2.0

•Created testing toolkit in RN Expo to aid in deployment of new features wrapping Webview Duffl.com Senior Full Stack React Native Developer Nov 2023 - Mar 2024

•Responsible for migrating ReactJS to React Native Expo SDK50 Typescript for IOS, Android, Web

•Implemented Delivery Drop off photos (AWS S3), Product/category/staff specific promo codes

•Added PostHog context events to identify and track user patterns and suggest UX improvements

•Collaborated with Lead Designer to translate new functionalities from Figma wireframes into complete features with clean and maintainable code, greatly enhancing the overall user experience

•Upgraded NodeJS 14 to 21, security patches, and conducted thorough testing with Cypress + Jest Kindred.ai Senior Software Developer Oct 2021 - Jan 2023

•Developed On-Grid Robotic Pick platform (OGRP) software features using gRPC, React, Go

•Tested + deployed Nomad/Docker camera + software control stacks on modified UR10e robot

•Provided production support for Berry + OGRP through PagerDuty and Slack in Erith and Purfleet PhoenixFX Backend Blockchain Solutions Architect Nov 2020 - July 2021

•Architected and implemented a SaaS with MT4 integration, Automatic Invoice generation, Real-time BTC payments, Risk adjustment API, Notifications (websockets), and automated Auditing

•Engineered ETL process to schedule, monitor, and perform realtime FX currency (USD/CAD BTC/ETH) conversions for account balances using TwelveData API connection stored on Redis, asynchronous tasks with Celery/Flower, Django backend and automated all backoffice operations

•Closely mentored a junior ReactJS developer with agile methodology using Kanban, Gitlab, Docker-Compose, REST API, Insomnia, PostgreSQL, Nginx, Prometheus, Grafana, Bash scripting

•Hired and trained Devops Engineer specializing in Kubernetes to create distributed HA (High Availability) cluster for PostgreSQL and Redis on MetalLB (Load Balancer) and tested fault tolerance Chainvu Senior Full Stack Embedded Developer Jan 2019 - Jan 2020

•Designed and developed embedded firmware, drivers, applications for TI CC2642 and NRF52832 Implemented OTA (Over the Air) software updates for mass distribution of sensor population

•Created end to end testing environment and implemented secure multi-user dashboard with Raspberry Pi 4 + Grafana + PostreSQL + InfluxDB to monitor dozens of sensors in real-time

•Developed internal sensor inventory tracking tool with Rails, PostreSQL, Python + Flask and integrated sensor data into development staging environment Personal Startups

Pacific.markets Full Stack Fintech Architect Mar 2025 -

•Engineered automatic BTC deposit onboarding + crediting process using ReactJS + Appwrite BaaS

•Created backend risk management dashboard leveraging Gemini 2.5 Deep research API

•Implemented virtual segregated accounts and responsive user dashboard, deployed to Vercel Abacus Coin (ABA) Full Stack Blockchain Developer Sep 2018 - Nov 2019

•Abacus is a one click solution to Masternode hosting that aims to provide security, vetting, convenience, and metrics to Masternode hosting services. Abacus is built with ReactJS on a backend RoR server. Abacus offers one click masternode hosting for only the highest quality masternode projects. The more nodes hosted on Abacus the more our cryptocurrency community fund grows.

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