Wojciech Z.

Backend Developer with a focus on Golang

Talented Golang, Ruby on Rails, Ruby, AWS developer with 4+ years of commercial experience.

An experienced and versatile software developer with seven years of commercial experience, mainly focusing on backend development. He is adept in bringing forth expertise in architecture, design, implementation, and maintenance of software systems.

Wojciech has experience working on both engagements from scratch and on existing products. His code is beautiful, clean, tested, more TDD, easily understandable, and follows high-quality coding principles.

Areas of software development experience are aviation, music, travel, and banking industries. He understands business needs, translates these into logic, and implements solutions elegantly.

Main expertise

  • Golang Golang 3 years

Other skills

  • Ruby on Rails Ruby on Rails 6 years
  • Ruby Ruby 6 years
  • Docker Docker 5 years
Wojciech

Wojciech Z.

40.90 € hourly

Poland

Book Wojciech Z.

Selected experience

Employment

  • Senior Software Engineer

    Digital Colliers / Processout / Checkout - 6 months

    • Implementation of payment integrations in Golang.
    • Implementation of 3DS payment security layer.
    • Review and improvement of a software go-live process.
    • Design and implementation of unified templates and code generators for common workflows.
    • Team collaboration in the process of Code Review and CI/CD pipeline improvements.

    Technologies:

    • Technologies:
    • Golang Golang
    • PostgreSQL PostgreSQL
    • AWS S3 AWS S3
    • DataDog DataDog
    • DynamoDB DynamoDB
    • gRPC gRPC
    • REST API REST API
  • Senior Software Engineer

    Global Logic / Ecs - 10 months

    • Design and development of AWS Connect instances.
    • Design and development of voice and text bots with the use of AWS Lex and AWS Polly.
    • Data management with the use of AWS DynamoDB.
    • Infrastructure as Code management with the use of Terraform and CloudFormation.
    • Design and implementation of a new Terraform provider for one of AWS services.

    Technologies:

    • Technologies:
    • Golang Golang
    • AWS AWS
    • AWS S3 AWS S3
    • Docker Docker
    • AWS Lambda AWS Lambda
    • Terraform Terraform
    • DynamoDB DynamoDB
    • AWS VPC AWS VPC
  • Senior Software Engineer

    Distribusion Technologies - 1 year 1 month

    • Backend development of distributed API in AWS and GCP.
    • Design and implementation of a custom end-to-end test engine based on Postman pre-request and post-request scripts.
    • Design and implementation of a custom log parser integrated with Datadog.
    • Technical training and knowledge sharing.

    Technologies:

    • Technologies:
    • Ruby Ruby
    • JavaScript JavaScript
    • PostgreSQL PostgreSQL
    • AWS S3 AWS S3
    • Redis Redis
    • Docker Docker
    • DataDog DataDog
    • Terraform Terraform
    • Kubernetes Kubernetes
  • Senior Software Engineer

    Espeo Software - 6 months

    • Full-Stack Ruby on Rails development of an application for the education sector.
    • AWS infrastructure management for the application and its resources.
    • AWS infrastructure security review.
    • Cross-project code review in Golang.

    Technologies:

    • Technologies:
    • Ruby on Rails Ruby on Rails
    • Golang Golang
    • PostgreSQL PostgreSQL
    • AWS AWS
    • AWS S3 AWS S3
    • React.js React.js
    • Docker Docker
    • REST API REST API
  • R&D Developer

    Nordcloud - 1 year 10 months

    • Full-Stack development of a platform for processing, filtering, and aggregating terabytes of financial data to provide customers with spending visibility.
    • Rewrite an extensive monolithic Ruby application to microservices in the AWS cloud.
    • Creation of conceptual solutions for alternative data processing in the cloud using serverless functions.
    • Design of distributed report processing for Microsoft Azure.
    • Big data processing using AWS Glue, PySpark, and AWS Redshift.

    Technologies:

    • Technologies:
    • Ruby Ruby
    • Ruby on Rails Ruby on Rails
    • JavaScript JavaScript
    • AWS AWS
    • Redis Redis
    • React.js React.js
    • Docker Docker
    • Azure Azure
    • AWS SQS AWS SQS
    • AWS Lambda AWS Lambda
    • Python Python
    • DynamoDB DynamoDB
  • Developer

    NETGURU - 1 year 9 months

    • Design and development of various products in Ruby on Rails, React.js, and Ember.js.

    Technologies:

    • Technologies:
    • Ruby Ruby
    • Ruby on Rails Ruby on Rails
    • JavaScript JavaScript
    • Golang Golang
    • PostgreSQL PostgreSQL
    • Ember.js Ember.js
    • AWS AWS
    • AWS S3 AWS S3
    • Redis Redis
    • React.js React.js

Education

  • MSc.Information Engineering (Security ofI TSystems)

    Poznan University of Technology · 2010 - 2015

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