Krzysztof is available for hire

Krzysztof Skrzypski

Verified Expert in Engineering

Software Developer

Iida, Nagano, Japan

Toptal member since December 13, 2023

Expertise

SQL Golang MySQL Python Machine Learning Java MacOS Oracle Development Ubuntu Kubernetes Cloud Engineering

Bio

Krzysztof is an experienced developer with a 12-year career in diverse tech domains. He is skilled in Go, Python, SQL, and shell scripting and proficient in Kubernetes and Docker. Based in Japan, he has global experience that spans Mitsubishi Corporation (Gaussy Inc.) and SBI BITS in Japan, FTP Software in Vietnam, and LPP SA in Poland. An expert in algorithms and familiar with AI and DevOps, Krzysztof has contributed to logistics, trading systems, and blockchain projects.

Portfolio

Mitsubishi Corporation | Gaussy, Inc.

Go, MySQL

SBI BITS

Python, Go, Java, Kubernetes

Experience

SQL - 8 years
MySQL - 4 years
MacOS - 4 years
Go - 4 years
Shell Scripting - 4 years
Python - 2 years
Kubernetes - 1 year
Google Cloud Platform (GCP) - 1 year

Availability

Part-time

Preferred Environment

Ubuntu, MacOS

The most amazing...

...things I've enhanced are retail logistics, supply chain management (SCM), and accounting processes using ERP and data warehouse systems.

Work Experience

Software Developer

2020 - PRESENT

Mitsubishi Corporation | Gaussy, Inc.

Engaged in the development and launch of a warehouse sharing system.
Worked on the development of back-end systems leveraging Go and SQL.
Monitored and resolved software bugs using Jira as a reporting tool.

Technologies: Go, MySQL

Software Developer and DevOps Engineer

2017 - 2020

SBI BITS

Played a key role in the launch of the SBI VC trade project, making substantial contributions to the cryptocurrency trading platform's seamless deployment and operational stability.
Contributed to four distinct teams: the cryptocurrency-trading back end, AI, DevOps, and front-desk trading.
Participated in internal cloud platform research to achieve heightened operational efficiency and scalability.

Technologies: Python, Go, Java, Kubernetes

Experience

Oracle Retail and Logistics

Managed Oracle retail systems like the Oracle Retail Merchandising System (RMS), Oracle Retail Sales Audit (ReSA), and Oracle Retail Integrated Store Operations at a fashion company in Gdansk, Poland. I oversaw a warehouse management system (WMS) and data warehouse systems. Also, I successfully migrated data from Oracle 9i to Oracle 11g, supported Java applications in retail logistics, and handled systems integration, enhancing retail operations and data management in the fashion industry.

Education

2008 - 2012

Master's Degree in Computer Science

Gdansk University of Technology - Gdansk, Poland

Certifications

OCTOBER 2019 - PRESENT

Machine Learning

Stanford Online | via Coursera

Skills

Languages

SQL, Go, Python, Java

Storage

MySQL, Oracle 10g

Platforms

Ubuntu, Kubernetes, MacOS, Google Cloud Platform (GCP)

Other

Machine Learning, Shell Scripting, IT Project Management

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