• Oct 2018 - Present (Remotely)

    Senior Go & Elixir Developer at
    iRonin (Poland)

    Working on an established transactions platform that utilizes blockchain and a distributed ledger. I’m working remotely for one of the iRonin’s clients. Rewriting core services from Go to Elixir.

    Go, Elixir, blockchain, AWS, Postgres, RabbitMQ, Redis, graphQL, Docker, Nginx, gitlab CI

  • Apr 2018 - Oct 2018 (Remotely)

    Go Developer at
    Teamwork (Ireland)

    I worked on SSO, SAML and centralising/standarising APIs used across the teams.

    Go, AWS, Redis, Kubernetes, RabbitMQ, Vue.js, Travis, MariaDB, MongoDB, HAProxy

  • Apr 2017 - Feb 2018 (Remote team)

    Go Developer | Head of Development at WATT3 (Switzerland)

    I built foundations on both architectural and management levels for a Swiss start-up (IoT) that aimed to optimize
    (read: save your money) usage of solar panels’ battery by collecting and analysing data from distributed devices connected to batteries. The business didn’t survive and the CEO decided to close it by the end of Feb/2018. I learnt a lot about start-ups here and it was a great adventure.

    Go, Kubernetes, Google Cloud Platform, Nginx, SSE, Jenkins, microservices connecting Python, R and time series databases

  • Apr 2014 - Oct 2016 (Remotely)

    Senior Web Developer | DevOps at
    PaddyPower Betfair (Ireland)

    I was in charge of all technical aspects of 3rd party components integration with the new games platform. I built a HTML5 top-bar that is included in a few hundred games of the biggest e-gaming brands in the world. Responsible for troubleshooting production issues and training of new development teams in Romania. I used Go to build scripts supporting my daily DevOps tasks.

  • Feb 2014 - Apr 2014 (Poland)

    Senior Software Engineer at
    Research & Engineering Center (Global Logic)

    Spent a little time here as I was asked by PaddyPower to come back but I met a lot of nice people I stay in touch with! I worked here mainly on responsive design POC (Bootstrap, Foundation) and improving of the development cycle by introducing Scrum and CI.

  • Aug 2011 - Feb 2014 (Ireland)

    Development Lead (Games) at PaddyPower

    I architected and developed a new games launcher (100 million game plays a month). I led the process of games integration and the team to create first Paddy Power mobile web apps for games. I was responsible for adapting Agile, DevOps, CI and recruiting (Competency Based Interview Skills Workshop by Sapient) new team members.

  • Mar 2009 - Jul 2011 (Ireland)

    Senior Web Developer at Pocket Kings Ltd (acquired by Poker Stars)

    I worked on the Web Cashier component that handled over 15k payment transactions/second. I was responsible for a prototype of the first mobile version of the Web Cashier. It was the second biggest online poker room in the world. I was on-call during many busy nights.

  • Mar 2008 - Jan 2009 (Ireland)

    Senior Software Engineer at
    Channel Advisor

    I was responsible for development of the web application for supporting retailers in selling online (eBay, Amazon) (it was the top e-commerce web application in the EU). I also got trained in Agile which I’ve been using ever since.

  • Sept 2007 - Feb 2008 (Poland)

    Development Lead at Media Ambassador

    I worked on an in-house framwork. I also led the team of 5 developers.

  • Feb 2007 - Aug 2007 (Ireland)

    Backend Developer at Version 1

    My first IT job in Ireland. Moved to Dublin after 3 months of enjoying Irish country side (Connemara). I was responsible for code fixes delivery for various customers. All P1 (priority 1 means max. 1h to fix) bugs were fixed always on time.

  • Nov 2005 - Nov 2006 (Poland)

    Backend Developer at
    KEN Technologie Informatyczne (acquired by Komputronik)

    My first full time permanent job (I still studied at the university at that time). I was responsible for the design, development and deployment of CRM and B2B applications. I also looked after configuration and maintenance of the two Linux servers that hosted my projects.

Certificates & Awards

Code examples?

Have a look at some projects I published

Go to github