Szymon Szeliga

Detail-oriented engineer with over 9 years of professional experience, that is capable of designing, implementing, and maintaining complete system solutions using the right tool for the job

Skills

Frontend Development

Intermediate
  • HTML
  • CSS
  • Javascript
  • React
  • Redux

Backend Development

Master
  • Ruby
  • Ruby on Rails
  • Redis
  • PostgreSQL
  • Kafka

DevOps

Intermediate
  • Terraform
  • Pulumi
  • Docker
  • Designing CI/CD pipelines
  • K8s

Work Experience (7)

https://tiramizoo.com/
  • Redesigning a key system component to provide better stability, performance, and continuity of operations

  • Implementing communication between the key system component and the main system in Java (Spring) and Ruby on Rails using AWS SQS

  • Working on maintenance and performance issues

https://northpass.com
  • Establishing a Platform Team that was responsible for all infrastructure-related work, like setting up a GitOps pipeline, migrating from Heroku to AWS with IasS while maintaining zero-downtime in production

  • Helping with Investment Due Diligence

  • Recruiting

  • Providing technical expertise for the whole team

  • Working with Product and Engineering teams to work out solutions for business requirements

  • Working with the Customer Success team on solving customers' issues

  • Working on introducing an event-driven architecture for the system using Kafka

  • Helping the team define and extract microservices from the main monolith

https://northpass.com
  • Working on an analytics pipeline

  • Improving the monitoring and logging of the system with Datadog and Pagerduty

  • Performing peer reviews for the team

  • Meeting with potential and existing clients

  • Improving CI/CD pipelines

  • Working with Product and Engineering to work out solutions for business requirements

  • Working with the Customer Success team on solving customers' issues

https://northpass.com
  • Implementing new features based on product requirements

  • Improving application performance to meet SLAs

  • Finding and fixing bugs

https://netguru.co
  • Developing Ruby on Rails applications

  • Designing solutions and architecture

  • Mentoring Interns and Juniors

  • Leading projects

https://netguru.co
  • Developing Ruby on Rails applications

  • Designing solutions and architecture

  • Mentoring Interns and Juniors

http://rst-it.com
  • Developing Ruby on Rails applications

  • Designing solutions and architecture

  • Mentoring Interns and Juniors

Education (2)

Bachelor of Science
Electronics and Telecommunication
Wrocław University of Technology
2007 - 2011
Master of Science
Computer Science - Internet Engineering
Wrocław University of Technology
2011 - 2012

Languages

Polish

Native speaker

English

Full professional proficiency

Interests

  • Music
  • Ray tracing
  • The art of Pizza Making