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From: Poland

Location: Kraków

On Useme since 12 August 2024

About me

I’m Szymon Iwacz, a Ruby on Rails Developer with extensive experience in eCommerce solutions and API development. I’ve led projects, managed client communications, and contributed to open-source platforms like Spree Commerce. As a Tech Lead, I’ve driven eCommerce store development, prioritized projects, and mentored junior developers. My expertise includes API development for payments and geolocation, using technologies like Ruby on Rails, React, PostgreSQL, and Docker.

I’m proficient in various languages and frameworks, including Python, JavaScript, and databases like PostgreSQL and MongoDB. I advocate for DDD, BDD, TDD, and CI/CD practices. I excel in problem-solving and collaboration, staying current with technological advancements. Beyond work, I’m passionate about AI, travel, and hiking, eager to contribute to dynamic projects and drive innovation in the industry.

CV / Résumé

Jun 2022 - Feb 2024

Tech Lead

Spark Solutions

Developing and maintaining eCommerce stores. Proposing and discussing solutions to ensure optimal outcomes. Managing client communications regarding deadlines and project priorities. Providing guidance and mentorship.

Sep 2020 - May 2022

Senior Ruby on Rails Developer

Spark Solutions

Developing and maintaining eCommerce stores. Contributing to the Spree Commerce open-source platform.

Oct 2018 - May 2020

Ruby on Rails Developer

Chargify

Developing and maintaining API for creating and handling subscriptions and payments. Integrating payments gateways.

May 2016 - Sep 2018

Ruby on Rails Developer

InPost

Developing and maintaining API for creating and handling postal shipments and API for geolocation of parcel machines.

Nov 2014 - Apr 2016

Ruby on Rails Developer

AFS Software

Portfolio

Zipper

The "Zipper" application is a Ruby on Rails project designed for user authentication, secure file upload, and encryption. Users can upload files, which are encrypted and packed into a .zip archive.

Base

Base is a web application built with Ruby on Rails and React, utilizing GraphQL for API interactions and Devise for authentication.

Highcharts Node App

This project demonstrates how to integrate Highcharts into a Node.js application to display random test data using only JavaScript.

Kubernetes Rails Example

The "Kubernetes Rails Example" shows how to deploy a Ruby on Rails app using Kubernetes and Docker, featuring Minikube setup, Dockerfile creation, and Kubernetes configs for deployments and services. Ideal for learning containerized app orchestration

Sectors

This is a full-stack application built with Ruby on Rails and React that allows users to manage their sector information.

Node Task Manager

A task management application built with Node.js, Express, MongoDB, and Socket.io. This application allows users to sign up, log in, create, update, and delete tasks. It also supports real-time updates using Socket.io.

Stimulus Sandbox

This Rails application demonstrates a simple to-do list using Rails 7, Stimulus JS, and PostgreSQL. It includes functionality to add to-do items, mark them as checked, and dynamically update their appearance using Stimulus.