Kamil Giszczak
Ruby On Rails Developer at Planet Rock
Lublin District, Leczna County, Poland
Summary
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SeniorKamil Giszczak is a seasoned Ruby on Rails developer with 15 years of professional experience building web applications and backend systems. Based in Lublin District, Poland, he has been focused on Rails development since 2008, currently at Planet Rock, after transitioning from Java backend work earlier in his career. He brings a broad polyglot background—Ruby, JavaScript, Java, C++, SQL—and deep familiarity with Rails ecosystems (Haml, Sass, Sinatra, RSpec) alongside JEE stacks, which enables pragmatic choices across projects. Comfortable with deployment and ops tooling like Capistrano, git and multiple databases (Postgres, MySQL, DB2), he pairs hands-on coding with practical operational awareness. A Master’s-trained IT engineer, he often bridges legacy Java systems and modern Rails architectures, making him effective at migrating and integrating heterogeneous codebases.
15 years of coding experience
3 years of employment as a software developer
English, Polish
Github Skills (36)
json10
parser10
serializer10
authentication10
toml10
ruby10
serialization10
toml-serializer10
xml-serializer10
parse10
yaml10
xml10
mapper10
csv10
json-serializer10
Programming languages (4)
Github contributions (5)
kgiszczak/shale
Nov 2021 - Jan 2023
Shale is a Ruby object mapper and serializer for JSON, YAML, TOML, CSV and XML. It allows you to parse JSON, YAML, TOML, CSV and XML data and convert it into Ruby data structures, as well as serialize data structures into JSON, YAML, TOML, CSV or XML.
Contributions:12 releases, 6 reviews, 142 commits in 1 year 2 months
ruby-object-mapperjson-parsetoml-serializerserializejson-mapping
kgiszczak/tomlib
Jul 2022 - Jan 2023
Tomlib is a fast and standards-compliant TOML parser and generator for Ruby.
Contributions:9 releases, 39 commits, 2 PRs in 5 months
complianttomlrubystandardstoml-parser
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