Tech skillset
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| Competence | Experience | Since | ||
|---|---|---|---|---|
| QA | ||||
| Performance optimizations | ||||
| Webhint.io | 100% | over 6 years | (since 2019) | Used in production |
| LightHouse | 80% | over 7 years | (since 2018) | Used in production |
| Test utilities | ||||
| RSpec | 90% | over 10 years | (since 2016) | Used in production |
| Capybara | 70% | over 9 years | (since 2017) | Used in production |
| Travic CI | 50% | about 1 year | (January 2017 to January 2018) | Not used in production |
| Circle CI | 50% | over 8 years | (since 2018) | Used in production |
| 3d party service APIs | ||||
| Rollbar | 80% | over 7 years | (since 2018) | Used in production |
| AirBrake | 80% | over 5 years | (since 2020) | Used in production |
| Sentry | 10% | over 4 years | (since 2021) | Used in production |
| Markup languages | ||||
| YARD | 80% | almost 5 years | (since 2021) | Used in production |
| VCs | ||||
| Git | 80% | about 10 years | (since 2016) | Used in production |
| GitHub | 80% | over 10 years | (since 2016) | Used in production |
| BitBucket | 70% | over 8 years | (since 2018) | Used in production |
| GitLab | 60% | over 9 years | (since 2017) | Used in production |
| Server automation tool (DevOps)s | ||||
| Heroku review apps | 70% | over 4 years | (since 2021) | Used in production |
| GitHub Actions | 30% | over 4 years | (since 2021) | Used in production |
| Code linters | ||||
| RuboCop | 70% | 4 months | (January 2017 to May 2017) | Used in production |
| ESlint | 10% | about 1 month | (November 2019 to December 2019) | Not used in production |
| SEO tools | ||||
| Google Webmasters | 50% | over 10 years | (since 2015) | Used in production |
| Yandex.Webmaster | 50% | over 10 years | (since 2015) | Used in production |
| Back end | ||||
| Markup languages | ||||
| MarkDown | 100% | about 10 years | (since 2016) | Used in production |
| Slim | 90% | over 9 years | (since 2017) | Used in production |
| ERB | 90% | about 11 years | (since 2015) | Used in production |
| Textile | 70% | about 1 month | (January 2022 to February 2022) | Used in production |
| Haml | 50% | about 1 year | (January 2018 to January 2019) | Used in production |
| OpenAPI | 40% | over 3 years | (since 2022) | Used in production |
| Full-stack frameworks | ||||
| Ruby on Rails | 90% | about 11 years | (since 2015) | Used in production |
| Sinatra | 40% | about 2 months | (January 2018 to March 2018) | Used in production |
| Grape | 30% | over 2 years | (since 2023) | Used in production |
| Axum | 10% | almost 3 years | (since 2023) | Not used in production |
| Rocket | 10% | almost 3 years | (since 2023) | Not used in production |
| Email processors | ||||
| MailGun | 80% | over 9 years | (since 2017) | Used in production |
| SendGrid | 60% | over 6 years | (since 2019) | Used in production |
| Mandrill | 50% | over 7 years | (since 2018) | Used in production |
| Programming languages | ||||
| Ruby | 80% | about 10 years | (since 2016) | Used in production |
| HTTP | 60% | almost 5 years | (since 2021) | Used in production |
| Bash | 40% | over 9 years | (since 2017) | Used in production |
| Rust | 20% | over 7 years | (since 2019) | Not used in production |
| Solidity | 10% | about 1 month | (August 2021 to September 2021) | Not used in production |
| Swift | 10% | 2 months | (October 2016 to December 2016) | Not used in production |
| Python | 10% | over 3 years | (since 2022) | Used in production |
| PHP | 10% | over 3 years | (since 2023) | Used in production |
| CMS’s | ||||
| ActiveAdmin | 80% | over 8 years | (since 2018) | Used in production |
| Administrate | 50% | over 4 years | (since 2021) | Used in production |
| WordPress | 30% | about 3 years | (since 2023) | Used in production |
| Utility packages | ||||
| Devise | 80% | over 9 years | (since 2017) | Used in production |
| Sidekiq | 50% | over 9 years | (since 2017) | Used in production |
| dry-validation | 50% | over 6 years | (since 2019) | Used in production |
| GoodJob | 20% | almost 3 years | (since 2023) | Used in production |
| ActionPolicy | 20% | 6 months | (since 2025) | Used in production |
| ActiveResource | 10% | almost 3 years | (since 2023) | Used in production |
| Operating systems | ||||
| Windows | 80% | almost 11 years | (January 2001 to January 2012) | Used in production |
| Software architectures | ||||
| ViewComponent | 70% | almost 5 years | (since 2021) | Used in production |
| GraphQL / Ruby | 60% | over 4 years | (since 2021) | Used in production |
| 3d party service APIs | ||||
| Telegram Bot API | 70% | 6 months | (December 2020 to June 2021) | Used in production |
