Senior Full-stack Developer
2017 - 2018EveryonePrint A/S- Implemented a streaming data transfer pipeline for arbitrary streams between servers and clients on a master-slave topology with strong protections against hanging streams and minimal resource usage (avoiding buffering in case of large files).
- Created a service for monitoring and managing a POP3, IMAP, or Exchange email server inbox, monitoring for incoming mail, downloading, and parsing it.
- Implemented pages for all features requiring front-end changes in Wicket, including several custom widgets.
- Created services for log file transfer, event logging, document conversion, and a templating engine.
Technologies: Test-driven Development (TDD), JavaMail, Apache Wicket, Java, ScalaSenior Full-stack Developer
2016 - 2017Kamino- Designed and implemented the relational database model in PostgreSQL along with an Akka HTTP CRUD/REST service.
- Helped with an implementation of the data-series database in Cassandra.
- Worked on UI using TypeScript with Vue.js, including implementing a variety of chart components using D3.js.
- Optimized chart rendering and display performance.
- Created an alerting service integrated with several distribution channels, including Slack, Skype, and email.
Technologies: Cassandra, D3.js, Vue, TypeScript, PostgreSQL, Akka, ScalaLead Developer
2015 - 2016Mentat Labs d.o.o.- Co-created and served as technical lead and full-stack developer for a Sweden-based startup in the financial sector with a responsive single-page web application for a flagship product.
- Using Java, Akka, and Selenate, built a high-throughput concurrent and distributed system for automating placing orders and other common actions on a major online retailer.
Technologies: Selenium, Lift, Akka, PostgreSQL, Java, ScalaLead Developer
2011 - 2015Element d.o.o.- Created Selenate, a mini framework built on top of Selenium, to facilitate the process of gathering data from public websites.
- Worked as project lead on a team of three programmers creating a large multi-national financial and credit analysis service.
- Managed the production environment for several mission-critical products.
- Wrote a S/MIME connectivity module in Scala using BouncyCastle (encryption/decryption and signing/verification).
- Created a full implementation of RNIF messaging protocol in Scala.
Technologies: Selenium, Lift, Akka, PostgreSQL, Java, ScalaDeveloper
2009 - 2011Element d.o.o.- Designed and wrote the database for the new website of a medium-sized publishing company.
- Created a system for extracting problems from a math textbook and cataloguing, rendering, and displaying them on the publisher's web page.
- Wrote an automated identity verification service using SSN numbers.
- Worked as part of a small team in the development of a number of websites.
- Started working with Scala and functional programming.
- Worked with a small team on all aspects of the development process of a large multi-national financial and credit analysis service.
- Worked extensively with Selenium in a non-testing environment, including automated information gathering from public websites.
Technologies: Selenium, PostgreSQL, Scala, PHP