Krystian Ogierman

Software Engineer

Backend engineer specializing in distributed systems and cloud infrastructure. Focused on building scalable, reliable, and efficient backend solutions that power modern applications.

Krystian Ogierman

Experience

Senior Software Engineer

Golang

ProcessOut (acquired by Checkout.com) | 06.2022 – Present

  • Developed services for card data storage and payments processing in a highly regulated environment
  • Integrated APIs of multiple payment gateways
  • Acted as technical mentor, mentoring junior members and setting technical direction
  • Member of Architecture Council, reviewing architectural decisions and designs

Senior Backend Developer

Golang

GogoApps SA | 01.2022 – 05.2022

  • Developed backend infrastructure for an investments' API platform
  • Integrated external service providers for tax calculations
  • Designed domain services

Senior Software Developer

Golang, Node.js

Text SA (fka LiveChat SA) | 10.2019 – 12.2021

  • Developed backend for LiveChat services
  • Technical leader of messaging APIs (agent and customer side)
  • Co-author and lead developer of Golang & JS SDKs for public API
  • Participated in feature design and reviews

Software Developer

C++, Node.js, Angular

Trapeze Poland | 02.2018 – 09.2019

  • Developed UI for bus driver's terminal
  • Designed and implemented in-house tools for UI configuration and testing
  • Supported Solution Architect with design of node.js based projects

Technical Specialist / Software Developer

C++, Node.js

Nokia Solutions and Networks | 10.2014 – 01.2018

  • Designed, proposed and reviewed features on project level
  • Estimated feature efforts and arbitrated architectural disputes
  • Supervised bug report analysis and corrections
  • Developed embedded software for mobile networks equipment

Skills

Backend Development

Golang REST API gRPC C++

Frontend Development

JavaScript

Infrastructure & DevOps

AWS Kubernetes Docker

Databases & Data

Redis PostgreSQL Queues

Other

Git Problem Solving Mentorship