| Twilio MessagingX | 30% | over 2 years | (since 2023) | Used in production |
| Twilio Verify | 30% | over 2 years | (since 2023) | Used in production |
| RabbitMQ | 20% | about 1 year | (since 2025) | Not used in production |
| DevOps | ||||
| Server automation tool (DevOps)s | ||||
| Heroku pipeline | 90% | over 4 years | (since 2021) | Used in production |
| Heroku plugins | 80% | over 10 years | (since 2016) | Used in production |
| Capistrano | 70% | over 8 years | (since 2018) | Used in production |
| Docker | 70% | over 5 years | (since 2020) | Used in production |
| Chef | 40% | about 1 year | (January 2017 to January 2018) | Used in production |
| Kamal | 30% | 12 months | (since 2025) | Used in production |
| Kubernetes | 10% | over 5 years | (since 2020) | Not used in production |
| Braintree Runbook | 10% | about 1 month | (March 2020 to April 2020) | Not used in production |
| Hostings | ||||
| AWS S3 | 80% | over 9 years | (since 2017) | Used in production |
| DigitalOcean Spaces | 80% | over 7 years | (since 2018) | Used in production |
| Heroku dynos | 80% | over 10 years | (since 2016) | Used in production |
| DigitalOcean droplets | 80% | over 10 years | (since 2016) | Used in production |
| Fly.io | 60% | about 3 years | (since 2023) | Used in production |
| Nic.ru | 50% | over 12 years | (since 2013) | Used in production |
| Shuttle | 30% | almost 3 years | (since 2023) | Not used in production |
| MasterHost | 20% | about 2 years | (October 2010 to October 2012) | Used in production |
| Pantheon | 10% | about 3 years | (since 2023) | Used in production |
| Domain name registrars | ||||
| DigitalOcean NS | 80% | over 7 years | (since 2018) | Used in production |
| Name.com | 40% | over 10 years | (since 2015) | Used in production |
| AWS Route53 | 30% | over 7 years | (since 2019) | Used in production |
| GoDaddy | 10% | 2 months | (May 2015 to July 2015) | Not used in production |
| Email processors | ||||
| AWS Simple Email Service | 30% | over 6 years | (since 2019) | Used in production |
| Front end | ||||
| CSS frameworks | ||||
| Bootstrap 3+ | 90% | over 12 years | (since 2014) | Used in production |
| Tailwind CSS | 40% | about 3 years | (since 2023) | Used in production |
| Materialize | 30% | about 1 year | (October 2017 to October 2018) | Used in production |
| Bulma | 20% | over 5 years | (since 2020) | Not used in production |
| Abstract skills | ||||
| Flexbox | 90% | almost 8 years | (since 2018) | Used in production |
| JS preprocessor, asset builders | ||||
| Sprockets | 80% | about 11 years | (since 2015) | Used in production |
| CodeKit | 80% | about 1 year | (January 2015 to January 2016) | Used in production |
| WebPack | 60% | over 8 years | (since 2018) | Used in production |
| Parcel | 60% | about 2 months | (January 2018 to March 2018) | Used in production |
| Webpacker | 40% | about 7 years | (since 2019) | Used in production |
| ESbuild | 30% | over 3 years | (since 2022) | Used in production |
| Vite | 20% | about 1 year | (since 2025) | Not used in production |
| PostCSS | 10% | about 3 years | (since 2023) | Used in production |
| Laravel Mix | 10% | about 3 years | (since 2023) | Used in production |
| JS front-end frameworks | ||||
| jQuery | 80% | over 13 years | (since 2013) | Used in production |
| Vue | 70% | about 2 years | (January 2018 to March 2020) | Used in production |
| React | 60% | over 4 years | (since 2021) | Used in production |
| Data Tables | 60% | almost 5 years | (since 2021) | Used in production |
| Stimulus | 50% | over 6 years | (since 2019) | Not used in production |
| HotWire | 50% | about 4 years | (since 2022) | Used in production |
| Svelte | 20% | 7 months | (December 2019 to July 2020) | Not used in production |
| Salesforce Lightning Web Components | 10% | about 1 month | (June 2022 to July 2022) | Not used in production |
| Front-end utilities | ||||
| Fotorama.js | 80% | about 1 year | (October 2017 to October 2018) | Used in production |
| Yandex.Maps JS API | 70% | 2 months | (October 2018 to December 2018) | Used in production |
| Google Maps | 70% | over 7 years | (since 2018) | Used in production |
| HighCharts | 20% | almost 2 years | (since 2024) | Used in production |
| Markup languages | ||||
| HTML | 80% | about 22 years | (since 2004) | Used in production |
| Microdata | 60% | over 8 years | (since 2018) | Used in production |
| Programming languages | ||||
| Sass | 80% | over 10 years | (since 2016) | Used in production |
| CSS | 80% | about 18 years | (since 2008) | Used in production |
| JavaScript | 60% | almost 11 years | (since 2015) | Used in production |
| CoffeeScript | 60% | about 2 years | (January 2017 to January 2019) | Used in production |
