Jonathan D.
Poll Explorer
Experience
Jan 2024 - Dec 2025
2 yearsPoll Explorer
American Data House
- Built complex charts to visualize poll data such as a favorability map to view geographical data
- Implemented a tiered pricing model where visitors had limited access to the site
- Set up pages and access control in the Orchard Core .NET CMS
- Assisted in building Minimal API REST endpoints that exposed the poll data to the front end
Jan 2024 - Dec 2024
1 yearFull-stack Developer
SaaS company
- Developed an application launch portal using .NET and React providing users with one-click access to applications available to their subscription
- Utilized the Duende Backend For Frontend (BFF) framework as a .NET wrapper around React
- Employed a server side OAuth2 flow and reverse proxy to allow client-side authentication without exposing credentials to the front end
- Delivered a successful proof of concept leading to initiatives to migrate existing applications to BFF
Jan 2023 - Dec 2024
2 yearsUnified Commerce roll out
Large retail company
- Integrated the React checkout flow with a new in-house Java back end to provide a more unified and seamless shopping experience
- Stabilized the React checkout flow and implemented country-specific features and legal requirements
- Built a TypeScript library to validate address fields based on a set of global validation rules, solving discrepancies in validation across applications
Jan 2022 - Dec 2023
2 yearsWeb Shop development
Large retail company
- Assisted in development and maintenance of a Drupal web shop using React SSR for the front end
- Upgraded from Drupal 8 to 10 and from PHP 7 to 8
- Moved rendering from Drupal to server side rendered React
- Redesigned the editor experience
- Built test sites using Kubernetes and Jenkins
- Imported thousands of products from XML using Drupal Migrate
- Provided on-call support of production environments, using Splunk and New Relic to solve critical production incidents
Jan 2021 - Dec 2021
1 yearJob site development
Large retail company
- Built a page to search for jobs within the user’s area using Apache Solr
- Refactored an error-prone job posting import process to ensure project success
Jan 2020 - Dec 2021
2 yearsApplication processing
American University
Refactored the core application flow to receive and process applications
Stabilized the application initially and aided in refactoring to improve data quality and staff workflows
Addressed complex business logic, legislation, and global partner requirements in the application process
Jan 2020 - Dec 2020
1 yearNew website
Investors’ Association
- Implemented a new website with a brand new design based on staff-built wireframes and user journeys
- Improved editor experience and enabled local associations to manage content independently
- Migrated the old fragmented membership system into Drupal integrated with Reepay for recurring payments
Jan 2020 - Dec 2020
1 yearNew website
Learning Management Portal
- Developed a website with integration to SCORM simulations
- Integrated log-in system with an external authentication provider
- Ensured all sensitive user data was stored outside of the database via an external API
Jan 2020 - Dec 2020
1 yearFull-stack Developer
National Library
- Improved integrations to a library system and log-in systems with OAuth2
- Created a custom search experience using Apache Solr
- Implemented front-end features and back-office customizations with improved media handling and flexible content creation using the Paragraphs module
Jan 2019 - Dec 2019
1 yearBack-end developer
Digital Print Company
- Worked on a large multi-domain portal for suppliers and customers
- Created an automatic invoicing system and integrated with Navision accounting software
- Integrated with a template system used to create brochures
Jan 2019 - Dec 2019
1 yearNew website
Health Portal
- Implemented design for a public health portal with articles reserved for medical staff
- Restricted content behind a login system
Jan 2019 - Dec 2019
1 yearNew Booking Engine
Hotel
- Built an advanced hotel booking engine from scratch in Drupal 8 as a headless back end with React front end
- Developed features on both the Drupal site and the React site
Jan 2018 - Dec 2018
1 yearBooking flow
Hotel
- Created a booking engine and online checkout flow using Drupal Commerce
- Integrated with the hotel management system and the payment provider
Jan 2018 - Dec 2018
1 yearArticle migration
National Newspaper
- Migrated half a million articles using the Drupal Migration Module Suite to restructure data dating back 20 years
- Future-proofed data and improved user experience in the rebranded design
Jan 2017 - Dec 2017
1 yearNew website
Tax Consultancy Organization
- Set up Drupal 8 and implemented designs
- Built layout and provided various support tasks
Summary
I am a very focused and self-driven developer with strong analytical skills and a get-things-done mentality.
I have a deep understanding of web development best practices, OOP principles, advanced problem solving, team cooperation and task management.
Working on large and complex projects has helped me grow immensely as a developer to the point where I feel comfortable taking on any back-end or front-end task.
I am used to working in development teams using scrum methodology.
Languages
Danish
NativeEnglish
AdvancedGerman
ElementaryEducation
General Educational Development (GED)
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