Work Experience

Techmates International s.r.o (Sept 2023 - ongoing)

Full-stack development using TypeScript, Node.js, NestJS, Meteor.js, React and MongoDB
Refactored the internal finances to allow for multiple wallets per users
Proposed and implemented the integration of MangoPay - the first external payment provider in our system
Implemented the backend aspects of the web redesign, supporting the company's rebranding initiative.

Vacuumlabs s.r.o. (Oct 2021 - Mar 2023)

Worked on microservices responsible for generating bank statements using Kotlin, Kafka, PostgreSQL
Implemented paginated PDF generation using aggregated data from other microservices

Developed backend services using Python, Django, PostgreSQL
Worked on the integration of 3rd party eshops and merchants
Worked on the definition and implementation of the GraphQL schema used for onboarding customers
Worked on PDF generation for customer contracts with templating

Worked on an internal application for aggregating billing, staff, worklog, and vacation data from multiple sources using TypeScript, Node.js, PostgreSQL
Worked on a greenfield bank backend using ThoughtMachine, Kotlin, Kafka, PostgreSQL

NIKÉ, spol. s r.o. (Feb 2015 - Sept 2021)

Senior Perl developer, architect, and team leader
Led the unification of sport betting data flow across the organization, collaborating with development teams to define technologies, data schema, and deployment strategies

Successfully orchestrated the incremental deployment of changes, ensuring seamless integration without disruptions or data transformation issues

Led the refactoring and integration of the 3rd party "Unified Odds Feed", which allowed the unification of prematch and live bets
Implemented the integration of the 3rd party "Lifecycle of odds" feed to automate the trading of bets
Implemented critical parts of our system and enhanced our team's workflow. I've:

Introduced unit testing, Docker containerization, automated GitLab CI tests/builds
Proposed and implemented a solution for automatic bet offering generation for the test environments
Proposed and implemented a presentation web interface to streamline interdepartmental communication
Unified application deployment using Salt Stack and Pillar
Developed backend services using Perl, MySQL, RabbitMQ, Kafka, Nginx, Docker
Implemented Apache Avro binary encoding in C (Perl::XS)
Implemented RabbitMQ to Kafka messaging shovel in Golang
Implemented and managed monitoring, alerting, logging (DevOps)

ISPER s.r.o. (2013 - 2014)

Education

Slovak University of Technology in Bratislava (2010 - 2015)

Secondary school of Electrical Engineering in Bratislava (2006 - 2010)

AVR keyboard firmware written in (C++)
- https://github.com/kovdavid/dalsik
i3wm workspace renamer written in (Rust)
- https://github.com/kovdavid/i3daemon
Android app for learning Spanish (Java)
- https://github.com/kovdavid/daspalen
Video screencast downloader (Elixir)
- https://github.com/kovdavid/SipsDownloader
Utility for easy directory navigation (Bash)
- https://github.com/kovdavid/jump