My name is Kamil Lelonek,
and I'm a full-stack developer,
a polyglot programmer.

My services

Backend

For me, working on the backend is the most exciting thing. I like to play with different languages and frameworks. At the moment, I’m focusing mainly on Elixir language and Phoenix framework.

Databases

In my opinion, working with (relational) databases is one of the most interesting things in software development. I use mostly PostgreSQL on a daily basis and Redis when it comes to key-value store and caching.

Infrastructure

I’m familiar with configuring custom infrastructure using Terraform and Kubernetes. I always automate deployment and set up continuous integration. I follow infrastructure as code approach in my projects.

Blockchain

Currently, I’m exploring Blockchain-based technologies. I’m building my own Blockchain implementation for educational purposes to teach others the entire concept.

The most important thing for me is to continuously improve.

Let me show you what I do.

Projects I’ve worked on

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Companies I cooperated with

ARKENCY

RUBY & RUBYMOTION

TOOPLOOX

ELIXIR & JAVASCRIPT

VOLVO

SCALA & ANDROID

IBM

SCALA & ANDROID

CAPGEMINI

SCALA

INTIVE

ANDROID & iOS

PILOT

RUBY ON RAILS

TELENOR

ANDROID

DANSKE BANK

JAVASCRIPT

SITEPOINT

RUBY

WOUMEDIA

ELIXIR & JAVASCRIPT

CROWDMOBILE

ELIXIR

DEMOGRAPHICS PRO

ELIXIR

DEEP SOCIAL

ELIXIR

VARNER

JAVASCRIPT

NCC USA

ELIXIR
See more

My competencies

My talks & presentations

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My performances & speeches

Wrocław Ruby User Group

(WROCŁAW)

MeetJS Wrocław

(WROCŁAW)

MeetJS Warsaw

(WARSAW)

wroc_love.rbp

(WROCŁAW)

Programistok

(BIAŁYSTOK)

PolyConf

(POZNAŃ)

Ruby on Lakes

(MRĄGOWO)

Warsaw Elixir Group

(WARSAW)

Skill Matters London

(LONDON)

London Ruby User Group

(LONDON)

Sound Cloud Berlin

(BERLIN)

Erlang & Elixir SF

(SAN FRANCISCO)

Hackathons I participated in

Are you interested
in a collaboration?

Let’s go on
an adventure
together!