Jesper Josefsson
Senior Software Designer at Solita
Mariehamn sub-region, Åland Islands
Summary
👤
Senior🎓
Top SchoolJesper Josefsson is a senior software designer with 14 years of experience building resilient, polyglot systems using Java, Rust, Ruby and JavaScript, currently shaping solutions at Solita from Åland. He has deep expertise in developer productivity, automation and delivery pipelines—having led migrations to git, reworked CI into Jenkins Pipelines, and shortened build feedback with Gradle Enterprise. At Paf he balanced embedded-device constraints, compliance-driven architectures and event-driven microservices on AWS, while contributing to company-wide Spring Boot starters and developer tooling. An active contributor to the Ruby ecosystem, he improved error handling and Rails compatibility in the popular chewy Elasticsearch framework. Jesper combines careful object-oriented design and pragmatic DevOps skills with a penchant for sustainable workplaces and cross-team coaching.
14 years of coding experience
15 years of employment as a software developer
Högskoleexamen, Ljudteknik, Högskoleexamen, Ljudteknik at Luleå tekniska universitet / Luleå University of TechnologyPolitical Sciences, Political Sciences at Åbo AkademiCivilingenjör, Datateknik, Civilingenjör, Datateknik at Chalmers tekniska högskola / Chalmers University of Technology
Finnish, English, French, Swedish
Stackoverflow
4,545reputation
238kreached
124answers
10questions
ruby
top-5%
ruby-on-rails
top-5%
Github Skills (17)
amazon-elasticsearch10
ruby10
elasticsearchquery10
aws-elasticsearch10
activerecord10
elasticsearch10
elasticsearch-api10
ruby-rails9
rails9
ruby-on-rails9
elasticsearch-client8
minitest6
rspec6
haml6
rspec-rails6
Programming languages (9)
Github contributions (5)
toptal/chewy
Feb 2016 - May 2016
High-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 3 PRs, 2 comments in 3 months
Contributions summary:Jesper contributed to the `chewy` repository, a Ruby framework for Elasticsearch. Their work included improvements to error handling within the framework, ensuring methods called on types raise exceptions as expected. They also implemented a compatibility layer for Rails 5 and made adjustments for ActiveRecord version checks, demonstrating knowledge of integrating the framework with Rails and handling version-specific behavior. These changes focused on enhancing framework stability and adapting it to newer Rails versions.
elasticsearchrubyruby-clientelasticsearch-client
jesjos/stringjs-rails
Apr 2013 - Oct 2015
Contributions:33 commits, 1 push, 1 tag in 2 years 6 months
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