| TypeScript | 20% | 5 months | (January 2019 to June 2019) | Used in production |
| ActionScript | 20% | about 1 year | (January 2006 to January 2007) | Used in production |
| Target platforms | ||||
| Chrome extensions | 60% | over 7 years | (since 2019) | Used in production |
| Utility packages | ||||
| d3 | 50% | almost 3 years | (since 2023) | Used in production |
| UI / UX | ||||
| Graphics editors | ||||
| Affinity Designer | 90% | over 8 years | (since 2018) | Used in production |
| InDesign | 90% | about 9 years | (January 2005 to January 2014) | Used in production |
| Balsamiq | 80% | over 10 years | (since 2016) | Used in production |
| Illustrator | 80% | almost 15 years | (April 2002 to January 2017) | Used in production |
| Photoshop | 80% | about 13 years | (January 2002 to January 2015) | Used in production |
| Figma | 60% | over 1 year | (since 2024) | Used in production |
| Flash | 50% | about 2 years | (January 2006 to January 2008) | Used in production |
| Sketch | 30% | over 9 years | (since 2017) | Used in production |
| SVGator | 20% | almost 3 years | (since 2023) | Not used in production |
| Collaboration services | ||||
| Zeplin | 80% | over 9 years | (since 2017) | Used in production |
| Invision | 70% | about 2 years | (January 2017 to January 2019) | Used in production |
| Management | ||||
| Task managers | ||||
| Basecamp | 90% | over 13 years | (since 2012) | Used in production |
| Trello | 90% | over 8 years | (since 2017) | Used in production |
| Asana | 90% | over 9 years | (since 2016) | Used in production |
| Redmine | 70% | about 5 years | (since 2021) | Used in production |
| GoodDay | 40% | 8 months | (May 2024 to December 2024) | Used in production |
| ClubHouse / ShortCut | 20% | almost 5 years | (since 2021) | Used in production |
| Jira | 10% | over 2 years | (since 2023) | Used in production |
| Collaboration services | ||||
| Slack | 90% | over 7 years | (since 2018) | Used in production |
| Database-related | ||||
| Database GUIs | ||||
| PgAdmin4 | 70% | about 8 years | (since 2018) | Used in production |
| Sequel Pro | 50% | over 3 years | (June 2017 to January 2021) | Used in production |
| DBeaver | 40% | almost 3 years | (since 2023) | Used in production |
| Programming languages | ||||
| SQL | 60% | almost 9 years | (since 2017) | Used in production |
| Databases | ||||
| SQLite | 50% | over 7 years | (since 2019) | Used in production |
| Postgres | 50% | almost 9 years | (since 2017) | Used in production |
| MySQL | 40% | about 9 years | (since 2017) | Used in production |
| Redis | 40% | over 7 years | (since 2018) | Used in production |
| ElasticSearch | 30% | over 7 years | (since 2018) | Not used in production |
| Supabase | 10% | almost 3 years | (since 2023) | Used in production |
| Utility packages | ||||
| sqlx | 10% | almost 3 years | (since 2023) | Not used in production |
| Graphic design | ||||
| Graphics editors | ||||
| Affinity Publisher | 70% | 4 months | (January 2018 to May 2018) | Used in production |
| Blender | 40% | 7 months | (January 2013 to August 2013) | Not used in production |
| Premiere | 40% | almost 7 years | (since 2019) | Used in production |
| Macromedia Fireworks | 30% | 5 months | (March 2007 to August 2007) | Not used in production |
| Front-end utilities | ||||
| Graphviz | 30% | over 2 years | (since 2023) | Used in production |
| Architecture & tech leadership | ||||
| Markup languages | ||||
| Mermaid | 70% | over 2 years | (since 2023) | Used in production |
| Utility packages | ||||
| Caracal | 70% | over 2 years | (since 2023) | Used in production |
| 3d party service APIs | ||||
| BrainTree API (Ruby SDK) | 30% | over 3 years | (since 2022) | Used in production |
| No-code & low-code | ||||
| Front-end builders | ||||
| JotForm | 30% | over 1 year | (since 2025) | Used in production |
| WebFlow | 20% | almost 4 years | (since 2022) | Used in production |
| CMS’s | ||||
| OntraPort | 20% | 3 months | (October 2022 to January 2023) | Used in production |
| Commerce7 | 10% | 10 months | (since 2025) | Not used in production |
| bubble | 10% | almost 3 years | (since 2023) | Not used in production |
| Back-end integration services | ||||
| n8n | 20% | over 3 years | (since 2022) | Not used in production |
| Make | 10% | 12 months | (since 2025) | Not used in production |
| Marketing | ||||
| SEO tools | ||||
| Google Analytics | 30% | over 8 years | (since 2017) | Used in production |
| Yandex.Metrika | 30% | over 7 years | (since 2018) | Used in production |
| Abstract skills | ||||
| Direct sales | 30% | over 1 year | (May 2000 to January 2002) | Used in production |
I might have forgotten something ¯\_(ツ)_/¯